{"id":78188,"date":"2026-02-26T14:34:21","date_gmt":"2026-02-26T06:34:21","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/78188.html"},"modified":"2026-02-26T14:34:21","modified_gmt":"2026-02-26T06:34:21","slug":"c%e6%a0%b8%e5%bf%83%e7%9f%a5%e8%af%86%e7%82%b9%e7%b3%bb%e7%bb%9f%e6%a2%b3%e7%90%86%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0%e8%bf%9b%e9%98%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/78188.html","title":{"rendered":"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636"},"content":{"rendered":"<h3>\u4e00\u3001C# \u57fa\u7840\u8bed\u6cd5<\/h3>\n<h4>1. \u53d8\u91cf\u4e0e\u7c7b\u578b<\/h4>\n<ul>\n<li>\u53d8\u91cf&#xff1a;\u7a0b\u5e8f\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668&#xff0c;\u58f0\u660e\u683c\u5f0f&#xff1a;\u7c7b\u578b \u53d8\u91cf\u540d [&#061; \u521d\u59cb\u503c];<\/li>\n<li>\u57fa\u672c\u7c7b\u578b&#xff1a;C#\u662f\u5f3a\u7c7b\u578b\u8bed\u8a00&#xff0c;\u53d8\u91cf\u5fc5\u987b\u6307\u5b9a\u7c7b\u578b&#xff0c;\u6838\u5fc3\u5185\u7f6e\u7c7b\u578b\u5982\u4e0b&#xff1a;<\/li>\n<\/ul>\n<table>\n<tr>\u7c7b\u578b\u8bf4\u660e\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td>int<\/td>\n<td>\u6574\u6570&#xff08;32\u4f4d&#xff09;<\/td>\n<td>int age &#061; 20;<\/td>\n<\/tr>\n<tr>\n<td>string<\/td>\n<td>\u5b57\u7b26\u4e32<\/td>\n<td>string name &#061; &#034;\u5f20\u4e09&#034;;<\/td>\n<\/tr>\n<tr>\n<td>double<\/td>\n<td>\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570<\/td>\n<td>double score &#061; 95.5;<\/td>\n<\/tr>\n<tr>\n<td>bool<\/td>\n<td>\u5e03\u5c14\u503c&#xff08;true\/false&#xff09;<\/td>\n<td>bool isPass &#061; true;<\/td>\n<\/tr>\n<tr>\n<td>char<\/td>\n<td>\u5355\u4e2a\u5b57\u7b26<\/td>\n<td>char c &#061; &#039;A&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u793a\u4f8b\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u53d8\u91cf\u58f0\u660e\u4e0e\u8d4b\u503c<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> num1 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> num2<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5148\u58f0\u660e&#xff0c;\u540e\u8d4b\u503c<\/span><br \/>\nnum2 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">double<\/span><\/span> pi <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3.1415926<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">bool<\/span><\/span> isStudent <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>2. \u5b57\u7b26\u4e32<\/h4>\n<p>\u5b57\u7b26\u4e32\u662fstring\u7c7b\u578b&#xff08;\u5f15\u7528\u7c7b\u578b&#xff09;&#xff0c;C#\u63d0\u4f9b\u4e30\u5bcc\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u65b9\u6cd5&#xff1a;<\/p>\n<p>\u6838\u5fc3\u64cd\u4f5c\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> str1 <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Hello&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> str2 <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;World&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u62fc\u63a5<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> str3 <span class=\"token operator\">&#061;<\/span> str1 <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; &#034;<\/span> <span class=\"token operator\">&#043;<\/span> str2<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Hello World<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> str4 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">string<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;{0} {1}&#034;<\/span><span class=\"token punctuation\">,<\/span> str1<span class=\"token punctuation\">,<\/span> str2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u683c\u5f0f\u5316\u62fc\u63a5<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> str5 <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\">str1<\/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\">str2<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u63d2\u503c\u62fc\u63a5&#xff08;\u63a8\u8350&#xff09;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5e38\u7528\u65b9\u6cd5<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">bool<\/span><\/span> isEmpty <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">string<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">IsNullOrEmpty<\/span><span class=\"token punctuation\">(<\/span>str1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u4e3a\u7a7a\/Null<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> length <span class=\"token operator\">&#061;<\/span> str1<span class=\"token punctuation\">.<\/span>Length<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u83b7\u53d6\u957f\u5ea6&#xff1a;5<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> upperStr <span class=\"token operator\">&#061;<\/span> str1<span class=\"token punctuation\">.<\/span><span class=\"token function\">ToUpper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f6c\u5927\u5199&#xff1a;HELLO<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> subStr <span class=\"token operator\">&#061;<\/span> str3<span class=\"token punctuation\">.<\/span><span class=\"token function\">Substring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u622a\u53d6\u5b50\u4e32&#xff1a;Hello<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">bool<\/span><\/span> contains <span class=\"token operator\">&#061;<\/span> str3<span class=\"token punctuation\">.<\/span><span class=\"token function\">Contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;World&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u662f\u5426\u5305\u542b&#xff1a;true<\/span><\/p>\n<h4>3. \u6570\u7ec4<\/h4>\n<p>\u6570\u7ec4\u662f\u56fa\u5b9a\u957f\u5ea6\u7684\u540c\u7c7b\u578b\u6570\u636e\u96c6\u5408&#xff0c;\u58f0\u660e\u683c\u5f0f&#xff1a;\u7c7b\u578b[] \u6570\u7ec4\u540d &#061; new \u7c7b\u578b[\u957f\u5ea6];<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u6570\u7ec4\u58f0\u660e\u4e0e\u521d\u59cb\u5316<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> nums1 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\"><span class=\"token keyword\">int<\/span><\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u957f\u5ea6\u4e3a3\u7684int\u6570\u7ec4&#xff0c;\u9ed8\u8ba4\u503c0<\/span><br \/>\nnums1<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 number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnums1<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 number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnums1<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 number\">3<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/span> nums2 <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">30<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u76f4\u63a5\u521d\u59cb\u5316&#xff08;\u957f\u5ea6\u81ea\u52a8\u4e3a3&#xff09;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u904d\u5386\u6570\u7ec4<\/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> nums2<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>nums2<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa10\u300120\u300130<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u589e\u5f3afor\u5faa\u73af<\/span><br \/>\n<span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> num <span class=\"token keyword\">in<\/span> nums2<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>num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4. \u96c6\u5408 List\u3001Dictionary<\/h4>\n<p>\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a&#xff0c;\u96c6\u5408\u662f\u52a8\u6001\u957f\u5ea6\u7684\u5bb9\u5668&#xff0c;\u66f4\u5e38\u7528&#xff1a;<\/p>\n<ul>\n<li>List&#xff1a;\u52a8\u6001\u6570\u7ec4&#xff0c;\u5b58\u50a8\u540c\u7c7b\u578b\u5143\u7d20&#xff0c;\u53ef\u589e\u5220\u6539\u67e5&#xff1b;<\/li>\n<li>Dictionary&lt;K, V&gt;&#xff1a;\u952e\u503c\u5bf9\u96c6\u5408&#xff0c;\u901a\u8fc7\u552f\u4e00\u952e&#xff08;K&#xff09;\u67e5\u627e\u503c&#xff08;V&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ List&lt;T&gt; \u793a\u4f8b<\/span><br \/>\n<span class=\"token class-name\">List<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> names <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">List<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnames<span class=\"token punctuation\">.<\/span><span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5143\u7d20<\/span><br \/>\nnames<span class=\"token punctuation\">.