{"id":11942,"date":"2016-12-07T00:00:00","date_gmt":"2016-12-06T16:00:00","guid":{"rendered":"https:\/\/fgchen.com\/wpedu2\/2016\/12\/07\/%e3%80%90%e7%a8%8b%e5%bc%8f%e8%a8%ad%e8%a8%88-c%e3%80%91helloworld\/"},"modified":"2026-03-30T14:53:58","modified_gmt":"2026-03-30T06:53:58","slug":"%e3%80%90%e7%a8%8b%e5%bc%8f%e8%a8%ad%e8%a8%88-c%e3%80%91helloworld","status":"publish","type":"post","link":"https:\/\/fgchen.com\/wpedu\/2016\/12\/%e3%80%90%e7%a8%8b%e5%bc%8f%e8%a8%ad%e8%a8%88-c%e3%80%91helloworld\/","title":{"rendered":"\u3010\u7a0b\u5f0f\u8a2d\u8a08 C#\u3011\u547d\u4ee4\u63d0\u793a\u5b57\u5143\u8996\u7a97\u7684\u8f38\u51fa\u8207\u8f38\u5165"},"content":{"rendered":"\u547d\u4ee4\u63d0\u793a\u5b57\u5143\u8996\u7a97\u662f\u6211\u5011\u7684\u8996\u7a97\u4f5c\u696d\u74b0\u5883\u4e2d\u7684\u4e00\u500b\u7279\u6b8a\u8996\u7a97\uff0c\u4e0d\u652f\u63f4\u8996\u7a97\u7684\u5143\u4ef6\u3001\u6ed1\u9f20\uff0c\u53ea\u6709\u7c21\u55ae\u7684\u6587\u5b57\u8f38\u51fa\u53ca\u9375\u76e4\u8f38\u5165\u3002\u652f\u63f4\u7684\u8f38\u5165\u8207\u8f38\u51fa\u65b9\u6cd5(\u90e8\u4efd)\uff1a\nRead()\u5f9e\u9375\u76e4\u8b80\u53d6\u4e00\u500b\u8f38\u5165\uff0c\u8fd4\u56de\u503c\u70ba\u6574\u6578\u578b\u614b\uff0c\u4e5f\u5c31\u662f\u9375\u76e4\u8f38\u5165\u5b57\u5143\uff08\u6309\u7684\u4e00\u500b\u9375\uff09\u7684ASCII\u78bc\u3002\nReadLine() \u5f9e\u9375\u76e4\u8b80\u53d6\u4e00\u884c(\u6309enter\u4ee3\u8868\u8f38\u5165\u5b8c\u6210)\uff0c\u65b9\u6cd5\u50b3\u56de\u4e00\u500b\u5b57\u4e32\u3002\nWrite() \u8f38\u51fa\uff0c\u4e0d\u63db\u884c\u3002\nWriteLine()\u8f38\u51fa\u5f8c\u63db\u884c(\u7b49\u6548\u65bc&#8221;rn&#8221;)\n\n<h1>\u8f38\u51fa\uff1a<\/h1>\n\n<h4>\u7bc4\u4f8b1\uff1a<\/h4>\n\n<pre class=\"theme:vs2012 lang:c# decode:true\">\/\/ Hello1.cs\npublic class Hello1\n{\n   public static void Main()\n   {\n      System.Console.WriteLine(\"Hello, World!\");\n   }\n}<\/pre>\n\n<ul type=\"disc\">\n    <li>\u6bcf\u4e00\u500b <code>Main<\/code> \u65b9\u6cd5\u5fc5\u9808\u5305\u542b\u5728\u985e\u5225\u4e2d (\u672c\u7bc4\u4f8b\u4e2d\u70ba <code>Hello1<\/code>)\u3002<\/li>\n    <li><b>WriteLine \u65b9\u6cd5\u662fSystem.Console<\/b> \u985e\u5225\u4e2d\u7528\u4f86\u8f38\u51fa\u4e00\u500b\u5b57\u4e32\u5230\u4e3b\u63a7\u53f0 (Console) \u7684\u65b9\u6cd5 \u3002<\/li>\n<\/ul>\n\n<h4>\u7bc4\u4f8b2\uff1a<\/h4>\n\n\u53ef\u4ee5\u4f7f\u7528 <code>using<\/code> \u6307\u793a\u8a5e (Directive)\u5ba3\u544a\u4f7f\u7528<strong>System\u547d\u540d\u7a7a\u9593(\u985e\u4f3cJava\u7684\u5957\u4ef6)<\/strong>\uff0c\u4e4b\u5f8c\u53ef\u4ee5\u7528\u8f03\u7c21\u77ed\u7684\u65b9\u5f0f\u4f7f\u7528\u8a72\u547d\u540d\u7a7a\u9593\u4e0b\u7684\u985e\u5225\u65b9\u6cd5\uff0c\u5982\u4e0b\u6240\u793a\uff1a\n\n<pre class=\"theme:vs2012 lang:c# decode:true \">\/\/ Hello2.cs\nusing System;\npublic class Hello2\n{\n   public static void Main()\n   {\n      Console.WriteLine(\"Hello, World!\");\n   }\n}<\/pre>\n\n<h4>\u7bc4\u4f8b3\uff1a<\/h4>\n\n\u5982\u679c\u60f3\u8981\u5b58\u53d6\u50b3\u905e\u5230\u61c9\u7528\u7a0b\u5f0f\u7684\u547d\u4ee4\u5217\u53c3\u6578\uff0c\u9700\u8b8a\u66f4 <code>Main<\/code> \u65b9\u6cd5\u7684\u7c3d\u540d\uff0c\u4ee5\u4e0b\u5217\u65b9\u5f0f\u4f86\u5b58\u53d6\u5b83\u5011\u3002\u672c\u7bc4\u4f8b\u8a08\u7b97\u548c\u986f\u793a\u547d\u4ee4\u5217\u5f15\u6578\u3002\n\n<pre class=\"theme:vs2012 lang:c# decode:true\">\/\/ Hello3.cs\n\/\/ arguments: A B C D\nusing System;\npublic class Hello3\n{\n   public static void Main(string[] args)\n   {\n      Console.WriteLine(\"Hello, World!