{"id":42672,"date":"2025-06-10T07:31:13","date_gmt":"2025-06-09T23:31:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/42672.html"},"modified":"2025-06-10T07:31:13","modified_gmt":"2025-06-09T23:31:13","slug":"delphi%e5%ae%9e%e7%8e%b0%e7%9a%84iocp%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e6%ba%90%e7%a0%81%e5%8c%85","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/42672.html","title":{"rendered":"Delphi\u5b9e\u73b0\u7684IOCP\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u6e90\u7801\u5305"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250609233112-68476ec06ad8d.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u8d44\u6e90\u5305\u542b\u4e86\u4f7f\u7528Delphi\u8bed\u8a00\u7f16\u5199\u7684\u57fa\u4e8eI\/O\u5b8c\u6210\u7aef\u53e3&#xff08;IOCP&#xff09;\u6280\u672f\u7684\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u6e90\u7801\u3002IOCP\u662f\u4e00\u79cd\u9ad8\u6548\u7684I\/O\u6a21\u578b&#xff0c;\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u7684\u573a\u666f\u3002\u63d0\u4f9b\u7684\u670d\u52a1\u5668\u7aef\u6e90\u7801\u652f\u6301C\/S\u548cB\/S\u6a21\u5f0f&#xff0c;\u5e76\u96c6\u6210WebSocket\u534f\u8bae&#xff0c;\u80fd\u591f\u5904\u7406HTTP\u8bf7\u6c42\u548c\u5b9e\u65f6\u901a\u4fe1\u3002\u670d\u52a1\u5668\u5177\u5907\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u3001\u6570\u636e\u5e93\u8fde\u63a5\u548c\u5b9e\u65f6\u5728\u7ebf\u804a\u5929\u529f\u80fd&#xff0c;\u8fd9\u4e9b\u90fd\u5c55\u73b0\u4e86IOCP\u5728\u9ad8\u6548\u5e76\u53d1\u5904\u7406\u65b9\u9762\u7684\u4f18\u52bf\u3002\u538b\u7f29\u5305\u8fd8\u5305\u542b\u4e86\u7ec4\u4ef6\u4f7f\u7528\u6307\u5357\u3001\u6280\u672f\u8981\u70b9\u8bf4\u660e\u3001\u76ee\u5f55\u7ed3\u6784\u6587\u6863\u4ee5\u53ca\u793a\u4f8b\u4ee3\u7801&#xff0c;\u4e3a\u5b66\u4e60\u548c\u5f00\u53d1\u9ad8\u6027\u80fd\u7f51\u7edc\u5e94\u7528\u63d0\u4f9b\u4e86\u5b9d\u8d35\u7684\u8d44\u6e90\u3002 <img decoding=\"async\" alt=\"delphi\u7248IOCP\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u6e90\u7801\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250609233112-68476ec071a13.png\" \/> <\/p>\n<h2> 1. Delphi IOCP\u670d\u52a1\u5668\u6e90\u7801\u89e3\u6790 <\/h2>\n<p> Delphi\u4f5c\u4e3a\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00&#xff0c;\u5728\u670d\u52a1\u5668\u5f00\u53d1\u9886\u57df\u4e5f\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u7ae0\u5c06\u5e26\u9886\u8bfb\u8005\u6df1\u5165Delphi IOCP\u670d\u52a1\u5668\u7684\u6e90\u7801&#xff0c;\u5256\u6790\u5176\u5de5\u4f5c\u539f\u7406&#xff0c;\u4e3a\u540e\u7eed\u7ae0\u8282\u4e2d\u5ba2\u6237\u7aef\u7684\u63a2\u7a76\u53caIOCP\u6280\u672f\u7684\u6df1\u5165\u4e86\u89e3\u5960\u5b9a\u57fa\u7840\u3002 <\/p>\n<h3> 1.1 IOCP\u670d\u52a1\u5668\u67b6\u6784\u6982\u8ff0 <\/h3>\n<p> IOCP&#xff08;I\/O Completion Ports&#xff09;\u662fWindows\u5e73\u53f0\u4e0b\u7684\u4e00\u79cd\u9ad8\u6548\u7684I\/O\u5f02\u6b65\u6a21\u578b&#xff0c;Delphi\u901a\u8fc7\u5c01\u88c5\u8fd9\u4e00\u6a21\u578b&#xff0c;\u8ba9\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u52a0\u4fbf\u6377\u5730\u6784\u5efa\u9ad8\u5e76\u53d1\u670d\u52a1\u5668\u3002IOCP\u670d\u52a1\u5668\u67b6\u6784\u4e3b\u8981\u7531\u7ebf\u7a0b\u6c60\u3001\u8bf7\u6c42\u5904\u7406\u5668\u548cI\/O\u7ba1\u7406\u5668\u4e09\u90e8\u5206\u7ec4\u6210\u3002 <\/p>\n<h3> 1.2 \u670d\u52a1\u5668\u6e90\u7801\u9605\u8bfb\u51c6\u5907 <\/h3>\n<p> \u5728\u89e3\u6790\u6e90\u7801\u4e4b\u524d&#xff0c;\u6211\u4eec\u9700\u8981\u4e86\u89e3Delphi\u7684\u57fa\u672c\u8bed\u6cd5\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u539f\u5219\u4ee5\u53ca\u591a\u7ebf\u7a0b\u7f16\u7a0b\u6280\u672f\u3002\u5177\u5907\u8fd9\u4e9b\u57fa\u7840\u77e5\u8bc6&#xff0c;\u5c06\u6709\u52a9\u4e8e\u8bfb\u8005\u7406\u89e3\u670d\u52a1\u5668\u6e90\u7801\u7684\u7ed3\u6784\u548c\u5b9e\u73b0\u673a\u5236\u3002 <\/p>\n<h3> 1.3 \u6838\u5fc3\u6e90\u7801\u5206\u6790 <\/h3>\n<p> \u4e0b\u9762\u5c06\u9009\u53d6IOCP\u670d\u52a1\u5668\u4e2d\u51e0\u4e2a\u6838\u5fc3\u7684\u4ee3\u7801\u7247\u6bb5\u8fdb\u884c\u89e3\u8bfb\u3002\u4f8b\u5982&#xff0c;\u5173\u952e\u7684\u670d\u52a1\u5668\u542f\u52a8\u4ee3\u7801\u548c\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u4ee3\u7801&#xff0c;\u5b83\u4eec\u5c55\u793a\u4e86\u5982\u4f55\u5229\u7528Delphi\u5b9e\u73b0\u5f02\u6b65I\/O\u64cd\u4f5c\u4ee5\u53ca\u7ebf\u7a0b\u95f4\u7684\u534f\u8c03\u5de5\u4f5c\u3002 <\/p>\n<p>\/\/ \u542f\u52a8\u670d\u52a1\u5668\u76d1\u542c\u7aef\u53e3<br \/>\nTCustomServer :&#061; TCustomServer.Create(Port);<br \/>\nTCustomServer.Active :&#061; True;<\/p>\n<p>\/\/ \u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u4ee3\u7801\u793a\u4f8b<br \/>\nfunction TCustomServer.CustomAccept(Thread: TServerThread): Boolean;<br \/>\nbegin<br \/>\n    \/\/ \u5c1d\u8bd5\u63a5\u53d7\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5<br \/>\n    Result :&#061; False;<br \/>\n    \/\/ \u6b64\u5904\u7701\u7565\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282&#8230;<br \/>\nend;<\/p>\n<p> \u901a\u8fc7\u4ee5\u4e0a\u7684\u4ee3\u7801\u5757\u5206\u6790&#xff0c;\u6211\u4eec\u53ef\u4ee5\u770b\u5230Delphi\u5982\u4f55\u901a\u8fc7\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f&#xff0c;\u5c06\u590d\u6742\u7684IOCP\u6a21\u578b\u5c01\u88c5\u6210\u7b80\u6d01\u6613\u7528\u7684API\u3002\u8fd9\u5c06\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u4e0b\u4e00\u7ae0\u8282\u4e2dIOCP\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002 <\/p>\n<h2> 2. Delphi IOCP\u5ba2\u6237\u7aef\u6e90\u7801\u63a2\u7a76 <\/h2>\n<h4> 2.1 IOCP\u5ba2\u6237\u7aef\u8bbe\u8ba1\u601d\u60f3 <\/h4>\n<h5> 2.1.1 IOCP\u5ba2\u6237\u7aef\u67b6\u6784\u8bbe\u8ba1 <\/h5>\n<p> IOCP\u5ba2\u6237\u7aef\u7684\u67b6\u6784\u8bbe\u8ba1\u662f\u5b9e\u73b0\u9ad8\u6548\u3001\u7a33\u5b9a\u901a\u4fe1\u7684\u57fa\u7840\u3002\u5176\u8bbe\u8ba1\u601d\u60f3\u901a\u5e38\u5f3a\u8c03\u6a21\u5757\u5316\u3001\u9ad8\u5185\u805a\u4f4e\u8026\u5408&#xff0c;\u4ee5\u53ca\u53ef\u6269\u5c55\u6027\u3002\u5ba2\u6237\u7aef\u7684\u67b6\u6784\u4e00\u822c\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u6a21\u5757&#xff1a; <\/p>\n<ul>\n<li>  \u8fde\u63a5\u7ba1\u7406\u6a21\u5757  &#xff1a;\u8d1f\u8d23\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u3001\u7ef4\u62a4\u548c\u5173\u95ed\u8fde\u63a5\u3002\u5728Delphi\u4e2d&#xff0c;\u8fd9\u901a\u5e38\u662f\u901a\u8fc7IOCP\u4e13\u7528\u7684\u8fde\u63a5\u7c7b\u6765\u5b9e\u73b0&#xff0c;\u652f\u6301\u5f02\u6b65\u8fde\u63a5\u64cd\u4f5c\u3002 <\/li>\n<li>  \u6570\u636e\u5904\u7406\u6a21\u5757  &#xff1a;\u5305\u62ec\u6570\u636e\u7684\u63a5\u6536\u548c\u53d1\u9001\u903b\u8f91&#xff0c;\u4ee5\u53ca\u6570\u636e\u683c\u5f0f\u7684\u7f16\u89e3\u7801\u529f\u80fd&#xff0c;\u786e\u4fdd\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u95f4\u4f20\u8f93\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u3002 <\/li>\n<li>  \u5f02\u5e38\u5904\u7406\u6a21\u5757  &#xff1a;\u68c0\u6d4b\u548c\u5904\u7406\u5728\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u53d1\u751f\u7684\u5404\u7c7b\u5f02\u5e38&#xff0c;\u5982\u7f51\u7edc\u65ad\u5f00\u3001\u6570\u636e\u9519\u8bef\u7b49&#xff0c;\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u6062\u590d\u673a\u5236\u3002 <\/li>\n<\/ul>\n<p> \u67b6\u6784\u8bbe\u8ba1\u65f6&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u8003\u8651\u5982\u4f55\u9ad8\u6548\u5229\u7528\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u65f6\u3002IOCP\u6a21\u578b\u7684\u5f15\u5165&#xff0c;\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898&#xff0c;\u901a\u8fc7\u7cfb\u7edf\u7684\u5b8c\u6210\u7aef\u53e3\u673a\u5236\u6765\u9ad8\u6548\u7ba1\u7406I\/O\u64cd\u4f5c\u3002 <\/p>\n<h5> 2.1.2 IOCP\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92\u673a\u5236 <\/h5>\n<p> IOCP\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u662f\u57fa\u4e8e\u7f51\u7edc\u5957\u63a5\u5b57\u8fdb\u884c\u7684\u3002\u5ba2\u6237\u7aef\u8d1f\u8d23\u53d1\u8d77\u8bf7\u6c42&#xff0c;\u5e76\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u54cd\u5e94\u3002\u5728Delphi\u4e2d&#xff0c;IOCP\u5ba2\u6237\u7aef\u901a\u5e38\u901a\u8fc7\u5f02\u6b65\u65b9\u5f0f\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92&#xff0c;\u63d0\u9ad8\u6574\u4f53\u901a\u4fe1\u6548\u7387\u3002 <\/p>\n<p> \u4ea4\u4e92\u8fc7\u7a0b\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u9075\u5faa\u65e2\u5b9a\u7684\u901a\u4fe1\u534f\u8bae&#xff0c;\u4ee5\u786e\u4fdd\u4e0e\u670d\u52a1\u5668\u7684\u6b63\u5e38\u901a\u4fe1\u3002\u901a\u5e38&#xff0c;\u5ba2\u6237\u7aef\u4f1a\u5728\u5efa\u7acb\u8fde\u63a5\u540e\u7acb\u5373\u53d1\u9001\u4e00\u4e2a\u6216\u591a\u4e2a\u521d\u59cb\u8bf7\u6c42&#xff0c;\u4ee5\u6ce8\u518c\u81ea\u5df1\u3001\u83b7\u53d6\u5fc5\u8981\u7684\u914d\u7f6e\u4fe1\u606f&#xff0c;\u6216\u8fdb\u884c\u72b6\u6001\u540c\u6b65\u3002 <\/p>\n<h4> 2.2 IOCP\u5ba2\u6237\u7aef\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0 <\/h4>\n<h5> 2.2.1 \u8fde\u63a5\u7ba1\u7406 <\/h5>\n<p> \u8fde\u63a5\u7ba1\u7406\u662f\u5ba2\u6237\u7aef\u8fd0\u884c\u7684\u57fa\u7840\u3002\u5728Delphi\u4e2d&#xff0c;IOCP\u5ba2\u6237\u7aef\u5229\u7528  TIdContext  \u7c7b\u6765\u7ba1\u7406\u6bcf\u4e00\u4e2a\u8fde\u63a5\u3002\u5f53\u4e00\u4e2a\u65b0\u7684\u8fde\u63a5\u5efa\u7acb\u65f6&#xff0c;\u7cfb\u7edf\u4f1a\u4e3a\u8be5\u8fde\u63a5\u5206\u914d\u4e00\u4e2a  TIdContext  \u5b9e\u4f8b\u3002\u5ba2\u6237\u7aef\u9700\u8981\u5b9e\u73b0\u8fde\u63a5\u4e8b\u4ef6\u5904\u7406\u51fd\u6570&#xff0c;\u4ee5\u4fbf\u5728\u8fde\u63a5\u5efa\u7acb\u3001\u5f02\u5e38\u3001\u65ad\u5f00\u7b49\u4e8b\u4ef6\u53d1\u751f\u65f6\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002 <\/p>\n<ul>\n<li>  \u8fde\u63a5\u5efa\u7acb  &#xff1a;\u5f53\u5ba2\u6237\u7aef\u6210\u529f\u8fde\u63a5\u5230\u670d\u52a1\u5668\u540e&#xff0c;  OnConnect  \u4e8b\u4ef6\u88ab\u89e6\u53d1\u3002\u8fd9\u65f6&#xff0c;\u5ba2\u6237\u7aef\u9700\u8981\u5728\u6b64\u4e8b\u4ef6\u4e2d\u5b8c\u6210\u5fc5\u8981\u7684\u521d\u59cb\u5316\u64cd\u4f5c\u3002 <\/li>\n<li>  \u5f02\u5e38\u5904\u7406  &#xff1a;\u4efb\u4f55\u8fde\u63a5\u4e2d\u51fa\u73b0\u7684\u5f02\u5e38\u90fd\u4f1a\u89e6\u53d1  