{"id":30672,"date":"2025-04-21T00:11:02","date_gmt":"2025-04-20T16:11:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/30672.html"},"modified":"2025-04-21T00:11:02","modified_gmt":"2025-04-20T16:11:02","slug":"c%e5%bc%82%e6%ad%a5%e6%8e%a7%e5%88%b6squeezebox%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%95%99%e7%a8%8b%ef%bc%88vs2010%ef%bc%89-%e7%ac%ac%e4%b8%80%e9%83%a8%e5%88%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/30672.html","title":{"rendered":"C#\u5f02\u6b65\u63a7\u5236SqueezeBox\u670d\u52a1\u5668\u6559\u7a0b\uff08VS2010\uff09-\u7b2c\u4e00\u90e8\u5206"},"content":{"rendered":"

\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\"<\/p>\n

\u7b80\u4ecb：\u672c\u6559\u7a0b\u5c06\u5f15\u5bfc\u8bfb\u8005\u4f7f\u7528C#\u548cVisual Studio 2010\u5bf9SqueezeBox\u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u8fdb\u884c\u5f02\u6b65\u63a7\u5236\u3002SqueezeBox\u670d\u52a1\u5668\u5141\u8bb8\u7528\u6237\u7ba1\u7406\u548c\u64ad\u653e\u97f3\u4e50\u5e93，\u901a\u8fc7C#\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u97f3\u4e50\u5e94\u7528\u7a0b\u5e8f\u3002\u6559\u7a0b\u9996\u5148\u4ecb\u7ecd\u4e86SqueezeBox\u670d\u52a1\u5668\u7684API\u63a5\u53e3，\u7136\u540e\u901a\u8fc7HttpClient\u7c7b\u53d1\u9001HTTP\u8bf7\u6c42\u548c\u89e3\u6790JSON\u54cd\u5e94\u8fdb\u884c\u4ea4\u4e92\u3002\u5229\u7528C# 4.0\u7684\u4efb\u52a1\u5e76\u884c\u5e93（TPL），\u5b9e\u73b0\u5f02\u6b65\u7f16\u7a0b\u6765\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002\u8bfe\u7a0b\u4e2d\u8fd8\u6d89\u53ca\u9519\u8bef\u5904\u7406\u548c\u91cd\u8bd5\u673a\u5236，\u5e76\u63d0\u4f9b\u4e86\u6e90\u4ee3\u7801\u793a\u4f8b\u3002 \"\u4f7f\u7528C＃\u63a7\u5236SqueezeBox\u670d\u52a1\u5668（VS2010）-\u7b2c1\u90e8\u5206\"<\/p>\n

1. C#\u7f16\u7a0b\u8bed\u8a00\u57fa\u7840 <\/h2>\n

1.1 C#\u8bed\u8a00\u6982\u8ff0 <\/h3>\n

C#（\u8bfb\u4f5c\u201c\u770b\u201d）\u662f\u4e00\u79cd\u7531\u5fae\u8f6f\u5f00\u53d1\u7684\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8bed\u8a00，\u5b83\u8bbe\u8ba1\u5f97\u4e0eC++\u548cJava\u76f8\u4f3c，\u4f46\u63d0\u4f9b\u4e86\u66f4\u4e30\u5bcc\u7684\u7c7b\u578b\u7cfb\u7edf\u548c\u8bed\u8a00\u6784\u9020\u3002C#\u5f3a\u8c03\u7c7b\u578b\u5b89\u5168，\u5e76\u4e14\u5177\u6709\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u673a\u5236，\u4f7f\u5176\u6210\u4e3a\u5f00\u53d1\u4f01\u4e1a\u7ea7\u5e94\u7528\u7a0b\u5e8f\u7684\u7406\u60f3\u9009\u62e9\u3002C#\u662f.NET\u6846\u67b6\u7684\u6838\u5fc3\u8bed\u8a00，\u7528\u4e8e\u7f16\u5199Windows\u684c\u9762\u5e94\u7528\u7a0b\u5e8f\u3001\u7f51\u7ad9\u3001\u79fb\u52a8\u5e94\u7528\u4ee5\u53ca\u6e38\u620f\u7b49\u3002 <\/p>\n

1.2 C#\u8bed\u8a00\u7279\u6027 <\/h3>\n

C#\u62e5\u6709\u8bb8\u591a\u73b0\u4ee3\u7f16\u7a0b\u8bed\u8a00\u7684\u7279\u6027，\u5305\u62ec\u6cdb\u578b\u3001\u533f\u540d\u65b9\u6cd5\u3001lambda\u8868\u8fbe\u5f0f\u3001 LINQ \u67e5\u8be2\u8868\u8fbe\u5f0f\u548c\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\u3002\u6cdb\u578b\u5141\u8bb8\u7f16\u5199\u4e0e\u6570\u636e\u7c7b\u578b\u65e0\u5173\u7684\u4ee3\u7801，\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u590d\u7528\u6027\u3002\u533f\u540d\u65b9\u6cd5\u548clambda\u8868\u8fbe\u5f0f\u7b80\u5316\u4e86\u4e8b\u4ef6\u5904\u7406\u548c\u56de\u8c03\u51fd\u6570\u7684\u7f16\u5199\u3002LINQ\u4f7f\u5f97\u5904\u7406\u6570\u636e\u96c6\u5408\u53d8\u5f97\u66f4\u4e3a\u76f4\u89c2\u548c\u5f3a\u5927\u3002C# 5.0\u5f15\u5165\u7684\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\u901a\u8fc7 async \u548c await \u5173\u952e\u5b57，\u4f7f\u5f97\u5f02\u6b65\u4ee3\u7801\u7f16\u5199\u8d77\u6765\u4e0e\u540c\u6b65\u4ee3\u7801\u4e00\u6837\u7b80\u5355\u76f4\u89c2\u3002 <\/p>\n

1.3 \u5f00\u53d1\u73af\u5883\u4e0e\u5de5\u5177 <\/h3>\n

\u5728\u5f00\u59cbC#\u7f16\u7a0b\u4e4b\u524d，\u9700\u8981\u914d\u7f6e\u5408\u9002\u7684\u5f00\u53d1\u73af\u5883\u3002\u6700\u4e3a\u63a8\u8350\u7684IDE\u662fVisual Studio，\u5b83\u7531\u5fae\u8f6f\u63d0\u4f9b，\u5e76\u4e14\u5b8c\u5168\u652f\u6301C#\u8bed\u8a00\u3002Visual Studio\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u4ee3\u7801\u7f16\u8f91\u3001\u7f16\u8bd1\u548c\u8c03\u8bd5\u529f\u80fd，\u8fd8\u96c6\u6210\u4e86\u5f3a\u5927\u7684\u8bbe\u8ba1\u5de5\u5177，\u53ef\u4ee5\u56fe\u5f62\u5316\u521b\u5efa\u7528\u6237\u754c\u9762\u3002\u6b64\u5916，\u5bf9\u4e8e\u7248\u672c\u63a7\u5236，Visual Studio\u96c6\u6210\u4e86Git\u548cTFS（Team Foundation Server），\u4ece\u800c\u65b9\u4fbf\u56e2\u961f\u534f\u4f5c\u548c\u4ee3\u7801\u7ba1\u7406\u3002\u5728\u5b66\u4e60C#\u7684\u8fc7\u7a0b\u4e2d，\u719f\u7ec3\u4f7f\u7528Visual Studio\u662f\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u7684\u91cd\u8981\u9014\u5f84\u3002 <\/p>\n

2. ``` <\/h2>\n

\u7b2c\u4e8c\u7ae0：Visual Studio 2010\u5f00\u53d1\u73af\u5883\u914d\u7f6e <\/h2>\n

2.1 \u5f00\u53d1\u73af\u5883\u7684\u5b89\u88c5\u4e0e\u521d\u59cb\u5316 <\/h3>\n

2.1.1 Visual Studio 2010\u5b89\u88c5\u6b65\u9aa4 <\/h4>\n

Visual Studio 2010\u662f\u5fae\u8f6f\u63a8\u51fa\u7684\u4e00\u6b3e\u6210\u719f\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883（IDE），\u5b83\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00，\u5305\u62ecC#\u3002\u5b89\u88c5Visual Studio 2010\u662f\u4e00\u4e2a\u76f8\u5bf9\u76f4\u63a5\u7684\u8fc7\u7a0b，\u4ee5\u4e0b\u8be6\u7ec6\u6b65\u9aa4\u5c06\u4f1a\u5f15\u5bfc\u60a8\u5b8c\u6210\u5b89\u88c5： <\/p>\n

  • \u4e0b\u8f7dVisual Studio 2010\u5b89\u88c5\u5305\u3002\u53ef\u4ee5\u901a\u8fc7\u5fae\u8f6f\u5b98\u65b9\u7f51\u7ad9\u83b7\u53d6\u5b89\u88c5\u4ecb\u8d28\u3002 <\/li>\n
  • \u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f，\u6309\u7167\u5411\u5bfc\u6307\u793a，\u63a5\u53d7\u8bb8\u53ef\u534f\u8bae，\u5e76\u9009\u62e9\u8981\u5b89\u88c5\u7684\u4ea7\u54c1\u548c\u529f\u80fd\u3002 <\/li>\n
  • \u5728\u201c\u9009\u62e9\u5b89\u88c5\u9009\u9879\u201d\u9875\u9762，\u9009\u62e9\u201c\u81ea\u5b9a\u4e49\u201d\u5b89\u88c5，\u4ee5\u4fbf\u9009\u62e9\u9700\u8981\u7684\u7ec4\u4ef6\u3002 <\/li>\n
  • \u5728\u201c\u51c6\u5907\u5b89\u88c5\u201d\u9875\u9762，\u68c0\u67e5\u914d\u7f6e\u662f\u5426\u6ee1\u8db3\u8f6f\u4ef6\u8981\u6c42，\u7136\u540e\u70b9\u51fb\u201c\u5b89\u88c5\u201d\u5f00\u59cb\u5b89\u88c5\u8fc7\u7a0b\u3002 <\/li>\n
  • \u5b89\u88c5\u5b8c\u6210\u540e，\u91cd\u542f\u8ba1\u7b97\u673a\u3002 <\/li>\n

    2.1.2 \u5f00\u53d1\u73af\u5883\u7684\u4e2a\u6027\u5316\u914d\u7f6e <\/h4>\n

    \u5b89\u88c5Visual Studio 2010\u540e，\u60a8\u5c06\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u4e2a\u6027\u5316\u914d\u7f6e\u4ee5\u9002\u5e94\u60a8\u7684\u5f00\u53d1\u4e60\u60ef\u548c\u9879\u76ee\u9700\u6c42\u3002\u8fd9\u4e9b\u914d\u7f6e\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e： <\/p>\n

  • \u4ee3\u7801\u7f16\u8f91\u5668\u8bbe\u7f6e ：\u53ef\u4ee5\u8bbe\u7f6e\u4ee3\u7801\u7684\u5b57\u4f53\u5927\u5c0f\u3001\u989c\u8272\u4e3b\u9898\u3001\u7f29\u8fdb\u548c\u5e03\u5c40\u7b49\u3002 <\/li>\n
  • \u5de5\u5177\u9009\u9879\u914d\u7f6e ：\u53ef\u4ee5\u8bbe\u7f6e\u9879\u76ee\u521b\u5efa\u65f6\u7684\u9ed8\u8ba4\u5c5e\u6027\u3001\u81ea\u52a8\u4fdd\u5b58\u8bbe\u7f6e\u7b49\u3002 <\/li>\n
  • \u5feb\u6377\u952e\u914d\u7f6e ：\u53ef\u4ee5\u81ea\u5b9a\u4e49\u7f16\u8f91\u5668\u4e2d\u7684\u5feb\u6377\u952e，\u4ee5\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002 <\/li>\n
  • \u63d2\u4ef6\u548c\u6269\u5c55 ：\u53ef\u4ee5\u5b89\u88c5\u989d\u5916\u7684\u63d2\u4ef6\u548c\u6269\u5c55，\u4ee5\u589e\u5f3aVisual Studio 2010\u7684\u529f\u80fd\u3002 <\/li>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\u5757，\u5c55\u793a\u5982\u4f55\u901a\u8fc7\u4ee3\u7801\u7f16\u8f91\u5668\u8bbe\u7f6e\u6765\u589e\u52a0\u4ee3\u7801\u53ef\u8bfb\u6027： <\/p>\n

    \/\/ \u793a\u4f8b\u4ee3\u7801\u5757，\u6f14\u793a\u5982\u4f55\u5728C#\u4e2d\u4f7f\u7528regions\u6765\u7ec4\u7ec7\u4ee3\u7801
    \nregions "MyClass"
    \n public class MyClass
    \n {
    \n \/\/ \u7c7b\u6210\u5458\u548c\u65b9\u6cd5
    \n }
    \nregions<\/p>\n