<\/span><span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u674e\u56db&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nnames<span class=\"token punctuation\">.<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u674e\u56db&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5220\u9664\u5143\u7d20<\/span><br \/>\nnames<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;\u738b\u4e94&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4fee\u6539\u5143\u7d20<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u904d\u5386List<\/span><br \/>\n<span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> name <span class=\"token keyword\">in<\/span> names<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>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa\u738b\u4e94<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Dictionary&lt;K, V&gt; \u793a\u4f8b<\/span><br \/>\n<span class=\"token class-name\">Dictionary<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> student <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Dictionary<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstudent<span class=\"token punctuation\">.<\/span><span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">101<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6dfb\u52a0\u952e\u503c\u5bf9&#xff08;\u952e101&#xff0c;\u503c\u5f20\u4e09&#xff09;<\/span><br \/>\nstudent<span class=\"token punctuation\">[<\/span><span class=\"token number\">102<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u674e\u56db&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u53e6\u4e00\u79cd\u6dfb\u52a0\u65b9\u5f0f<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u904d\u5386Dictionary<\/span><br \/>\n<span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">KeyValuePair<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> kv <span class=\"token keyword\">in<\/span> student<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;\u5b66\u53f7&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">kv<span class=\"token punctuation\">.<\/span>Key<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#xff0c;\u59d3\u540d&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">kv<span class=\"token punctuation\">.<\/span>Value<\/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\">\/\/ \u901a\u8fc7\u952e\u53d6\u503c<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> name101 <span class=\"token operator\">&#061;<\/span> student<span class=\"token punctuation\">[<\/span><span class=\"token number\">101<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f20\u4e09<\/span><\/p>\n<h4>5. \u5faa\u73af\u3001\u5224\u65ad<\/h4>\n<h5>&#xff08;1&#xff09;\u5224\u65ad\u8bed\u53e5<\/h5>\n<ul>\n<li>if\/else&#xff1a;\u6761\u4ef6\u5224\u65ad&#xff1b;<\/li>\n<li>switch&#xff1a;\u591a\u5206\u652f\u5224\u65ad\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> score <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">85<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ if\/else<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>score <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">90<\/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;\u4f18\u79c0&#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> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>score <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">80<\/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;\u826f\u597d&#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;\u53ca\u683c&#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\">\/\/ switch<\/span><br \/>\n<span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>score <span class=\"token operator\">\/<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token number\">9<\/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;\u4f18\u79c0&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token number\">8<\/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;\u826f\u597d&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">default<\/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;\u53ca\u683c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>&#xff08;2&#xff09;\u5faa\u73af\u8bed\u53e5<\/h5>\n<ul>\n<li>for&#xff1a;\u5df2\u77e5\u5faa\u73af\u6b21\u6570&#xff1b;<\/li>\n<li>while&#xff1a;\u672a\u77e5\u5faa\u73af\u6b21\u6570&#xff0c;\u5148\u5224\u65ad\u540e\u6267\u884c&#xff1b;<\/li>\n<li>do-while&#xff1a;\u672a\u77e5\u5faa\u73af\u6b21\u6570&#xff0c;\u5148\u6267\u884c\u540e\u5224\u65ad&#xff1b;<\/li>\n<li>foreach&#xff1a;\u904d\u5386\u96c6\u5408\/\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ for\u5faa\u73af<\/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 number\">5<\/span><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>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 0-4<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ while\u5faa\u73af<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>j <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/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>j<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 0-4<\/span><br \/>\n    j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ do-while\u5faa\u73af<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> k <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">do<\/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>k<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 0-4<\/span><br \/>\n    k<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>k <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>6. \u5f02\u5e38 try-catch<\/h4>\n<p>\u6355\u83b7\u7a0b\u5e8f\u8fd0\u884c\u65f6\u7684\u9519\u8bef&#xff0c;\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83&#xff0c;\u6838\u5fc3\u7ed3\u6784&#xff1a;try&#xff08;\u53ef\u80fd\u51fa\u9519\u7684\u4ee3\u7801&#xff09;&#043; catch&#xff08;\u6355\u83b7\u5f02\u5e38&#xff09;&#043; finally&#xff08;\u65e0\u8bba\u662f\u5426\u51fa\u9519\u90fd\u6267\u884c&#xff09;\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">try<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> a <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> b <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> c <span class=\"token operator\">&#061;<\/span> a <span class=\"token operator\">\/<\/span> b<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9664\u6570\u4e3a0&#xff0c;\u629b\u51fa\u5f02\u5e38<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">DivideByZeroException<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u6355\u83b7\u7279\u5b9a\u5f02\u5e38<\/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\">$&#034;\u9519\u8bef&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">ex<span class=\"token punctuation\">.<\/span>Message<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa\u5f02\u5e38\u4fe1\u606f<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u6355\u83b7\u6240\u6709\u5f02\u5e38&#xff08;\u515c\u5e95&#xff09;<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u672a\u77e5\u9519\u8bef&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">ex<span class=\"token punctuation\">.