{"id":89514,"date":"2026-08-03T07:08:30","date_gmt":"2026-08-02T23:08:30","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89514.html"},"modified":"2026-08-03T07:08:30","modified_gmt":"2026-08-02T23:08:30","slug":"%e7%ac%ac06%e7%ab%a0-%e6%8e%a5%e5%8f%a3%e4%b8%8e%e6%8a%bd%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89514.html","title":{"rendered":"\u7b2c06\u7ae0-\u63a5\u53e3\u4e0e\u62bd\u8c61"},"content":{"rendered":"<h2>\u7b2c6\u7ae0 \u63a5\u53e3\u4e0e\u62bd\u8c61<\/h2>\n<h3>\u7ae0\u8282\u6458\u8981<\/h3>\n<p>\u672c\u7ae0\u5b66\u4e60\u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b0\u3001\u63a5\u53e3\u7684\u591a\u5b9e\u73b0\u548c\u7ee7\u627f\u3001\u663e\u5f0f\u63a5\u53e3\u5b9e\u73b0\u7684\u4f7f\u7528\u573a\u666f\u3001\u63a5\u53e3\u4e0e\u62bd\u8c61\u7c7b\u7684\u533a\u522b\u548c\u9009\u62e9&#xff0c;\u901a\u8fc7\u5b9e\u6218\u9879\u76ee\u638c\u63e1\u63a5\u53e3\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u5e94\u7528&#xff0c;\u4e3a\u6784\u5efa\u677e\u8026\u5408\u3001\u53ef\u6269\u5c55\u7684\u5e94\u7528\u7a0b\u5e8f\u5960\u5b9a\u57fa\u7840\u3002<\/p>\n<h3>\u672c\u7ae0\u76ee\u5f55<\/h3>\n<ul>\n<li>6.1 \u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b0<\/li>\n<li>6.2 \u63a5\u53e3\u7684\u591a\u5b9e\u73b0<\/li>\n<li>6.3 \u663e\u5f0f\u63a5\u53e3\u5b9e\u73b0<\/li>\n<li>6.4 \u63a5\u53e3\u4e0e\u62bd\u8c61\u7c7b\u7684\u533a\u522b<\/li>\n<li>6.5 \u5b9e\u6218\u7ec3\u4e60<\/li>\n<\/ul>\n<hr \/>\n<h3>6.1 \u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b0<\/h3>\n<h4>\u4ec0\u4e48\u662f\u63a5\u53e3<\/h4>\n<p>**\u63a5\u53e3&#xff08;Interface&#xff09;**\u5b9a\u4e49\u4e86\u4e00\u7ec4\u6210\u5458\u7684\u5951\u7ea6&#xff0c;\u4f46\u4e0d\u63d0\u4f9b\u5b9e\u73b0\u3002\u7c7b\u5b9e\u73b0\u63a5\u53e3\u540e\u5fc5\u987b\u63d0\u4f9b\u6240\u6709\u6210\u5458\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IAnimal<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u63a5\u53e3\u6210\u5458&#xff08;\u9ed8\u8ba4public&#xff09;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Name <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">MakeSound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Move<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9e\u73b0\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Dog<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IAnimal<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Name <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">MakeSound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Name<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u8bf4&#xff1a;\u6c6a\u6c6a\u6c6a&#xff01;&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Move<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Name<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u6b63\u5728\u8dd1\u6b65&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528<\/span><br \/>\n<span class=\"token class-name\">Dog<\/span> dog <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Dog<\/span> <span class=\"token punctuation\">{<\/span> Name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u65fa\u8d22&#034;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\ndog<span class=\"token punctuation\">.<\/span><span class=\"token function\">MakeSound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u65fa\u8d22 \u8bf4&#xff1a;\u6c6a\u6c6a\u6c6a&#xff01;<\/span><br \/>\ndog<span class=\"token punctuation\">.<\/span><span class=\"token function\">Move<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u65fa\u8d22 \u6b63\u5728\u8dd1\u6b65<\/span><\/p>\n<h4>\u63a5\u53e3\u7684\u7279\u70b9<\/h4>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IExample<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u2705 \u53ef\u4ee5\u5305\u542b\u7684\u6210\u5458<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u65b9\u6cd5<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> Property <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span>  <span class=\"token comment\">\/\/ \u5c5e\u6027<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">[<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> index<span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span>  <span class=\"token comment\">\/\/ \u7d22\u5f15\u5668<\/span><br \/>\n    <span class=\"token keyword\">event<\/span> <span class=\"token class-name\">EventHandler<\/span> Event<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u4e8b\u4ef6<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ C# 8.0&#043;&#xff1a;\u9ed8\u8ba4\u5b9e\u73b0<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">DefaultMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u9ed8\u8ba4\u5b9e\u73b0&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ C# 8.0&#043;&#xff1a;\u9759\u6001\u6210\u5458<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">StaticMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u9759\u6001\u65b9\u6cd5&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u274c \u63a5\u53e3\u4e0d\u80fd\u5305\u542b<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8211; \u5b57\u6bb5<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8211; \u6784\u9020\u51fd\u6570<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8211; \u6790\u6784\u51fd\u6570<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8211; \u5b9e\u4f8b\u5b57\u6bb5<\/span><\/p>\n<h4>\u63a5\u53e3\u547d\u540d\u89c4\u8303<\/h4>\n<p><span class=\"token comment\">\/\/ \u2705 \u63a5\u53e3\u540d\u4ee5I\u5f00\u5934&#xff08;\u63a8\u8350&#xff09;<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IComparable<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IDisposable<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IEnumerable<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u63cf\u8ff0\u80fd\u529b\u7684\u63a5\u53e3\u540d<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IReadable<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IWritable<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ISerializable<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u5b9e\u73b0\u63a5\u53e3\u793a\u4f8b<\/h4>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IShape<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Draw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9e\u73b0\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Circle<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IShape<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> Radius <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">Circle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> radius<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Radius <span class=\"token operator\">&#061;<\/span> radius<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> Math<span class=\"token punctuation\">.<\/span>PI <span class=\"token operator\">*<\/span> Radius <span class=\"token operator\">*<\/span> Radius<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> Math<span class=\"token punctuation\">.<\/span>PI <span class=\"token operator\">*<\/span> Radius<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Draw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u7ed8\u5236\u534a\u5f84\u4e3a <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Radius<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u7684\u5706\u5f62&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Rectangle<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IShape<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> Width <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> Height <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">Rectangle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> width<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> height<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Width <span class=\"token operator\">&#061;<\/span> width<span class=\"token punctuation\">;<\/span><br \/>\n        Height <span class=\"token operator\">&#061;<\/span> height<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> Width <span class=\"token operator\">*<\/span> Height<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>Width <span class=\"token operator\">&#043;<\/span> Height<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Draw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u7ed8\u5236 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Width<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u00d7<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Height<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u7684\u77e9\u5f62&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528\u63a5\u53e3<\/span><br \/>\n<span class=\"token class-name\">IShape<\/span> shape1 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Circle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">IShape<\/span> shape2 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Rectangle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u5706\u5f62\u9762\u79ef&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">shape1<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>F2<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u77e9\u5f62\u9762\u79ef&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">shape2<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>F2<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>shape1<span class=\"token punctuation\">.