    2.1.3 \u4e2a\u6027\u5316\u914d\u7f6e\u7684\u4ee3\u7801\u903b\u8f91\u89e3\u8bfb <\/h4>\n

    \u4e0a\u8ff0\u793a\u4f8b\u4ee3\u7801\u6bb5\u5c55\u793a\u4e86\u5982\u4f55\u5728C#\u4ee3\u7801\u4e2d\u4f7f\u7528regions\u6765\u7ec4\u7ec7\u4ee3\u7801，\u8fd9\u662f\u4e2a\u6027\u5316\u914d\u7f6e\u7684\u4e00\u4e2a\u65b9\u9762\u3002 regions \u6307\u4ee4\u5141\u8bb8\u5f00\u53d1\u8005\u521b\u5efa\u53ef\u6298\u53e0\u7684\u4ee3\u7801\u533a\u57df，\u4ee5\u51cf\u5c11\u4ee3\u7801\u7f16\u8f91\u5668\u4e2d\u7684\u89c6\u89c9\u5e72\u6270，\u6709\u52a9\u4e8e\u5c06\u4ee3\u7801\u5206\u5757，\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 <\/p>\n

    2.2 C#\u9879\u76ee\u7ed3\u6784\u4e0e\u6587\u4ef6\u7ba1\u7406 <\/h3>\n

    2.2.1 \u521b\u5efa\u4e0e\u7ba1\u7406\u9879\u76ee <\/h4>\n

    C#\u9879\u76ee\u7ba1\u7406\u662f\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u5173\u952e\u6b65\u9aa4\u3002\u521b\u5efa\u548c\u7ba1\u7406\u9879\u76ee\u6d89\u53ca\u5230\u5b9a\u4e49\u9879\u76ee\u7c7b\u578b\u3001\u914d\u7f6e\u9879\u76ee\u5c5e\u6027\u548c\u7ba1\u7406\u9879\u76ee\u6587\u4ef6\u3002Visual Studio 2010\u63d0\u4f9b\u4e86\u76f4\u89c2\u7684\u7528\u6237\u754c\u9762\u6765\u5f15\u5bfc\u60a8\u5b8c\u6210\u8fd9\u4e9b\u4efb\u52a1\u3002 <\/p>\n

  • \u6253\u5f00Visual Studio 2010\u3002 <\/li>\n
  • \u9009\u62e9\u201c\u6587\u4ef6\u201d\u83dc\u5355\u4e2d\u7684\u201c\u65b0\u5efa\u201d\u7136\u540e\u201c\u9879\u76ee…\u201d\u3002 <\/li>\n
  • \u5728\u201c\u65b0\u5efa\u9879\u76ee\u201d\u5bf9\u8bdd\u6846\u4e2d，\u9009\u62e9\u9002\u5408\u7684\u9879\u76ee\u7c7b\u578b，\u5e76\u8bbe\u7f6e\u9879\u76ee\u540d\u79f0\u548c\u4f4d\u7f6e\u3002 <\/li>\n
  • \u70b9\u51fb\u201c\u786e\u5b9a\u201d\u521b\u5efa\u9879\u76ee\u3002 <\/li>\n

    \u521b\u5efa\u9879\u76ee\u540e，\u60a8\u53ef\u4ee5\u901a\u8fc7\u9879\u76ee\u8d44\u6e90\u7ba1\u7406\u5668\u6765\u7ba1\u7406\u9879\u76ee\u4e2d\u7684\u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u6dfb\u52a0\u3001\u5220\u9664\u6587\u4ef6，\u4ee5\u53ca\u5bf9\u73b0\u6709\u6587\u4ef6\u8fdb\u884c\u7f16\u8f91\u3002 <\/p>\n

    2.2.2 \u6587\u4ef6\u7c7b\u578b\u4e0e\u529f\u80fd\u89e3\u6790 <\/h4>\n

    \u5728Visual Studio 2010\u4e2d，\u4e00\u4e2aC#\u9879\u76ee\u5305\u542b\u591a\u79cd\u7c7b\u578b\u7684\u6587\u4ef6，\u6bcf\u79cd\u6587\u4ef6\u90fd\u6709\u5176\u7279\u5b9a\u7684\u529f\u80fd\u3002\u4f8b\u5982： <\/p>\n

      \n
    • .cs\u6587\u4ef6 ：\u5305\u542bC#\u6e90\u4ee3\u7801，\u662f\u6784\u6210\u9879\u76ee\u6838\u5fc3\u903b\u8f91\u7684\u6587\u4ef6\u3002 <\/li>\n
    • .sln\u6587\u4ef6 ：\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u914d\u7f6e\u4fe1\u606f，\u662fVisual Studio\u6253\u5f00\u9879\u76ee\u7684\u5165\u53e3\u70b9\u3002 <\/li>\n
    • .csproj\u6587\u4ef6 ：\u5305\u542b\u9879\u76ee\u8bbe\u7f6e\u548c\u9879\u76ee\u4e2d\u6587\u4ef6\u7684\u5217\u8868，\u5bf9\u9879\u76ee\u7f16\u8bd1\u8fc7\u7a0b\u81f3\u5173\u91cd\u8981\u3002 <\/li>\n<\/ul>\n

      2.2.3 \u6587\u4ef6\u7ba1\u7406\u7684\u4ee3\u7801\u903b\u8f91\u89e3\u8bfb <\/h4>\n

      \u7406\u89e3C#\u9879\u76ee\u4e2d\u7684\u6587\u4ef6\u7c7b\u578b\u662f\u8fdb\u884c\u6709\u6548\u9879\u76ee\u7ba1\u7406\u7684\u5173\u952e\u3002\u8ba9\u6211\u4eec\u6765\u67e5\u770b\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u65b0\u7684C#\u7c7b\u6587\u4ef6\u7684\u793a\u4f8b\u4ee3\u7801： <\/p>\n

      \/\/ \u793a\u4f8b\u4ee3\u7801\u5757，\u6f14\u793a\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u65b0\u7684C#\u7c7b
      \nusing System;<\/p>\n

      namespace ProjectName
      \n{
      \n class Program
      \n {
      \n static void Main(string[] args)
      \n {
      \n Console.WriteLine("Hello World!");
      \n }
      \n }
      \n}<\/p>\n

      \u4e0a\u8ff0\u4ee3\u7801\u5c55\u793a\u4e86\u521b\u5efa\u4e00\u4e2aC#\u63a7\u5236\u53f0\u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u672c\u6846\u67b6\u3002\u5176\u4e2d namespace \u5173\u952e\u5b57\u7528\u4e8e\u5b9a\u4e49\u9879\u76ee\u4e2d\u4ee3\u7801\u7684\u903b\u8f91\u5206\u7ec4\u3002 class \u5173\u952e\u5b57\u7528\u4e8e\u5b9a\u4e49\u7c7b，\u8fd9\u662fC#\u4e2d\u6700\u57fa\u672c\u7684\u4ee3\u7801\u7ec4\u7ec7\u5355\u5143\u3002 Main \u65b9\u6cd5\u662f\u7a0b\u5e8f\u7684\u5165\u53e3\u70b9，\u5f53\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u65f6，\u5b83\u5c06\u9996\u5148\u88ab\u6267\u884c\u3002 <\/p>\n

      2.3 \u96c6\u6210\u5f00\u53d1\u5de5\u5177\u7684\u4f7f\u7528 <\/h3>\n

      2.3.1 \u8c03\u8bd5\u5de5\u5177\u7684\u4ecb\u7ecd\u4e0e\u5e94\u7528 <\/h4>\n

      \u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d，\u8c03\u8bd5\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u4e2a\u73af\u8282\u3002Visual Studio 2010\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8c03\u8bd5\u5de5\u5177\u6765\u5e2e\u52a9\u5f00\u53d1\u8005\u53d1\u73b0\u548c\u4fee\u590d\u4ee3\u7801\u4e2d\u7684\u9519\u8bef\u3002\u8fd9\u4e9b\u5de5\u5177\u5305\u62ec\u65ad\u70b9\u3001\u6b65\u8fdb\u8c03\u8bd5\u3001\u76d1\u89c6\u7a97\u53e3\u7b49\u3002 <\/p>\n

      \u8981\u8bbe\u7f6e\u65ad\u70b9，\u60a8\u53ea\u9700\u5728\u60a8\u60f3\u8981\u7a0b\u5e8f\u6682\u505c\u7684\u4ee3\u7801\u884c\u4e0a\u70b9\u51fb\u5de6\u4fa7\u7684\u8fb9\u7f18，\u6216\u8005\u901a\u8fc7\u70b9\u51fb\u83dc\u5355\u680f\u7684\u201c\u8c03\u8bd5\u201d\u7136\u540e\u9009\u62e9\u201c\u5207\u6362\u65ad\u70b9\u201d\u3002 <\/p>\n

      \u5728\u8c03\u8bd5\u6a21\u5f0f\u4e0b\u8fd0\u884c\u7a0b\u5e8f（\u901a\u8fc7\u6309F5\u6216\u70b9\u51fb\u201c\u5f00\u59cb\u8c03\u8bd5\u201d\u6309\u94ae），\u7a0b\u5e8f\u5c06\u5728\u5230\u8fbe\u7b2c\u4e00\u4e2a\u65ad\u70b9\u65f6\u6682\u505c\u3002\u6b64\u65f6，\u60a8\u53ef\u4ee5\u4f7f\u7528\u201c\u5355\u6b65\u6267\u884c\u201d\u529f\u80fd\u9010\u884c\u6267\u884c\u4ee3\u7801，\u89c2\u5bdf\u53d8\u91cf\u7684\u5b9e\u65f6\u503c\u53d8\u5316\u3002 <\/p>\n

      2.3.2 \u4ee3\u7801\u4f18\u5316\u4e0e\u6027\u80fd\u5206\u6790\u5de5\u5177 <\/h4>\n

      \u4ee3\u7801\u4f18\u5316\u548c\u6027\u80fd\u5206\u6790\u5bf9\u4e8e\u521b\u5efa\u9ad8\u6027\u80fd\u7684\u8f6f\u4ef6\u81f3\u5173\u91cd\u8981\u3002Visual Studio 2010\u5185\u7f6e\u4e86\u6027\u80fd\u5206\u6790\u5de5\u5177，\u5982\u6027\u80fd\u5206\u6790\u5668（Profiler），\u5b83\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u627e\u51fa\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u7684\u6027\u80fd\u74f6\u9888\u3002 <\/p>\n

      \u6027\u80fd\u5206\u6790\u5de5\u5177\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u6027\u80fd\u6570\u636e\u89c6\u56fe，\u4f8b\u5982\u8c03\u7528\u6811\u3001\u65f6\u95f4\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u5229\u7528\u8fd9\u4e9b\u6570\u636e，\u5f00\u53d1\u8005\u53ef\u4ee5\u8bc6\u522b\u7a0b\u5e8f\u4e2d\u9700\u8981\u4f18\u5316\u7684\u90e8\u5206，\u5e76\u6839\u636e\u5206\u6790\u7ed3\u679c\u8fdb\u884c\u6539\u8fdb\u3002 <\/p>\n

      2.3.3 \u4ee3\u7801\u4f18\u5316\u4e0e\u6027\u80fd\u5206\u6790\u7684\u4ee3\u7801\u903b\u8f91\u89e3\u8bfb <\/h4>\n

      \u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u4f18\u5316\u793a\u4f8b： <\/p>\n

      \/\/ \u793a\u4f8b\u4ee3\u7801\u5757，\u6f14\u793a\u5982\u4f55\u4f18\u5316\u5faa\u73af\u7ed3\u6784\u4ee5\u51cf\u5c11\u8d44\u6e90\u6d88\u8017
      \nfor (int i = 0; i < 10000; i++)
      \n{
      \n \/\/ \u4f18\u5316\u524d\u7684\u903b\u8f91
      \n}<\/p>\n

      \/\/ \u4f18\u5316\u540e\u7684\u903b\u8f91，\u51cf\u5c11\u4e86\u5faa\u73af\u5185\u90e8\u7684\u8ba1\u7b97\u91cf
      \nfor (int i = 0; i < 10000; i++)
      \n{
      \n if (i % 2 == 0)
      \n {
      \n \/\/ \u53ea\u5728\u5076\u6570\u5faa\u73af\u4e2d\u6267\u884c\u76f8\u5173\u903b\u8f91
      \n }
      \n}<\/p>\n