<\/span>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><br \/>\n<span class=\"token keyword\">finally<\/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;\u65e0\u8bba\u662f\u5426\u51fa\u9519&#xff0c;\u6211\u90fd\u4f1a\u6267\u884c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>7. \u547d\u540d\u7a7a\u95f4\u3001\u7c7b\u3001\u5bf9\u8c61\u3001\u6784\u9020\u51fd\u6570<\/h4>\n<h5>&#xff08;1&#xff09;\u547d\u540d\u7a7a\u95f4&#xff08;namespace&#xff09;<\/h5>\n<p>\u7528\u4e8e\u7ec4\u7ec7\u4ee3\u7801&#xff0c;\u907f\u514d\u7c7b\u540d\u51b2\u7a81&#xff0c;\u683c\u5f0f&#xff1a;namespace \u547d\u540d\u7a7a\u95f4\u540d { &#8230; }&#xff0c;\u4f7f\u7528\u65f6\u9700using \u547d\u540d\u7a7a\u95f4\u540d;\u3002<\/p>\n<h5>&#xff08;2&#xff09;\u7c7b\u4e0e\u5bf9\u8c61<\/h5>\n<ul>\n<li>\u7c7b&#xff1a;\u6570\u636e\u548c\u65b9\u6cd5\u7684\u96c6\u5408&#xff0c;\u662f\u5bf9\u8c61\u7684\u201c\u6a21\u677f\u201d&#xff1b;<\/li>\n<li>\u5bf9\u8c61&#xff1a;\u7c7b\u7684\u5b9e\u4f8b&#xff0c;\u901a\u8fc7new\u521b\u5efa\u3002<\/li>\n<\/ul>\n<h5>&#xff08;3&#xff09;\u6784\u9020\u51fd\u6570<\/h5>\n<p>\u4e0e\u7c7b\u540d\u76f8\u540c\u3001\u65e0\u8fd4\u56de\u503c\u7684\u65b9\u6cd5&#xff0c;\u521b\u5efa\u5bf9\u8c61\u65f6\u81ea\u52a8\u6267\u884c&#xff0c;\u7528\u4e8e\u521d\u59cb\u5316\u5bf9\u8c61\u5c5e\u6027\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u547d\u540d\u7a7a\u95f4<\/span><br \/>\n<span class=\"token keyword\">namespace<\/span> <span class=\"token namespace\">MyApp<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7c7b<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Person<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5b57\u6bb5<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> Name<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> Age<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u65e0\u53c2\u6784\u9020\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token function\">Person<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u9ed8\u8ba4\u59d3\u540d&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            Age <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6709\u53c2\u6784\u9020\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token function\">Person<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> name<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> age<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            Name <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">;<\/span><br \/>\n            Age <span class=\"token operator\">&#061;<\/span> age<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u65b9\u6cd5<\/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\">SayHello<\/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;\u5927\u5bb6\u597d&#xff0c;\u6211\u662f<\/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\">&#xff0c;\u4eca\u5e74<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Age<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u5c81&#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\">Program<\/span><br \/>\n    <span class=\"token punctuation\">{<\/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\">Main<\/span><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> args<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521b\u5efa\u5bf9\u8c61&#xff08;\u8c03\u7528\u65e0\u53c2\u6784\u9020&#xff09;<\/span><br \/>\n            <span class=\"token class-name\">Person<\/span> p1 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Person<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            p1<span class=\"token punctuation\">.<\/span><span class=\"token function\">SayHello<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;\u5927\u5bb6\u597d&#xff0c;\u6211\u662f\u9ed8\u8ba4\u59d3\u540d&#xff0c;\u4eca\u5e740\u5c81<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u521b\u5efa\u5bf9\u8c61&#xff08;\u8c03\u7528\u6709\u53c2\u6784\u9020&#xff09;<\/span><br \/>\n            <span class=\"token class-name\">Person<\/span> p2 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Person<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            p2<span class=\"token punctuation\">.<\/span><span class=\"token function\">SayHello<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;\u5927\u5bb6\u597d&#xff0c;\u6211\u662f\u5f20\u4e09&#xff0c;\u4eca\u5e7420\u5c81<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>8. \u503c\u7c7b\u578b vs \u5f15\u7528\u7c7b\u578b<\/h4>\n<p>C#\u6570\u636e\u7c7b\u578b\u5206\u4e3a\u4e24\u7c7b&#xff0c;\u6838\u5fc3\u533a\u522b\u662f\u5b58\u50a8\u4f4d\u7f6e\u548c\u8d4b\u503c\u65b9\u5f0f&#xff1a;<\/p>\n<table>\n<tr>\u7c7b\u578b\u5b58\u50a8\u4f4d\u7f6e\u8d4b\u503c\u65b9\u5f0f\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td>\u503c\u7c7b\u578b<\/td>\n<td>\u6808&#xff08;Stack&#xff09;<\/td>\n<td>\u590d\u5236\u503c&#xff08;\u72ec\u7acb\u5b58\u50a8&#xff09;<\/td>\n<td>int\u3001bool\u3001struct\u3001enum<\/td>\n<\/tr>\n<tr>\n<td>\u5f15\u7528\u7c7b\u578b<\/td>\n<td>\u5806&#xff08;Heap&#xff09;<\/td>\n<td>\u590d\u5236\u5f15\u7528&#xff08;\u6307\u5411\u540c\u4e00\u5bf9\u8c61&#xff09;<\/td>\n<td>string\u3001\u6570\u7ec4\u3001\u7c7b\u3001List\u3001Dictionary<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u793a\u4f8b\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u503c\u7c7b\u578b\u793a\u4f8b<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> a <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> b <span class=\"token operator\">&#061;<\/span> a<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u590d\u5236\u503c&#xff0c;b&#061;10<\/span><br \/>\nb <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">;<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa10&#xff08;a\u4e0d\u53d7b\u5f71\u54cd&#xff09;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f15\u7528\u7c7b\u578b\u793a\u4f8b<\/span><br \/>\n<span class=\"token class-name\">List<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> list1 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">List<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">List<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> list2 <span class=\"token operator\">&#061;<\/span> list1<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u590d\u5236\u5f15\u7528&#xff0c;\u6307\u5411\u540c\u4e00\u4e2aList<\/span><br \/>\nlist2<span class=\"token punctuation\">.<\/span><span class=\"token function\">Add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/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>list1<span class=\"token punctuation\">.<\/span>Count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa3&#xff08;list1\u88ab\u4fee\u6539&#xff09;<\/span><\/p>\n<h4>9. \u679a\u4e3e enum\u3001\u7ed3\u6784\u4f53 struct<\/h4>\n<h5>&#xff08;1&#xff09;\u679a\u4e3e&#xff08;enum&#xff09;<\/h5>\n<p>\u7528\u4e8e\u5b9a\u4e49\u4e00\u7ec4\u547d\u540d\u7684\u5e38\u91cf&#xff0c;\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u679a\u4e3e<\/span><br \/>\n<span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">WeekDay<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Monday<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u503c0<\/span><br \/>\n    Tuesday<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ 1<\/span><br \/>\n    Wednesday <span class=\"token comment\">\/\/ 2<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528\u679a\u4e3e<\/span><br \/>\n<span class=\"token class-name\">WeekDay<\/span> today <span class=\"token operator\">&#061;<\/span> WeekDay<span class=\"token punctuation\">.<\/span>Tuesday<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>today <span class=\"token operator\">&#061;&#061;<\/span> WeekDay<span class=\"token punctuation\">.<\/span>Tuesday<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;\u4eca\u5929\u662f\u5468\u4e8c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/\/ \u679a\u4e3e\u8f6c\u5b57\u7b26\u4e32<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> dayStr <span class=\"token operator\">&#061;<\/span> today<span class=\"token punctuation\">.<\/span><span class=\"token function\">ToString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Tuesday<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5b57\u7b26\u4e32\u8f6c\u679a\u4e3e<\/span><br \/>\n<span class=\"token class-name\">WeekDay<\/span> day <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>WeekDay<span class=\"token punctuation\">)<\/span>Enum<span class=\"token punctuation\">.