\");\n      Console.WriteLine(\"\u4f60\u8f38\u5165\u4e86 {0} \u500b\u547d\u4ee4\u5217\u53c3\u6578:\",\n         args.Length );\n      for (int i=0; i &lt; args.Length; i++)\n      {\n         Console.WriteLine(\"{0}\", args[i]);\n      }\n   }\n}<\/pre>\n\n<h4 class=\"dtH4\">\u7bc4\u4f8b 4<\/h4>\n\n\u5728\u6574\u500b\u7a0b\u5f0f\u7684\u61c9\u7528\u74b0\u5883\u88cf\uff0c\u4e00\u500b\u7a0b\u5f0f\u53ef\u4ee5\u559a\u7528\u53e6\u4e00\u500b\u7a0b\u5f0f\uff0c\u4e5f\u56e0\u6b64\uff0c\u82e5\u8981\u50b3\u56de\u4e00\u500b\u50b3\u56de\u78bc (Return Code)\u7d66\u5176\u547c\u53eb\u8005\uff0c\u53ef\u5c07 <code>Main<\/code> \u65b9\u6cd5\u7684\u7c3d\u540d\u8b8a\u6210\uff1a\n\n<pre class=\"theme:vs2012 lang:c# decode:true\">\/\/ Hello4.cs\nusing System;\npublic class Hello4\n{\n   public static int Main(string[] args)\n   {\n      Console.WriteLine(\"Hello, World!\");\n      return 0; \/\/\u56de\u50b30\n   }\n}<\/pre>\n\n<h1>\u5728\u547d\u4ee4\u63d0\u793a\u5b57\u5143\u8996\u7a97\u4e2d\u53d6\u5f97\u9375\u76e4\u8f38\u5165\uff1a<\/h1>\n\n<pre class=\"theme:vs2012 lang:c# decode:true\">Console.Write(\"\u8acb\u8f38\u5165\u4e00\u500b\u6574\u6578(0~100):\");\nint num = Convert.ToInt32(Console.ReadLine());\/\/\u53d6\u5f97\u9375\u76e4\u7684\u8f38\u5165(\u578b\u614b\u662f\u5b57\u4e32)\uff0c\u518d\u8f49\u63db\u6210int32\u6574\u6578\u8cc7\u6599\u578b\u614b<\/pre>\n\n\u82e5\u8981\u53d6\u5f97\u5176\u4ed6\u8cc7\u6599\u578b\u614b\u6578\u503c\uff0c\u8acb\u63db\u6210\u5176\u4ed6\u7684\u8cc7\u6599\u578b\u614b\uff1a\nchar\uff0cdouble\uff0cfloat\u7b49\n\n<h3>\u7bc4\u4f8b\uff1a<\/h3>\n\n<pre class=\"theme:vs2012 lang:c# decode:true \">using System;\npublic class Hello\n{\n   public static void Main()\n   {\n        string str1;\n        int price, qty;\n        Console.WriteLine();\n        Console.WriteLine(\" \u5bcc\u570b\u96fb\u8166\u5716\u66f8\u5ee3\u5834\");\n        Console.WriteLine(\"======================\");\n        Console.Write(\" 1. \u66f8\u540d\uff1a\");\n        str1 = Console.ReadLine(); \/\/ \u8f38\u5165\u66f8\u540d\u4e26\u6307\u5b9a\u7d66 \u8f38\u5165\u66f8\u540d\u4e26\u6307\u5b9a\u7d66str1\u8b8a\u6578\n        Console.Write(\" 2. \u552e\u50f9\uff1a\");\n        price = int.Parse(Console.ReadLine());\n        Console.Write(\" 3. \u6578\u91cf\uff1a\");\n        qty = Convert .ToInt32 (Console.ReadLine());\n        Console.WriteLine(\"======================\");\n        Console.WriteLine(\" 4. \u91d1\u984d\uff1a{0}\", price * qty);\n        Console.Read();\n    }\n}<\/pre>\n\n&nbsp;","protected":false},"excerpt":{"rendered":"<p>\u547d\u4ee4\u63d0\u793a\u5b57\u5143\u8996\u7a97\u662f\u6211\u5011\u7684\u8996\u7a97\u4f5c\u696d\u74b0\u5883\u4e2d\u7684\u4e00\u500b\u7279\u6b8a\u8996\u7a97\uff0c\u4e0d\u652f\u63f4\u8996\u7a97\u7684\u5143\u4ef6\u3001\u6ed1\u9f20\uff0c\u53ea &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[266],"tags":[],"class_list":["post-11942","post","type-post","status-publish","format-standard","hentry","category-266"],"_links":{"self":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/11942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/comments?post=11942"}],"version-history":[{"count":1,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/11942\/revisions"}],"predecessor-version":[{"id":13386,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/11942\/revisions\/13386"}],"wp:attachment":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media?parent=11942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/categories?post=11942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/tags?post=11942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}