      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u5bf9\u5faa\u73af\u8fdb\u884c\u4e86\u7b80\u5355\u7684\u4f18\u5316\u3002\u5728\u4f18\u5316\u524d，\u5faa\u73af\u4e2d\u7684\u6bcf\u4e2a\u8fed\u4ee3\u90fd\u4f1a\u6267\u884c\u76f8\u540c\u7684\u903b\u8f91\u3002\u5728\u4f18\u5316\u540e，\u6211\u4eec\u6dfb\u52a0\u4e86\u4e00\u4e2a\u6761\u4ef6\u5224\u65ad，\u4ec5\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b（\u4f8b\u5982，\u5f53\u7d22\u5f15 i \u662f\u5076\u6570\u65f6）\u6267\u884c\u903b\u8f91\u3002\u8fd9\u79cd\u4f18\u5316\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97，\u7279\u522b\u662f\u5728\u5faa\u73af\u6761\u4ef6\u5f88\u5bb9\u6613\u6ee1\u8db3\u7684\u60c5\u51b5\u4e0b，\u8fd9\u6837\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u7a0b\u5e8f\u7684\u8fd0\u884c\u65f6\u95f4\u548c\u8d44\u6e90\u6d88\u8017\u3002 <\/p>\n

      \u4ee5\u4e0a\u662f\u7b2c\u4e8c\u7ae0\u7684\u5185\u5bb9，\u7531\u6d45\u5165\u6df1\u4ecb\u7ecd\u4e86Visual Studio 2010\u5f00\u53d1\u73af\u5883\u7684\u914d\u7f6e\u3001\u5b89\u88c5\u3001\u4e2a\u6027\u5316\u914d\u7f6e\u3001\u9879\u76ee\u7ba1\u7406\u3001\u6587\u4ef6\u7ed3\u6784\u89e3\u6790\u4ee5\u53ca\u8c03\u8bd5\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177\u7684\u4f7f\u7528\u3002\u6587\u7ae0\u4e2d\u7a7f\u63d2\u4e86\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u548c\u903b\u8f91\u5206\u6790，\u4e3aIT\u884c\u4e1a\u4ece\u4e1a\u8005\u63d0\u4f9b\u4e86\u6df1\u5165\u7406\u89e3Visual Studio 2010\u548cC#\u9879\u76ee\u7ba1\u7406\u7684\u8d44\u6e90\u3002<\/p>\n

      # 3. SqueezeBox\u670d\u52a1\u5668API\u64cd\u4f5c\u8be6\u89e3<\/p>\n

      ### 3.1 API\u6982\u8ff0\u4e0e\u8c03\u7528\u57fa\u7840<\/p>\n

      #### 3.1.1 API\u7684\u6838\u5fc3\u529f\u80fd\u4e0e\u63a5\u53e3\u4ecb\u7ecd<\/p>\n

      SqueezeBox\u670d\u52a1\u5668\u662f\u4e00\u6b3e\u6d41\u5a92\u4f53\u64ad\u653e\u8bbe\u5907\u7684\u63a7\u5236\u670d\u52a1\u5668，\u5176API\u63d0\u4f9b\u4e86\u5bf9\u8bbe\u5907\u8fdb\u884c\u7ba1\u7406\u7684\u80fd\u529b，\u6bd4\u5982\u64ad\u653e\u3001\u505c\u6b62\u3001\u6682\u505c\u3001\u97f3\u91cf\u63a7\u5236\u7b49\u3002API\u7684\u6838\u5fc3\u529f\u80fd\u4e3b\u8981\u56f4\u7ed5\u7740\u5bf9\u97f3\u4e50\u5e93\u7684\u7ba1\u7406\u4ee5\u53ca\u5bf9\u64ad\u653e\u5668\u672c\u8eab\u7684\u64cd\u4f5c\u3002\u8fd9\u4e9b\u63a5\u53e3\u901a\u8fc7HTTP\u8bf7\u6c42\u7684\u65b9\u5f0f\u66b4\u9732\u7ed9\u5f00\u53d1\u8005，\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u901a\u8fc7\u7f16\u5199\u811a\u672c\u6216\u96c6\u6210\u5230\u5e94\u7528\u7a0b\u5e8f\u4e2d，\u4ece\u800c\u5b9e\u73b0\u5bf9SqueezeBox\u670d\u52a1\u5668\u7684\u8fdc\u7a0b\u63a7\u5236\u3002<\/p>\n

      API\u63a5\u53e3\u5927\u4f53\u4e0a\u53ef\u4ee5\u5206\u4e3a\u51e0\u4e2a\u4e3b\u8981\u90e8\u5206：<\/p>\n

      – **\u64ad\u653e\u63a7\u5236**：\u63a7\u5236\u97f3\u4e50\u64ad\u653e\u3001\u6682\u505c\u3001\u505c\u6b62\u3001\u8df3\u8fc7\u7b49\u64cd\u4f5c\u3002
      \n– **\u64ad\u653e\u5217\u8868\u7ba1\u7406**：\u7ba1\u7406\u64ad\u653e\u5217\u8868，\u6dfb\u52a0\u6216\u5220\u9664\u6b4c\u66f2\u3002
      \n– **\u97f3\u91cf\u63a7\u5236**：\u8c03\u6574\u97f3\u91cf\u5927\u5c0f，\u9759\u97f3\u7b49\u3002
      \n– **\u8bbe\u5907\u72b6\u6001\u67e5\u8be2**：\u67e5\u8be2\u8bbe\u5907\u5f53\u524d\u72b6\u6001，\u5982\u6b63\u5728\u64ad\u653e\u7684\u6b4c\u66f2\u3001\u97f3\u91cf\u5927\u5c0f\u7b49\u3002
      \n– **\u97f3\u4e50\u5e93\u7ba1\u7406**：\u7ba1\u7406\u97f3\u4e50\u5e93，\u5982\u641c\u7d22\u97f3\u4e50\u3001\u66f4\u65b0\u97f3\u4e50\u5e93\u7b49\u3002<\/p>\n

      \u4f7f\u7528\u8fd9\u4e9bAPI\u4e4b\u524d，\u5f00\u53d1\u8005\u9700\u8981\u7406\u89e3\u6bcf\u4e2a\u63a5\u53e3\u7684\u5177\u4f53\u4f5c\u7528\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u8c03\u7528\u5b83\u4eec\u3002<\/p>\n

      #### 3.1.2 \u8c03\u7528API\u7684\u57fa\u672c\u65b9\u6cd5\u4e0e\u793a\u4f8b<\/p>\n

      API\u8c03\u7528\u7684\u57fa\u672c\u65b9\u6cd5\u901a\u5e38\u9075\u5faaHTTP\u534f\u8bae\u7684\u89c4\u8303，\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001GET\u3001POST\u3001PUT\u3001DELETE\u7b49HTTP\u8bf7\u6c42\u5230\u6307\u5b9a\u7684API\u7aef\u70b9\u6765\u5b9e\u73b0\u3002\u5f00\u53d1\u8005\u9700\u8981\u6784\u9020\u6b63\u786e\u7684HTTP\u8bf7\u6c42，\u540c\u65f6\u5305\u62ec\u5fc5\u8981\u7684HTTP\u5934\u4fe1\u606f\u5982\u8ba4\u8bc1\u4fe1\u606f\u7b49\u3002<\/p>\n

      \u793a\u4f8b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528`HttpClient`\u7c7b\u5728C#\u4e2d\u53d1\u8d77\u4e00\u4e2aGET\u8bf7\u6c42：<\/p>\n

      ```csharp
      \nusing System;
      \nusing System.Net.Http;
      \nusing System.Threading.Tasks;<\/p>\n

      public class SqueezeBoxApiExample
      \n{
      \n private const string BaseAddress = "http:\/\/squeezebox-server\/api\/";
      \n private const string ApiKey = "YourApiKeyHere";<\/p>\n

      public static async Task Main(string[] args)
      \n {
      \n using (var httpClient = new HttpClient())
      \n {
      \n \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u5934
      \n httpClient.DefaultRequestHeaders.Add("X-Api-Key", ApiKey);
      \n \/\/ \u8c03\u7528\u64ad\u653e\u63a7\u5236API\u793a\u4f8b
      \n var response = await httpClient.GetAsync(BaseAddress + "play");<\/p>\n

      if (response.IsSuccessStatusCode)
      \n {
      \n string jsonResponse = await response.Content.ReadAsStringAsync();
      \n Console.WriteLine("Server response: " + jsonResponse);
      \n }
      \n else
      \n {
      \n Console.WriteLine("Error: " + response.StatusCode);
      \n }
      \n }
      \n }
      \n}<\/p>\n

      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u9996\u5148\u5f15\u5165\u4e86\u5fc5\u8981\u7684\u547d\u540d\u7a7a\u95f4，\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a HttpClient \u5b9e\u4f8b\u7528\u4e8e\u53d1\u8d77HTTP\u8bf7\u6c42\u3002\u901a\u8fc7\u6dfb\u52a0API Key\u5230\u8bf7\u6c42\u5934\u4e2d\u6765\u5b9e\u73b0\u8ba4\u8bc1\u3002\u7136\u540e，\u4f7f\u7528 GetAsync \u65b9\u6cd5\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2aGET\u8bf7\u6c42，\u5e76\u7b49\u5f85\u54cd\u5e94\u3002\u5982\u679c\u54cd\u5e94\u6210\u529f，\u6211\u4eec\u8bfb\u53d6\u8fd4\u56de\u7684JSON\u6570\u636e\u5e76\u6253\u5370\u51fa\u6765\u3002 <\/p>\n

      3.2 \u9ad8\u7ea7API\u529f\u80fd\u4e0e\u5b9e\u8df5 <\/h4>\n

      3.2.1 \u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u72b6\u6001\u7ba1\u7406 <\/h5>\n

      \u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u72b6\u6001\u7ba1\u7406\u662f\u9ad8\u7ea7API\u529f\u80fd\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u901a\u8fc7API，\u5f00\u53d1\u8005\u53ef\u4ee5\u67e5\u8be2\u670d\u52a1\u5668\u7684\u5f53\u524d\u72b6\u6001，\u5305\u62ec\u6b63\u5728\u64ad\u653e\u7684\u5a92\u4f53\u3001\u97f3\u91cf\u8bbe\u7f6e\u3001\u64ad\u653e\u5217\u8868\u4fe1\u606f\u7b49\u3002\u8fd9\u4e9b\u4fe1\u606f\u5bf9\u4e8e\u5f00\u53d1\u7528\u6237\u754c\u9762\u548c\u72b6\u6001\u663e\u793a\u529f\u80fd\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n

      \u4e3a\u4e86\u83b7\u53d6\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u72b6\u6001，\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0bAPI\u8c03\u7528\u793a\u4f8b： <\/p>\n

      using System;
      \nusing System.Net.Http;
      \nusing System.Threading.Tasks;<\/p>\n

      public class SqueezeBoxServerStatusExample
      \n{
      \n private const string BaseAddress = "http:\/\/squeezebox-server\/api\/";
      \n private const string ApiKey = "YourApiKeyHere";<\/p>\n

      public static async Task Main(string[] args)
      \n {
      \n using (var httpClient = new HttpClient())
      \n {
      \n \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u5934
      \n httpClient.DefaultRequestHeaders.Add("X-Api-Key", ApiKey);
      \n \/\/ \u8c03\u7528\u83b7\u53d6\u670d\u52a1\u5668\u72b6\u6001API\u793a\u4f8b
      \n var response = await httpClient.GetAsync(BaseAddress + "status");<\/p>\n

      if (response.IsSuccessStatusCode)
      \n {
      \n string jsonResponse = await response.Content.ReadAsStringAsync();
      \n Console.WriteLine("Server status: " + jsonResponse);
      \n }
      \n else
      \n {
      \n Console.WriteLine("Error: " + response.StatusCode);
      \n }
      \n }
      \n }
      \n}<\/p>\n

      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u5411\u670d\u52a1\u5668\u53d1\u8d77\u4e86\u4e00\u4e2aGET\u8bf7\u6c42\u6765\u83b7\u53d6\u72b6\u6001\u4fe1\u606f\u3002\u901a\u8fc7\u5206\u6790\u8fd4\u56de\u7684JSON\u6570\u636e，\u5f00\u53d1\u8005\u53ef\u4ee5\u4e86\u89e3\u670d\u52a1\u5668\u7684\u5f53\u524d\u64ad\u653e\u72b6\u6001，\u5e76\u636e\u6b64\u66f4\u65b0\u7528\u6237\u754c\u9762\u6216\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u903b\u8f91\u5904\u7406\u3002 <\/p>\n

      3.2.2 \u97f3\u4e50\u5e93\u7684\u67e5\u8be2\u4e0e\u66f4\u65b0\u64cd\u4f5c <\/h5>\n

      \u97f3\u4e50\u5e93\u7684\u67e5\u8be2\u4e0e\u66f4\u65b0\u662f\u6d41\u5a92\u4f53\u670d\u52a1\u5668API\u63d0\u4f9b\u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5229\u7528API\u6765\u67e5\u8be2\u97f3\u4e50\u5e93\u4e2d\u7684\u5185\u5bb9，\u5982\u6b4c\u66f2\u3001\u4e13\u8f91\u3001\u827a\u672f\u5bb6\u7b49\u4fe1\u606f，\u5e76\u4e14\u53ef\u4ee5\u6267\u884c\u66f4\u65b0\u64cd\u4f5c，\u5305\u62ec\u540c\u6b65\u97f3\u4e50\u5e93\u548c\u6dfb\u52a0\u65b0\u7684\u6b4c\u66f2\u5230\u5e93\u4e2d\u3002 <\/p>\n