<\/span><span class=\"token function\">Draw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nshape2<span class=\"token punctuation\">.<\/span><span class=\"token function\">Draw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>6.2 \u63a5\u53e3\u7684\u591a\u5b9e\u73b0<\/h3>\n<h4>\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3<\/h4>\n<p>\u4e00\u4e2a\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3&#xff1a;<\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IReadable<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IWritable<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ICloseable<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">File<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IReadable<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IWritable<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ICloseable<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> content <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">bool<\/span><\/span> isOpen <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>isOpen<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u5df2\u5173\u95ed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u8bfb\u53d6\u5185\u5bb9&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">content<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> content<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>isOpen<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u5df2\u5173\u95ed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>content <span class=\"token operator\">&#061;<\/span> content<span class=\"token punctuation\">;<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u5199\u5165\u5185\u5bb9&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">content<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        isOpen <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u5df2\u5173\u95ed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528<\/span><br \/>\n<span class=\"token class-name\">File<\/span> file <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">File<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nfile<span class=\"token punctuation\">.<\/span><span class=\"token function\">Write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Hello, World!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nfile<span class=\"token punctuation\">.<\/span><span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nfile<span class=\"token punctuation\">.<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nfile<span class=\"token punctuation\">.<\/span><span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6587\u4ef6\u5df2\u5173\u95ed<\/span><\/p>\n<h4>\u63a5\u53e3\u7ee7\u627f<\/h4>\n<p>\u63a5\u53e3\u53ef\u4ee5\u7ee7\u627f\u5176\u4ed6\u63a5\u53e3&#xff1a;<\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IAnimal<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Eat<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IMammal<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IAnimal<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">GiveBirth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IPet<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IAnimal<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Owner <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Play<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9e\u73b0\u7ee7\u627f\u7684\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Dog<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IMammal<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IPet<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Owner <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5b9e\u73b0IAnimal<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Eat<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u72d7\u5728\u5403\u4e1c\u897f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5b9e\u73b0IMammal<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">GiveBirth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u72d7\u751f\u5c0f\u72d7&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5b9e\u73b0IPet<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Play<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Owner<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u5728\u548c\u72d7\u73a9\u800d&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u63a5\u53e3\u4f5c\u4e3a\u53c2\u6570<\/h4>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IPayment<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">bool<\/span><\/span> <span class=\"token function\">Pay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">decimal<\/span><\/span> amount<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetPaymentMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CreditCard<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IPayment<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">bool<\/span><\/span> <span class=\"token function\">Pay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">decimal<\/span><\/span> amount<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u4f7f\u7528\u4fe1\u7528\u5361\u652f\u4ed8 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">amount<\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>C<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetPaymentMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u4fe1\u7528\u5361&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Alipay<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IPayment<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">bool<\/span><\/span> <span class=\"token function\">Pay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">decimal<\/span><\/span> amount<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u4f7f\u7528\u652f\u4ed8\u5b9d\u652f\u4ed8 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">amount<\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>C<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetPaymentMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u652f\u4ed8\u5b9d&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u63a5\u53d7\u63a5\u53e3\u4f5c\u4e3a\u53c2\u6570<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PaymentProcessor<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">ProcessPayment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IPayment<\/span> payment<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">decimal<\/span><\/span> amount<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u652f\u4ed8\u65b9\u5f0f&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">payment<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetPaymentMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>payment<span class=\"token punctuation\">.<\/span><span class=\"token function\">Pay<\/span><span class=\"token punctuation\">(<\/span>amount<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u652f\u4ed8\u6210\u529f&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u652f\u4ed8\u5931\u8d25&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528<\/span><br \/>\n<span class=\"token class-name\">PaymentProcessor<\/span> processor <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">PaymentProcessor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nprocessor<span class=\"token punctuation\">.<\/span><span class=\"token function\">ProcessPayment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">CreditCard<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nprocessor<span class=\"token punctuation\">.