<\/span><span class=\"token function\">Parse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">typeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token type-expression class-name\">WeekDay<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Wednesday&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>&#xff08;2&#xff09;\u7ed3\u6784\u4f53&#xff08;struct&#xff09;<\/h5>\n<p>\u8f7b\u91cf\u7ea7\u7684\u81ea\u5b9a\u4e49\u503c\u7c7b\u578b&#xff0c;\u9002\u5408\u5b58\u50a8\u5c11\u91cf\u6570\u636e&#xff08;\u5982\u5750\u6807\u3001\u989c\u8272&#xff09;&#xff0c;\u4e0e\u7c7b\u7684\u6838\u5fc3\u533a\u522b&#xff1a;struct\u662f\u503c\u7c7b\u578b&#xff0c;class\u662f\u5f15\u7528\u7c7b\u578b\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u7ed3\u6784\u4f53<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">Point<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> X<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> Y<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed3\u6784\u4f53\u6784\u9020\u51fd\u6570&#xff08;\u5fc5\u987b\u4e3a\u6240\u6709\u5b57\u6bb5\u8d4b\u503c&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token function\">Point<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> x<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> y<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        X <span class=\"token operator\">&#061;<\/span> x<span class=\"token punctuation\">;<\/span><br \/>\n        Y <span class=\"token operator\">&#061;<\/span> y<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed3\u6784\u4f53\u65b9\u6cd5<\/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\">Show<\/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;\u5750\u6807&#xff1a;(<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">X<\/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\">Y<\/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\">\/\/ \u4f7f\u7528\u7ed3\u6784\u4f53<\/span><br \/>\n<span class=\"token class-name\">Point<\/span> p <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Point<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\np<span class=\"token punctuation\">.<\/span><span class=\"token function\">Show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;\u5750\u6807&#xff1a;(10, 20)<\/span><\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u9762\u5411\u5bf9\u8c61 OOP<\/h3>\n<h4>1. \u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001&#xff08;OOP\u4e09\u5927\u7279\u6027&#xff09;<\/h4>\n<h5>&#xff08;1&#xff09;\u5c01\u88c5<\/h5>\n<p>\u9690\u85cf\u5bf9\u8c61\u7684\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282&#xff0c;\u4ec5\u901a\u8fc7\u516c\u5f00\u65b9\u6cd5\/\u5c5e\u6027\u66b4\u9732\u5fc5\u8981\u529f\u80fd&#xff0c;\u6838\u5fc3\u662f\u8bbf\u95ee\u4fee\u9970\u7b26&#043;\u5c5e\u6027\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Person<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u79c1\u6709\u5b57\u6bb5&#xff08;\u9690\u85cf\u7ec6\u8282&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> _name<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> _age<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u516c\u5171\u5c5e\u6027&#xff08;\u66b4\u9732\u8bbf\u95ee\u63a5\u53e3&#xff0c;\u53ef\u6dfb\u52a0\u6821\u9a8c\u903b\u8f91&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">string<\/span><\/span> Name<br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">get<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _name<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">set<\/span> <span class=\"token punctuation\">{<\/span> _name <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">value<\/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\">int<\/span><\/span> Age<br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">get<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _age<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">set<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5c01\u88c5\u6821\u9a8c\u903b\u8f91<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">value<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">||<\/span> <span class=\"token keyword\">value<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">150<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ArgumentException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e74\u9f84\u65e0\u6548&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _age <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">value<\/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\">\/\/ \u516c\u5171\u65b9\u6cd5&#xff08;\u66b4\u9732\u529f\u80fd&#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\">SayHello<\/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;\u6211\u662f<\/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\">&#xff0c;\u4eca\u5e74<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">_age<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u5c81&#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<h5>&#xff08;2&#xff09;\u7ee7\u627f<\/h5>\n<p>\u5141\u8bb8\u4e00\u4e2a\u7c7b&#xff08;\u5b50\u7c7b\/\u6d3e\u751f\u7c7b&#xff09;\u7ee7\u627f\u53e6\u4e00\u4e2a\u7c7b&#xff08;\u7236\u7c7b\/\u57fa\u7c7b&#xff09;\u7684\u5c5e\u6027\u548c\u65b9\u6cd5&#xff0c;\u5b9e\u73b0\u4ee3\u7801\u590d\u7528&#xff0c;C#\u5355\u7ee7\u627f&#xff08;\u4e00\u4e2a\u5b50\u7c7b\u53ea\u80fd\u7ee7\u627f\u4e00\u4e2a\u7236\u7c7b&#xff09;\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u7236\u7c7b<\/span><br \/>\n<span class=\"token keyword\">public<\/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><\/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\">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 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\">\u5728\u5403\u4e1c\u897f&#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\">\/\/ \u5b50\u7c7b&#xff08;\u7ee7\u627fAnimal&#xff09;<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <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\">Animal<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b50\u7c7b\u7279\u6709\u65b9\u6cd5<\/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\">Bark<\/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\">\u5728\u6c6a\u6c6a\u53eb&#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><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\ndog<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><br \/>\ndog<span class=\"token punctuation\">.<\/span><span class=\"token function\">Eat<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ee7\u627f\u7236\u7c7b\u65b9\u6cd5&#xff1a;\u65fa\u8d22\u5728\u5403\u4e1c\u897f<\/span><br \/>\ndog<span class=\"token punctuation\">.<\/span><span class=\"token function\">Bark<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5b50\u7c7b\u7279\u6709\u65b9\u6cd5&#xff1a;\u65fa\u8d22\u5728\u6c6a\u6c6a\u53eb<\/span><\/p>\n<h5>&#xff08;3&#xff09;\u591a\u6001<\/h5>\n<p>\u540c\u4e00\u884c\u4e3a\u5728\u4e0d\u540c\u5bf9\u8c61\u4e0a\u6709\u4e0d\u540c\u8868\u73b0\u5f62\u5f0f&#xff0c;\u6838\u5fc3\u5b9e\u73b0\u65b9\u5f0f&#xff1a;\u91cd\u5199&#xff08;override&#xff09; &#043; \u62bd\u8c61\u65b9\u6cd5\/\u865a\u65b9\u6cd5\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u7236\u7c7b&#xff08;\u865a\u65b9\u6cd5&#xff09;<\/span><br \/>\n<span class=\"token keyword\">public<\/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><\/p>\n<p>    <span class=\"token comment\">\/\/ \u865a\u65b9\u6cd5&#xff1a;\u5141\u8bb8\u5b50\u7c7b\u91cd\u5199<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">virtual<\/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\">\u53d1\u51fa\u58f0\u97f3&#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\">\/\/ \u5b50\u7c7b1&#xff1a;\u91cd\u5199\u865a\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <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\">Animal<\/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 interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">Name<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u6c6a\u6c6a\u53eb&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b50\u7c7b2&#xff1a;\u91cd\u5199\u865a\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Cat<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">Animal<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">override<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">MakeSound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#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\">\u55b5\u55b5\u53eb&#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\">\/\/ \u591a\u6001\u8c03\u7528<\/span><br \/>\n<span class=\"token class-name\">Animal<\/span> animal1 <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><span class=\"token punctuation\">)<\/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 \/>\n<span class=\"token class-name\">Animal<\/span> animal2 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Cat<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> Name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u54aa\u54aa&#034;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\nanimal1<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\">\/\/ \u8f93\u51fa&#xff1a;\u65fa\u8d22\u6c6a\u6c6a\u53eb<\/span><br \/>\nanimal2<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\">\/\/ \u8f93\u51fa&#xff1a;\u54aa\u54aa\u55b5\u55b5\u53eb<\/span><\/p>\n<h4>2. \u8bbf\u95ee\u4fee\u9970\u7b26<\/h4>\n<p>\u63a7\u5236\u7c7b\/\u5b57\u6bb5\/\u65b9\u6cd5\u7684\u8bbf\u95ee\u8303\u56f4&#xff0c;\u6838\u5fc3\u4fee\u9970\u7b26&#xff1a;<\/p>\n<table>\n<tr>\u4fee\u9970\u7b26\u8bbf\u95ee\u8303\u56f4<\/tr>\n<tbody>\n<tr>\n<td>public<\/td>\n<td>\u6240\u6709\u7a0b\u5e8f\u96c6\u90fd\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>private<\/td>\n<td>\u4ec5\u5f53\u524d\u7c7b\u5185\u90e8\u53ef\u8bbf\u95ee&#xff08;\u9ed8\u8ba4&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>protected<\/td>\n<td>\u5f53\u524d\u7c7b &#043; \u5b50\u7c7b\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>internal<\/td>\n<td>\u4ec5\u5f53\u524d\u7a0b\u5e8f\u96c6\u5185\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3. \u62bd\u8c61\u7c7b\u3001\u63a5\u53e3 interface<\/h4>\n<h5>&#xff08;1&#xff09;\u62bd\u8c61\u7c7b&#xff08;abstract class&#xff09;<\/h5>\n<ul>\n<li>\u7528abstract\u4fee\u9970&#xff0c;\u4e0d\u80fd\u5b9e\u4f8b\u5316&#xff1b;<\/li>\n<li>\u53ef\u5305\u542b\u62bd\u8c61\u65b9\u6cd5&#xff08;\u65e0\u5b9e\u73b0&#xff09;\u548c\u666e\u901a\u65b9\u6cd5&#xff08;\u6709\u5b9e\u73b0&#xff09;&#xff1b;<\/li>\n<li>\u5b50\u7c7b\u5fc5\u987b\u91cd\u5199\u62bd\u8c61\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u62bd\u8c61\u7c7b<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <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 comment\">\/\/ \u666e\u901a\u65b9\u6cd5&#xff08;\u6709\u5b9e\u73b0&#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\">ShowInfo<\/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;\u8fd9\u662f\u4e00\u4e2a\u56fe\u5f62&#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\">\/\/ \u62bd\u8c61\u65b9\u6cd5&#xff08;\u65e0\u5b9e\u73b0&#xff0c;\u5b50\u7c7b\u5fc5\u987b\u91cd\u5199&#xff09;<\/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\">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\">\/\/ \u5b50\u7c7b\u5b9e\u73b0\u62bd\u8c61\u7c7b<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <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\">Shape<\/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 comment\">\/\/ \u91cd\u5199\u62bd\u8c61\u65b9\u6cd5<\/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\">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><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528<\/span><br \/>\n<span class=\"token class-name\">Circle<\/span> circle <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 punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> Radius <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\ncircle<span class=\"token punctuation\">.<\/span><span class=\"token function\">ShowInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ee7\u627f\u666e\u901a\u65b9\u6cd5<\/span><br \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span>circle<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><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;12.566&#8230;<\/span><\/p>\n<h5>&#xff08;2&#xff09;\u63a5\u53e3&#xff08;interface&#xff09;<\/h5>\n<ul>\n<li>\u7528interface\u5b9a\u4e49&#xff0c;\u662f\u201c\u884c\u4e3a\u5951\u7ea6\u201d&#xff0c;\u4ec5\u5305\u542b\u65b9\u6cd5\/\u5c5e\u6027\u7684\u58f0\u660e&#xff08;\u65e0\u5b9e\u73b0&#xff09;&#xff1b;<\/li>\n<li>\u7c7b\u53ef\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3&#xff08;\u5f25\u8865C#\u5355\u7ee7\u627f&#xff09;&#xff1b;<\/li>\n<li>\u5b9e\u73b0\u7c7b\u5fc5\u987b\u5b9e\u73b0\u63a5\u53e3\u7684\u6240\u6709\u6210\u5458\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IFly<\/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> <span class=\"token comment\">\/\/ \u63a5\u53e3\u65b9\u6cd5&#xff08;\u9ed8\u8ba4public&#xff0c;\u4e0d\u80fd\u52a0\u4fee\u9970\u7b26&#xff09;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ISwim<\/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\">\/\/ \u7c7b\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <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\">IFly<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ISwim<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b9e\u73b0IFly\u63a5\u53e3<\/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\">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 string\">&#034;\u9e2d\u5b50\u98de&#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\u73b0ISwim\u63a5\u53e3<\/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\">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 string\">&#034;\u9e2d\u5b50\u6e38&#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\">Duck<\/span> duck <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">Duck<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nduck<span class=\"token punctuation\">.<\/span><span class=\"token function\">Fly<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nduck<span class=\"token punctuation\">.<\/span><span class=\"token function\">Swim<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>4. \u5c5e\u6027 get\/set\u3001\u4f9d\u8d56\u6ce8\u5165<\/h4>\n<h5>&#xff08;1&#xff09;\u5c5e\u6027 get\/set<\/h5>\n<p>\u5c01\u88c5\u5b57\u6bb5\u7684\u8bbf\u95ee&#xff0c;\u5206\u4e3a&#xff1a;<\/p>\n<ul>\n<li>\u666e\u901a\u5c5e\u6027&#xff1a;\u624b\u52a8\u5b9a\u4e49get\/set&#xff1b;<\/li>\n<li>\u81ea\u52a8\u5c5e\u6027&#xff1a;\u7b80\u5316\u5199\u6cd5&#xff08;\u7f16\u8bd1\u5668\u81ea\u52a8\u751f\u6210\u79c1\u6709\u5b57\u6bb5&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Person<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u81ea\u52a8\u5c5e\u6027&#xff08;\u63a8\u8350&#xff09;<\/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 comment\">\/\/ \u53ea\u8bfb\u5c5e\u6027&#xff08;\u4ec5get&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> Id <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1001<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5e26\u79c1\u6709set\u7684\u5c5e\u6027&#xff08;\u5916\u90e8\u53ea\u80fd\u8bfb&#xff0c;\u5185\u90e8\u53ef\u5199&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">int<\/span><\/span> Age <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">get<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">set<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u624b\u52a8\u5c5e\u6027&#xff08;\u81ea\u5b9a\u4e49\u903b\u8f91&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> _email<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> Email<br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">get<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> _email<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">set<\/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><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 keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ArgumentException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u90ae\u7bb1\u683c\u5f0f\u9519\u8bef&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _email <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">value<\/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\">\/\/ \u65b9\u6cd5\u5185\u4fee\u6539\u79c1\u6709set\u7684\u5c5e\u6027<\/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\">SetAge<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> age<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Age <span class=\"token operator\">&#061;<\/span> age<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>&#xff08;2&#xff09;\u4f9d\u8d56\u6ce8\u5165&#xff08;DI&#xff0c;\u5165\u95e8\u7ea7&#xff09;<\/h5>\n<p>\u6838\u5fc3\u601d\u60f3&#xff1a;\u201c\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\u201d&#xff0c;\u5c06\u7c7b\u7684\u4f9d\u8d56\u5bf9\u8c61\u901a\u8fc7\u6784\u9020\u51fd\u6570\/\u5c5e\u6027\u4f20\u5165&#xff0c;\u964d\u4f4e\u8026\u5408\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u63a5\u53e3&#xff08;\u4f9d\u8d56\u62bd\u8c61&#xff09;<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">ILog<\/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\">WriteLog<\/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 punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9e\u73b0\u7c7b1<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FileLog<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">ILog<\/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\">WriteLog<\/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\">$&#034;\u5199\u5165\u6587\u4ef6&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">message<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9e\u73b0\u7c7b2<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ConsoleLog<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">ILog<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">WriteLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> message<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u63a7\u5236\u53f0\u8f93\u51fa&#xff1a;<\/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><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4e1a\u52a1\u7c7b&#xff08;\u4f9d\u8d56ILog&#xff0c;\u800c\u975e\u5177\u4f53\u5b9e\u73b0&#xff09;<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserService<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">readonly<\/span> <span class=\"token class-name\">ILog<\/span> _log<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6784\u9020\u51fd\u6570\u6ce8\u5165<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token function\">UserService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ILog<\/span> log<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _log <span class=\"token operator\">&#061;<\/span> log<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\">AddUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> userName<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e1a\u52a1\u903b\u8f91<\/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\">$&#034;\u6dfb\u52a0\u7528\u6237&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">userName<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u65e5\u5fd7\u8bb0\u5f55&#xff08;\u4f9d\u8d56\u6ce8\u5165\u7684ILog&#xff09;<\/span><br \/>\n        _log<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u7528\u6237<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">userName<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u5df2\u6dfb\u52a0&#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 comment\">\/\/ \u6ce8\u5165FileLog<\/span><br \/>\n<span class=\"token class-name\">UserService<\/span> service1 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">UserService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">FileLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nservice1<span class=\"token punctuation\">.<\/span><span class=\"token function\">AddUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;\u6dfb\u52a0\u7528\u6237&#xff1a;\u5f20\u4e09 &#043; \u5199\u5165\u6587\u4ef6&#xff1a;\u7528\u6237\u5f20\u4e09\u5df2\u6dfb\u52a0<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6ce8\u5165ConsoleLog<\/span><br \/>\n<span class=\"token class-name\">UserService<\/span> service2 <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">UserService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">ConsoleLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nservice2<span class=\"token punctuation\">.<\/span><span class=\"token function\">AddUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u674e\u56db&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;\u6dfb\u52a0\u7528\u6237&#xff1a;\u674e\u56db &#043; \u63a7\u5236\u53f0\u8f93\u51fa&#xff1a;\u7528\u6237\u674e\u56db\u5df2\u6dfb\u52a0<\/span><\/p>\n<hr \/>\n<h3>\u4e09\u3001C#\u8fdb\u9636<\/h3>\n<h4>1. \u59d4\u6258\u3001\u4e8b\u4ef6<\/h4>\n<h5>&#xff08;1&#xff09;\u59d4\u6258&#xff08;delegate&#xff09;<\/h5>\n<p>\u672c\u8d28\u662f\u201c\u65b9\u6cd5\u7684\u7c7b\u578b\u201d&#xff0c;\u53ef\u4ee5\u5b58\u50a8\u548c\u8c03\u7528\u65b9\u6cd5&#xff08;\u7c7b\u4f3c\u51fd\u6570\u6307\u9488&#xff09;&#xff0c;\u5b9a\u4e49\u683c\u5f0f&#xff1a;delegate \u8fd4\u56de\u503c \u59d4\u6258\u540d(\u53c2\u6570\u5217\u8868);<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u59d4\u6258&#xff08;\u5339\u914d\u65e0\u8fd4\u56de\u503c\u3001\u5355\u4e2astring\u53c2\u6570\u7684\u65b9\u6cd5&#xff09;<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">delegate<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">MyDelegate<\/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><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u5339\u914d\u7684\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">ShowMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> msg<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\">$&#034;\u6d88\u606f&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">msg<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">LogMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> msg<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u65e5\u5fd7&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">msg<\/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\">\/\/ \u4f7f\u7528\u59d4\u6258<\/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\">Main<\/span><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> args<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u59d4\u6258\u7ed1\u5b9a\u65b9\u6cd5<\/span><br \/>\n    <span class=\"token class-name\">MyDelegate<\/span> del <span class=\"token operator\">&#061;<\/span> ShowMessage<span class=\"token punctuation\">;<\/span><br \/>\n    del <span class=\"token operator\">&#043;&#061;<\/span> LogMessage<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ed1\u5b9a\u591a\u4e2a\u65b9\u6cd5&#xff08;\u591a\u64ad\u59d4\u6258&#xff09;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8c03\u7528\u59d4\u6258&#xff08;\u6267\u884c\u6240\u6709\u7ed1\u5b9a\u7684\u65b9\u6cd5&#xff09;<\/span><br \/>\n    <span class=\"token function\">del<\/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 \/>\n    <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6d88\u606f&#xff1a;Hello World<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u65e5\u5fd7&#xff1a;Hello World<\/span><\/p>\n<p>    del <span class=\"token operator\">-&#061;<\/span> ShowMessage<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u79fb\u9664\u65b9\u6cd5<\/span><br \/>\n    <span class=\"token function\">del<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Test&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4ec5\u8f93\u51fa&#xff1a;\u65e5\u5fd7&#xff1a;Test<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>&#xff08;2&#xff09;\u4e8b\u4ef6&#xff08;event&#xff09;<\/h5>\n<p>\u57fa\u4e8e\u59d4\u6258\u7684\u201c\u6d88\u606f\u901a\u77e5\u673a\u5236\u201d&#xff0c;\u662f\u7279\u6b8a\u7684\u59d4\u6258&#xff0c;\u9650\u5236\u4e86\u5916\u90e8\u76f4\u63a5\u8c03\u7528&#xff0c;\u53ea\u80fd\u5728\u7c7b\u5185\u90e8\u89e6\u53d1\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u59d4\u6258<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">delegate<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">NotifyHandler<\/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><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u5305\u542b\u4e8b\u4ef6\u7684\u7c7b<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">User<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b9a\u4e49\u4e8b\u4ef6&#xff08;\u57fa\u4e8e\u59d4\u6258&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">event<\/span> <span class=\"token class-name\">NotifyHandler<\/span> OnLogin<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u767b\u5f55\u65b9\u6cd5&#xff08;\u5185\u90e8\u89e6\u53d1\u4e8b\u4ef6&#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\">Login<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> userName<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\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">userName<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u767b\u5f55\u6210\u529f&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u89e6\u53d1\u4e8b\u4ef6&#xff08;\u4ec5\u7c7b\u5185\u90e8\u53ef\u8c03\u7528&#xff09;<\/span><br \/>\n        OnLogin<span class=\"token punctuation\">?.<\/span><span class=\"token function\">Invoke<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">userName<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u4e8e<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">DateTime<span class=\"token punctuation\">.