      \u4e0b\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5728C#\u4e2d\u67e5\u8be2\u97f3\u4e50\u5e93： <\/p>\n

      using System;
      \nusing System.Net.Http;
      \nusing System.Threading.Tasks;<\/p>\n

      public class SqueezeBoxLibraryQueryExample
      \n{
      \n private const string BaseAddress = "http:\/\/squeezebox-server\/api\/";
      \n private const string ApiKey = "YourApiKeyHere";<\/p>\n

      public static async Task Main(string[] args)
      \n {
      \n using (var httpClient = new HttpClient())
      \n {
      \n \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u5934
      \n httpClient.DefaultRequestHeaders.Add("X-Api-Key", ApiKey);
      \n \/\/ \u8c03\u7528\u97f3\u4e50\u5e93\u67e5\u8be2API\u793a\u4f8b
      \n var response = await httpClient.GetAsync(BaseAddress + "library");<\/p>\n

      if (response.IsSuccessStatusCode)
      \n {
      \n string jsonResponse = await response.Content.ReadAsStringAsync();
      \n Console.WriteLine("Library content: " + jsonResponse);
      \n }
      \n else
      \n {
      \n Console.WriteLine("Error: " + response.StatusCode);
      \n }
      \n }
      \n }
      \n}<\/p>\n

      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d，\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2aGET\u8bf7\u6c42\u6765\u67e5\u8be2\u97f3\u4e50\u5e93\u7684\u5185\u5bb9，\u5e76\u6253\u5370\u51fa\u8fd4\u56de\u7684JSON\u6570\u636e\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u8fd4\u56de\u7684\u6570\u636e\u7ed3\u6784，\u89e3\u6790\u51fa\u6240\u9700\u7684\u4fe1\u606f，\u5982\u6b4c\u66f2\u5217\u8868\u3001\u827a\u672f\u5bb6\u4fe1\u606f\u7b49，\u5e76\u5c06\u5176\u7528\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u5176\u4ed6\u529f\u80fd\u3002 <\/p>\n

      \u901a\u8fc7\u8fd9\u4e9bAPI\u7684\u8c03\u7528\u548c\u5b9e\u8df5，\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u5168\u9762\u63a7\u5236，\u4e0d\u4ec5\u53ef\u4ee5\u8fdb\u884c\u57fa\u672c\u7684\u64ad\u653e\u63a7\u5236，\u8fd8\u53ef\u4ee5\u7ba1\u7406\u97f3\u4e50\u5e93\u5e76\u83b7\u53d6\u5b9e\u65f6\u7684\u670d\u52a1\u5668\u72b6\u6001，\u4ece\u800c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e00\u4e2a\u6d41\u7545\u548c\u4e30\u5bcc\u7684\u97f3\u4e50\u64ad\u653e\u4f53\u9a8c\u3002 <\/p>\n

      4. HTTP\u8bf7\u6c42\u4e0eJSON\u6570\u636e\u4ea4\u4e92 <\/h2>\n

      4.1 HttpClient\u7c7b\u7684\u4f7f\u7528\u6280\u5de7 <\/h3>\n

      4.1.1 HttpClient\u7684\u57fa\u672c\u4f7f\u7528 <\/h4>\n

      \u5728\u73b0\u4ee3Web\u5e94\u7528\u4e2d，\u4e0e\u8fdc\u7a0b\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u5df2\u6210\u4e3a\u5fc5\u4e0d\u53ef\u5c11\u7684\u529f\u80fd\u3002\u5728C#\u4e2d，HttpClient\u7c7b\u662f\u6267\u884cHTTP\u8bf7\u6c42\u7684\u5e38\u7528\u5de5\u5177\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u5957\u4e30\u5bcc\u7684API\u6765\u53d1\u9001\u548c\u63a5\u6536HTTP\u6d88\u606f，\u53ef\u4ee5\u540c\u6b65\u6216\u5f02\u6b65\u65b9\u5f0f\u5de5\u4f5c，\u5e76\u4e14\u6613\u4e8e\u4f7f\u7528\u548c\u96c6\u6210\u3002 <\/p>\n

      \u8981\u4f7f\u7528HttpClient，\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2aHttpClient\u5b9e\u4f8b\u3002\u8fd9\u53ef\u4ee5\u662f\u9ed8\u8ba4\u6784\u9020\u51fd\u6570，\u4e5f\u53ef\u4ee5\u662f\u4f7f\u7528\u7279\u5b9a\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570，\u5982\u6307\u5b9a\u4e00\u4e2a\u57fa\u7840\u5730\u5740\u6216HttpMessageHandler\u3002\u4e00\u65e6\u6709\u4e86HttpClient\u5b9e\u4f8b，\u5c31\u53ef\u4ee5\u8c03\u7528\u8bf8\u5982 GetAsync \u3001 PostAsync \u3001 PutAsync \u3001 DeleteAsync \u7b49\u65b9\u6cd5\u6765\u53d1\u51faHTTP\u8bf7\u6c42\u3002 <\/p>\n

      \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b，\u6f14\u793a\u5982\u4f55\u4f7f\u7528HttpClient\u7c7b\u6765\u53d1\u9001\u4e00\u4e2aGET\u8bf7\u6c42\u5e76\u5904\u7406\u54cd\u5e94： <\/p>\n

      using System;
      \nusing System.Net.Http;
      \nusing System.Threading.Tasks;<\/p>\n

      class Program
      \n{
      \n static readonly HttpClient client = new HttpClient();<\/p>\n

      static async Task Main()
      \n {
      \n try
      \n {
      \n \/\/ \u53d1\u9001GET\u8bf7\u6c42
      \n HttpResponseMessage response = await client.GetAsync("http:\/\/example.com");<\/p>\n

      \/\/ \u786e\u4fdd\u54cd\u5e94\u6709\u6548
      \n response.EnsureSuccessStatusCode();<\/p>\n

      \/\/ \u8f93\u51fa\u54cd\u5e94\u5185\u5bb9
      \n string responseBody = await response.Content.ReadAsStringAsync();
      \n Console.WriteLine(responseBody);
      \n }
      \n catch(HttpRequestException e)
      \n {
      \n \/\/ \u5904\u7406\u53ef\u80fd\u7684\u8bf7\u6c42\u5f02\u5e38
      \n Console.WriteLine("\\\\nException Caught!");
      \n Console.WriteLine("Message :{0} ",e.Message);
      \n }
      \n }
      \n}<\/p>\n

      \u5728\u6b64\u793a\u4f8b\u4e2d，\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aHttpClient\u5b9e\u4f8b，\u5e76\u8c03\u7528\u4e86 GetAsync \u65b9\u6cd5\u53d1\u8d77\u4e00\u4e2aGET\u8bf7\u6c42\u3002\u6211\u4eec\u7b49\u5f85\u54cd\u5e94\u5e76\u786e\u4fdd\u54cd\u5e94\u72b6\u6001\u7801\u8868\u793a\u8bf7\u6c42\u6210\u529f\u3002\u7136\u540e，\u6211\u4eec\u8bfb\u53d6\u54cd\u5e94\u5185\u5bb9\u5e76\u5c06\u5176\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002 <\/p>\n

      4.1.2 \u5904\u7406HTTP\u8bf7\u6c42\u4e0e\u54cd\u5e94 <\/h4>\n

      \u5904\u7406HTTP\u8bf7\u6c42\u548c\u54cd\u5e94\u4e0d\u4ec5\u4ec5\u662f\u53d1\u9001\u8bf7\u6c42\u548c\u8bfb\u53d6\u54cd\u5e94\u4f53，\u8fd8\u5e94\u5305\u62ec\u5bf9\u54cd\u5e94\u72b6\u6001\u7801\u7684\u5904\u7406\u3001\u9519\u8bef\u5904\u7406\u3001\u5934\u90e8\u4fe1\u606f\u7684\u89e3\u6790\u7b49\u3002\u5728HttpClient\u4e2d，\u8fd9\u4e9b\u529f\u80fd\u540c\u6837\u5f97\u5230\u4e86\u826f\u597d\u7684\u652f\u6301\u3002 <\/p>\n

      \u5728\u5904\u7406HTTP\u54cd\u5e94\u65f6，\u901a\u5e38\u9700\u8981\u5173\u6ce8\u7684\u662f： <\/p>\n

        \n
      • \u54cd\u5e94\u72b6\u6001\u7801：\u4e86\u89e3\u8bf7\u6c42\u662f\u5426\u6210\u529f，\u6216\u8005\u5931\u8d25\u7684\u539f\u56e0\u3002 <\/li>\n
      • \u54cd\u5e94\u5934\u90e8：\u83b7\u53d6\u5982\u7f13\u5b58\u63a7\u5236\u3001\u5185\u5bb9\u7c7b\u578b\u7b49\u5173\u952e\u4fe1\u606f\u3002 <\/li>\n
      • \u54cd\u5e94\u4f53：\u901a\u5e38\u5305\u542bAPI\u8fd4\u56de\u7684\u6570\u636e\u3002 <\/li>\n<\/ul>\n

        \u5904\u7406\u8fd9\u4e9b\u4fe1\u606f\u7684\u4e00\u4e2a\u57fa\u672c\u793a\u4f8b\u5982\u4e0b： <\/p>\n

        \/\/ \u5f02\u6b65\u83b7\u53d6\u54cd\u5e94\u5934\u4fe1\u606f
        \nvar responseHeaders = await response.Headers.ReadHeaderAsync("Content-Type");
        \nConsole.WriteLine($"Content-Type: {responseHeaders}");<\/p>\n

        \u6b64\u5916，\u5904\u7406HTTP\u8bf7\u6c42\u65f6，\u53ef\u4ee5\u8bbe\u7f6e\u8bf7\u6c42\u5934\u90e8\u4fe1\u606f，\u5982\u6dfb\u52a0\u6388\u6743\u4ee4\u724c\u3001\u8bbe\u7f6e\u7528\u6237\u4ee3\u7406\u7b49： <\/p>\n

        HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "http:\/\/example.com\/api\/values");
        \nrequest.Headers.TryAddWithoutValidation("Authorization", "Bearer token-value");
        \n\/\/ \u53d1\u9001POST\u8bf7\u6c42<\/p>\n

        \u5728\u5b9e\u9645\u5e94\u7528\u4e2d，\u6211\u4eec\u8fd8\u9700\u8981\u8003\u8651\u5230\u7f51\u7edc\u5f02\u5e38\u7684\u5904\u7406\u3001\u8d85\u65f6\u7684\u8bbe\u7f6e\u3001\u91cd\u5b9a\u5411\u7684\u81ea\u52a8\u8ddf\u968f\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002HttpClient\u7c7b\u63d0\u4f9b\u4e86\u8fd9\u4e9b\u529f\u80fd\u7684\u63a7\u5236\u65b9\u5f0f，\u8ba9\u5f00\u53d1\u8005\u53ef\u4ee5\u7f16\u5199\u5065\u58ee\u4e14\u9ad8\u6548\u7684\u7f51\u7edc\u901a\u4fe1\u4ee3\u7801\u3002 <\/p>\n

        4.2 JSON\u6570\u636e\u89e3\u6790\u4e0e\u5e8f\u5217\u5316 <\/h3>\n

        4.2.1 JSON\u6570\u636e\u7ed3\u6784\u4e0e\u89e3\u6790\u65b9\u6cd5 <\/h4>\n

        JSON（JavaScript Object Notation）\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f，\u6613\u4e8e\u4eba\u9605\u8bfb\u548c\u7f16\u5199，\u540c\u65f6\u4e5f\u6613\u4e8e\u673a\u5668\u89e3\u6790\u548c\u751f\u6210\u3002\u5b83\u57fa\u4e8eJavaScript\u8bed\u8a00\u7684\u4e00\u4e2a\u5b50\u96c6\u3002JSON\u6570\u636e\u7ed3\u6784\u901a\u5e38\u7531\u952e\u503c\u5bf9\u7ec4\u6210，\u6570\u636e\u901a\u5e38\u4ee5\u5bf9\u8c61（\u82b1\u62ec\u53f7\u5305\u542b\u7684\u952e\u503c\u5bf9）\u6216\u6570\u7ec4（\u65b9\u62ec\u53f7\u5305\u542b\u7684\u503c\u5e8f\u5217）\u7684\u5f62\u5f0f\u5b58\u5728\u3002 <\/p>\n

        \u5728C#\u4e2d，\u5904\u7406JSON\u6570\u636e\u7684\u6807\u51c6\u5e93\u662f System.Text.Json \u6216 Newtonsoft.Json （\u4e5f\u79f0\u4e3aJson.NET）\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u5c06JSON\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aC#\u5bf9\u8c61\u548c\u5c06\u5bf9\u8c61\u8f6c\u6362\u56deJSON\u5b57\u7b26\u4e32\u7684\u529f\u80fd\u3002 <\/p>\n