<\/span><span class=\"token function\">ProcessPayment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Alipay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>6.3 \u663e\u5f0f\u63a5\u53e3\u5b9e\u73b0<\/h3>\n<h4>\u4e3a\u4ec0\u4e48\u9700\u8981\u663e\u5f0f\u5b9e\u73b0<\/h4>\n<p>\u5f53\u7c7b\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3&#xff0c;\u4e14\u63a5\u53e3\u6709\u540c\u540d\u6210\u5458\u65f6&#xff0c;\u4f7f\u7528\u663e\u5f0f\u5b9e\u73b0\u907f\u514d\u51b2\u7a81&#xff1a;<\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IEnglishSpeaker<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Greet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IChineseSpeaker<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Greet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u663e\u5f0f\u63a5\u53e3\u5b9e\u73b0<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Bilingual<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IEnglishSpeaker<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IChineseSpeaker<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u663e\u5f0f\u5b9e\u73b0IEnglishSpeaker.Greet<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> IEnglishSpeaker<span class=\"token punctuation\">.<\/span><span class=\"token function\">Greet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Hello!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u663e\u5f0f\u5b9e\u73b0IChineseSpeaker.Greet<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> IChineseSpeaker<span class=\"token punctuation\">.<\/span><span class=\"token function\">Greet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4f60\u597d&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528\u663e\u5f0f\u5b9e\u73b0<\/span><br \/>\n<span class=\"token class-name\">Bilingual<\/span> person <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Bilingual<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ person.Greet();  \/\/ \u7f16\u8bd1\u9519\u8bef&#xff1a;\u65e0\u6cd5\u76f4\u63a5\u8c03\u7528<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5fc5\u987b\u901a\u8fc7\u63a5\u53e3\u5f15\u7528\u8c03\u7528<\/span><br \/>\n<span class=\"token class-name\">IEnglishSpeaker<\/span> english <span class=\"token operator\">&#061;<\/span> person<span class=\"token punctuation\">;<\/span><br \/>\nenglish<span class=\"token punctuation\">.<\/span><span class=\"token function\">Greet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ Hello!<\/span><\/p>\n<p><span class=\"token class-name\">IChineseSpeaker<\/span> chinese <span class=\"token operator\">&#061;<\/span> person<span class=\"token punctuation\">;<\/span><br \/>\nchinese<span class=\"token punctuation\">.<\/span><span class=\"token function\">Greet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u4f60\u597d&#xff01;<\/span><\/p>\n<h4>\u663e\u5f0f\u5b9e\u73b0\u7684\u7279\u70b9<\/h4>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IExample<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> Property <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyClass<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IExample<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u663e\u5f0f\u5b9e\u73b0\u7684\u6210\u5458<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> IExample<span class=\"token punctuation\">.<\/span><span class=\"token function\">Method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u663e\u5f0f\u5b9e\u73b0\u7684\u65b9\u6cd5&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> IExample<span class=\"token punctuation\">.<\/span>Property <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u663e\u5f0f\u5b9e\u73b0\u7684\u7279\u70b9&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u4e0d\u80fd\u6709\u8bbf\u95ee\u4fee\u9970\u7b26<\/span><br \/>\n    <span class=\"token comment\">\/\/ 2. \u53ea\u80fd\u901a\u8fc7\u63a5\u53e3\u5f15\u7528\u8bbf\u95ee<\/span><br \/>\n    <span class=\"token comment\">\/\/ 3. \u4e0d\u80fd\u662fvirtual\u3001abstract\u6216override<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token class-name\">MyClass<\/span> obj <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">MyClass<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ obj.Method();  \/\/ \u9519\u8bef&#xff1a;\u65e0\u6cd5\u8bbf\u95ee<\/span><\/p>\n<p><span class=\"token class-name\">IExample<\/span> example <span class=\"token operator\">&#061;<\/span> obj<span class=\"token punctuation\">;<\/span><br \/>\nexample<span class=\"token punctuation\">.<\/span><span class=\"token function\">Method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6b63\u786e<\/span><\/p>\n<h4>\u6df7\u5408\u5b9e\u73b0<\/h4>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ILogger<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">LogError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ConsoleLogger<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">ILogger<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9690\u5f0f\u5b9e\u73b0&#xff08;\u516c\u5171\u65b9\u6cd5&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;[INFO] <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">message<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u663e\u5f0f\u5b9e\u73b0&#xff08;\u53ea\u80fd\u901a\u8fc7\u63a5\u53e3\u8bbf\u95ee&#xff09;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> ILogger<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> error<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span>ForegroundColor <span class=\"token operator\">&#061;<\/span> ConsoleColor<span class=\"token punctuation\">.<\/span>Red<span class=\"token punctuation\">;<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;[ERROR] <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">error<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">ResetColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token class-name\">ConsoleLogger<\/span> logger <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ConsoleLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nlogger<span class=\"token punctuation\">.<\/span><span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u666e\u901a\u6d88\u606f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u53ef\u4ee5\u76f4\u63a5\u8c03\u7528<\/span><br \/>\n<span class=\"token comment\">\/\/ logger.LogError(&#034;\u9519\u8bef&#034;);  \/\/ \u9519\u8bef&#xff1a;\u65e0\u6cd5\u8bbf\u95ee<\/span><\/p>\n<p><span class=\"token class-name\">ILogger<\/span> iLogger <span class=\"token operator\">&#061;<\/span> logger<span class=\"token punctuation\">;<\/span><br \/>\niLogger<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u9519\u8bef\u6d88\u606f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5fc5\u987b\u901a\u8fc7\u63a5\u53e3<\/span><\/p>\n<hr \/>\n<h3>6.4 \u63a5\u53e3\u4e0e\u62bd\u8c61\u7c7b\u7684\u533a\u522b<\/h3>\n<h4>\u5bf9\u6bd4\u8868<\/h4>\n<table>\n<tr>\u7279\u6027\u63a5\u53e3\u62bd\u8c61\u7c7b<\/tr>\n<tbody>\n<tr>\n<td>\u7ee7\u627f\u6570\u91cf<\/td>\n<td>\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a<\/td>\n<td>\u53ea\u80fd\u7ee7\u627f\u4e00\u4e2a<\/td>\n<\/tr>\n<tr>\n<td>\u6210\u5458\u5b9e\u73b0<\/td>\n<td>\u9ed8\u8ba4\u65e0\u5b9e\u73b0&#xff08;C# 8.0&#043;\u53ef\u6709\u9ed8\u8ba4\u5b9e\u73b0&#xff09;<\/td>\n<td>\u53ef\u4ee5\u6709\u5b9e\u73b0<\/td>\n<\/tr>\n<tr>\n<td>\u5b57\u6bb5<\/td>\n<td>\u4e0d\u80fd\u6709\u5b57\u6bb5<\/td>\n<td>\u53ef\u4ee5\u6709\u5b57\u6bb5<\/td>\n<\/tr>\n<tr>\n<td>\u6784\u9020\u51fd\u6570<\/td>\n<td>\u4e0d\u80fd\u6709<\/td>\n<td>\u53ef\u4ee5\u6709<\/td>\n<\/tr>\n<tr>\n<td>\u8bbf\u95ee\u4fee\u9970\u7b26<\/td>\n<td>\u6210\u5458\u9ed8\u8ba4public<\/td>\n<td>\u53ef\u4ee5\u6709\u5404\u79cd\u4fee\u9970\u7b26<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u9014<\/td>\n<td>\u5b9a\u4e49\u80fd\u529b\/\u5951\u7ea6<\/td>\n<td>\u5b9a\u4e49&#034;\u662f\u4ec0\u4e48&#034;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u4f7f\u7528\u573a\u666f\u5bf9\u6bd4<\/h4>\n<p><span class=\"token comment\">\/\/ \u63a5\u53e3&#xff1a;\u5b9a\u4e49\u80fd\u529b<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IFlyable<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Fly<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ISwimmable<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Swim<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u7c7b&#xff1a;\u5b9a\u4e49&#034;\u662f\u4ec0\u4e48&#034;<\/span><br \/>\n<span class=\"token keyword\">abstract<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Animal<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Name <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">abstract<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">MakeSound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Name<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u6b63\u5728\u7761\u89c9&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9e1f\u7c7b&#xff1a;\u662f\u52a8\u7269&#xff0c;\u80fd\u98de<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Bird<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">Animal<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IFlyable<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">override<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">MakeSound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u9e1f\u5728\u53eb&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Fly<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Name<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u6b63\u5728\u98de\u7fd4&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9e2d\u5b50&#xff1a;\u662f\u52a8\u7269&#xff0c;\u80fd\u98de\u4e5f\u80fd\u6e38\u6cf3<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Duck<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">Animal<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IFlyable<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ISwimmable<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">override<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">MakeSound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u560e\u560e\u560e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Fly<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Name<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u6b63\u5728\u98de&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Swim<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Name<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u6b63\u5728\u6e38\u6cf3&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u9009\u62e9\u5efa\u8bae<\/h4>\n<p><span class=\"token comment\">\/\/ \u2705 \u4f7f\u7528\u63a5\u53e3\u7684\u573a\u666f<\/span><br \/>\n<span class=\"token comment\">\/\/ 1. \u5b9a\u4e49\u4e0d\u76f8\u5173\u7c7b\u7684\u5171\u540c\u80fd\u529b<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IComparable<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> <span class=\"token function\">CompareTo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">object<\/span><\/span> obj<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u652f\u6301\u591a\u91cd\u7ee7\u627f<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyClass<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">BaseClass<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IInterface1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">IInterface2<\/span><\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u5b9a\u4e49\u5951\u7ea6&#xff0c;\u4e0d\u5173\u5fc3\u5b9e\u73b0<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IRepository<span class=\"token punctuation\">&lt;<\/span>T<span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">T<\/span> item<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\">T<\/span> <span class=\"token function\">GetById<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u2705 \u4f7f\u7528\u62bd\u8c61\u7c7b\u7684\u573a\u666f<\/span><br \/>\n<span class=\"token comment\">\/\/ 1. \u6709\u5171\u540c\u7684\u5b9e\u73b0\u4ee3\u7801<\/span><br \/>\n<span class=\"token keyword\">abstract<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Shape<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Color <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">SetColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> color<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Color <span class=\"token operator\">&#061;<\/span> color<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">abstract<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u9700\u8981\u5b57\u6bb5\u6216\u6784\u9020\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">abstract<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Vehicle<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">protected<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> speed<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">Vehicle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> initialSpeed<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        speed <span class=\"token operator\">&#061;<\/span> initialSpeed<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u5b9a\u4e49\u7c7b\u5c42\u6b21\u7ed3\u6784<\/span><br \/>\n<span class=\"token keyword\">abstract<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Employee<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Name <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">abstract<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">decimal<\/span><\/span> <span class=\"token function\">CalculateSalary<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>6.5 \u5b9e\u6218\u7ec3\u4e60<\/h3>\n<h4>\u7ec3\u4e601&#xff1a;\u56fe\u5f62\u8ba1\u7b97\u5668<\/h4>\n<p>\u8981\u6c42&#xff1a; \u521b\u5efa\u4e00\u4e2a\u56fe\u5f62\u8ba1\u7b97\u5668\u7cfb\u7edf&#xff0c;\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\u5b9a\u4e49 IShape \u63a5\u53e3&#xff0c;\u5305\u542b\u8ba1\u7b97\u9762\u79ef\u548c\u5468\u957f\u7684\u65b9\u6cd5<\/li>\n<li>\u5b9e\u73b0\u591a\u4e2a\u56fe\u5f62\u7c7b&#xff08;\u5706\u5f62\u3001\u77e9\u5f62\u3001\u4e09\u89d2\u5f62&#xff09;<\/li>\n<li>\u521b\u5efa\u56fe\u5f62\u6570\u7ec4\u5e76\u8ba1\u7b97\u603b\u9762\u79ef<\/li>\n<\/ul>\n<p>\u5b8c\u6574\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u56fe\u5f62\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IShape<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5706\u5f62<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Circle<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IShape<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> Radius <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">Circle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> radius<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Radius <span class=\"token operator\">&#061;<\/span> radius<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> Math<span class=\"token punctuation\">.<\/span>PI <span class=\"token operator\">*<\/span> Radius <span class=\"token operator\">*<\/span> Radius<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> Math<span class=\"token punctuation\">.<\/span>PI <span class=\"token operator\">*<\/span> Radius<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u5706\u5f62&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u77e9\u5f62<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Rectangle<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IShape<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> Width <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> Height <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">Rectangle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> width<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> height<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Width <span class=\"token operator\">&#061;<\/span> width<span class=\"token punctuation\">;<\/span><br \/>\n        Height <span class=\"token operator\">&#061;<\/span> height<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> Width <span class=\"token operator\">*<\/span> Height<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>Width <span class=\"token operator\">&#043;<\/span> Height<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u77e9\u5f62&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4e09\u89d2\u5f62<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Triangle<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IShape<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> SideA <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> SideB <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> SideC <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">Triangle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> a<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> c<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        SideA <span class=\"token operator\">&#061;<\/span> a<span class=\"token punctuation\">;<\/span><br \/>\n        SideB <span class=\"token operator\">&#061;<\/span> b<span class=\"token punctuation\">;<\/span><br \/>\n        SideC <span class=\"token operator\">&#061;<\/span> c<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4f7f\u7528\u6d77\u4f26\u516c\u5f0f<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> s <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>SideA <span class=\"token operator\">&#043;<\/span> SideB <span class=\"token operator\">&#043;<\/span> SideC<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">Sqrt<\/span><span class=\"token punctuation\">(<\/span>s <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>s <span class=\"token operator\">&#8211;<\/span> SideA<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>s <span class=\"token operator\">&#8211;<\/span> SideB<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>s <span class=\"token operator\">&#8211;<\/span> SideC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> SideA <span class=\"token operator\">&#043;<\/span> SideB <span class=\"token operator\">&#043;<\/span> SideC<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u4e09\u89d2\u5f62&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u56fe\u5f62\u8ba1\u7b97\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ShapeCalculator<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">DisplayShapeInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IShape<\/span> shape<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\\\\n<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">shape<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u4fe1\u606f&#xff1a;&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;  \u9762\u79ef&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">shape<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>F2<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;  \u5468\u957f&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">shape<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetPerimeter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>F2<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">double<\/span><\/span> <span class=\"token function\">CalculateTotalArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IShape<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> shapes<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> total <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> shapes<span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            total <span class=\"token operator\">&#043;&#061;<\/span> shapes<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> total<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\">IShape<\/span> <span class=\"token function\">FindLargestShape<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IShape<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> shapes<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>shapes<span class=\"token punctuation\">.<\/span>Length <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">IShape<\/span> largest <span class=\"token operator\">&#061;<\/span> shapes<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> maxArea <span class=\"token operator\">&#061;<\/span> shapes<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> shapes<span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> area <span class=\"token operator\">&#061;<\/span> shapes<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>area <span class=\"token operator\">&gt;<\/span> maxArea<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                maxArea <span class=\"token operator\">&#061;<\/span> area<span class=\"token punctuation\">;<\/span><br \/>\n                largest <span class=\"token operator\">&#061;<\/span> shapes<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> largest<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd5\u4ee3\u7801<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061; \u56fe\u5f62\u8ba1\u7b97\u5668\u6d4b\u8bd5 &#061;&#061;&#061;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token class-name\">ShapeCalculator<\/span> calculator <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ShapeCalculator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u521b\u5efa\u56fe\u5f62\u6570\u7ec4<\/span><br \/>\n<span class=\"token class-name\">IShape<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> shapes <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">IShape<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\nshapes<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Circle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nshapes<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Rectangle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nshapes<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Triangle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nshapes<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Circle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u663e\u793a\u6bcf\u4e2a\u56fe\u5f62\u7684\u4fe1\u606f<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> shapes<span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    calculator<span class=\"token punctuation\">.<\/span><span class=\"token function\">DisplayShapeInfo<\/span><span class=\"token punctuation\">(<\/span>shapes<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8ba1\u7b97\u603b\u9762\u79ef<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> totalArea <span class=\"token operator\">&#061;<\/span> calculator<span class=\"token punctuation\">.<\/span><span class=\"token function\">CalculateTotalArea<\/span><span class=\"token punctuation\">(<\/span>shapes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\\\\n\u6240\u6709\u56fe\u5f62\u7684\u603b\u9762\u79ef&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">totalArea<\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>F2<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u627e\u51fa\u6700\u5927\u7684\u56fe\u5f62<\/span><br \/>\n<span class=\"token class-name\">IShape<\/span> largest <span class=\"token operator\">&#061;<\/span> calculator<span class=\"token punctuation\">.<\/span><span class=\"token function\">FindLargestShape<\/span><span class=\"token punctuation\">(<\/span>shapes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\\\\n\u9762\u79ef\u6700\u5927\u7684\u56fe\u5f62&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">largest<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#xff0c;\u9762\u79ef&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">largest<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token format-string\"><span class=\"token punctuation\">:<\/span>F2<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd0\u884c\u793a\u4f8b&#xff1a;<\/p>\n<p>&#061;&#061;&#061; \u56fe\u5f62\u8ba1\u7b97\u5668\u6d4b\u8bd5 &#061;&#061;&#061;<\/p>\n<p>\u5706\u5f62\u4fe1\u606f&#xff1a;<br \/>\n  \u9762\u79ef&#xff1a;78.54<br \/>\n  \u5468\u957f&#xff1a;31.42<\/p>\n<p>\u77e9\u5f62\u4fe1\u606f&#xff1a;<br \/>\n  \u9762\u79ef&#xff1a;24.00<br \/>\n  \u5468\u957f&#xff1a;20.00<\/p>\n<p>\u4e09\u89d2\u5f62\u4fe1\u606f&#xff1a;<br \/>\n  \u9762\u79ef&#xff1a;6.00<br \/>\n  \u5468\u957f&#xff1a;12.00<\/p>\n<p>\u5706\u5f62\u4fe1\u606f&#xff1a;<br \/>\n  \u9762\u79ef&#xff1a;28.27<br \/>\n  \u5468\u957f&#xff1a;18.85<\/p>\n<p>\u6240\u6709\u56fe\u5f62\u7684\u603b\u9762\u79ef&#xff1a;136.81<\/p>\n<p>\u9762\u79ef\u6700\u5927\u7684\u56fe\u5f62&#xff1a;\u5706\u5f62&#xff0c;\u9762\u79ef&#xff1a;78.54<\/p>\n<hr \/>\n<h4>\u7ec3\u4e602&#xff1a;\u6570\u636e\u9a8c\u8bc1\u7cfb\u7edf<\/h4>\n<p>\u8981\u6c42&#xff1a; \u521b\u5efa\u4e00\u4e2a\u6570\u636e\u9a8c\u8bc1\u7cfb\u7edf&#xff0c;\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\u5b9a\u4e49 IValidator \u63a5\u53e3<\/li>\n<li>\u5b9e\u73b0\u591a\u79cd\u9a8c\u8bc1\u5668&#xff08;\u90ae\u7bb1\u9a8c\u8bc1\u3001\u5e74\u9f84\u9a8c\u8bc1\u3001\u7528\u6237\u540d\u9a8c\u8bc1&#xff09;<\/li>\n<li>\u652f\u6301\u6279\u91cf\u9a8c\u8bc1<\/li>\n<\/ul>\n<p>\u5b8c\u6574\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u9a8c\u8bc1\u7ed3\u679c\u7c7b<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ValidationResult<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">bool<\/span><\/span> IsValid <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> ErrorMessage <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">bool<\/span><\/span> isValid<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> errorMessage <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        IsValid <span class=\"token operator\">&#061;<\/span> isValid<span class=\"token punctuation\">;<\/span><br \/>\n        ErrorMessage <span class=\"token operator\">&#061;<\/span> errorMessage<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9a8c\u8bc1\u5668\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IValidator<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\">ValidationResult<\/span> <span class=\"token function\">Validate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetValidatorName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u90ae\u7bb1\u9a8c\u8bc1\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EmailValidator<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IValidator<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\">ValidationResult<\/span> <span class=\"token function\">Validate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">IsNullOrWhiteSpace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">value<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u90ae\u7bb1\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">value<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#064;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u90ae\u7bb1\u683c\u5f0f\u4e0d\u6b63\u786e&#xff0c;\u7f3a\u5c11&#064;\u7b26\u53f7&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> atIndex <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">IndexOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#064;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>atIndex <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">||<\/span> atIndex <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">.