{"id":1464,"date":"2024-12-06T14:23:17","date_gmt":"2024-12-06T05:23:17","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1464"},"modified":"2025-03-24T08:50:36","modified_gmt":"2025-03-23T23:50:36","slug":"c-abstract%e3%81%ae%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%a8%e5%ae%9f%e8%b7%b5%e3%83%91%e3%82%bf%e3%83%bc%e3%83%b37%e9%81%b8","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1464","title":{"rendered":"C# abstract\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u4f7f\u3044\u65b9\u3068\u5b9f\u8df5\u30d1\u30bf\u30fc\u30f37\u9078"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">\u306f\u3058\u3081\u306b<\/a>  <\/li>  <li>    <a href=\"#i-1\">C#\u306e\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u306f\uff1a\u57fa\u790e\u304b\u3089\u7406\u89e3\u3059\u308b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-2\">\u62bd\u8c61\u30af\u30e9\u30b9\u304c\u89e3\u6c7a\u3059\u308b3\u3064\u306e\u8a2d\u8a08\u4e0a\u306e\u8ab2\u984c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">abstract\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9055\u3044\u3092\u5fb9\u5e95\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u4f7f\u3044\u5206\u3051\u306e3\u3064\u306e\u9ec4\u91d1\u30eb\u30fc\u30eb<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-17\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u89b3\u70b9\u304b\u3089\u898b\u305f\u7279\u5fb4<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-20\">\u5b9f\u8df5\u7684\u306a\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f37\u9078<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-21\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u51e6\u7406\u306e\u5171\u901a\u5316<\/a>      <\/li>      <li>        <a href=\"#i-22\">\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u6d3b\u7528\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-23\">\u30b9\u30c8\u30e9\u30c6\u30b8\u30fc\u30d1\u30bf\u30fc\u30f3\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/a>      <\/li>      <li>        <a href=\"#i-24\">\u30c7\u30b3\u30ec\u30fc\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-25\">\u30b3\u30f3\u30dd\u30b8\u30c3\u30c8\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u5fdc\u7528<\/a>      <\/li>      <li>        <a href=\"#i-26\">\u30d6\u30ea\u30c3\u30b8\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-27\">\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u6d3b\u7528\u8853<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-28\">C# abstract\u30af\u30e9\u30b9\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-29\">\u547d\u540d\u898f\u5247\u3068\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04<\/a>      <\/li>      <li>        <a href=\"#i-32\">\u30c6\u30b9\u30c8\u3057\u3084\u3059\u3044\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-33\">\u4f9d\u5b58\u6027\u6ce8\u5165\u3092\u8003\u616e\u3057\u305f\u5b9f\u88c5\u306e\u30b3\u30c4<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-37\">\u3088\u304f\u3042\u308b\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3068\u89e3\u6c7a\u7b56<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-38\">\u904e\u5ea6\u306a\u62bd\u8c61\u5316\u3092\u907f\u3051\u308b\u305f\u3081\u306e3\u3064\u306e\u6307\u91dd<\/a>      <\/li>      <li>        <a href=\"#i-42\">\u7d99\u627f\u306e\u6df1\u3055\u306b\u95a2\u3059\u308b\u8a2d\u8a08\u5224\u65ad<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-44\">\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u9632\u3050\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-47\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6d3b\u7528\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-48\">Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u30b5\u30fc\u30d3\u30b9\u5c64\u306e\u5b9f\u88c5<\/a>      <\/li>      <li>        <a href=\"#i-50\">\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u3067\u306e\u62bd\u8c61\u5316\u30d1\u30bf\u30fc\u30f3<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-52\">\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u5c64\u3067\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-54\">\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u3068\u5b9f\u8df5\u30d1\u30bf\u30fc\u30f3\u306e\u307e\u3068\u3081<\/a>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>C#\u306b\u304a\u3051\u308b\u62bd\u8c61\u30af\u30e9\u30b9\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u8981\u3068\u306a\u308b\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3059\u3002\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3092\u9ad8\u3081\u3001\u4fdd\u5b88\u6027\u306e\u512a\u308c\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u57fa\u672c\u304b\u3089\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3\u307e\u3067\u3092\u3001\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u4ea4\u3048\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u672c\u8a18\u4e8b\u3067\u5b66\u3079\u308b\u3053\u3068<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p class=\"is-style-sango-paragraph-idea-alt\">\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3068\u4f7f\u7528\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u306e\u9055\u3044\u3068\u9069\u5207\u306a\u4f7f\u3044\u5206\u3051<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">7\u3064\u306e\u5b9f\u8df5\u7684\u306a\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30c6\u30b9\u30c8\u3057\u3084\u3059\u304f\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u624b\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u3088\u304f\u3042\u308b\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3068\u305d\u306e\u6539\u5584\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3051\u308b\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">C#\u306e\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u306f\uff1a\u57fa\u790e\u304b\u3089\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u62bd\u8c61\u30af\u30e9\u30b9\u304c\u89e3\u6c7a\u3059\u308b3\u3064\u306e\u8a2d\u8a08\u4e0a\u306e\u8ab2\u984c<\/h3>\n\n\n\n<p>\u62bd\u8c61\u30af\u30e9\u30b9\uff08Abstract Class\uff09\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8a2d\u8a08\u8981\u7d20\u3067\u3059\u3002\u4ee5\u4e0b\u306e3\u3064\u306e\u4e3b\u8981\u306a\u8a2d\u8a08\u4e0a\u306e\u8ab2\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-3\">1. \u30b3\u30fc\u30c9\u306e\u91cd\u8907\u9632\u6b62<\/h4>\n\n\n\n<p>\u7d99\u627f\u3092\u901a\u3058\u3066\u5171\u901a\u306e\u5b9f\u88c5\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u9593\u3067\u306e\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-4\">2. \u8a2d\u8a08\u306e\u4e00\u8cab\u6027\u78ba\u4fdd<\/h4>\n\n\n\n<p>\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u306b\u7279\u5b9a\u306e\u6a5f\u80fd\u306e\u5b9f\u88c5\u3092\u5f37\u5236\u3057\u3001\u8a2d\u8a08\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-5\">3. \u5b9f\u88c5\u306e\u67d4\u8edf\u6027\u5411\u4e0a<\/h4>\n\n\n\n<p>\u5171\u901a\u306e\u57fa\u5e95\u30af\u30e9\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3057\u306a\u304c\u3089\u3001\u5177\u8c61\u30af\u30e9\u30b9\u3054\u3068\u306b\u7279\u6b8a\u306a\u632f\u308b\u821e\u3044\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">abstract\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-7\">\u30af\u30e9\u30b9\u3067\u306e\u4f7f\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u62bd\u8c61\u30af\u30e9\u30b9\u306e\u57fa\u672c\u7684\u306a\u5b9a\u7fa9\npublic abstract class Animal\n{\n    \/\/ \u901a\u5e38\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\n    public string Name { get; set; }\n\n    \/\/ \u901a\u5e38\u306e\u30e1\u30bd\u30c3\u30c9\uff08\u5177\u8c61\u30e1\u30bd\u30c3\u30c9\uff09\n    public void Sleep()\n    {\n        Console.WriteLine($\"{Name} is sleeping...