        \u4e0b\u9762\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 System.Text.Json \u6765\u89e3\u6790JSON\u6570\u636e： <\/p>\n

        using System;
        \nusing System.Text.Json;<\/p>\n

        namespace JsonExample
        \n{
        \n public class Program
        \n {
        \n static void Main(string[] args)
        \n {
        \n string jsonString = @"{""name"": ""John"", ""age"": 30, ""city"": ""New York""}";
        \n var options = new JsonDocumentOptions
        \n {
        \n AllowTrailingCommas = true
        \n };<\/p>\n

        using (JsonDocument document = JsonDocument.Parse(jsonString, options))
        \n {
        \n JsonElement root = document.RootElement;
        \n string name = root.GetProperty("name").GetString();
        \n int age = root.GetProperty("age").GetInt32();
        \n string city = root.GetProperty("city").GetString();
        \n Console.WriteLine($"Name: {name}, Age: {age}, City: {city}");
        \n }
        \n }
        \n }
        \n}<\/p>\n

        \u6b64\u4ee3\u7801\u6bb5\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aJsonDocument\u5bf9\u8c61，\u5e76\u89e3\u6790\u4e86\u4e00\u4e2a\u5305\u542b\u4e2a\u4eba\u4fe1\u606f\u7684JSON\u5b57\u7b26\u4e32\u3002\u7136\u540e，\u5b83\u4ece\u6587\u6863\u4e2d\u63d0\u53d6\u5e76\u6253\u5370\u51fa\u4e86\u4e00\u4e9b\u5b57\u6bb5\u3002 <\/p>\n

        4.2.2 C#\u4e2d\u7684JSON\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u6280\u672f <\/h4>\n

        \u5e8f\u5217\u5316\u662f\u6307\u5c06\u5bf9\u8c61\u72b6\u6001\u8f6c\u6362\u4e3a\u53ef\u4ee5\u5b58\u50a8\u6216\u4f20\u8f93\u7684\u683c\u5f0f\u7684\u8fc7\u7a0b；\u53cd\u5e8f\u5217\u5316\u5219\u662f\u5e8f\u5217\u5316\u8fc7\u7a0b\u7684\u9006\u64cd\u4f5c，\u5c06\u6570\u636e\u8f6c\u6362\u56de\u5bf9\u8c61\u72b6\u6001\u7684\u8fc7\u7a0b\u3002\u5728C#\u4e2d， System.Text.Json \u6216 Newtonsoft.Json \u5e93\u63d0\u4f9b\u4e86\u89e3\u51b3\u65b9\u6848\u3002 <\/p>\n

        \u4f7f\u7528 System.Text.Json \u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684\u793a\u4f8b\u5982\u4e0b： <\/p>\n

        using System;
        \nusing System.Text.Json;<\/p>\n

        namespace SerializationExample
        \n{
        \n public class Person
        \n {
        \n public string Name { get; set; }
        \n public int Age { get; set; }
        \n public string City { get; set; }
        \n }<\/p>\n

        class Program
        \n {
        \n static void Main(string[] args)
        \n {
        \n Person person = new Person { Name = "John", Age = 30, City = "New York" };<\/p>\n

        \/\/ \u5e8f\u5217\u5316\u5bf9\u8c61\u5230JSON\u5b57\u7b26\u4e32
        \n string jsonString = JsonSerializer.Serialize(person);
        \n Console.WriteLine(jsonString);<\/p>\n

        \/\/ \u53cd\u5e8f\u5217\u5316JSON\u5b57\u7b26\u4e32\u5230\u5bf9\u8c61
        \n Person deserializedPerson = JsonSerializer.Deserialize<Person>(jsonString);
        \n Console.WriteLine($"Deserialized Name: {deserializedPerson.Name}");
        \n }
        \n }
        \n}<\/p>\n

        \u5728\u6b64\u793a\u4f8b\u4e2d，\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aPerson\u7c7b，\u5e76\u521b\u5efa\u4e86\u5b83\u7684\u5b9e\u4f8b\u3002\u7136\u540e\u6211\u4eec\u5e8f\u5217\u5316\u8fd9\u4e2a\u5b9e\u4f8b\u5230\u4e00\u4e2aJSON\u5b57\u7b26\u4e32，\u5e76\u5c06\u6b64JSON\u5b57\u7b26\u4e32\u53cd\u5e8f\u5217\u5316\u56de\u4e00\u4e2aPerson\u5bf9\u8c61\u3002\u8fd9\u5c55\u793a\u4e86 System.Text.Json \u5e93\u5982\u4f55\u5e2e\u52a9\u6211\u4eec\u5728\u5bf9\u8c61\u548cJSON\u4e4b\u95f4\u8fdb\u884c\u9ad8\u6548\u8f6c\u6362\u3002 <\/p>\n

        \u5728\u5b9e\u9645\u5f00\u53d1\u8fc7\u7a0b\u4e2d，\u5f00\u53d1\u8005\u5e38\u9700\u8981\u5904\u7406\u66f4\u590d\u6742\u7684JSON\u6570\u636e\u7ed3\u6784，\u5982\u5d4c\u5957\u5bf9\u8c61\u3001\u6570\u7ec4\u548c\u6df7\u5408\u7c7b\u578b\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b，\u6e05\u6670\u7684\u6570\u636e\u6a21\u578b\u5b9a\u4e49\u548c\u5408\u9002\u7684\u5e8f\u5217\u5316\u7b56\u7565\u5c24\u4e3a\u91cd\u8981\u3002\u8fd9\u6709\u52a9\u4e8e\u786e\u4fdd\u6570\u636e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u65f6\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u3002 <\/p>\n

        \u4ee5\u4e0a\u5185\u5bb9\u5c55\u793a\u4e86HTTP\u8bf7\u6c42\u548cJSON\u6570\u636e\u4ea4\u4e92\u5728C#\u5e94\u7528\u4e2d\u7684\u6838\u5fc3\u6280\u5de7\u548c\u6700\u4f73\u5b9e\u8df5，\u5b83\u4eec\u662f\u73b0\u4ee3Web\u5f00\u53d1\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7406\u89e3\u5e76\u638c\u63e1\u8fd9\u4e9b\u6280\u672f\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6548\u3001\u7a33\u5b9a\u548c\u5b89\u5168\u7684\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n

        5. C# 4.0\u4efb\u52a1\u5e76\u884c\u5e93（TPL）\u4e0e\u5f02\u6b65\u7f16\u7a0b <\/h2>\n

        5.1 TPL\u7684\u6838\u5fc3\u6982\u5ff5\u4e0e\u5e94\u7528 <\/h3>\n

        5.1.1 \u5e76\u884c\u7f16\u7a0b\u57fa\u7840 <\/h4>\n

        \u5e76\u884c\u7f16\u7a0b\u662f\u8ba1\u7b97\u673a\u7f16\u7a0b\u7684\u4e00\u4e2a\u5206\u652f，\u5b83\u6d89\u53ca\u5230\u591a\u4efb\u52a1\u7684\u6267\u884c，\u53ef\u4ee5\u540c\u65f6\u5229\u7528\u591a\u4e2a\u5904\u7406\u5668\u6216\u6838\u5fc3，\u4ee5\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u5e76\u884c\u7f16\u7a0b\u6d89\u53ca\u7684\u5173\u952e\u6982\u5ff5\u5305\u62ec\u5e76\u53d1\u3001\u540c\u6b65\u3001\u6b7b\u9501\u548c\u7ebf\u7a0b\u3002 <\/p>\n

        \u5e76\u53d1\u662f\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1\u7684\u80fd\u529b，\u4f46\u4e0d\u4e00\u5b9a\u662f\u5728\u540c\u4e00\u65f6\u523b\u3002\u5728C#\u4e2d，\u5e76\u53d1\u53ef\u4ee5\u901a\u8fc7\u591a\u7ebf\u7a0b\u5b9e\u73b0，\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u50cf\u662f\u7a0b\u5e8f\u7684\u72ec\u7acb\u8def\u5f84，\u53ef\u4ee5\u5728\u5904\u7406\u5668\u4e0a\u5e76\u884c\u6267\u884c\u3002 <\/p>\n

        \u540c\u6b65\u673a\u5236\u662f\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u7684\u65b9\u6cd5\u3002\u5f53\u591a\u4e2a\u7ebf\u7a0b\u9700\u8981\u64cd\u4f5c\u540c\u4e00\u8d44\u6e90\u65f6，\u540c\u6b65\u53ef\u4ee5\u9632\u6b62\u6570\u636e\u7ade\u4e89\u548c\u5176\u4ed6\u5e76\u53d1\u95ee\u9898\u3002\u4f8b\u5982，\u9501（locks）\u3001\u4fe1\u53f7\u91cf（semaphores）\u3001\u76d1\u89c6\u5668（monitors）\u90fd\u662f\u540c\u6b65\u673a\u5236\u7684\u5e38\u89c1\u7c7b\u578b\u3002 <\/p>\n

        \u6b7b\u9501\u662f\u6307\u4e24\u4e2a\u6216\u4e24\u4e2a\u4ee5\u4e0a\u7684\u7ebf\u7a0b\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d，\u56e0\u7ade\u4e89\u8d44\u6e90\u800c\u9020\u6210\u7684\u4e00\u79cd\u50f5\u5c40\u3002\u6b7b\u9501\u53d1\u751f\u65f6，\u76f8\u5173\u7ebf\u7a0b\u90fd\u5728\u7b49\u5f85\u5bf9\u65b9\u91ca\u653e\u8d44\u6e90，\u4ece\u800c\u65e0\u6cd5\u5411\u524d\u63a8\u8fdb\u3002 <\/p>\n

        \u7ebf\u7a0b\u662f\u64cd\u4f5c\u7cfb\u7edf\u80fd\u591f\u8fdb\u884c\u8fd0\u7b97\u8c03\u5ea6\u7684\u6700\u5c0f\u5355\u4f4d，\u5b83\u88ab\u5305\u542b\u5728\u8fdb\u7a0b\u4e4b\u4e2d，\u662f\u8fdb\u7a0b\u4e2d\u7684\u5b9e\u9645\u8fd0\u4f5c\u5355\u4f4d\u3002\u5728C#\u4e2d，\u53ef\u4ee5\u4f7f\u7528 System.Threading \u547d\u540d\u7a7a\u95f4\u4e2d\u7684 Thread \u7c7b\u6765\u521b\u5efa\u548c\u63a7\u5236\u7ebf\u7a0b\u3002 <\/p>\n

        5.1.2 TPL\u5728\u5f02\u6b65\u4efb\u52a1\u4e2d\u7684\u5e94\u7528 <\/h4>\n

        \u4efb\u52a1\u5e76\u884c\u5e93（Task Parallel Library，TPL）\u662f.NET\u6846\u67b6\u63d0\u4f9b\u7684\u4e00\u4e2a\u5f3a\u5927\u7684\u5e76\u884c\u7f16\u7a0b\u6a21\u578b，\u5b83\u63d0\u4f9b\u4e86\u5f88\u591a\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61，\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u7f16\u5199\u5e76\u884c\u4ee3\u7801\u3002TPL\u7684\u6838\u5fc3\u662f Task \u548c Task<T> \u7c7b，\u8fd9\u4e9b\u7c7b\u4ee3\u8868\u4e86\u53ef\u80fd\u8fd8\u672a\u5b8c\u6210\u7684\u5f02\u6b65\u64cd\u4f5c\u3002 <\/p>\n

        TPL\u7b80\u5316\u4e86\u5e76\u884c\u7f16\u7a0b\u6a21\u578b，\u901a\u8fc7\u4efb\u52a1\u6765\u8868\u793a\u5f02\u6b65\u64cd\u4f5c，\u8fd9\u6837\u5f00\u53d1\u8005\u5c31\u4e0d\u9700\u8981\u76f4\u63a5\u5904\u7406\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u7ba1\u7406\u3002\u8fd9\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387，\u8fd8\u51cf\u5c11\u4e86\u51fa\u9519\u7684\u53ef\u80fd\u6027，\u56e0\u4e3aTPL\u5df2\u7ecf\u5904\u7406\u4e86\u5f88\u591a\u5e95\u5c42\u7684\u7ebf\u7a0b\u7ba1\u7406\u7ec6\u8282\u3002 <\/p>\n