<\/span>Length <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u90ae\u7bb1\u683c\u5f0f\u4e0d\u6b63\u786e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetValidatorName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u90ae\u7bb1\u9a8c\u8bc1\u5668&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5e74\u9f84\u9a8c\u8bc1\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AgeValidator<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IValidator<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> minAge<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> maxAge<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">AgeValidator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> minAge<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> maxAge<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>minAge <span class=\"token operator\">&#061;<\/span> minAge<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>maxAge <span class=\"token operator\">&#061;<\/span> maxAge<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\">ValidationResult<\/span> <span class=\"token function\">Validate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">IsNullOrWhiteSpace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">value<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5e74\u9f84\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">TryParse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">value<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">out<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> age<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5e74\u9f84\u5fc5\u987b\u662f\u6570\u5b57&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>age <span class=\"token operator\">&lt;<\/span> minAge <span class=\"token operator\">||<\/span> age <span class=\"token operator\">&gt;<\/span> maxAge<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u5e74\u9f84\u5fc5\u987b\u5728<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">minAge<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#8211;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">maxAge<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u4e4b\u95f4&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetValidatorName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u5e74\u9f84\u9a8c\u8bc1\u5668&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7528\u6237\u540d\u9a8c\u8bc1\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UsernameValidator<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IValidator<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> minLength<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">UsernameValidator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> minLength<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>minLength <span class=\"token operator\">&#061;<\/span> minLength<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\">ValidationResult<\/span> <span class=\"token function\">Validate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">IsNullOrWhiteSpace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">value<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u7528\u6237\u540d\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">value<\/span><span class=\"token punctuation\">.<\/span>Length <span class=\"token operator\">&lt;<\/span> minLength<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u7528\u6237\u540d\u957f\u5ea6\u81f3\u5c11<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">minLength<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u4e2a\u5b57\u7b26&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u5426\u53ea\u5305\u542b\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u4e0b\u5212\u7ebf<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\"><span class=\"token keyword\">char<\/span><\/span> c <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">value<\/span><span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">char<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">IsLetterOrDigit<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> c <span class=\"token operator\">!&#061;<\/span> <span class=\"token char\">&#039;_&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u7528\u6237\u540d\u53ea\u80fd\u5305\u542b\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u4e0b\u5212\u7ebf&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetValidatorName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u7528\u6237\u540d\u9a8c\u8bc1\u5668&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9a8c\u8bc1\u7ba1\u7406\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ValidationManager<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">ValidateAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IValidator<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> validators<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> values<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061; \u5f00\u59cb\u6279\u91cf\u9a8c\u8bc1 &#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> validators<span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u4f7f\u7528 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">validators<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">GetValidatorName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u9a8c\u8bc1&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">values<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">ValidationResult<\/span> result <span class=\"token operator\">&#061;<\/span> validators<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Validate<\/span><span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">.<\/span>IsValid<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;  \u2713 \u9a8c\u8bc1\u901a\u8fc7&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;  \u2717 \u9a8c\u8bc1\u5931\u8d25&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">result<span class=\"token punctuation\">.<\/span>ErrorMessage<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd5\u4ee3\u7801<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061; \u6570\u636e\u9a8c\u8bc1\u7cfb\u7edf\u6d4b\u8bd5 &#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token class-name\">ValidationManager<\/span> manager <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ValidationManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u521b\u5efa\u9a8c\u8bc1\u5668\u6570\u7ec4<\/span><br \/>\n<span class=\"token class-name\">IValidator<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> validators <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">IValidator<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\nvalidators<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">EmailValidator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nvalidators<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">EmailValidator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nvalidators<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">AgeValidator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">18<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nvalidators<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">UsernameValidator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f85\u9a8c\u8bc1\u7684\u6570\u636e<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> testData <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\"><span class=\"token keyword\">string<\/span><\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\ntestData<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;user&#064;example.com&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\ntestData<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;invalid-email&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\ntestData<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;25&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\ntestData<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;ab&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6267\u884c\u9a8c\u8bc1<\/span><br \/>\nmanager<span class=\"token punctuation\">.