\");\n    }\n\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\uff08\u5b9f\u88c5\u306f\u6d3e\u751f\u30af\u30e9\u30b9\u3067\u5fc5\u9808\uff09\n    public abstract void MakeSound();\n\n    \/\/ \u4eee\u60f3\u30e1\u30bd\u30c3\u30c9\uff08\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u53ef\u80fd\u3060\u304c\u4efb\u610f\uff09\n    public virtual void Move()\n    {\n        Console.WriteLine($\"{Name} is moving...\");\n    }\n}\n\n\/\/ \u62bd\u8c61\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u305f\u5177\u8c61\u30af\u30e9\u30b9\npublic class Dog : Animal\n{\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5\uff08\u5fc5\u9808\uff09\n    public override void MakeSound()\n    {\n        Console.WriteLine(\"Woof!\");\n    }\n\n    \/\/ \u4eee\u60f3\u30e1\u30bd\u30c3\u30c9\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\uff08\u4efb\u610f\uff09\n    public override void Move()\n    {\n        Console.WriteLine($\"{Name} is running on four legs!\");\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-8\">1. \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306e\u5236\u9650<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u3053\u308c\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\nAnimal animal = new Animal(); \/\/ \u62bd\u8c61\u30af\u30e9\u30b9\u306f\u76f4\u63a5\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u304d\u306a\u3044\n\n\/\/ \u3053\u308c\u306f\u6b63\u3057\u3044\u4f7f\u7528\u6cd5\nAnimal dog = new Dog(); \/\/ \u5177\u8c61\u30af\u30e9\u30b9\u3092\u901a\u3058\u3066\u5229\u7528<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-9\">2. \u30e1\u30f3\u30d0\u30fc\u306e\u53ef\u8996\u6027<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class Example\n{\n    \/\/ \u62bd\u8c61\u30af\u30e9\u30b9\u306f\u901a\u5e38\u306e\u30e1\u30f3\u30d0\u30fc\u3082\u6301\u3066\u308b\n    private int privateField;\n    protected string protectedProperty { get; set; }\n    public void PublicMethod() { }\n\n    \/\/ \u62bd\u8c61\u30e1\u30f3\u30d0\u30fc\u306f\u6697\u9ed9\u7684\u306bvirtual\n    public abstract void AbstractMethod();\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-10\">3. \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306e\u5236\u7d04<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class BaseClass\n{\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306f\u5b9f\u88c5\u3092\u6301\u3066\u306a\u3044\n    public abstract void Method();\n\n    \/\/ \u3053\u308c\u306f\u8a31\u53ef\u3055\u308c\u306a\u3044\n    \/\/ public abstract void InvalidMethod() { }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u3067\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class RepositoryBase&lt;T&gt; where T : class\n{\n    protected readonly DbContext _context;\n\n    protected RepositoryBase(DbContext context)\n    {\n        _context = context;\n    }\n\n    \/\/ \u5171\u901a\u306e\u5b9f\u88c5\u3092\u63d0\u4f9b\n    public virtual async Task&lt;T&gt; GetByIdAsync(int id)\n    {\n        return await _context.Set&lt;T&gt;().FindAsync(id);\n    }\n\n    \/\/ \u5177\u8c61\u30af\u30e9\u30b9\u3067\u5b9f\u88c5\u3059\u3079\u304d\u7279\u6b8a\u306a\u64cd\u4f5c\u3092\u5b9a\u7fa9\n    public abstract Task&lt;IEnumerable&lt;T&gt;&gt; GetByConditionAsync(\n        Expression&lt;Func&lt;T, bool&gt;&gt; condition);\n}\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\npublic class UserRepository : RepositoryBase&lt;User&gt;\n{\n    public UserRepository(DbContext context) : base(context) { }\n\n    public override async Task&lt;IEnumerable&lt;User&gt;&gt; GetByConditionAsync(\n        Expression&lt;Func&lt;User, bool&gt;&gt; condition)\n    {\n        return await _context.Set&lt;User&gt;()\n            .Where(condition)\n            .ToListAsync();\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4f8b\u306f\u3001\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u304b\u3089\u5b9f\u8df5\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u307e\u3067\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<br>\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3001\u4fdd\u5b88\u6027\u3001\u62e1\u5f35\u6027\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9055\u3044\u3092\u5fb9\u5e95\u89e3\u8aac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u4f7f\u3044\u5206\u3051\u306e3\u3064\u306e\u9ec4\u91d1\u30eb\u30fc\u30eb<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-14\">1. IS-A \u95a2\u4fc2 vs CAN-DO \u95a2\u4fc2<\/h4>\n\n\n\n<p>\u62bd\u8c61\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u6700\u3082\u57fa\u672c\u7684\u306a\u4f7f\u3044\u5206\u3051\u306f\u3001\u4ee5\u4e0b\u306e\u95a2\u4fc2\u6027\u306b\u57fa\u3065\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ IS-A\u95a2\u4fc2\u306e\u4f8b\uff08\u62bd\u8c61\u30af\u30e9\u30b9\uff09\npublic abstract class Vehicle\n{\n    public string Model { get; set; }\n    public abstract void Start();\n}\n\npublic class Car : Vehicle  \/\/ \u8eca\u306f\u4e57\u308a\u7269\u3067\u3042\u308b\uff08IS-A\uff09\n{\n    public override void Start()\n    {\n        Console.WriteLine(\"\u30a8\u30f3\u30b8\u30f3\u59cb\u52d5\");\n    }\n}\n\n\/\/ CAN-DO\u95a2\u4fc2\u306e\u4f8b\uff08\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff09\npublic interface IPayable\n{\n    decimal CalculatePayment();\n}\n\npublic class Employee : IPayable  \/\/ \u5f93\u696d\u54e1\u306f\u652f\u6255\u3044\u53ef\u80fd\u3067\u3042\u308b\uff08CAN-DO\uff09\n{\n    public decimal CalculatePayment()\n    {\n        return BaseSalary + Bonus;\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-15\">2. \u5b9f\u88c5\u306e\u5171\u6709 vs \u5951\u7d04\u306e\u5b9a\u7fa9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5b9f\u88c5\u306e\u5171\u6709\uff08\u62bd\u8c61\u30af\u30e9\u30b9\uff09\npublic abstract class DataProcessorBase\n{\n    \/\/ \u5171\u901a\u306e\u5b9f\u88c5\u3092\u63d0\u4f9b\n    protected void ValidateData(string data)\n    {\n        if (string.IsNullOrEmpty(data))\n            throw new ArgumentException(\"\u30c7\u30fc\u30bf\u304c\u7a7a\u3067\u3059\");\n    }\n\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\n    public abstract void ProcessData(string