        \u4f7f\u7528TPL\u7f16\u5199\u7684\u5e76\u884c\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u548c\u6613\u4e8e\u7ef4\u62a4，\u56e0\u4e3aTPL\u9690\u85cf\u4e86\u7ebf\u7a0b\u7684\u590d\u6742\u6027，\u5f00\u53d1\u8005\u53ef\u4ee5\u7528\u66f4\u9ad8\u7ea7\u7684\u65b9\u5f0f\u8868\u8fbe\u4ed6\u4eec\u7684\u5e76\u884c\u610f\u56fe\u3002\u6bd4\u5982，\u53ef\u4ee5\u4f7f\u7528 Parallel.Invoke \u65b9\u6cd5\u6765\u5e76\u884c\u6267\u884c\u591a\u4e2a\u72ec\u7acb\u7684\u3001\u4e0d\u9700\u8981\u540c\u6b65\u7684\u4efb\u52a1\u3002 <\/p>\n

        TPL\u8fd8\u63d0\u4f9b\u4e86 Parallel.ForEach \u65b9\u6cd5，\u5141\u8bb8\u5f00\u53d1\u8005\u4ee5\u5e76\u884c\u65b9\u5f0f\u904d\u5386\u6570\u636e\u96c6\u5408\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5bf9\u4e8e\u52a0\u901f\u6570\u636e\u5bc6\u96c6\u578b\u64cd\u4f5c\u975e\u5e38\u6709\u7528，\u4f8b\u5982\u5904\u7406\u5927\u6570\u636e\u96c6\u3002 <\/p>\n

        \u6b64\u5916，TPL\u4f7f\u7528\u4e86\u4e00\u79cd\u79f0\u4e3a\u201c\u5de5\u4f5c\u7a83\u53d6\u201d\u7684\u6280\u672f，\u8ba9\u7a7a\u95f2\u7684\u5de5\u4f5c\u7ebf\u7a0b\u53ef\u4ee5\u7a83\u53d6\u5176\u4ed6\u5fd9\u788c\u7ebf\u7a0b\u7684\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1\u6765\u6267\u884c\u3002\u8fd9\u79cd\u673a\u5236\u51cf\u5c11\u4e86\u8d44\u6e90\u6d6a\u8d39，\u63d0\u9ad8\u4e86\u5904\u7406\u5668\u7684\u5229\u7528\u7387\u3002 <\/p>\n

        5.2 \u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\u7684\u5b9e\u73b0\u4e0e\u4f18\u5316 <\/h3>\n

        5.2.1 \u5f02\u6b65\u65b9\u6cd5\u7684\u7f16\u5199\u4e0e\u8c03\u7528 <\/h4>\n

        \u5728C#\u4e2d，\u5f02\u6b65\u7f16\u7a0b\u7684\u4e00\u4e2a\u5173\u952e\u7279\u6027\u662f async \u548c await \u5173\u952e\u5b57\u7684\u5f15\u5165\u3002 async \u5173\u952e\u5b57\u7528\u4e8e\u4fee\u9970\u65b9\u6cd5，\u4f7f\u4e4b\u6210\u4e3a\u5f02\u6b65\u65b9\u6cd5\u3002\u800c await \u5173\u952e\u5b57\u5219\u7528\u4e8e\u5f02\u6b65\u65b9\u6cd5\u4e2d，\u7b49\u5f85\u4e00\u4e2a Task \u6216 Task<T> \u7684\u5b8c\u6210\u3002\u8fd9\u4f7f\u5f97\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\u7684\u4ee3\u7801\u770b\u8d77\u6765\u548c\u540c\u6b65\u4ee3\u7801\u7c7b\u4f3c，\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 <\/p>\n

        \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528 async \u548c await \u7684\u793a\u4f8b\u4ee3\u7801\u5757： <\/p>\n

        public async Task<int> DelayAsync()
        \n{
        \n await Task.Delay(1000); \/\/ \u6a21\u62df\u8017\u65f6\u64cd\u4f5c
        \n return 42; \/\/ \u8fd4\u56de\u7ed3\u679c
        \n}<\/p>\n

        \/\/ \u8c03\u7528\u5f02\u6b65\u65b9\u6cd5
        \npublic async Task CallDelayAsync()
        \n{
        \n int result = await DelayAsync();
        \n Console.WriteLine($"The answer is {result}"); \/\/ \u8f93\u51fa\u7ed3\u679c
        \n}<\/p>\n

        \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d， DelayAsync \u662f\u4e00\u4e2a\u5f02\u6b65\u65b9\u6cd5，\u5b83\u5728\u5185\u90e8\u4f7f\u7528 Task.Delay \u6765\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u5ef6\u8fdf\u64cd\u4f5c\u3002 CallDelayAsync \u65b9\u6cd5\u8c03\u7528 DelayAsync \u5e76\u7b49\u5f85\u5176\u7ed3\u679c，\u6ce8\u610f CallDelayAsync \u65b9\u6cd5\u672c\u8eab\u4e5f\u88ab\u6807\u8bb0\u4e3a async ，\u56e0\u4e3a\u5b83\u4f7f\u7528\u4e86 await \u5173\u952e\u5b57\u3002 <\/p>\n

        \u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u80fd\u591f\u4f7fUI\u7ebf\u7a0b\u4fdd\u6301\u54cd\u5e94，\u540c\u65f6\u5728\u540e\u53f0\u7ebf\u7a0b\u4e0a\u6267\u884c\u8017\u65f6\u7684\u64cd\u4f5c，\u5b8c\u6210\u540e\u80fd\u591f\u53ca\u65f6\u66f4\u65b0UI\u3002\u8fd9\u5bf9\u4e8e\u73b0\u4ee3\u5e94\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684，\u56e0\u4e3a\u7528\u6237\u754c\u9762\u7684\u54cd\u5e94\u6027\u662f\u8861\u91cf\u7528\u6237\u4f53\u9a8c\u7684\u5173\u952e\u56e0\u7d20\u3002 <\/p>\n

        5.2.2 \u5f02\u6b65\u7f16\u7a0b\u4e2d\u7684\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u7b56\u7565 <\/h4>\n

        \u5f02\u6b65\u7f16\u7a0b\u867d\u7136\u6709\u8bb8\u591a\u4f18\u70b9，\u4f46\u4e5f\u4f34\u968f\u7740\u7279\u6709\u7684\u6311\u6218\u548c\u95ee\u9898\u3002\u4f8b\u5982，\u5f02\u6b65\u7f16\u7a0b\u4e2d\u7684\u9519\u8bef\u5904\u7406\u901a\u5e38\u6bd4\u540c\u6b65\u4ee3\u7801\u66f4\u590d\u6742，\u56e0\u4e3a\u5f02\u5e38\u53ef\u80fd\u4e0d\u4f1a\u7acb\u5373\u629b\u51fa，\u800c\u662f\u88ab Task \u5185\u90e8\u6355\u83b7\u3002\u56e0\u6b64，\u5f00\u53d1\u8005\u9700\u8981\u6b63\u786e\u4f7f\u7528 try-catch \u5757\u6765\u5904\u7406\u8fd9\u4e9b\u5f02\u6b65\u5f02\u5e38\u3002 <\/p>\n

        \u53c8\u5982，\u5f02\u6b65\u65b9\u6cd5\u4e4b\u95f4\u7684\u4f9d\u8d56\u548c\u6570\u636e\u6d41\u7ba1\u7406\u53ef\u80fd\u4f1a\u53d8\u5f97\u590d\u6742\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898，C#\u63d0\u4f9b\u4e86 Task.WhenAll \u548c Task.WhenAny \u7b49\u65b9\u6cd5，\u5141\u8bb8\u5f02\u6b65\u64cd\u4f5c\u7684\u7ec4\u5408\u548c\u9009\u62e9\u3002 <\/p>\n

        \u4ee3\u7801\u4e2d\u7684\u6b7b\u9501\u98ce\u9669\u4e5f\u5e94\u4e88\u4ee5\u91cd\u89c6\u3002\u4f7f\u7528 async \u548c await \u65f6，\u5982\u679c\u5728 Task \u5185\u90e8\u518d\u6b21\u8fdb\u884c\u5f02\u6b65\u64cd\u4f5c\u5e76\u7b49\u5f85，\u800c\u6ca1\u6709\u6b63\u786e\u91ca\u653e\u8d44\u6e90，\u53ef\u80fd\u4f1a\u5f15\u53d1\u6b7b\u9501\u3002\u4f8b\u5982： <\/p>\n

        public async Task DeadlockExample()
        \n{
        \n var task = Task.Run(() =>
        \n {
        \n \/\/ \u6a21\u62df\u8017\u65f6\u4efb\u52a1
        \n });<\/p>\n

        await task; \/\/ \u8fd9\u91cc\u53d1\u751f\u4e86\u6b7b\u9501
        \n}<\/p>\n

        \u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u56e0\u4e3a task \u662f\u5728\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u4e2d\u542f\u52a8\u7684，\u800c await \u7b49\u5f85\u8fd9\u4e2a task \u5b8c\u6210，\u5bfc\u81f4\u4e86\u6b7b\u9501\u3002\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\u7684\u4e00\u4e2a\u7b56\u7565\u662f\u4f7f\u7528 await \u65f6，\u5c06 task \u4fdd\u5b58\u5728\u65b0\u7684\u53d8\u91cf\u4e2d： <\/p>\n

        public async Task DeadlockFixed()
        \n{
        \n var task = Task.Run(() =>
        \n {
        \n \/\/ \u6a21\u62df\u8017\u65f6\u4efb\u52a1
        \n });<\/p>\n

        var t = task; \/\/ \u5c06task\u4fdd\u5b58\u5728\u53d8\u91cft\u4e2d
        \n await t; \/\/ \u7136\u540e\u4f7f\u7528t\u6765await
        \n}<\/p>\n

        \u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5，C# 4.0\u7684\u4efb\u52a1\u5e76\u884c\u5e93(TPL)\u548c\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u6765\u5904\u7406\u5e76\u53d1\u548c\u5f02\u6b65\u4efb\u52a1，\u4f7f\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u9ad8\u6548\u3001\u53ef\u9760\u3002\u7136\u800c，\u4e3a\u4e86\u5145\u5206\u5229\u7528\u8fd9\u4e9b\u5de5\u5177\u7684\u4f18\u52bf，\u5f00\u53d1\u8005\u9700\u8981\u6df1\u5165\u7406\u89e3\u5e76\u638c\u63e1\u5b83\u4eec\u7684\u4f7f\u7528\u548c\u6700\u4f73\u5b9e\u8df5\u3002 <\/p>\n

        6. \u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u63a7\u5236\u4e0e\u7ba1\u7406 <\/h2>\n

        6.1 \u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u63a7\u5236\u903b\u8f91 <\/h3>\n

        \u5728\u8fd9\u4e00\u7ae0\u8282\u4e2d，\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u63a7\u5236\u903b\u8f91\u3002\u7406\u89e3\u63a7\u5236\u903b\u8f91\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u8d28\u91cf\u7684\u6d41\u5a92\u4f53\u670d\u52a1\u81f3\u5173\u91cd\u8981，\u56e0\u4e3a\u8fd9\u6d89\u53ca\u670d\u52a1\u5668\u72b6\u6001\u7684\u76d1\u63a7\u4e0e\u63a7\u5236，\u4ee5\u53ca\u5982\u4f55\u5b9e\u73b0\u6d41\u5a92\u4f53\u7684\u64ad\u653e\u4e0e\u6682\u505c\u7b49\u57fa\u672c\u529f\u80fd\u3002 <\/p>\n

        6.1.1 \u670d\u52a1\u5668\u72b6\u6001\u76d1\u63a7\u4e0e\u63a7\u5236 <\/h4>\n

        \u6d41\u5a92\u4f53\u670d\u52a1\u5668\u7684\u72b6\u6001\u76d1\u63a7\u662f\u786e\u4fdd\u670d\u52a1\u7a33\u5b9a\u6027\u548c\u7528\u6237\u4f53\u9a8c\u7684\u57fa\u7840\u3002\u5f00\u53d1\u8005\u9700\u8981\u5b9e\u65f6\u4e86\u89e3\u670d\u52a1\u5668\u7684\u8fd0\u884c\u72b6\u6001，\u5305\u62ec\u5f53\u524d\u7684\u64ad\u653e\u5217\u8868\u3001\u6b63\u5728\u64ad\u653e\u7684\u97f3\u4e50\u3001\u7f13\u51b2\u72b6\u6001\u4ee5\u53ca\u4efb\u4f55\u53ef\u80fd\u53d1\u751f\u7684\u9519\u8bef\u3002 <\/p>\n

        \u4e3a\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd，\u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u4e00\u4e2a\u76d1\u63a7\u6a21\u5757，\u8be5\u6a21\u5757\u901a\u8fc7\u5b9a\u671f\u5411\u670d\u52a1\u5668\u53d1\u9001\u72b6\u6001\u67e5\u8be2\u8bf7\u6c42，\u83b7\u53d6\u6700\u65b0\u7684\u72b6\u6001\u4fe1\u606f\u3002\u5728C#\u4e2d，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 HttpClient \u7c7b\u6765\u53d1\u9001\u8fd9\u4e9bHTTP\u8bf7\u6c42，\u5e76\u4f7f\u7528JSON\u5e8f\u5217\u5316\u5de5\u5177\u89e3\u6790\u54cd\u5e94\u6570\u636e\u3002 <\/p>\n