<\/span>Now<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u767b\u5f55&#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\u4e8b\u4ef6<\/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\">Main<\/span><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> args<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">User<\/span> user <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">User<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8ba2\u9605\u4e8b\u4ef6<\/span><br \/>\n    user<span class=\"token punctuation\">.<\/span>OnLogin <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token punctuation\">(<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> 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\">$&#034;\u65e5\u5fd7\u8bb0\u5f55&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">msg<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    user<span class=\"token punctuation\">.<\/span>OnLogin <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token punctuation\">(<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token interpolation-string\"><span class=\"token string\">$&#034;\u90ae\u4ef6\u901a\u77e5&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">msg<\/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\">\/\/ \u8c03\u7528\u767b\u5f55\u65b9\u6cd5&#xff0c;\u89e6\u53d1\u4e8b\u4ef6<\/span><br \/>\n    user<span class=\"token punctuation\">.<\/span><span class=\"token function\">Login<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5f20\u4e09\u767b\u5f55\u6210\u529f<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u65e5\u5fd7\u8bb0\u5f55&#xff1a;\u5f20\u4e09\u4e8e2026-02-25 10:00:00\u767b\u5f55<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u90ae\u4ef6\u901a\u77e5&#xff1a;\u5f20\u4e09\u4e8e2026-02-25 10:00:00\u767b\u5f55<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2. Lambda \u8868\u8fbe\u5f0f<\/h4>\n<p>\u7b80\u5316\u59d4\u6258\/\u533f\u540d\u65b9\u6cd5\u7684\u5199\u6cd5&#xff0c;\u683c\u5f0f&#xff1a;(\u53c2\u6570) &#061;&gt; \u8868\u8fbe\u5f0f\/\u4ee3\u7801\u5757&#xff0c;\u5e38\u7528\u4e8eLINQ\u3001\u59d4\u6258\u3001\u4e8b\u4ef6\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u66ff\u4ee3\u59d4\u6258\u65b9\u6cd5<\/span><br \/>\n<span class=\"token class-name\">MyDelegate<\/span> del <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> 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;Lambda&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token expression language-csharp\">msg<\/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 function\">del<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Hello&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;Lambda&#xff1a;Hello<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. LINQ\u4e2d\u4f7f\u7528&#xff08;\u7b5b\u9009List&#xff09;<\/span><br \/>\n<span class=\"token class-name\">List<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> nums <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">List<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/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 \/>\n<span class=\"token class-name\"><span class=\"token keyword\">var<\/span><\/span> evenNums <span class=\"token operator\">&#061;<\/span> nums<span class=\"token punctuation\">.<\/span><span class=\"token function\">Where<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&gt;<\/span> n <span class=\"token operator\">%<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7b5b\u9009\u5076\u6570<\/span><br \/>\n<span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token keyword\">int<\/span><\/span> num <span class=\"token keyword\">in<\/span> evenNums<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>num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa2\u30014<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u5e26\u4ee3\u7801\u5757\u7684Lambda<\/span><br \/>\n<span class=\"token class-name\">Action<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> action <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>msg<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> upperMsg <span class=\"token operator\">&#061;<\/span> msg<span class=\"token punctuation\">.<\/span><span class=\"token function\">ToUpper<\/span><span class=\"token punctuation\">(<\/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>upperMsg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">action<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;test&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa&#xff1a;TEST<\/span><\/p>\n<h4>3. \u6cdb\u578b<\/h4>\n<p>\u5b9a\u4e49\u65f6\u4e0d\u6307\u5b9a\u5177\u4f53\u7c7b\u578b&#xff0c;\u4f7f\u7528\u65f6\u518d\u6307\u5b9a&#xff0c;\u5b9e\u73b0\u4ee3\u7801\u590d\u7528&#xff0c;\u907f\u514d\u88c5\u7bb1\u62c6\u7bb1&#xff0c;\u6838\u5fc3&#xff1a;\u6cdb\u578b\u7c7b&lt;T&gt;\u3001\u6cdb\u578b\u65b9\u6cd5&lt;T&gt;\u3001\u6cdb\u578b\u63a5\u53e3&lt;T&gt;\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u6cdb\u578b\u7c7b<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyGeneric<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 keyword\">private<\/span> <span class=\"token class-name\">T<\/span> _data<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token function\">MyGeneric<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">T<\/span> data<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _data <span class=\"token operator\">&#061;<\/span> data<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\">T<\/span> <span class=\"token function\">GetData<\/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> _data<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\">\/\/ \u6cdb\u578b\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token return-type class-name\">T<\/span> <span class=\"token generic-method\"><span class=\"token function\">Max<\/span><span class=\"token generic class-name\"><span class=\"token punctuation\">&lt;<\/span>T<span class=\"token punctuation\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">T<\/span> a<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">T<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">where<\/span> <span class=\"token class-name\">T<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token type-list\"><span class=\"token class-name\">IComparable<span class=\"token punctuation\">&lt;<\/span>T<span class=\"token punctuation\">&gt;<\/span><\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span><span class=\"token function\">CompareTo<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">?<\/span> a <span class=\"token punctuation\">:<\/span> b<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\">MyGeneric<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> intGeneric <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">MyGeneric<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/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>intGeneric<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 100<\/span><\/p>\n<p><span class=\"token class-name\">MyGeneric<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> strGeneric <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token constructor-invocation class-name\">MyGeneric<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/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 \/>\nConsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">WriteLine<\/span><span class=\"token punctuation\">(<\/span>strGeneric<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetData<\/span><span class=\"token punctuation\">(<\/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\"><span class=\"token keyword\">int<\/span><\/span> maxInt <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Max<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 20<\/span><br \/>\n<span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> maxStr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Max<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;A&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;B&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ B<\/span><\/p>\n<h4>4. Task\/async\/await \u5f02\u6b65\u7f16\u7a0b<\/h4>\n<p>\u89e3\u51b3\u540c\u6b65\u7f16\u7a0b\u963b\u585eUI\/\u7ebf\u7a0b\u7684\u95ee\u9898&#xff0c;async\u6807\u8bb0\u65b9\u6cd5\u4e3a\u5f02\u6b65&#xff0c;await\u7b49\u5f85\u5f02\u6b65\u4efb\u52a1\u5b8c\u6210&#xff0c;Task\u8868\u793a\u5f02\u6b65\u64cd\u4f5c\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5f02\u6b65\u65b9\u6cd5&#xff08;\u8fd4\u56deTask\/Task&lt;T&gt;&#xff09;<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\">Task<span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">string<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">GetDataAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6a21\u62df\u8017\u65f6\u64cd\u4f5c&#xff08;\u5982\u7f51\u7edc\u8bf7\u6c42&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> Task<span class=\"token punctuation\">.