data);\n}\n\n\/\/ \u5951\u7d04\u306e\u5b9a\u7fa9\uff08\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff09\npublic interface IDataProcessor\n{\n    void ProcessData(string data);\n    \/\/ \u5b9f\u88c5\u306f\u63d0\u4f9b\u305b\u305a\u3001\u5fc5\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u306e\u307f\u3092\u5b9a\u7fa9\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-16\">3. \u5358\u4e00\u7d99\u627f vs \u591a\u91cd\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u62bd\u8c61\u30af\u30e9\u30b9\u306f\u5358\u4e00\u7d99\u627f\u306e\u307f\npublic abstract class Animal { }\npublic abstract class Mammal : Animal { }\n\/\/ public class Dog : Animal, Mammal { } \/\/ \u30a8\u30e9\u30fc\uff1a\u591a\u91cd\u7d99\u627f\u4e0d\u53ef\n\n\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u591a\u91cd\u5b9f\u88c5\u53ef\u80fd\npublic interface ISwimmable { void Swim(); }\npublic interface IFlyable { void Fly(); }\npublic class Duck : Animal, ISwimmable, IFlyable\n{\n    public void Swim() { \/* \u5b9f\u88c5 *\/ }\n    public void Fly() { \/* \u5b9f\u88c5 *\/ }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u89b3\u70b9\u304b\u3089\u898b\u305f\u7279\u5fb4<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-18\">\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u62bd\u8c61\u30af\u30e9\u30b9\n<ul class=\"wp-block-list is-style-sango-list-simple\">\n<li>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6301\u3066\u308b<\/li>\n\n\n\n<li>\u72b6\u614b\u3092\u4fdd\u6301\u3067\u304d\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u5927\u304d\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\n<ul class=\"wp-block-list is-style-sango-list-simple\">\n<li>\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u6301\u3066\u306a\u3044\uff08C# 8.0\u304b\u3089\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5b9f\u88c5\u3092\u9664\u304f\uff09<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u52b9\u7387\u304c\u826f\u3044<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class CacheBase\n{\n    protected Dictionary&lt;string, object&gt; _cache = new();  \/\/ \u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\n    public abstract void Add(string key, object value);\n}\n\npublic interface ICache\n{\n    void Add(string key, object value);  \/\/ \u30e1\u30e2\u30ea\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306a\u3057\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-19\">\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u6642\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u62bd\u8c61\u30af\u30e9\u30b9\u306e\u4eee\u60f3\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\npublic abstract class Logger\n{\n    public virtual void Log(string message)  \/\/ \u4eee\u60f3\u30c6\u30fc\u30d6\u30eb\u3092\u901a\u3058\u305f\u547c\u3073\u51fa\u3057\n    {\n        Console.WriteLine(message);\n    }\n}\n\n\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\npublic interface ILogger\n{\n    void Log(string message);  \/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u3092\u901a\u3058\u305f\u547c\u3073\u51fa\u3057\n}\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u7528\u30b3\u30fc\u30c9\npublic class PerformanceTest\n{\n    private const int Iterations = 1000000;\n\n    public void TestAbstractClass()\n    {\n        Logger logger = new ConsoleLogger();\n        for (int i = 0; i &lt; Iterations; i++)\n        {\n            logger.Log(\"test\");  \/\/ \u4eee\u60f3\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n        }\n    }\n\n    public void TestInterface()\n    {\n        ILogger logger = new ConsoleLogger();\n        for (int i = 0; i &lt; Iterations; i++)\n        {\n            logger.Log(\"test\");  \/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n        }\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9055\u3044\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u4eee\u60f3\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\uff1a\u308f\u305a\u304b\u306b\u9ad8\u901f<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\uff1a\u82e5\u5e72\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/li>\n\n\n\n<li>\u305f\u3060\u3057\u3001\u73fe\u4ee3\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u306f\u305d\u306e\u5dee\u306f\u307b\u3068\u3093\u3069\u7121\u8996\u3067\u304d\u308b\u30ec\u30d9\u30eb<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u7279\u5fb4\u3092\u7406\u89e3\u3057\u305f\u4e0a\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u9078\u629e\u3092\u884c\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<br>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3088\u308a\u3082\u8a2d\u8a08\u306e\u67d4\u8edf\u6027\u3084\u4fdd\u5b88\u6027\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\u304c\u591a\u3044\u3053\u3068\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">\u5b9f\u8df5\u7684\u306a\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f37\u9078<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u51e6\u7406\u306e\u5171\u901a\u5316<\/h3>\n\n\n\n<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u9aa8\u683c\u3092\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u5b9a\u7fa9\u3057\u3001\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u3092\u5b50\u30af\u30e9\u30b9\u306b\u59d4\u306d\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class DataExporter\n{\n    \/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\n    public void Export()\n    {\n        ValidateData();\n        PreProcess();\n        ProcessData();\n        PostProcess();\n        Notify();\n    }\n\n    \/\/ \u5171\u901a\u306e\u5b9f\u88c5\n    private void ValidateData()\n    {\n        Console.WriteLine(\"\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\u4e2d...\");\n    }\n\n    \/\/ \u30d5\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\uff08\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5b9f\u88c5\uff09\n    protected virtual void PreProcess() { }\n    protected virtual void PostProcess() { }\n\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\uff08\u5fc5\u9808\u306e\u5b9f\u88c5\uff09\n    protected abstract void ProcessData();\n    protected abstract void Notify();\n}\n\npublic class CsvExporter : DataExporter\n{\n    protected override void ProcessData()\n    {\n        Console.WriteLine(\"CSV\u30d5\u30a1\u30a4\u30eb\u306b\u30c7\u30fc\u30bf\u3092\u51fa\u529b\u4e2d...