        \u4ee3\u7801\u793a\u4f8b\u5982\u4e0b： <\/p>\n

        public class MediaServerController
        \n{
        \n private readonly string _baseUrl;<\/p>\n

        public MediaServerController(string baseUrl)
        \n {
        \n _baseUrl = baseUrl;
        \n }<\/p>\n

        public async Task<ServerStatus> GetServerStatusAsync()
        \n {
        \n var httpClient = new HttpClient();
        \n try
        \n {
        \n var response = await httpClient.GetAsync($"{_baseUrl}\/status");
        \n response.EnsureSuccessStatusCode();
        \n var content = await response.Content.ReadAsStringAsync();
        \n var status = JsonConvert.DeserializeObject<ServerStatus>(content);
        \n return status;
        \n }
        \n catch (HttpRequestException e)
        \n {
        \n \/\/ Handle exceptions such as network errors
        \n throw new MediaServerException("Failed to retrieve server status", e);
        \n }
        \n }
        \n}<\/p>\n

        public class ServerStatus
        \n{
        \n public string CurrentTrack { get; set; }
        \n public string State { get; set; } \/\/ e.g., "playing", "paused", "stopped"
        \n \/\/ Other properties as needed…
        \n}<\/p>\n

        6.1.2 \u6d41\u5a92\u4f53\u64ad\u653e\u4e0e\u6682\u505c\u529f\u80fd\u5b9e\u73b0 <\/h4>\n

        \u63a7\u5236\u6d41\u5a92\u4f53\u7684\u64ad\u653e\u4e0e\u6682\u505c\u662f\u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u63a7\u5236\u903b\u8f91\u7684\u6838\u5fc3\u90e8\u5206\u3002\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd，\u901a\u5e38\u6d89\u53ca\u53d1\u9001\u7279\u5b9a\u7684\u547d\u4ee4\u5230\u670d\u52a1\u5668，\u6307\u793a\u5b83\u5f00\u59cb\u64ad\u653e\u6216\u6682\u505c\u5f53\u524d\u7684\u97f3\u4e50\u3002 <\/p>\n

        \u4e3a\u4e86\u64ad\u653e\u97f3\u4e50，\u6211\u4eec\u53ef\u80fd\u4f1a\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u5e26\u6709"play"\u547d\u4ee4\u7684\u8bf7\u6c42，\u800c\u6682\u505c\u5219\u53ef\u80fd\u662f"pause"\u547d\u4ee4\u3002\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u7edf\u4e00\u7684\u547d\u4ee4\u63a5\u53e3\u548c\u5177\u4f53\u7684\u547d\u4ee4\u5b9e\u73b0，\u6211\u4eec\u53ef\u4ee5\u7b80\u5316\u63a7\u5236\u903b\u8f91\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002 <\/p>\n

        public interface ICommand
        \n{
        \n string Action { get; }
        \n void Execute();
        \n}<\/p>\n

        public class PlayCommand : ICommand
        \n{
        \n public string Action => "play";
        \n public void Execute()
        \n {
        \n \/\/ Code to send "play" command to the media server
        \n }
        \n}<\/p>\n

        public class PauseCommand : ICommand
        \n{
        \n public string Action => "pause";
        \n public void Execute()
        \n {
        \n \/\/ Code to send "pause" command to the media server
        \n }
        \n}<\/p>\n

        public class MediaServerCommandExecutor
        \n{
        \n private readonly HttpClient _httpClient;<\/p>\n

        public MediaServerCommandExecutor(HttpClient httpClient)
        \n {
        \n _httpClient = httpClient;
        \n }<\/p>\n

        public async Task ExecuteCommandAsync(ICommand command)
        \n {
        \n var response = await _httpClient.GetAsync($"{_baseUrl}\/{command.Action}");
        \n \/\/ Handle response…
        \n }
        \n}<\/p>\n

        6.2 \u97f3\u4e50\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbe\u8ba1\u4e0e\u5f00\u53d1 <\/h3>\n

        \u97f3\u4e50\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u4e0d\u4ec5\u8981\u6709\u5f3a\u5927\u7684\u540e\u53f0\u63a7\u5236\u903b\u8f91，\u8fd8\u9700\u8981\u6709\u4e00\u4e2a\u76f4\u89c2\u7684\u7528\u6237\u754c\u9762\u3002\u8fd9\u4e00\u90e8\u5206\u5c06\u8ba8\u8bba\u5982\u4f55\u8bbe\u8ba1\u7528\u6237\u754c\u9762\u4ee5\u53ca\u6784\u5efa\u548c\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u3002 <\/p>\n

        6.2.1 \u7528\u6237\u754c\u9762\u4e0e\u4ea4\u4e92\u6d41\u7a0b\u8bbe\u8ba1 <\/h4>\n

        \u7528\u6237\u754c\u9762（UI）\u662f\u7528\u6237\u4e0e\u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u4ea4\u4e92\u7684\u7b2c\u4e00\u9053\u5173\u53e3\u3002\u4e00\u4e2a\u76f4\u89c2\u3001\u6613\u7528\u7684UI\u53ef\u4ee5\u8ba9\u7528\u6237\u66f4\u5feb\u5730\u9002\u5e94\u670d\u52a1\u5e76\u63d0\u5347\u6ee1\u610f\u5ea6\u3002\u8bbe\u8ba1UI\u65f6，\u6211\u4eec\u9700\u8981\u8003\u8651\u5230\u7528\u6237\u53ef\u80fd\u7684\u64cd\u4f5c\u6d41\u7a0b，\u4f8b\u5982\u6d4f\u89c8\u97f3\u4e50\u5e93\u3001\u521b\u5efa\u64ad\u653e\u5217\u8868\u3001\u641c\u7d22\u97f3\u4e50\u3001\u63a7\u5236\u64ad\u653e\u7b49\u3002 <\/p>\n

        \u5bf9\u4e8eUI\u8bbe\u8ba1，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528XAML\u8bed\u8a00\u7ed3\u5408WPF\u6846\u67b6\u3002WPF\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u63a7\u4ef6\u548c\u5e03\u5c40\u9009\u9879，\u4f7f\u8bbe\u8ba1\u5e08\u80fd\u591f\u6784\u5efa\u590d\u6742\u7684\u5e03\u5c40\u800c\u4e0d\u727a\u7272\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002 <\/p>\n

        6.2.2 \u5e94\u7528\u7a0b\u5e8f\u7684\u6784\u5efa\u4e0e\u6d4b\u8bd5 <\/h4>\n

        \u5728\u8bbe\u8ba1\u597dUI\u540e，\u5e94\u7528\u7a0b\u5e8f\u7684\u6784\u5efa\u5c31\u662f\u5c06\u8bbe\u8ba1\u8f6c\u5316\u4e3a\u5b9e\u9645\u7684\u4ee3\u7801\u3002C#\u548cWPF\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u5e73\u53f0，\u7528\u4e8e\u6784\u5efa\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4e3a\u4e86\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u8d28\u91cf，\u6211\u4eec\u9700\u8981\u8fdb\u884c\u8be6\u5c3d\u7684\u6d4b\u8bd5\u3002 <\/p>\n

        \u6d4b\u8bd5\u5206\u4e3a\u51e0\u4e2a\u5c42\u6b21，\u5305\u62ec\u5355\u5143\u6d4b\u8bd5\u3001\u96c6\u6210\u6d4b\u8bd5\u548c\u7528\u6237\u63a5\u53d7\u6d4b\u8bd5（UAT）\u3002\u5355\u5143\u6d4b\u8bd5\u786e\u4fdd\u6bcf\u4e2a\u72ec\u7acb\u7ec4\u4ef6\u6309\u9884\u671f\u5de5\u4f5c，\u96c6\u6210\u6d4b\u8bd5\u786e\u4fdd\u5404\u4e2a\u7ec4\u4ef6\u534f\u540c\u5de5\u4f5c\u65e0\u8bef，\u800cUAT\u5219\u662f\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u6ee1\u8db3\u7528\u6237\u7684\u5b9e\u9645\u9700\u6c42\u3002 <\/p>\n

        \u53ef\u4ee5\u4f7f\u7528Visual Studio\u7684\u6d4b\u8bd5\u5de5\u5177\u6216\u5f00\u6e90\u7684 NUnit \u6d4b\u8bd5\u6846\u67b6\u6765\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u793a\u4f8b： <\/p>\n

        [TestFixture]
        \npublic class PlayCommandTests
        \n{
        \n private MediaServerCommandExecutor _executor;<\/p>\n

        [SetUp]
        \n public void Setup()
        \n {
        \n var httpClient = new HttpClient();
        \n _executor = new MediaServerCommandExecutor(httpClient);
        \n }<\/p>\n

        [Test]
        \n public async Task WhenPlayCommandIsExecuted_ThenServerShouldReceivePlayRequest()
        \n {
        \n var playCommand = new PlayCommand();
        \n await _executor.ExecuteCommandAsync(playCommand);
        \n \/\/ Additional assertions to check if the server received the command
        \n }
        \n}<\/p>\n

        \u901a\u8fc7\u4e0a\u8ff0\u7ae0\u8282\u5185\u5bb9，\u6211\u4eec\u6df1\u5165\u63a2\u7a76\u4e86\u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u63a7\u5236\u903b\u8f91\u7684\u5b9e\u73b0\u4ee5\u53ca\u97f3\u4e50\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbe\u8ba1\u4e0e\u5f00\u53d1\u8fc7\u7a0b\u3002\u8fd9\u5305\u62ec\u4e86\u5bf9\u670d\u52a1\u5668\u72b6\u6001\u7684\u76d1\u63a7\u3001\u6d41\u5a92\u4f53\u64ad\u653e\u4e0e\u6682\u505c\u529f\u80fd\u7684\u5b9e\u73b0\u4ee5\u53ca\u7528\u6237\u754c\u9762\u7684\u8bbe\u8ba1\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u6784\u5efa\u4e0e\u6d4b\u8bd5\u3002\u8fd9\u4e9b\u5185\u5bb9\u5bf9\u4e8e\u4efb\u4f55\u5e0c\u671b\u6df1\u5165\u7406\u89e3\u548c\u5e94\u7528\u97f3\u4e50\u6d41\u5a92\u4f53\u76f8\u5173\u6280\u672f\u7684\u5f00\u53d1\u8005\u6765\u8bf4\u90fd\u662f\u6781\u4e3a\u5b9d\u8d35\u7684\u77e5\u8bc6\u3002 <\/p>\n

        7. \u9519\u8bef\u5904\u7406\u4e0e\u91cd\u8bd5\u673a\u5236\u7684\u5b9e\u73b0 <\/h2>\n

        7.1 \u9519\u8bef\u5904\u7406\u7b56\u7565\u4e0e\u5b9e\u8df5 <\/h3>\n

        7.1.1 \u5f02\u5e38\u5904\u7406\u673a\u5236\u7684\u4ecb\u7ecd <\/h4>\n

        \u5728C#\u7f16\u7a0b\u4e2d，\u5f02\u5e38\u5904\u7406\u673a\u5236\u662f\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7a33\u5b9a\u8fd0\u884c\u7684\u5173\u952e\u3002\u5f02\u5e38\u5904\u7406\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u5728\u9047\u5230\u9519\u8bef\u65f6，\u4e0d\u4f1a\u76f4\u63a5\u5d29\u6e83，\u800c\u662f\u8f6c\u5165\u4e00\u4e2a\u9884\u5b9a\u7684\u9519\u8bef\u5904\u7406\u4ee3\u7801\u5757\u8fdb\u884c\u5904\u7406\u3002\u5728C#\u4e2d，\u5f02\u5e38\u662f\u7531 System.Exception \u7c7b\u53ca\u5176\u5b50\u7c7b\u8868\u793a\u7684\u9519\u8bef\u60c5\u51b5\u3002 <\/p>\n

        \u5f02\u5e38\u5904\u7406\u662f\u901a\u8fc7 try-catch \u5757\u6765\u5b9e\u73b0\u7684，\u4ee3\u7801\u5757\u4e2d\u53ef\u80fd\u4f1a\u4ea7\u751f\u5f02\u5e38\u7684\u4ee3\u7801\u88ab\u653e\u5728 try \u5757\u4e2d，\u800c\u76f8\u5e94\u7684\u5f02\u5e38\u5904\u7406\u4ee3\u7801\u5219\u4f4d\u4e8e catch \u5757\u4e2d\u3002C#\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2a finally \u5757，\u5b83\u7528\u4e8e\u6267\u884c\u65e0\u8bba\u662f\u5426\u53d1\u751f\u5f02\u5e38\u90fd\u9700\u8981\u6267\u884c\u7684\u4ee3\u7801\u3002 <\/p>\n

        try
        \n{
        \n \/\/ \u5c1d\u8bd5\u6267\u884c\u7684\u4ee3\u7801
        \n int result = 10 \/ 0;
        \n}
        \ncatch (DivideByZeroException e)
        \n{
        \n \/\/ \u6355\u83b7\u7279\u5b9a\u7c7b\u578b\u7684\u5f02\u5e38
        \n Console.WriteLine("\u65e0\u6cd5\u9664\u4ee5\u96f6！\u9519\u8bef\u4fe1\u606f: " + e.Message);
        \n}
        \nfinally
        \n{
        \n \/\/ \u65e0\u8bba\u662f\u5426\u53d1\u751f\u5f02\u5e38\u90fd\u4f1a\u6267\u884c\u7684\u4ee3\u7801
        \n Console.WriteLine("\u8fd9\u662f finally \u5757，\u59cb\u7ec8\u6267\u884c\u3002");
        \n}<\/p>\n