<\/span><span class=\"token function\">Delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7b49\u5f852\u79d2&#xff0c;\u4e0d\u963b\u585e\u7ebf\u7a0b<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u5f02\u6b65\u6570\u636e\u52a0\u8f7d\u5b8c\u6210&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8c03\u7528\u5f02\u6b65\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token return-type class-name\"><span class=\"token keyword\">void<\/span><\/span> <span class=\"token function\">Main<\/span><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> args<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;\u5f00\u59cb\u52a0\u8f7d\u6570\u636e&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7b49\u5f85\u5f02\u6b65\u65b9\u6cd5\u5b8c\u6210<\/span><br \/>\n    <span class=\"token class-name\"><span class=\"token keyword\">string<\/span><\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">GetDataAsync<\/span><span class=\"token punctuation\">(<\/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>result<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 string\">&#034;\u6570\u636e\u52a0\u8f7d\u7ed3\u675f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7b49\u5f85\u63a7\u5236\u53f0\u5173\u95ed&#xff08;\u907f\u514d\u7a0b\u5e8f\u76f4\u63a5\u9000\u51fa&#xff09;<\/span><br \/>\n    Console<span class=\"token punctuation\">.<\/span><span class=\"token function\">ReadLine<\/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\">\/\/ \u8f93\u51fa\u987a\u5e8f&#xff1a;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5f00\u59cb\u52a0\u8f7d\u6570\u636e&#8230;<\/span><br \/>\n<span class=\"token comment\">\/\/ &#xff08;\u7b49\u5f852\u79d2&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5f02\u6b65\u6570\u636e\u52a0\u8f7d\u5b8c\u6210<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6570\u636e\u52a0\u8f7d\u7ed3\u675f<\/span><\/p>\n<hr \/>\n<h4>\u603b\u7ed3<\/h4>\n<li>\u57fa\u7840\u8bed\u6cd5\u6838\u5fc3&#xff1a;C#\u662f\u5f3a\u7c7b\u578b\u8bed\u8a00&#xff0c;\u53d8\u91cf\/\u7c7b\u578b\u662f\u57fa\u7840&#xff1b;\u6570\u7ec4\u957f\u5ea6\u56fa\u5b9a&#xff0c;List\/Dictionary\u662f\u52a8\u6001\u96c6\u5408&#xff1b;try-catch\u5904\u7406\u5f02\u5e38&#xff1b;\u503c\u7c7b\u578b\u5b58\u6808\u3001\u5f15\u7528\u7c7b\u578b\u5b58\u5806&#xff1b;enum\/struct\u662f\u81ea\u5b9a\u4e49\u503c\u7c7b\u578b\u3002<\/li>\n<li>OOP\u6838\u5fc3&#xff1a;\u5c01\u88c5\u9690\u85cf\u7ec6\u8282&#xff0c;\u7ee7\u627f\u590d\u7528\u4ee3\u7801&#xff0c;\u591a\u6001\u5b9e\u73b0\u7075\u6d3b\u8c03\u7528&#xff1b;\u62bd\u8c61\u7c7b\/\u63a5\u53e3\u662f\u201c\u62bd\u8c61\u5951\u7ea6\u201d&#xff0c;\u8bbf\u95ee\u4fee\u9970\u7b26\u63a7\u5236\u8bbf\u95ee\u8303\u56f4&#xff1b;\u4f9d\u8d56\u6ce8\u5165\u964d\u4f4e\u7c7b\u8026\u5408\u3002<\/li>\n<li>\u8fdb\u9636\u6838\u5fc3&#xff1a;\u59d4\u6258\u662f\u65b9\u6cd5\u7684\u201c\u7c7b\u578b\u201d&#xff0c;\u4e8b\u4ef6\u662f\u53d7\u9650\u7684\u59d4\u6258&#xff1b;Lambda\u7b80\u5316\u59d4\u6258\/\u533f\u540d\u65b9\u6cd5&#xff1b;\u6cdb\u578b\u5b9e\u73b0\u7c7b\u578b\u65e0\u5173\u7684\u4ee3\u7801\u590d\u7528&#xff1b;async\/await\u662f\u5f02\u6b65\u7f16\u7a0b\u7684\u7b80\u6d01\u5199\u6cd5&#xff0c;\u907f\u514d\u7ebf\u7a0b\u963b\u585e\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001C# \u57fa\u7840\u8bed\u6cd5<br \/>\n1. \u53d8\u91cf\u4e0e\u7c7b\u578b<br \/>\n\u53d8\u91cf&#xff1a;\u7a0b\u5e8f\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668&#xff0c;\u58f0\u660e\u683c\u5f0f&#xff1a;\u7c7b\u578b \u53d8\u91cf\u540d [ \u521d\u59cb\u503c];\u57fa\u672c\u7c7b\u578b&#xff1a;C#\u662f\u5f3a\u7c7b\u578b\u8bed\u8a00&#xff0c;\u53d8\u91cf\u5fc5\u987b\u6307\u5b9a\u7c7b\u578b&#xff0c;\u6838\u5fc3\u5185\u7f6e\u7c7b\u578b\u5982\u4e0b&#xff1a;\u7c7b\u578b\u8bf4\u660e\u793a\u4f8bint\u6574\u6570&#xff08;32\u4f4d&#xff09;int age  20;string\u5b57\u7b26\u4e32string name  \\&#8221;\u5f20\u4e09\\&#8221;;double\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570double score  95.5;bool\u5e03\u5c14\u503c<\/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":[55,190],"topic":[],"class_list":["post-78188","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-190"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636 - \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\/78188.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u4e00\u3001C# \u57fa\u7840\u8bed\u6cd5 1. \u53d8\u91cf\u4e0e\u7c7b\u578b \u53d8\u91cf&#xff1a;\u7a0b\u5e8f\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668&#xff0c;\u58f0\u660e\u683c\u5f0f&#xff1a;\u7c7b\u578b \u53d8\u91cf\u540d [ \u521d\u59cb\u503c];\u57fa\u672c\u7c7b\u578b&#xff1a;C#\u662f\u5f3a\u7c7b\u578b\u8bed\u8a00&#xff0c;\u53d8\u91cf\u5fc5\u987b\u6307\u5b9a\u7c7b\u578b&#xff0c;\u6838\u5fc3\u5185\u7f6e\u7c7b\u578b\u5982\u4e0b&#xff1a;\u7c7b\u578b\u8bf4\u660e\u793a\u4f8bint\u6574\u6570&#xff08;32\u4f4d&#xff09;int age 20;string\u5b57\u7b26\u4e32string name &quot;\u5f20\u4e09&quot;;double\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570double score 95.5;bool\u5e03\u5c14\u503c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/78188.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-26T06:34:21+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/78188.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/78188.html\",\"name\":\"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-02-26T06:34:21+00:00\",\"dateModified\":\"2026-02-26T06:34:21+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/78188.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/78188.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/78188.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/78188.html","og_locale":"zh_CN","og_type":"article","og_title":"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u4e00\u3001C# \u57fa\u7840\u8bed\u6cd5 1. \u53d8\u91cf\u4e0e\u7c7b\u578b \u53d8\u91cf&#xff1a;\u7a0b\u5e8f\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668&#xff0c;\u58f0\u660e\u683c\u5f0f&#xff1a;\u7c7b\u578b \u53d8\u91cf\u540d [ \u521d\u59cb\u503c];\u57fa\u672c\u7c7b\u578b&#xff1a;C#\u662f\u5f3a\u7c7b\u578b\u8bed\u8a00&#xff0c;\u53d8\u91cf\u5fc5\u987b\u6307\u5b9a\u7c7b\u578b&#xff0c;\u6838\u5fc3\u5185\u7f6e\u7c7b\u578b\u5982\u4e0b&#xff1a;\u7c7b\u578b\u8bf4\u660e\u793a\u4f8bint\u6574\u6570&#xff08;32\u4f4d&#xff09;int age 20;string\u5b57\u7b26\u4e32string name \"\u5f20\u4e09\";double\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570double score 95.5;bool\u5e03\u5c14\u503c","og_url":"https:\/\/www.wsisp.com\/helps\/78188.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-02-26T06:34:21+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"9 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/78188.html","url":"https:\/\/www.wsisp.com\/helps\/78188.html","name":"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-02-26T06:34:21+00:00","dateModified":"2026-02-26T06:34:21+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/78188.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/78188.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/78188.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"C#\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cfb\u7edf\u68b3\u7406\uff1a\u4ece\u57fa\u7840\u5230\u8fdb\u9636"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/78188","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=78188"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/78188\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=78188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=78188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=78188"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=78188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}