\");\n    }\n\n    protected override void Notify()\n    {\n        Console.WriteLine(\"CSV\u51fa\u529b\u5b8c\u4e86\u3092\u901a\u77e5\");\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u6d3b\u7528\u6cd5<\/h3>\n\n\n\n<p>\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u5b9a\u7fa9\u3057\u3001\u5177\u4f53\u7684\u306a\u751f\u6210\u30d7\u30ed\u30bb\u30b9\u3092\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public interface IDocument\n{\n    void Open();\n    void Process();\n    void Save();\n}\n\npublic abstract class DocumentFactory\n{\n    \/\/ \u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\n    public abstract IDocument CreateDocument();\n\n    \/\/ \u5171\u901a\u306e\u51e6\u7406\n    public void ProcessDocument()\n    {\n        var document = CreateDocument();\n        document.Open();\n        document.Process();\n        document.Save();\n    }\n}\n\npublic class PdfFactory : DocumentFactory\n{\n    public override IDocument CreateDocument()\n    {\n        return new PdfDocument();\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30b9\u30c8\u30e9\u30c6\u30b8\u30fc\u30d1\u30bf\u30fc\u30f3\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n\n\n\n<p>\u30b9\u30c8\u30e9\u30c6\u30b8\u30fc\u30d1\u30bf\u30fc\u30f3\u3068\u62bd\u8c61\u30af\u30e9\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5171\u901a\u90e8\u5206\u3092\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u5b9a\u7fa9\u3057\u3064\u3064\u3001\u53ef\u5909\u90e8\u5206\u3092\u67d4\u8edf\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public interface ICompressionStrategy\n{\n    byte[] Compress(byte[] data);\n}\n\npublic abstract class CompressionHandler\n{\n    protected readonly ICompressionStrategy _strategy;\n\n    protected CompressionHandler(ICompressionStrategy strategy)\n    {\n        _strategy = strategy;\n    }\n\n    \/\/ \u5171\u901a\u51e6\u7406\n    public virtual void HandleCompression(byte[] data)\n    {\n        ValidateData(data);\n        var compressed = _strategy.Compress(data);\n        SaveCompressedData(compressed);\n    }\n\n    protected abstract void SaveCompressedData(byte[] compressedData);\n    protected abstract void ValidateData(byte[] data);\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u30c7\u30b3\u30ec\u30fc\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u30c7\u30b3\u30ec\u30fc\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u3092\u6301\u3064\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u3001\u52d5\u7684\u306b\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class LoggerDecorator : ILogger\n{\n    protected readonly ILogger _logger;\n\n    public LoggerDecorator(ILogger logger)\n    {\n        _logger = logger;\n    }\n\n    public abstract void Log(string message);\n}\n\npublic class TimestampDecorator : LoggerDecorator\n{\n    public TimestampDecorator(ILogger logger) : base(logger) { }\n\n    public override void Log(string message)\n    {\n        var timestampedMessage = $\"[{DateTime.Now}] {message}\";\n        _logger.Log(timestampedMessage);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u30b3\u30f3\u30dd\u30b8\u30c3\u30c8\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u5fdc\u7528<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30b8\u30c3\u30c8\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u500b\u3005\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u8907\u5408\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u540c\u3058\u3088\u3046\u306b\u6271\u3048\u308b\u69cb\u9020\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class FileSystemItem\n{\n    public string Name { get; protected set; }\n    public abstract long GetSize();\n    public abstract void Print(string indent = \"\");\n}\n\npublic class File : FileSystemItem\n{\n    private long _size;\n\n    public File(string name, long size)\n    {\n        Name = name;\n        _size = size;\n    }\n\n    public override long GetSize() =&gt; _size;\n\n    public override void Print(string indent = \"\")\n    {\n        Console.WriteLine($\"{indent}File: {Name} ({GetSize()} bytes)\");\n    }\n}\n\npublic class Directory : FileSystemItem\n{\n    private List&lt;FileSystemItem&gt; _items = new();\n\n    public Directory(string name)\n    {\n        Name = name;\n    }\n\n    public void Add(FileSystemItem item)\n    {\n        _items.Add(item);\n    }\n\n    public override long GetSize()\n        =&gt; _items.Sum(item =&gt; item.GetSize());\n\n    public override void Print(string indent = \"\")\n    {\n        Console.WriteLine($\"{indent}Directory: {Name}\");\n        foreach (var item in _items)\n        {\n            item.Print(indent + \"  \");\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-26\">\u30d6\u30ea\u30c3\u30b8\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30d6\u30ea\u30c3\u30b8\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u62bd\u8c61\u5316\u3068\u5b9f\u88c5\u3092\u5206\u96e2\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u72ec\u7acb\u3057\u3066\u5909\u66f4\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5b9f\u88c5\u306e\u62bd\u8c61\u5316\npublic interface IMessageSender\n{\n    void SendMessage(string message);\n}\n\n\/\/ \u62bd\u8c61\u5316\npublic abstract class Message\n{\n    protected IMessageSender _sender;\n\n    protected Message(IMessageSender sender)\n    {\n        _sender = sender;\n    }\n\n    public abstract void Send();\n}\n\n\/\/ \u5177\u4f53\u7684\u306a\u62bd\u8c61\u5316\npublic class UserMessage : Message\n{\n    private string _userName;\n    private string _content;\n\n    public UserMessage(\n        string userName, \n        string content, \n        IMessageSender sender) : base(sender)\n    {\n        _userName = userName;\n        _content = content;\n    }\n\n    public override void Send()\n    {\n        string formattedMessage = \n            $\"User {_userName} says: {_content}\";\n        _sender.SendMessage(formattedMessage);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u6d3b\u7528\u8853<\/h3>\n\n\n\n<p>\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e1\u5bfe\u591a\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u5b9a\u7fa9\u3057\u3001\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u304c\u5909\u5316\u3057\u305f\u6642\u306b\u4f9d\u5b58\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u81ea\u52d5\u7684\u306b\u901a\u77e5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public interface IObserver\n{\n    void Update(string message);\n}\n\npublic abstract class Observable\n{\n    private List&lt;IObserver&gt; _observers = new();\n\n    public void Attach(IObserver observer)\n    {\n        _observers.Add(observer);\n    }\n\n    public void Detach(IObserver observer)\n    {\n        _observers.Remove(observer);\n    }\n\n    protected void NotifyObservers(string message)\n    {\n        foreach (var observer in _observers)\n        {\n            observer.Update(message);\n        }\n    }\n}\n\npublic class WeatherStation : Observable\n{\n    private float _temperature;\n\n    public float Temperature\n    {\n        get =&gt; _temperature;\n        set\n        {\n            if (_temperature != value)\n            {\n                _temperature = value;\n                NotifyObservers($\"\u6e29\u5ea6\u304c{value}\u5ea6\u306b\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\");\n            }\n        }\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u7279\u6027\u3092\u6d3b\u304b\u3057\u3066\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3001\u4fdd\u5b88\u6027\u3001\u62e1\u5f35\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u629e\u3059\u308b\u304b\u3001\u8907\u6570\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-28\">C# abstract\u30af\u30e9\u30b9\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-29\">\u547d\u540d\u898f\u5247\u3068\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04<\/h3>\n\n\n\n<p>\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u547d\u540d\u3068\u5b9f\u88c5\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-30\">1. \u30af\u30e9\u30b9\u540d\u306e\u898f\u5247<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u63a8\u5968\u3055\u308c\u308b\u547d\u540d\u30d1\u30bf\u30fc\u30f3\npublic abstract class ServiceBase { }      \/\/ \"Base\" \u30b5\u30d5\u30a3\u30c3\u30af\u30b9\npublic abstract class AbstractService { }   \/\/ \"Abstract\" \u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\npublic abstract class ServiceTemplate { }   \/\/ \"Template\" \u30b5\u30d5\u30a3\u30c3\u30af\u30b9\n\n\/\/ \u907f\u3051\u308b\u3079\u304d\u547d\u540d\u30d1\u30bf\u30fc\u30f3\npublic abstract class BaseService { }      \/\/ \"Base\" \u3092\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u306b\u3059\u308b\u3053\u3068\u306f\u975e\u63a8\u5968\npublic abstract class AbsService { }       \/\/ \u7565\u8a9e\u306e\u4f7f\u7528\u306f\u975e\u63a8\u5968<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-31\">2. \u30e1\u30f3\u30d0\u30fc\u306e\u547d\u540d\u898f\u5247<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class DataAccessBase\n{\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306f\u52d5\u8a5e\u307e\u305f\u306f\u52d5\u8a5e\u53e5\u3067\u59cb\u3081\u308b\n    public abstract Task&lt;T&gt; RetrieveDataAsync&lt;T&gt;();\n\n    \/\/ \u4fdd\u8b77\u3055\u308c\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f '_' \u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u4f7f\u7528\n    protected readonly ILogger _logger;\n\n    \/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u540d\u8a5e\u307e\u305f\u306f\u540d\u8a5e\u53e5\n    protected abstract IConfiguration Configuration { get; }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-32\">\u30c6\u30b9\u30c8\u3057\u3084\u3059\u3044\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30c6\u30b9\u30bf\u30d3\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u539f\u5247\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30c6\u30b9\u30c8\u5bb9\u6613\u6027\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u4f8b\npublic abstract class OrderProcessorBase\n{\n    \/\/ \u4f9d\u5b58\u6027\u3092\u660e\u793a\u7684\u306b\u6ce8\u5165\n    protected readonly ILogger _logger;\n    protected readonly IOrderValidator _validator;\n\n    protected OrderProcessorBase(\n        ILogger logger,\n        IOrderValidator validator)\n    {\n        _logger = logger;\n        _validator = validator;\n    }\n\n    \/\/ \u4fdd\u8b77\u3055\u308c\u305f\u4eee\u60f3\u30e1\u30bd\u30c3\u30c9\u3067\u30c6\u30b9\u30c8\u53ef\u80fd\u306a\u5358\u4f4d\u3092\u63d0\u4f9b\n    protected virtual bool ValidateOrder(Order order)\n    {\n        return _validator.Validate(order);\n    }\n\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306f\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u5206\u5272\n    protected abstract Task&lt;decimal&gt; CalculateTotalAsync(Order order);\n    protected abstract Task&lt;bool&gt; ReserveInventoryAsync(Order order);\n\n    \/\/ \u30d1\u30d6\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u3067\u51e6\u7406\u30d5\u30ed\u30fc\u3092\u5236\u5fa1\n    public async Task&lt;bool&gt; ProcessOrderAsync(Order order)\n    {\n        try\n        {\n            if (!ValidateOrder(order))\n            {\n                _logger.LogError(\"Order validation failed\");\n                return false;\n            }\n\n            var total = await CalculateTotalAsync(order);\n            var reserved = await ReserveInventoryAsync(order);\n\n            return reserved;\n        }\n        catch (Exception ex)\n        {\n            _logger.LogError(ex, \"Order processing failed\");\n            return false;\n        }\n    }\n}\n\n\/\/ \u30c6\u30b9\u30c8\u30af\u30e9\u30b9\u306e\u4f8b\npublic class OrderProcessorTests\n{\n    private class TestOrderProcessor : OrderProcessorBase\n    {\n        public TestOrderProcessor(\n            ILogger logger,\n            IOrderValidator validator)\n            : base(logger, validator) { }\n\n        protected override Task&lt;decimal&gt; CalculateTotalAsync(Order order)\n            =&gt; Task.FromResult(100m);\n\n        protected override Task&lt;bool&gt; ReserveInventoryAsync(Order order)\n            =&gt; Task.FromResult(true);\n    }\n\n    [Fact]\n    public async Task ProcessOrder_WithValidOrder_ReturnsTrue()\n    {\n        \/\/ Arrange\n        var logger = Mock.Of&lt;ILogger&gt;();\n        var validator = Mock.Of&lt;IOrderValidator&gt;(v =&gt;\n            v.Validate(It.IsAny&lt;Order&gt;()) == true);\n\n        var processor = new TestOrderProcessor(logger, validator);\n\n        \/\/ Act\n        var result = await processor.ProcessOrderAsync(new Order());\n\n        \/\/ Assert\n        Assert.True(result);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-33\">\u4f9d\u5b58\u6027\u6ce8\u5165\u3092\u8003\u616e\u3057\u305f\u5b9f\u88c5\u306e\u30b3\u30c4<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-34\">1. \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class RepositoryBase&lt;T&gt; where T : class\n{\n    protected readonly DbContext _context;\n    protected readonly ILogger&lt;RepositoryBase&lt;T&gt;&gt; _logger;\n    protected readonly IMapper _mapper;\n\n    protected RepositoryBase(\n        DbContext context,\n        ILogger&lt;RepositoryBase&lt;T&gt;&gt; logger,\n        IMapper mapper)\n    {\n        _context = context;\n        _logger = logger;\n        _mapper = mapper;\n    }\n}\n\n\/\/ \u5b9f\u88c5\u30af\u30e9\u30b9\npublic class UserRepository : RepositoryBase&lt;User&gt;\n{\n    public UserRepository(\n        DbContext context,\n        ILogger&lt;RepositoryBase&lt;User&gt;&gt; logger,\n        IMapper mapper)\n        : base(context, logger, mapper)\n    {\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-35\">2. \u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u4f9d\u5b58\u6027\u306e\u51e6\u7406<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class CacheableServiceBase\n{\n    protected readonly ICache _cache;\n    protected readonly bool _isCachingEnabled;\n\n    protected CacheableServiceBase(ICache cache = null)\n    {\n        _cache = cache;\n        _isCachingEnabled = cache != null;\n    }\n\n    protected async Task&lt;T&gt; GetWithCachingAsync&lt;T&gt;(\n        string key,\n        Func&lt;Task&lt;T&gt;&gt; dataProvider,\n        TimeSpan? cacheExpiration = null)\n    {\n        if (!