        7.1.2 \u81ea\u5b9a\u4e49\u5f02\u5e38\u4e0e\u9519\u8bef\u5904\u7406 <\/h4>\n

        \u5c3d\u7ba1.NET\u63d0\u4f9b\u4e86\u8bb8\u591a\u5185\u7f6e\u7684\u5f02\u5e38\u7c7b，\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b，\u4f60\u53ef\u80fd\u9700\u8981\u521b\u5efa\u81ea\u5df1\u7684\u5f02\u5e38\u7c7b\u578b\u6765\u8868\u793a\u7279\u5b9a\u7684\u9519\u8bef\u60c5\u51b5\u3002\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u901a\u5e38\u7ee7\u627f\u81ea System.Exception \u7c7b，\u5e76\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u65b0\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002 <\/p>\n

        \u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u6d89\u53ca\u5230\u5b9a\u4e49\u4e00\u4e2a\u7ee7\u627f\u81ea Exception \u7684\u7c7b，\u5e76\u63d0\u4f9b\u81f3\u5c11\u4e00\u4e2a\u63a5\u53d7\u6d88\u606f\u7684\u6784\u9020\u51fd\u6570\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u7684\u4f8b\u5b50： <\/p>\n

        public class CustomException : Exception
        \n{
        \n public CustomException(string message) : base(message)
        \n {
        \n }<\/p>\n

        \/\/ \u53ef\u4ee5\u6dfb\u52a0\u5176\u4ed6\u5c5e\u6027\u3001\u65b9\u6cd5\u548c\u6784\u9020\u51fd\u6570
        \n}<\/p>\n

        \u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u8fd9\u4e2a\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\u8fdb\u884c\u9519\u8bef\u5904\u7406： <\/p>\n

        try
        \n{
        \n throw new CustomException("\u53d1\u751f\u4e86\u81ea\u5b9a\u4e49\u9519\u8bef！");
        \n}
        \ncatch (CustomException e)
        \n{
        \n \/\/ \u5904\u7406\u81ea\u5b9a\u4e49\u5f02\u5e38
        \n Console.WriteLine("\u6355\u83b7\u5230\u81ea\u5b9a\u4e49\u5f02\u5e38: " + e.Message);
        \n}<\/p>\n

        \u5728\u8fdb\u884c\u9519\u8bef\u5904\u7406\u65f6，\u5e94\u5c3d\u91cf\u907f\u514d\u6355\u83b7\u8fc7\u4e8e\u5bbd\u6cdb\u7684\u5f02\u5e38\u7c7b\u578b（\u5982 Exception ），\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u9690\u85cf\u5176\u4ed6\u672a\u9884\u6599\u5230\u7684\u9519\u8bef\u3002\u603b\u662f\u5c3d\u91cf\u6355\u83b7\u6700\u5177\u4f53\u7684\u5f02\u5e38\u7c7b\u578b，\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u9519\u8bef\u5904\u7406\u4ee3\u7801\u53ea\u5728\u6700\u53ef\u80fd\u53d1\u751f\u9884\u671f\u9519\u8bef\u7684\u5730\u65b9\u6267\u884c\u3002 <\/p>\n

        7.2 \u91cd\u8bd5\u673a\u5236\u7684\u6784\u5efa\u4e0e\u4f18\u5316 <\/h3>\n

        7.2.1 \u91cd\u8bd5\u903b\u8f91\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0 <\/h4>\n

        \u91cd\u8bd5\u673a\u5236\u662f\u5728\u9047\u5230\u4e34\u65f6\u9519\u8bef\u6216\u6761\u4ef6\u6027\u9519\u8bef\u65f6\u91cd\u65b0\u6267\u884c\u64cd\u4f5c\u7684\u903b\u8f91\u3002\u6784\u5efa\u91cd\u8bd5\u903b\u8f91\u901a\u5e38\u6d89\u53ca\u68c0\u6d4b\u7279\u5b9a\u7c7b\u578b\u7684\u5f02\u5e38\u6216\u9519\u8bef，\u5e76\u5728\u6ee1\u8db3\u67d0\u4e9b\u6761\u4ef6（\u4f8b\u5982\u91cd\u8bd5\u6b21\u6570\u672a\u8fbe\u5230\u4e0a\u9650）\u65f6\u91cd\u65b0\u6267\u884c\u65b9\u6cd5\u3002 <\/p>\n

        \u5728C#\u4e2d，\u53ef\u4ee5\u901a\u8fc7\u9012\u5f52\u6216\u5faa\u73af\u6765\u5b9e\u73b0\u7b80\u5355\u7684\u91cd\u8bd5\u903b\u8f91\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5b9e\u73b0\u91cd\u8bd5\u673a\u5236\u7684\u793a\u4f8b，\u8be5\u793a\u4f8b\u5c06\u5c1d\u8bd5\u6267\u884c\u4e00\u4e2a\u64cd\u4f5c\u6700\u591a\u4e09\u6b21： <\/p>\n

        public void RetryOperation(int maxAttempts, int attempts = 1)
        \n{
        \n try
        \n {
        \n \/\/ \u5c1d\u8bd5\u6267\u884c\u64cd\u4f5c，\u4f8b\u5982\u8c03\u7528\u5916\u90e8\u670d\u52a1
        \n }
        \n catch (TemporaryException)
        \n {
        \n if (attempts < maxAttempts)
        \n {
        \n \/\/ \u9012\u5f52\u8c03\u7528，\u589e\u52a0\u5c1d\u8bd5\u6b21\u6570
        \n RetryOperation(maxAttempts, attempts + 1);
        \n }
        \n else
        \n {
        \n \/\/ \u5982\u679c\u8fbe\u5230\u6700\u5927\u5c1d\u8bd5\u6b21\u6570，\u5219\u629b\u51fa\u5f02\u5e38
        \n throw;
        \n }
        \n }
        \n}<\/p>\n

        \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d， TemporaryException \u662f\u4e00\u4e2a\u5047\u8bbe\u7684\u5f02\u5e38\u7c7b\u578b，\u7528\u4e8e\u8868\u793a\u5e94\u8be5\u91cd\u8bd5\u7684\u9519\u8bef\u3002 RetryOperation \u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u6700\u5927\u5c1d\u8bd5\u6b21\u6570 maxAttempts \u548c\u5f53\u524d\u5c1d\u8bd5\u6b21\u6570 attempts \u4f5c\u4e3a\u53c2\u6570\u3002\u5982\u679c\u6355\u83b7\u5230 TemporaryException ，\u65b9\u6cd5\u4f1a\u5728\u672a\u8fbe\u5230\u6700\u5927\u5c1d\u8bd5\u6b21\u6570\u65f6\u9012\u5f52\u5730\u8c03\u7528\u81ea\u8eab\u3002 <\/p>\n

        7.2.2 \u91cd\u8bd5\u673a\u5236\u5728\u5f02\u6b65\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528 <\/h4>\n

        \u5728\u5f02\u6b65\u7f16\u7a0b\u4e2d，\u91cd\u8bd5\u673a\u5236\u53ef\u80fd\u66f4\u4e3a\u590d\u6742，\u56e0\u4e3a\u6d89\u53ca\u5230\u5f02\u6b65\u65b9\u6cd5\u7684\u8c03\u7528\u548c\u6f5c\u5728\u7684\u5e76\u53d1\u95ee\u9898\u3002\u5728.NET\u4e2d，\u53ef\u4ee5\u4f7f\u7528 Task.WhenAll \u548c Task.WhenAny \u65b9\u6cd5\u6765\u7ba1\u7406\u5f02\u6b65\u4efb\u52a1\u7684\u91cd\u8bd5\u3002 <\/p>\n

        \u4e0b\u9762\u662f\u4e00\u4e2a\u5f02\u6b65\u91cd\u8bd5\u673a\u5236\u7684\u793a\u4f8b： <\/p>\n

        public async Task RetryAsync(Func<Task> action, int maxAttempts)
        \n{
        \n for (int attempts = 1; attempts <= maxAttempts; attempts++)
        \n {
        \n try
        \n {
        \n await action();
        \n return;
        \n }
        \n catch (Exception ex) when (ShouldRetry(ex))
        \n {
        \n if (attempts == maxAttempts)
        \n {
        \n throw;
        \n }
        \n }
        \n }
        \n}<\/p>\n

        private bool ShouldRetry(Exception ex)
        \n{
        \n \/\/ \u5b9e\u73b0\u51b3\u5b9a\u662f\u5426\u91cd\u8bd5\u7684\u903b\u8f91，\u4f8b\u5982\u6839\u636e\u5f02\u5e38\u7c7b\u578b
        \n return ex is TemporaryException;
        \n}<\/p>\n

        \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d， RetryAsync \u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u8fd4\u56de Task \u7684\u59d4\u6258 action \u548c\u6700\u5927\u5c1d\u8bd5\u6b21\u6570 maxAttempts \u3002\u5b83\u4f1a\u5c1d\u8bd5\u6267\u884c action \u6307\u5b9a\u7684\u4efb\u52a1，\u5e76\u6839\u636e ShouldRetry \u65b9\u6cd5\u7684\u7ed3\u679c\u51b3\u5b9a\u662f\u5426\u91cd\u8bd5\u3002 <\/p>\n

        \u4f7f\u7528\u5f02\u6b65\u91cd\u8bd5\u65f6，\u91cd\u8981\u7684\u662f\u8981\u6ce8\u610f\u5f02\u5e38\u5904\u7406\u548c\u8d44\u6e90\u7ba1\u7406，\u4ee5\u907f\u514d\u8d44\u6e90\u6cc4\u9732\u6216\u7ade\u6001\u6761\u4ef6\u3002\u5408\u7406\u4f7f\u7528 async\/await \u53ef\u4ee5\u786e\u4fdd\u5f02\u6b65\u65b9\u6cd5\u5728\u9047\u5230\u9519\u8bef\u65f6\u80fd\u6b63\u786e\u5730\u5904\u7406\u91cd\u8bd5\u903b\u8f91，\u540c\u65f6\u4fdd\u6301\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 <\/p>\n

        \u901a\u8fc7\u8fd9\u4e9b\u7b56\u7565，\u6211\u4eec\u53ef\u4ee5\u6784\u5efa\u51fa\u5065\u58ee\u7684\u5e94\u7528\u7a0b\u5e8f，\u80fd\u591f\u6709\u6548\u5e94\u5bf9\u4e34\u65f6\u9519\u8bef，\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u53ef\u9760\u6027\u3002 <\/p>\n

        \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\"<\/p>\n

        \u7b80\u4ecb：\u672c\u6559\u7a0b\u5c06\u5f15\u5bfc\u8bfb\u8005\u4f7f\u7528C#\u548cVisual Studio 2010\u5bf9SqueezeBox\u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u8fdb\u884c\u5f02\u6b65\u63a7\u5236\u3002SqueezeBox\u670d\u52a1\u5668\u5141\u8bb8\u7528\u6237\u7ba1\u7406\u548c\u64ad\u653e\u97f3\u4e50\u5e93，\u901a\u8fc7C#\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u97f3\u4e50\u5e94\u7528\u7a0b\u5e8f\u3002\u6559\u7a0b\u9996\u5148\u4ecb\u7ecd\u4e86SqueezeBox\u670d\u52a1\u5668\u7684API\u63a5\u53e3，\u7136\u540e\u901a\u8fc7HttpClient\u7c7b\u53d1\u9001HTTP\u8bf7\u6c42\u548c\u89e3\u6790JSON\u54cd\u5e94\u8fdb\u884c\u4ea4\u4e92\u3002\u5229\u7528C# 4.0\u7684\u4efb\u52a1\u5e76\u884c\u5e93（TPL），\u5b9e\u73b0\u5f02\u6b65\u7f16\u7a0b\u6765\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\u3002\u8bfe\u7a0b\u4e2d\u8fd8\u6d89\u53ca\u9519\u8bef\u5904\u7406\u548c\u91cd\u8bd5\u673a\u5236，\u5e76\u63d0\u4f9b\u4e86\u6e90\u4ee3\u7801\u793a\u4f8b\u3002 <\/p>\n

        \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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