<\/span><span class=\"token function\">ValidateAll<\/span><span class=\"token punctuation\">(<\/span>validators<span class=\"token punctuation\">,<\/span> testData<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd0\u884c\u793a\u4f8b&#xff1a;<\/p>\n<p>&#061;&#061;&#061; \u6570\u636e\u9a8c\u8bc1\u7cfb\u7edf\u6d4b\u8bd5 &#061;&#061;&#061;<\/p>\n<p>&#061;&#061;&#061; \u5f00\u59cb\u6279\u91cf\u9a8c\u8bc1 &#061;&#061;&#061;<\/p>\n<p>\u4f7f\u7528 \u90ae\u7bb1\u9a8c\u8bc1\u5668 \u9a8c\u8bc1&#xff1a;user&#064;example.com<br \/>\n  \u2713 \u9a8c\u8bc1\u901a\u8fc7<\/p>\n<p>\u4f7f\u7528 \u90ae\u7bb1\u9a8c\u8bc1\u5668 \u9a8c\u8bc1&#xff1a;invalid-email<br \/>\n  \u2717 \u9a8c\u8bc1\u5931\u8d25&#xff1a;\u90ae\u7bb1\u683c\u5f0f\u4e0d\u6b63\u786e&#xff0c;\u7f3a\u5c11&#064;\u7b26\u53f7<\/p>\n<p>\u4f7f\u7528 \u5e74\u9f84\u9a8c\u8bc1\u5668 \u9a8c\u8bc1&#xff1a;25<br \/>\n  \u2713 \u9a8c\u8bc1\u901a\u8fc7<\/p>\n<p>\u4f7f\u7528 \u7528\u6237\u540d\u9a8c\u8bc1\u5668 \u9a8c\u8bc1&#xff1a;ab<br \/>\n  \u2717 \u9a8c\u8bc1\u5931\u8d25&#xff1a;\u7528\u6237\u540d\u957f\u5ea6\u81f3\u5c113\u4e2a\u5b57\u7b26<\/p>\n<hr \/>\n<h4>\u7ec3\u4e603&#xff1a;\u65e5\u5fd7\u8bb0\u5f55\u7cfb\u7edf<\/h4>\n<p>\u8981\u6c42&#xff1a; \u521b\u5efa\u4e00\u4e2a\u65e5\u5fd7\u8bb0\u5f55\u7cfb\u7edf&#xff0c;\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\u5b9a\u4e49 ILogger \u63a5\u53e3<\/li>\n<li>\u5b9e\u73b0\u591a\u79cd\u65e5\u5fd7\u8bb0\u5f55\u5668&#xff08;\u63a7\u5236\u53f0\u3001\u6587\u4ef6\u3001\u7ec4\u5408\u65e5\u5fd7&#xff09;<\/li>\n<li>\u652f\u6301\u4e0d\u540c\u65e5\u5fd7\u7ea7\u522b<\/li>\n<\/ul>\n<p>\u5b8c\u6574\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u65e5\u5fd7\u7ea7\u522b\u679a\u4e3e<\/span><br \/>\n<span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">LogLevel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Info<span class=\"token punctuation\">,<\/span><br \/>\n    Warning<span class=\"token punctuation\">,<\/span><br \/>\n    Error<br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u65e5\u5fd7\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ILogger<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">LogLevel<\/span> level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetLoggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u63a7\u5236\u53f0\u65e5\u5fd7\u8bb0\u5f55\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ConsoleLogger<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">ILogger<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">LogLevel<\/span> level<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> prefix <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">GetLevelPrefix<\/span><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">prefix<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">message<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetLoggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u63a7\u5236\u53f0\u65e5\u5fd7&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetLevelPrefix<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LogLevel<\/span> level<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>level <span class=\"token operator\">&#061;&#061;<\/span> LogLevel<span class=\"token punctuation\">.<\/span>Info<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;[INFO]&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>level <span class=\"token operator\">&#061;&#061;<\/span> LogLevel<span class=\"token punctuation\">.<\/span>Warning<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;[WARNING]&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;[ERROR]&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6587\u4ef6\u65e5\u5fd7\u8bb0\u5f55\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FileLogger<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">ILogger<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> filePath<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">FileLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> filePath<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>filePath <span class=\"token operator\">&#061;<\/span> filePath<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">LogLevel<\/span> level<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> timestamp <span class=\"token operator\">&#061;<\/span> DateTime<span class=\"token punctuation\">.<\/span>Now<span class=\"token punctuation\">.<\/span><span class=\"token function\">ToString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;yyyy-MM-dd HH:mm:ss&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> prefix <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">GetLevelPrefix<\/span><span class=\"token punctuation\">(<\/span>level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> logEntry <span class=\"token operator\">&#061;<\/span> <span class=\"token interpolation-string\"><span class=\"token string\">$&#034;[<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">timestamp<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">] <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">prefix<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">message<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8ffd\u52a0\u5230\u6587\u4ef6<\/span><br \/>\n        File<span class=\"token punctuation\">.<\/span><span class=\"token function\">AppendAllText<\/span><span class=\"token punctuation\">(<\/span>filePath<span class=\"token punctuation\">,<\/span> logEntry <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetLoggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6587\u4ef6\u65e5\u5fd7&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetLevelPrefix<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LogLevel<\/span> level<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>level <span class=\"token operator\">&#061;&#061;<\/span> LogLevel<span class=\"token punctuation\">.<\/span>Info<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;[INFO]&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>level <span class=\"token operator\">&#061;&#061;<\/span> LogLevel<span class=\"token punctuation\">.<\/span>Warning<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;[WARNING]&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;[ERROR]&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7ec4\u5408\u65e5\u5fd7\u8bb0\u5f55\u5668&#xff08;\u540c\u65f6\u8bb0\u5f55\u5230\u591a\u4e2a\u76ee\u6807&#xff09;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CompositeLogger<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">ILogger<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">ILogger<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> loggers<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">CompositeLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ILogger<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> loggers<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>loggers <span class=\"token operator\">&#061;<\/span> loggers<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">LogLevel<\/span> level<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> loggers<span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            loggers<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> level<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> <span class=\"token function\">GetLoggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u7ec4\u5408\u65e5\u5fd7&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u65e5\u5fd7\u7ba1\u7406\u5668<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LogManager<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">ILogger<\/span> logger<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">LogManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ILogger<\/span> logger<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>logger <span class=\"token operator\">&#061;<\/span> logger<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">LogInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token punctuation\">.