_isCachingEnabled)\n            return await dataProvider();\n\n        if (await _cache.TryGetAsync&lt;T&gt;(key, out var cachedData))\n            return cachedData;\n\n        var data = await dataProvider();\n        await _cache.SetAsync(key, data, cacheExpiration);\n        return data;\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-36\">3. \u30b5\u30fc\u30d3\u30b9\u30ed\u30b1\u30fc\u30bf\u30fc\u306e\u9069\u5207\u306a\u4f7f\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class BackgroundServiceBase : IHostedService\n{\n    private readonly IServiceProvider _serviceProvider;\n\n    protected BackgroundServiceBase(IServiceProvider serviceProvider)\n    {\n        _serviceProvider = serviceProvider;\n    }\n\n    protected async Task ExecuteWithScopedServicesAsync(\n        Func&lt;IServiceProvider, Task&gt; action)\n    {\n        using var scope = _serviceProvider.CreateScope();\n        await action(scope.ServiceProvider);\n    }\n\n    public abstract Task StartAsync(CancellationToken cancellationToken);\n    public abstract Task StopAsync(CancellationToken cancellationToken);\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u30c6\u30b9\u30c8\u53ef\u80fd\u3067\u3001\u4f9d\u5b58\u6027\u304c\u9069\u5207\u306b\u7ba1\u7406\u3055\u308c\u305f\u62bd\u8c61\u30af\u30e9\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-37\">\u3088\u304f\u3042\u308b\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3068\u89e3\u6c7a\u7b56<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-38\">\u904e\u5ea6\u306a\u62bd\u8c61\u5316\u3092\u907f\u3051\u308b\u305f\u3081\u306e3\u3064\u306e\u6307\u91dd<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-39\">1. \u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u305f\u62bd\u8c61\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\n\/\/ \u904e\u5ea6\u306b\u62bd\u8c61\u5316\u3055\u308c\u305f\u4f8b\npublic abstract class EntityBase\n{\n    public abstract int Id { get; set; }\n    public abstract string Name { get; set; }\n    public abstract DateTime CreatedAt { get; set; }\n    public abstract DateTime? UpdatedAt { get; set; }\n    public abstract bool IsActive { get; set; }\n    \/\/ ... \u591a\u6570\u306e\u62bd\u8c61\u30d7\u30ed\u30d1\u30c6\u30a3\n}\n\n\/\/ \u6539\u5584\u6848\n\/\/ \u5fc5\u8981\u306a\u62bd\u8c61\u5316\u306e\u307f\u3092\u63d0\u4f9b\npublic abstract class EntityBase\n{\n    public int Id { get; set; }  \/\/ \u5171\u901a\u306e\u5b9f\u88c5\n    public DateTime CreatedAt { get; set; }\n\n    \/\/ \u672c\u5f53\u306b\u7570\u306a\u308b\u5b9f\u88c5\u304c\u5fc5\u8981\u306a\u3082\u306e\u306e\u307f\u3092\u62bd\u8c61\u5316\n    public abstract string GetDisplayName();\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-40\">2. \u300c\u5c06\u6765\u306e\u305f\u3081\u300d\u306e\u904e\u5270\u306a\u62bd\u8c61\u5316\u3092\u907f\u3051\u308b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\n\/\/ \u300c\u3044\u3064\u304b\u5fc5\u8981\u306b\u306a\u308b\u304b\u3082\u300d\u3068\u3044\u3046\u7406\u7531\u3067\u306e\u62bd\u8c61\u5316\npublic abstract class ServiceBase\n{\n    public abstract Task&lt;T&gt; ExecuteAsync&lt;T&gt;();\n    public abstract Task&lt;T&gt; ExecuteWithRetryAsync&lt;T&gt;();\n    public abstract Task&lt;T&gt; ExecuteWithTimeoutAsync&lt;T&gt;();\n    public abstract Task&lt;T&gt; ExecuteWithCachingAsync&lt;T&gt;();\n    \/\/ ... \u4f7f\u308f\u308c\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u591a\u6570\u306e\u30e1\u30bd\u30c3\u30c9\n}\n\n\/\/ \u6539\u5584\u6848\n\/\/ \u5b9f\u969b\u306e\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u305f\u8a2d\u8a08\npublic abstract class ServiceBase\n{\n    public abstract Task&lt;T&gt; ExecuteAsync&lt;T&gt;();\n\n    \/\/ \u5171\u901a\u6a5f\u80fd\u306f\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u63d0\u4f9b\n    public static class ServiceExtensions\n    {\n        public static async Task&lt;T&gt; WithRetry&lt;T&gt;(\n            this ServiceBase service,\n            Func&lt;Task&lt;T&gt;&gt; operation)\n        {\n            \/\/ \u5fc5\u8981\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u5b9f\u88c5\n        }\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-41\">3. \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u5341\u5206\u306a\u5834\u5408\u306f\u62bd\u8c61\u30af\u30e9\u30b9\u3092\u907f\u3051\u308b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\n\/\/ \u4e0d\u5fc5\u8981\u306a\u62bd\u8c61\u30af\u30e9\u30b9\npublic abstract class IValidator&lt;T&gt;\n{\n    public abstract bool Validate(T entity);\n    public abstract IEnumerable&lt;string&gt; GetErrors();\n}\n\n\/\/ \u6539\u5584\u6848\n\/\/ \u30b7\u30f3\u30d7\u30eb\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\npublic interface IValidator&lt;T&gt;\n{\n    bool Validate(T entity);\n    IEnumerable&lt;string&gt; GetErrors();\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-42\">\u7d99\u627f\u306e\u6df1\u3055\u306b\u95a2\u3059\u308b\u8a2d\u8a08\u5224\u65ad<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-43\">\u7d99\u627f\u306e\u6df1\u3055\u3092\u5236\u9650\u3059\u308b\u65b9\u6cd5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\n\/\/ \u6df1\u3044\u7d99\u627f\u968e\u5c64\npublic abstract class Entity { }\npublic abstract class ValidatableEntity : Entity { }\npublic abstract class AuditableEntity : ValidatableEntity { }\npublic abstract class SoftDeletableEntity : AuditableEntity { }\npublic class Customer : SoftDeletableEntity { }\n\n\/\/ \u6539\u5584\u6848\n\/\/ \u30b3\u30f3\u30dd\u30b8\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u305f\u8a2d\u8a08\npublic class Entity\n{\n    private readonly IValidator _validator;\n    private readonly IAuditTracker _auditTracker;\n    private readonly ISoftDelete _softDelete;\n\n    protected Entity(\n        IValidator validator,\n        IAuditTracker auditTracker,\n        ISoftDelete softDelete)\n    {\n        _validator = validator;\n        _auditTracker = auditTracker;\n        _softDelete = softDelete;\n    }\n}\n\npublic class Customer : Entity\n{\n    public Customer() : base(\n        new CustomerValidator(),\n        new AuditTracker(),\n        new SoftDeleteBehavior())\n    {\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-44\">\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u9632\u3050\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-45\">1. \u5171\u901a\u30b3\u30fc\u30c9\u306e\u62bd\u51fa<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\npublic class UserService\n{\n    private void LogError(Exception ex)\n    {\n        Console.WriteLine($\"[ERROR] {DateTime.Now}: {ex.Message}\");\n        \/\/ \u30a8\u30e9\u30fc\u51e6\u7406\u306e\u91cd\u8907\n    }\n}\n\npublic class OrderService\n{\n    private void LogError(Exception ex)\n    {\n        Console.WriteLine($\"[ERROR] {DateTime.Now}: {ex.Message}\");\n        \/\/ \u540c\u3058\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u91cd\u8907\n    }\n}\n\n\/\/ \u6539\u5584\u6848\npublic abstract class ServiceBase\n{\n    protected readonly ILogger _logger;\n\n    protected ServiceBase(ILogger logger)\n    {\n        _logger = logger;\n    }\n\n    protected virtual void HandleException(Exception ex)\n    {\n        _logger.LogError(ex, ex.Message);\n    }\n}\n\npublic class UserService : ServiceBase\n{\n    public UserService(ILogger&lt;UserService&gt; logger) : base(logger) { }\n}\n\npublic class OrderService : ServiceBase\n{\n    public OrderService(ILogger&lt;OrderService&gt; logger) : base(logger) { }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-46\">2. \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\npublic class PdfReport\n{\n    public void Generate()\n    {\n        ValidateData();\n        PrepareData();\n        CreatePdfDocument();\n        SaveDocument();\n    }\n}\n\npublic class ExcelReport\n{\n    public void Generate()\n    {\n        ValidateData();\n        PrepareData();\n        CreateExcelDocument();\n        SaveDocument();\n    }\n}\n\n\/\/ \u6539\u5584\u6848\npublic abstract class ReportBase\n{\n    public void Generate()\n    {\n        ValidateData();\n        PrepareData();\n        CreateDocument();\n        SaveDocument();\n    }\n\n    protected abstract void CreateDocument();\n\n    private void ValidateData() { \/* \u5171\u901a\u306e\u691c\u8a3c\u30ed\u30b8\u30c3\u30af *\/ }\n    private void PrepareData() { \/* \u5171\u901a\u306e\u30c7\u30fc\u30bf\u6e96\u5099 *\/ }\n    private void SaveDocument() { \/* \u5171\u901a\u306e\u4fdd\u5b58\u30ed\u30b8\u30c3\u30af *\/ }\n}\n\npublic class PdfReport : ReportBase\n{\n    protected override void CreateDocument()\n    {\n        \/\/ PDF\u56fa\u6709\u306e\u751f\u6210\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3092\u8a8d\u8b58\u3057\u3001\u9069\u5207\u306a\u89e3\u6c7a\u7b56\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u3001\u7406\u89e3\u3057\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-47\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6d3b\u7528\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-48\">Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u30b5\u30fc\u30d3\u30b9\u5c64\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-49\">\u30b5\u30fc\u30d3\u30b9\u5c64\u306e\u62bd\u8c61\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class ServiceBase&lt;TEntity, TDto&gt;\n    where TEntity : class\n    where TDto : class\n{\n    protected readonly IRepository&lt;TEntity&gt; _repository;\n    protected readonly IMapper _mapper;\n    protected readonly ILogger _logger;\n    protected readonly IValidator&lt;TDto&gt; _validator;\n\n    protected ServiceBase(\n        IRepository&lt;TEntity&gt; repository,\n        IMapper mapper,\n        ILogger logger,\n        IValidator&lt;TDto&gt; validator)\n    {\n        _repository = repository;\n        _mapper = mapper;\n        _logger = logger;\n        _validator = validator;\n    }\n\n    public virtual async Task&lt;TDto&gt; GetByIdAsync(int id)\n    {\n        try\n        {\n            var entity = await _repository.GetByIdAsync(id);\n            return _mapper.Map&lt;TDto&gt;(entity);\n        }\n        catch (Exception ex)\n        {\n            _logger.LogError(ex, $\"Error retrieving entity with id {id}\");\n            throw;\n        }\n    }\n\n    public virtual async Task&lt;TDto&gt; CreateAsync(TDto dto)\n    {\n        if (!_validator.Validate(dto))\n            throw new ValidationException(_validator.GetErrors());\n\n        try\n        {\n            var entity = _mapper.Map&lt;TEntity&gt;(dto);\n            var created = await _repository.CreateAsync(entity);\n            return _mapper.Map&lt;TDto&gt;(created);\n        }\n        catch (Exception ex)\n        {\n            _logger.LogError(ex, \"Error creating entity\");\n            throw;\n        }\n    }\n}\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\npublic class UserService : ServiceBase&lt;User, UserDto&gt;\n{\n    public UserService(\n        IRepository&lt;User&gt; repository,\n        IMapper mapper,\n        ILogger&lt;UserService&gt; logger,\n        IValidator&lt;UserDto&gt; validator)\n        : base(repository, mapper, logger, validator)\n    {\n    }\n\n    \/\/ \u30e6\u30fc\u30b6\u30fc\u56fa\u6709\u306e\u8ffd\u52a0\u6a5f\u80fd\n    public async Task&lt;bool&gt; ChangePasswordAsync(\n        int userId, \n        string newPassword)\n    {\n        var user = await _repository.GetByIdAsync(userId);\n        user.PasswordHash = HashPassword(newPassword);\n        await _repository.UpdateAsync(user);\n        return true;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-50\">\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u3067\u306e\u62bd\u8c61\u5316\u30d1\u30bf\u30fc\u30f3<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-51\">\u30ea\u30dd\u30b8\u30c8\u30ea\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class RepositoryBase&lt;T&gt; where T : class\n{\n    protected readonly ApplicationDbContext _context;\n    protected readonly DbSet&lt;T&gt; _dbSet;\n    protected readonly ILogger _logger;\n\n    protected RepositoryBase(\n        ApplicationDbContext context,\n        ILogger logger)\n    {\n        _context = context;\n        _dbSet = context.Set&lt;T&gt;();\n        _logger = logger;\n    }\n\n    public virtual async Task&lt;IEnumerable&lt;T&gt;&gt; GetAllAsync(\n        Expression&lt;Func&lt;T, bool&gt;&gt; filter = null,\n        Func&lt;IQueryable&lt;T&gt;, IOrderedQueryable&lt;T&gt;&gt; orderBy = null,\n        string includeProperties = \"\")\n    {\n        try\n        {\n            IQueryable&lt;T&gt; query = _dbSet;\n\n            if (filter != null)\n                query = query.Where(filter);\n\n            foreach (var includeProperty in includeProperties\n                .Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries))\n            {\n                query = query.Include(includeProperty);\n            }\n\n            if (orderBy != null)\n                return await orderBy(query).ToListAsync();\n\n            return await query.ToListAsync();\n        }\n        catch (Exception ex)\n        {\n            _logger.LogError(ex, \"Error in GetAllAsync\");\n            throw;\n        }\n    }\n\n    public virtual async Task&lt;T&gt; GetByIdAsync(int id)\n    {\n        try\n        {\n            return await _dbSet.FindAsync(id);\n        }\n        catch (Exception ex)\n        {\n            _logger.LogError(ex, $\"Error getting entity with id {id}\");\n            throw;\n        }\n    }\n}\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\npublic class ProductRepository : RepositoryBase&lt;Product&gt;\n{\n    public ProductRepository(\n        ApplicationDbContext context,\n        ILogger&lt;ProductRepository&gt; logger)\n        : base(context, logger)\n    {\n    }\n\n    public async Task&lt;IEnumerable&lt;Product&gt;&gt; GetActiveProductsAsync()\n    {\n        return await GetAllAsync(\n            filter: p =&gt; p.IsActive,\n            orderBy: q =&gt; q.OrderByDescending(p =&gt; p.CreatedAt),\n            includeProperties: \"Category,Supplier\"\n        );\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-52\">\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u5c64\u3067\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-53\">\u30c9\u30e1\u30a4\u30f3\u30b5\u30fc\u30d3\u30b9\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public abstract class OrderProcessingServiceBase\n{\n    protected readonly IOrderRepository _orderRepository;\n    protected readonly IInventoryService _inventoryService;\n    protected readonly IPaymentService _paymentService;\n    protected readonly INotificationService _notificationService;\n    protected readonly ILogger _logger;\n\n    protected OrderProcessingServiceBase(\n        IOrderRepository orderRepository,\n        IInventoryService inventoryService,\n        IPaymentService paymentService,\n        INotificationService notificationService,\n        ILogger logger)\n    {\n        _orderRepository = orderRepository;\n        _inventoryService = inventoryService;\n        _paymentService = paymentService;\n        _notificationService = notificationService;\n        _logger = logger;\n    }\n\n    public async Task&lt;OrderResult&gt; ProcessOrderAsync(Order order)\n    {\n        try\n        {\n            \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u958b\u59cb\n            using var transaction = \n                await _orderRepository.BeginTransactionAsync();\n\n            try\n            {\n                \/\/ \u5728\u5eab\u78ba\u8a8d\n                if (!await CheckInventoryAsync(order))\n                    return OrderResult.Failed(\"\u5728\u5eab\u4e0d\u8db3\");\n\n                \/\/ \u652f\u6255\u3044\u51e6\u7406\n                if (!await ProcessPaymentAsync(order))\n                    return OrderResult.Failed(\"\u652f\u6255\u3044\u51e6\u7406\u5931\u6557\");\n\n                \/\/ \u5728\u5eab\u5f15\u304d\u5f53\u3066\n                await ReserveInventoryAsync(order);\n\n                \/\/ \u6ce8\u6587\u78ba\u5b9a\n                await FinalizeOrderAsync(order);\n\n                \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30b3\u30df\u30c3\u30c8\n                await transaction.CommitAsync();\n\n                \/\/ \u901a\u77e5\u9001\u4fe1\n                await SendNotificationsAsync(order);\n\n                return OrderResult.Success();\n            }\n            catch (Exception ex)\n            {\n                await transaction.RollbackAsync();\n                throw;\n            }\n        }\n        catch (Exception ex)\n        {\n            _logger.LogError(ex, \"\u6ce8\u6587\u51e6\u7406\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\");\n            return OrderResult.Failed(ex.Message);\n        }\n    }\n\n    protected abstract Task&lt;bool&gt; CheckInventoryAsync(Order order);\n    protected abstract Task&lt;bool&gt; ProcessPaymentAsync(Order order);\n    protected abstract Task ReserveInventoryAsync(Order order);\n    protected abstract Task FinalizeOrderAsync(Order order);\n    protected abstract Task SendNotificationsAsync(Order order);\n}\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\npublic class StandardOrderProcessingService : OrderProcessingServiceBase\n{\n    public StandardOrderProcessingService(\n        IOrderRepository orderRepository,\n        IInventoryService inventoryService,\n        IPaymentService paymentService,\n        INotificationService notificationService,\n        ILogger&lt;StandardOrderProcessingService&gt; logger)\n        : base(orderRepository, inventoryService, paymentService, \n               notificationService, logger)\n    {\n    }\n\n    protected override async Task&lt;bool&gt; CheckInventoryAsync(Order order)\n    {\n        foreach (var item in order.Items)\n        {\n            if (!await _inventoryService\n                .HasSufficientStock(item.ProductId, item.Quantity))\n                return false;\n        }\n        return true;\n    }\n\n    protected override async Task&lt;bool&gt; ProcessPaymentAsync(Order order)\n    {\n        var paymentResult = await _paymentService\n            .ProcessPayment(order.PaymentDetails);\n        return paymentResult.IsSuccessful;\n    }\n\n    \/\/ \u4ed6\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5...\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4f7f\u7528\u3055\u308c\u308b\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u4e00\u822c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u62e1\u5f35\u6027\u306e\u3042\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-54\">\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u3068\u5b9f\u8df5\u30d1\u30bf\u30fc\u30f3\u306e\u307e\u3068\u3081<\/h2>\n\n\n\n<p>C#\u306e\u62bd\u8c61\u30af\u30e9\u30b9\u306f\u3001\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u8a2d\u8a08\u306e\u521d\u671f\u6bb5\u968e\u304b\u3089\u62bd\u8c61\u5316\u306e\u5fc5\u8981\u6027\u3092\u898b\u6975\u3081\u3001\u9069\u5207\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u629e\u3057\u3001\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3092\u907f\u3051\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u3068\u62e1\u5f35\u6027\u306b\u512a\u308c\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<br>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u3053\u3053\u3067\u7d39\u4ecb\u3057\u305f\u5b9f\u88c5\u4f8b\u3092\u57fa\u306b\u3001\u5404\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u305f\u62bd\u8c61\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u3092\u884c\u3063\u3066\u3044\u304f\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u3053\u306e\u8a18\u4e8b\u306e\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p class=\"is-style-sango-paragraph-idea-alt\">\u62bd\u8c61\u30af\u30e9\u30b9\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u7570\u306a\u308a\u3001\u5171\u901a\u5b9f\u88c5\u3092\u63d0\u4f9b\u3067\u304d\u308b<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u904e\u5ea6\u306a\u62bd\u8c61\u5316\u306f\u907f\u3051\u3001\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u305f\u8a2d\u8a08\u3092\u884c\u3046<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u679c\u7684\u306a\u62bd\u8c61\u5316\u304c\u5b9f\u73fe\u3067\u304d\u308b<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30c6\u30b9\u30c8\u3057\u3084\u3059\u3055\u3068\u4f9d\u5b58\u6027\u6ce8\u5165\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u304c\u91cd\u8981<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u5b9f\u52d9\u3067\u306f\u7279\u306b\u30b5\u30fc\u30d3\u30b9\u5c64\u3084\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u3067\u306e\u6d3b\u7528\u304c\u6709\u52b9<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; 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