<\/span>Info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">LogWarning<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token punctuation\">.<\/span>Warning<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">LogError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">Log<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> LogLevel<span class=\"token punctuation\">.<\/span>Error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">DisplayLoggerInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u5f53\u524d\u4f7f\u7528\u7684\u65e5\u5fd7\u8bb0\u5f55\u5668&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetLoggerName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd5\u4ee3\u7801<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061; \u65e5\u5fd7\u8bb0\u5f55\u7cfb\u7edf\u6d4b\u8bd5 &#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd51&#xff1a;\u4f7f\u7528\u63a7\u5236\u53f0\u65e5\u5fd7<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212; \u6d4b\u8bd51&#xff1a;\u63a7\u5236\u53f0\u65e5\u5fd7 &#8212;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">ILogger<\/span> consoleLogger <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ConsoleLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">LogManager<\/span> manager1 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">LogManager<\/span><span class=\"token punctuation\">(<\/span>consoleLogger<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager1<span class=\"token punctuation\">.<\/span><span class=\"token function\">DisplayLoggerInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager1<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager1<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogWarning<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u914d\u7f6e\u6587\u4ef6\u672a\u627e\u5230&#xff0c;\u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager1<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd52&#xff1a;\u4f7f\u7528\u6587\u4ef6\u65e5\u5fd7<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#8212; \u6d4b\u8bd52&#xff1a;\u6587\u4ef6\u65e5\u5fd7 &#8212;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> logFile <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;app.log&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">ILogger<\/span> fileLogger <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">FileLogger<\/span><span class=\"token punctuation\">(<\/span>logFile<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">LogManager<\/span> manager2 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">LogManager<\/span><span class=\"token punctuation\">(<\/span>fileLogger<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager2<span class=\"token punctuation\">.<\/span><span class=\"token function\">DisplayLoggerInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager2<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u767b\u5f55\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager2<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogWarning<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u65e5\u5fd7\u5df2\u5199\u5165\u6587\u4ef6&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">logFile<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd53&#xff1a;\u4f7f\u7528\u7ec4\u5408\u65e5\u5fd7&#xff08;\u540c\u65f6\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u548c\u6587\u4ef6&#xff09;<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#8212; \u6d4b\u8bd53&#xff1a;\u7ec4\u5408\u65e5\u5fd7 &#8212;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">ILogger<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> loggerArray <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ILogger<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\nloggerArray<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ConsoleLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nloggerArray<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">FileLogger<\/span><span class=\"token punctuation\">(<\/span>logFile<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">ILogger<\/span> compositeLogger <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">CompositeLogger<\/span><span class=\"token punctuation\">(<\/span>loggerArray<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">LogManager<\/span> manager3 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">LogManager<\/span><span class=\"token punctuation\">(<\/span>compositeLogger<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager3<span class=\"token punctuation\">.<\/span><span class=\"token function\">DisplayLoggerInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager3<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8ba2\u5355\u521b\u5efa\u6210\u529f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nmanager3<span class=\"token punctuation\">.<\/span><span class=\"token function\">LogError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u652f\u4ed8\u5904\u7406\u5931\u8d25&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd0\u884c\u793a\u4f8b&#xff1a;<\/p>\n<p>&#061;&#061;&#061; \u65e5\u5fd7\u8bb0\u5f55\u7cfb\u7edf\u6d4b\u8bd5 &#061;&#061;&#061;<\/p>\n<p>&#8212; \u6d4b\u8bd51&#xff1a;\u63a7\u5236\u53f0\u65e5\u5fd7 &#8212;<br \/>\n\u5f53\u524d\u4f7f\u7528\u7684\u65e5\u5fd7\u8bb0\u5f55\u5668&#xff1a;\u63a7\u5236\u53f0\u65e5\u5fd7<br \/>\n[INFO] \u5e94\u7528\u7a0b\u5e8f\u542f\u52a8<br \/>\n[WARNING] \u914d\u7f6e\u6587\u4ef6\u672a\u627e\u5230&#xff0c;\u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e<br \/>\n[ERROR] \u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25<\/p>\n<p>&#8212; \u6d4b\u8bd52&#xff1a;\u6587\u4ef6\u65e5\u5fd7 &#8212;<br \/>\n\u5f53\u524d\u4f7f\u7528\u7684\u65e5\u5fd7\u8bb0\u5f55\u5668&#xff1a;\u6587\u4ef6\u65e5\u5fd7<br \/>\n\u65e5\u5fd7\u5df2\u5199\u5165\u6587\u4ef6&#xff1a;app.log<\/p>\n<p>&#8212; \u6d4b\u8bd53&#xff1a;\u7ec4\u5408\u65e5\u5fd7 &#8212;<br \/>\n\u5f53\u524d\u4f7f\u7528\u7684\u65e5\u5fd7\u8bb0\u5f55\u5668&#xff1a;\u7ec4\u5408\u65e5\u5fd7<br \/>\n[INFO] \u8ba2\u5355\u521b\u5efa\u6210\u529f<br \/>\n[ERROR] \u652f\u4ed8\u5904\u7406\u5931\u8d25<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c6\u7ae0 \u63a5\u53e3\u4e0e\u62bd\u8c61<br \/>\n\u7ae0\u8282\u6458\u8981<br \/>\n\u672c\u7ae0\u5b66\u4e60\u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b0\u3001\u63a5\u53e3\u7684\u591a\u5b9e\u73b0\u548c\u7ee7\u627f\u3001\u663e\u5f0f\u63a5\u53e3\u5b9e\u73b0\u7684\u4f7f\u7528\u573a\u666f\u3001\u63a5\u53e3\u4e0e\u62bd\u8c61\u7c7b\u7684\u533a\u522b\u548c\u9009\u62e9&#xff0c;\u901a\u8fc7\u5b9e\u6218\u9879\u76ee\u638c\u63e1\u63a5\u53e3\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u5e94\u7528&#xff0c;\u4e3a\u6784\u5efa\u677e\u8026\u5408\u3001\u53ef\u6269\u5c55\u7684\u5e94\u7528\u7a0b\u5e8f\u5960\u5b9a\u57fa\u7840\u3002<br \/>\n\u672c\u7ae0\u76ee\u5f55<br \/>\n6.1 \u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b06.2 \u63a5\u53e3\u7684\u591a\u5b9e\u73b06.3 \u663e\u5f0f\u63a5\u53e3\u5b9e\u73b06.4 \u63a5\u53e3\u4e0e\u62bd\u8c61\u7c7b\u7684\u533a\u522b6.5 \u5b9e\u6218\u7ec3\u4e60 6.1 \u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b0<br \/>\n\u4ec0\u4e48\u662f\u63a5\u53e3<br \/>\n**\u63a5\u53e3&#xff08;Interface&#xff09;**\u5b9a\u4e49\u4e86\u4e00\u7ec4\u6210\u5458<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10149,10153,10152,10150,10151],"topic":[],"class_list":["post-89514","post","type-post","status-publish","format-standard","hentry","category-server","tag-cinterface","tag-10153","tag-vs","tag-10150","tag-10151"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7b2c06\u7ae0-\u63a5\u53e3\u4e0e\u62bd\u8c61 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/89514.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7b2c06\u7ae0-\u63a5\u53e3\u4e0e\u62bd\u8c61 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u7b2c6\u7ae0 \u63a5\u53e3\u4e0e\u62bd\u8c61 \u7ae0\u8282\u6458\u8981 \u672c\u7ae0\u5b66\u4e60\u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b0\u3001\u63a5\u53e3\u7684\u591a\u5b9e\u73b0\u548c\u7ee7\u627f\u3001\u663e\u5f0f\u63a5\u53e3\u5b9e\u73b0\u7684\u4f7f\u7528\u573a\u666f\u3001\u63a5\u53e3\u4e0e\u62bd\u8c61\u7c7b\u7684\u533a\u522b\u548c\u9009\u62e9&#xff0c;\u901a\u8fc7\u5b9e\u6218\u9879\u76ee\u638c\u63e1\u63a5\u53e3\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u5e94\u7528&#xff0c;\u4e3a\u6784\u5efa\u677e\u8026\u5408\u3001\u53ef\u6269\u5c55\u7684\u5e94\u7528\u7a0b\u5e8f\u5960\u5b9a\u57fa\u7840\u3002 \u672c\u7ae0\u76ee\u5f55 6.1 \u63a5\u53e3\u7684\u5b9a\u4e49\u4e0e\u5b9e\u73b06.2 \u63a5\u53e3\u7684\u591a\u5b9e\u73b06.3 \u663e\u5f0f\u63a5\u53e3\u5b9e\u73b06.4 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