OnException  \u4e8b\u4ef6\u3002\u5f00\u53d1\u8005\u5728\u6b64\u4e8b\u4ef6\u4e2d\u5b9a\u4e49\u9519\u8bef\u5904\u7406\u903b\u8f91&#xff0c;\u6bd4\u5982\u91cd\u65b0\u8fde\u63a5\u6216\u8bb0\u5f55\u9519\u8bef\u4fe1\u606f\u3002 <\/li>\n<li>  \u8fde\u63a5\u5173\u95ed  &#xff1a;\u8fde\u63a5\u88ab\u65ad\u5f00\u65f6&#xff0c;  OnDisconnect  \u4e8b\u4ef6\u53d1\u751f\u3002\u5ba2\u6237\u7aef\u9700\u8981\u786e\u4fdd\u6240\u6709\u8d44\u6e90\u88ab\u6b63\u786e\u6e05\u7406\u3002 <\/li>\n<\/ul>\n<p>procedure TForm1.IdTCPConnection1Connect(AContext: TIdContext);<br \/>\nbegin<br \/>\n  \/\/ \u8fde\u63a5\u5efa\u7acb\u540e\u6267\u884c\u7684\u64cd\u4f5c<br \/>\nend;<\/p>\n<p>procedure TForm1.IdTCPConnection1Disconnect(AContext: TIdContext; AException: Exception);<br \/>\nbegin<br \/>\n  \/\/ \u8fde\u63a5\u65ad\u5f00\u540e\u6267\u884c\u7684\u64cd\u4f5c<br \/>\nend;<\/p>\n<p>procedure TForm1.IdTCPConnection1Exception(AContext: TIdContext; AException: Exception);<br \/>\nbegin<br \/>\n  \/\/ \u5f02\u5e38\u5904\u7406\u903b\u8f91<br \/>\nend;<\/p>\n<h5> 2.2.2 \u6570\u636e\u63a5\u6536\u4e0e\u53d1\u9001 <\/h5>\n<p> \u6570\u636e\u7684\u63a5\u6536\u548c\u53d1\u9001\u662fIOCP\u5ba2\u6237\u7aef\u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\u3002Delphi\u4e2d\u901a\u5e38\u4f7f\u7528  TIdTCPConnection  \u7c7b\u7684  IOHandler  \u6765\u8bfb\u53d6\u548c\u53d1\u9001\u6570\u636e\u3002\u5728  OnRead  \u4e8b\u4ef6\u4e2d\u5904\u7406\u4ece\u670d\u52a1\u5668\u63a5\u6536\u7684\u6570\u636e&#xff0c;\u800c\u5728\u4e1a\u52a1\u903b\u8f91\u4e2d\u4e3b\u52a8\u8c03\u7528  Write()  \u65b9\u6cd5\u6765\u53d1\u9001\u6570\u636e\u3002 <\/p>\n<p>procedure TForm1.IdTCPConnection1Read(AContext: TIdContext; ABuffer: TIdBytes);<br \/>\nbegin<br \/>\n  \/\/ \u5904\u7406\u4ece\u670d\u52a1\u5668\u63a5\u6536\u7684\u6570\u636e<br \/>\nend;<\/p>\n<p>procedure TForm1.SendData;<br \/>\nbegin<br \/>\n  IdTCPConnection1.IOHandler.Write(ABuffer);<br \/>\nend;<\/p>\n<h5> 2.2.3 \u9519\u8bef\u5904\u7406\u4e0e\u5f02\u5e38\u7ba1\u7406 <\/h5>\n<p> \u5728\u5ba2\u6237\u7aef\u5e94\u7528\u4e2d&#xff0c;\u9519\u8bef\u5904\u7406\u548c\u5f02\u5e38\u7ba1\u7406\u662f\u4fdd\u8bc1\u5e94\u7528\u7a33\u5b9a\u8fd0\u884c\u7684\u5173\u952e\u3002IOCP\u5ba2\u6237\u7aef\u5728\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92\u4e2d&#xff0c;\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u5f02\u5e38\u60c5\u51b5&#xff0c;\u5982\u7f51\u7edc\u4e0d\u7a33\u5b9a\u3001\u6570\u636e\u89e3\u6790\u9519\u8bef\u7b49\u3002\u9519\u8bef\u5904\u7406\u673a\u5236\u5e94\u8be5\u80fd\u591f\u8986\u76d6\u8fd9\u4e9b\u60c5\u51b5&#xff0c;\u786e\u4fdd\u5f02\u5e38\u53d1\u751f\u65f6&#xff0c;\u5ba2\u6237\u7aef\u80fd\u591f\u6062\u590d\u6216\u4f18\u96c5\u5730\u7ec8\u6b62\u8fd0\u884c\u3002 <\/p>\n<h4> 2.3 IOCP\u5ba2\u6237\u7aef\u6027\u80fd\u4f18\u5316\u7b56\u7565 <\/h4>\n<h5> 2.3.1 \u9ad8\u6548\u7684I\/O\u5904\u7406\u6280\u672f <\/h5>\n<p> \u9ad8\u6548I\/O\u5904\u7406\u662f\u63d0\u5347IOCP\u5ba2\u6237\u7aef\u6027\u80fd\u7684\u5173\u952e\u3002\u5728Delphi\u4e2d&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u6765\u4f18\u5316I\/O\u5904\u7406&#xff1a; <\/p>\n<ul>\n<li>  \u5f02\u6b65I\/O\u64cd\u4f5c  &#xff1a;\u4f7f\u7528  TIdIOHandler  \u7684  ReadAsync  \u548c  WriteAsync  \u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u975e\u963b\u585e\u7684\u5f02\u6b65\u8bfb\u5199\u64cd\u4f5c\u3002\u8fd9\u4e9b\u64cd\u4f5c\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b&#xff0c;\u5141\u8bb8\u5e94\u7528\u5728I\/O\u64cd\u4f5c\u8fdb\u884c\u65f6\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002 <\/li>\n<li>  \u7f13\u51b2\u533a\u7ba1\u7406  &#xff1a;\u5408\u7406\u914d\u7f6e\u548c\u7ba1\u7406\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u53ef\u4ee5\u51cf\u5c11I\/O\u64cd\u4f5c\u7684\u6b21\u6570&#xff0c;\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002 <\/li>\n<\/ul>\n<p>procedure TForm1.IdTCPConnection1Read(AContext: TIdContext; ABuffer: TIdBytes);<br \/>\nbegin<br \/>\n  \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e<br \/>\n  \/\/ \u5229\u7528ReadAsync\u7ee7\u7eed\u8bfb\u53d6\u4e0b\u4e00\u5305\u6570\u636e<br \/>\n  AContext.Connection.IOHandler.ReadAsync(ABuffer);<br \/>\nend;<\/p>\n<h5> 2.3.2 \u5f02\u6b65\u64cd\u4f5c\u4e0e\u591a\u7ebf\u7a0b\u7ba1\u7406 <\/h5>\n<p> \u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6548\u7387&#xff0c;\u5ba2\u6237\u7aef\u53ef\u4ee5\u91c7\u7528\u591a\u7ebf\u7a0b\u6280\u672f&#xff0c;\u5c06\u4e0d\u540c\u7684\u4efb\u52a1\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u7ebf\u7a0b\u6267\u884c\u3002Delphi\u63d0\u4f9b\u4e86  TThread  \u7c7b\u548c\u591a\u7ebf\u7a0b\u76f8\u5173\u7684\u529f\u80fd&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7ba1\u7406\u591a\u7ebf\u7a0b\u3002 <\/p>\n<ul>\n<li>  \u4f7f\u7528  TThread  \u521b\u5efa\u65b0\u7ebf\u7a0b  &#xff1a;\u521b\u5efa\u4e00\u4e2a\u7ee7\u627f\u81ea  TThread  \u7684\u7c7b&#xff0c;\u5e76\u5728  Execute  \u65b9\u6cd5\u4e2d\u6267\u884c\u9700\u8981\u591a\u7ebf\u7a0b\u5904\u7406\u7684\u4efb\u52a1\u3002 <\/li>\n<li>  \u7ebf\u7a0b\u540c\u6b65  &#xff1a;\u4f7f\u7528  TMonitor  \u3001  TEvent  \u7b49\u540c\u6b65\u673a\u5236&#xff0c;\u4fdd\u8bc1\u7ebf\u7a0b\u95f4\u7684\u6b63\u786e\u540c\u6b65\u548c\u6570\u636e\u4e00\u81f4\u6027\u3002 <\/li>\n<\/ul>\n<p>type<br \/>\n  TWorkerThread &#061; class(TThread)<br \/>\n  protected<br \/>\n    procedure Execute; override;<br \/>\n  end;<\/p>\n<p>procedure TWorkerThread.Execute;<br \/>\nbegin<br \/>\n  \/\/ \u7ebf\u7a0b\u6267\u884c\u7684\u5177\u4f53\u4efb\u52a1<br \/>\nend;<\/p>\n<p> \u901a\u8fc7\u4e0a\u8ff0\u7b56\u7565&#xff0c;IOCP\u5ba2\u6237\u7aef\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406\u5927\u91cf\u5e76\u53d1I\/O\u64cd\u4f5c&#xff0c;\u5e76\u786e\u4fdd\u8d44\u6e90\u7684\u5408\u7406\u5229\u7528\u3002\u8fd9\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u5ba2\u6237\u7aef\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u5904\u7406\u80fd\u529b&#xff0c;\u8fd8\u63d0\u5347\u4e86\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n<h2> 3. IOCP\u6280\u672f\u57fa\u7840\u4e0e\u5e94\u7528 <\/h2>\n<h3> 3.1 IOCP\u6280\u672f\u6982\u8ff0 <\/h3>\n<h4> 3.1.1 IOCP\u7684\u5b9a\u4e49\u4e0e\u539f\u7406 <\/h4>\n<p> IOCP&#xff0c;\u5168\u79f0I\/O Completion Ports&#xff0c;\u662fWindows\u7cfb\u7edf\u4e2d\u4e00\u79cd\u7528\u4e8e\u5904\u7406\u5f02\u6b65I\/O\u64cd\u4f5c\u7684\u9ad8\u6548\u673a\u5236\u3002\u5176\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u5728\u5355\u4e2a\u6216\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u6267\u884cI\/O\u64cd\u4f5c&#xff0c;\u5f53\u8fd9\u4e9b\u64cd\u4f5c\u5b8c\u6210\u65f6&#xff0c;\u7cfb\u7edf\u4f1a\u901a\u77e5\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u4ece\u800c\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u4ee5\u6700\u5c0f\u7684\u5f00\u9500\u8fdb\u884c\u54cd\u5e94\u3002 <\/p>\n<p> IOCP\u7684\u5de5\u4f5c\u539f\u7406\u662f\u57fa\u4e8eI\/O\u8bf7\u6c42\u961f\u5217&#xff0c;\u4ee5\u53ca\u4e00\u7ec4\u7cfb\u7edf\u521b\u5efa\u548c\u7ba1\u7406\u7684\u5b8c\u6210\u7aef\u53e3\u3002\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7\u8c03\u7528CreateIoCompletionPort\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u5b8c\u6210\u7aef\u53e3&#xff0c;\u5e76\u5c06\u5176\u4e0e\u6587\u4ef6\u53e5\u67c4\u5173\u8054\u3002\u5f53I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6&#xff0c;\u7cfb\u7edf\u5c06I\/O\u8bf7\u6c42\u7684\u7ed3\u679c\u653e\u5165\u5b8c\u6210\u7aef\u53e3\u7684\u961f\u5217\u4e2d\u3002 <\/p>\n<p> \u63a5\u4e0b\u6765&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u901a\u8fc7GetQueuedCompletionStatus\u51fd\u6570\u6765\u83b7\u53d6\u5b8c\u6210\u7aef\u53e3\u961f\u5217\u4e2d\u7684I\/O\u64cd\u4f5c\u7ed3\u679c\u3002\u8fd9\u4e2a\u51fd\u6570\u4f1a\u963b\u585e\u8c03\u7528\u5b83\u7684\u7ebf\u7a0b&#xff0c;\u76f4\u5230\u6709I\/O\u64cd\u4f5c\u5b8c\u6210\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u5904\u7406\u3002 <\/p>\n<h4> 3.1.2 IOCP\u6280\u672f\u7684\u53d1\u5c55\u80cc\u666f <\/h4>\n<p> \u968f\u7740\u7f51\u7edc\u6280\u672f\u7684\u53d1\u5c55&#xff0c;\u670d\u52a1\u5668\u9700\u8981\u5904\u7406\u8d8a\u6765\u8d8a\u591a\u7684\u5e76\u53d1I\/O\u8bf7\u6c42&#xff0c;\u8fd9\u5bf9\u670d\u52a1\u5668\u7684\u6027\u80fd\u63d0\u51fa\u4e86\u66f4\u9ad8\u7684\u8981\u6c42\u3002\u4f20\u7edf\u7684\u540c\u6b65I\/O\u6a21\u578b\u5728\u9ad8\u5e76\u53d1\u7684\u60c5\u51b5\u4e0b\u4f1a\u5bfc\u81f4\u5927\u91cf\u7684\u7ebf\u7a0b\u963b\u585e&#xff0c;\u9020\u6210\u8d44\u6e90\u6d6a\u8d39\u548c\u6027\u80fd\u74f6\u9888\u3002 <\/p>\n<p> IOCP\u6280\u672f\u6b63\u662f\u5728\u8fd9\u79cd\u80cc\u666f\u4e0b\u53d1\u5c55\u8d77\u6765\u7684\u3002\u5b83\u5229\u7528Windows\u5185\u6838\u63d0\u4f9b\u7684I\/O\u5b8c\u6210\u7aef\u53e3\u6a21\u578b&#xff0c;\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u5728\u5904\u7406\u5927\u91cf\u5e76\u53d1I\/O\u8bf7\u6c42\u65f6\u51cf\u5c11\u7ebf\u7a0b\u6570\u91cf&#xff0c;\u63d0\u9ad8\u7cfb\u7edf\u6548\u7387\u3002IOCP\u7684\u5f15\u5165&#xff0c;\u4f7f\u5f97Windows\u5e73\u53f0\u7684\u7f51\u7edc\u670d\u52a1\u5668\u80fd\u591f\u66f4\u52a0\u9ad8\u6548\u5730\u5904\u7406\u5927\u91cf\u7684\u7f51\u7edc\u8fde\u63a5\u548cI\/O\u64cd\u4f5c&#xff0c;\u6ee1\u8db3\u4e86\u4e92\u8054\u7f51\u65f6\u4ee3\u5bf9\u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u7684\u9700\u6c42\u3002 <\/p>\n<h3> 3.2 IOCP\u6280\u672f\u5728Delphi\u4e2d\u7684\u5b9e\u73b0 <\/h3>\n<h4> 3.2.1 IOCP\u5728Delphi\u4e2d\u7684\u96c6\u6210\u65b9\u5f0f <\/h4>\n<p> \u5728Delphi\u4e2d\u5b9e\u73b0IOCP&#xff0c;\u9996\u5148\u9700\u8981\u4f7f\u7528Windows API\u3002Delphi\u7684SysUtils\u5355\u5143\u63d0\u4f9b\u4e86\u4e0eWindows API\u96c6\u6210\u7684\u57fa\u672c\u529f\u80fd&#xff0c;\u5176\u4e2d\u5305\u62ec\u521b\u5efa\u5b8c\u6210\u7aef\u53e3\u548c\u5173\u8054\u6587\u4ef6\u53e5\u67c4\u7684\u51fd\u6570\u3002 <\/p>\n<p> \u8981\u521b\u5efa\u4e00\u4e2aIOCP&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p>function CreateIOCP: THandle;<br \/>\nvar<br \/>\n  SecurityAttributes: TSecurityAttributes;<br \/>\nbegin<br \/>\n  SecurityAttributes.nLength :&#061; SizeOf(SecurityAttributes);<br \/>\n  SecurityAttributes.lpSecurityDescriptor :&#061; nil;<br \/>\n  SecurityAttributes.bInheritHandle :&#061; True;<br \/>\n  Result :&#061; CreateIoCompletionPort(INVALID_HANDLE_VALUE, 0, 0, 0);<br \/>\n  if Result &#061; 0 then<br \/>\n    raise Exception.CreateFmt(&#039;CreateIoCompletionPort failed with error %d&#039;, [Windows.GetLastError]);<br \/>\nend;<\/p>\n<p> \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d&#xff0c;\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b89\u5168\u5c5e\u6027\u7ed3\u6784&#xff0c;\u7528\u4e8e\u6307\u5b9a\u5b8c\u6210\u7aef\u53e3\u53e5\u67c4\u662f\u5426\u53ef\u4ee5\u88ab\u5b50\u8fdb\u7a0b\u7ee7\u627f\u3002\u7136\u540e\u4f7f\u7528  CreateIoCompletionPort  \u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u5b8c\u6210\u7aef\u53e3\u3002\u5982\u679c\u521b\u5efa\u5931\u8d25&#xff0c;\u5c06\u629b\u51fa\u5f02\u5e38\u3002\u521b\u5efa\u6210\u529f\u540e&#xff0c;\u6211\u4eec\u5c31\u53ef\u4ee5\u5173\u8054\u6587\u4ef6\u53e5\u67c4\u5230\u8fd9\u4e2a\u7aef\u53e3&#xff0c;\u5e76\u5728\u9700\u8981\u7684\u65f6\u5019&#xff0c;\u5bf9\u5b8c\u6210\u7aef\u53e3\u961f\u5217\u4e2d\u7684I\/O\u64cd\u4f5c\u7ed3\u679c\u8fdb\u884c\u5904\u7406\u3002 <\/p>\n<h4> 3.2.2 IOCP\u6280\u672f\u7684\u4f18\u52bf\u4e0e\u5c40\u9650\u6027 <\/h4>\n<p> IOCP\u6280\u672f\u7684\u4f18\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u6027\u80fd\u548c\u6548\u7387\u4e0a\u3002\u901a\u8fc7\u51cf\u5c11\u7ebf\u7a0b\u6570\u91cf\u548c\u590d\u7528\u7ebf\u7a0b&#xff0c;IOCP\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b&#xff0c;\u964d\u4f4eCPU\u4f7f\u7528\u7387&#xff0c;\u5e76\u4e14\u51cf\u5c11\u4e86\u7ebf\u7a0b\u5207\u6362\u5f00\u9500\u3002 <\/p>\n<p> \u7136\u800c&#xff0c;IOCP\u4e5f\u6709\u5176\u5c40\u9650\u6027\u3002\u9996\u5148&#xff0c;\u5b83\u53ea\u80fd\u5728Windows\u5e73\u53f0\u4e0a\u4f7f\u7528&#xff0c;\u8fd9\u9650\u5236\u4e86\u5b83\u7684\u9002\u7528\u8303\u56f4\u3002\u5176\u6b21&#xff0c;\u4f7f\u7528IOCP\u9700\u8981\u8f83\u4e3a\u6df1\u5165\u5730\u7406\u89e3Windows\u7684\u5f02\u6b65I\/O\u548c\u7ebf\u7a0b\u7ba1\u7406\u673a\u5236&#xff0c;\u8fd9\u589e\u52a0\u4e86\u6280\u672f\u95e8\u69db\u3002\u6700\u540e&#xff0c;\u867d\u7136IOCP\u901a\u8fc7\u51cf\u5c11\u7ebf\u7a0b\u6570\u91cf\u63d0\u9ad8\u4e86\u6548\u7387&#xff0c;\u4f46\u4e5f\u56e0\u6b64\u589e\u52a0\u4e86\u7f16\u7a0b\u7684\u590d\u6742\u6027\u3002\u5f00\u53d1\u8005\u9700\u8981\u7cbe\u5fc3\u8bbe\u8ba1\u7ebf\u7a0b\u540c\u6b65\u548c\u5e76\u53d1\u63a7\u5236\u7b56\u7565&#xff0c;\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002 <\/p>\n<p> IOCP\u6280\u672f\u662fDelphi\u5f00\u53d1\u8005\u5fc5\u987b\u638c\u63e1\u7684\u91cd\u8981\u6280\u672f\u4e4b\u4e00&#xff0c;\u5c24\u5176\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u7684\u573a\u666f&#xff0c;\u5982\u7f51\u7edc\u670d\u52a1\u5668\u6216\u9ad8\u6027\u80fd\u8ba1\u7b97\u5e94\u7528\u3002\u638c\u63e1IOCP&#xff0c;\u53ef\u4ee5\u4e3a\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u5e26\u6765\u6027\u80fd\u4e0a\u7684\u5de8\u5927\u63d0\u5347\u3002 <\/p>\n<h3> 3.3 IOCP\u6280\u672f\u7684\u73b0\u5b9e\u5e94\u7528\u6848\u4f8b\u5206\u6790 <\/h3>\n<h4> 3.3.1 \u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u5668\u7684\u6784\u5efa <\/h4>\n<p> \u4e3a\u4e86\u5c55\u793aIOCP\u7684\u5b9e\u9645\u5e94\u7528&#xff0c;\u6211\u4eec\u6765\u5206\u6790\u4e00\u4e2a\u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u5668\u7684\u6784\u5efa\u8fc7\u7a0b\u3002\u670d\u52a1\u5668\u7684\u6838\u5fc3\u9700\u6c42\u662f\u5bf9\u5e76\u53d1I\/O\u64cd\u4f5c\u8fdb\u884c\u9ad8\u6548\u5904\u7406&#xff0c;\u800cIOCP\u6b63\u662f\u6ee1\u8db3\u8fd9\u4e00\u9700\u6c42\u7684\u7406\u60f3\u9009\u62e9\u3002 <\/p>\n<p> \u6784\u5efa\u8fd9\u6837\u7684\u670d\u52a1\u5668\u9700\u8981\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li>  \u521d\u59cb\u5316IOCP  &#xff1a;\u9996\u5148\u521b\u5efa\u4e00\u4e2aIOCP\u5b8c\u6210\u7aef\u53e3&#xff0c;\u5e76\u4e3a\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\u521b\u5efa\u4e00\u4e2asocket\u3002 <\/li>\n<p>var<br \/>\n  IOCPHandle: THandle;<br \/>\nbegin<br \/>\n  IOCPHandle :&#061; CreateIOCP;<br \/>\n  \/\/ &#8230; \u521b\u5efa\u76d1\u542csocket\u5e76\u5173\u8054\u5230IOCP&#8230;<br \/>\nend;<\/p>\n<li>  \u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5  &#xff1a;\u5f53\u6709\u65b0\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u65f6&#xff0c;\u7cfb\u7edf\u4f1a\u5728IOCP\u5b8c\u6210\u7aef\u53e3\u4e0a\u901a\u77e5\u5e94\u7528\u7a0b\u5e8f\u3002 <\/li>\n<p>function AcceptClient(Socket: TSocket): TSocket;<br \/>\nvar<br \/>\n  ClientSocket: TSocket;<br \/>\n  Address: TSockAddr;<br \/>\n  AddressLength: Integer;<br \/>\nbegin<br \/>\n  AddressLength :&#061; SizeOf(Address);<br \/>\n  ClientSocket :&#061; accept(Socket, &#064;Address, &#064;AddressLength);<br \/>\n  if ClientSocket &#061; INVALID_SOCKET then<br \/>\n    raise Exception.Create(&#039;Accept client failed&#039;);<br \/>\n  if not CreateIoCompletionPort(THandle(ClientSocket), IOCPHandle, 0, 0) then<br \/>\n    raise Exception.Create(&#039;CreateIOCompletionPort failed&#039;);<br \/>\n  Result :&#061; ClientSocket;<br \/>\nend;<\/p>\n<li>  \u63a5\u6536\u4e0e\u53d1\u9001\u6570\u636e  &#xff1a;\u670d\u52a1\u5668\u901a\u8fc7IOCP\u63a5\u6536\u548c\u53d1\u9001\u6570\u636e&#xff0c;\u5229\u7528\u7cfb\u7edf\u7ebf\u7a0b\u6c60\u51cf\u5c11\u7ebf\u7a0b\u521b\u5efa\u548c\u9500\u6bc1\u7684\u5f00\u9500\u3002 <\/li>\n<p>procedure ReceiveData(ClientSocket: TSocket);<br \/>\nbegin<br \/>\n  \/\/ &#8230; \u4ecesocket\u63a5\u6536\u6570\u636e\u5e76\u5904\u7406 &#8230;<br \/>\nend;<\/p>\n<p>procedure SendMessage(ClientSocket: TSocket);<br \/>\nbegin<br \/>\n  \/\/ &#8230; \u5411socket\u53d1\u9001\u6570\u636e &#8230;<br \/>\nend;<\/p>\n<li>  \u9519\u8bef\u5904\u7406\u4e0e\u8d44\u6e90\u6e05\u7406  &#xff1a;\u5728\u63a5\u6536\u5230I\/O\u64cd\u4f5c\u5b8c\u6210\u901a\u77e5\u65f6&#xff0c;\u8fdb\u884c\u9519\u8bef\u68c0\u67e5&#xff0c;\u5e76\u5728\u53d1\u751f\u9519\u8bef\u6216\u8fde\u63a5\u5173\u95ed\u65f6\u6e05\u7406\u8d44\u6e90\u3002 <\/li>\n<p>procedure HandleIOCPCompletion(ClientSocket: TSocket; &amp;Result: Cardinal; pOverlapped: POverlapped);<br \/>\nbegin<br \/>\n  if &amp;Result &#061; SOCKET_ERROR then<br \/>\n    \/\/ &#8230; \u68c0\u67e5\u9519\u8bef &#8230;<br \/>\n  \/\/ &#8230; \u6570\u636e\u5904\u7406 &#8230;<br \/>\nend;<\/p>\n<p>procedure CloseClient(ClientSocket: TSocket);<br \/>\nbegin<br \/>\n  closesocket(ClientSocket);<br \/>\nend;<\/p>\n<p> \u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4&#xff0c;\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u57fa\u4e8eIOCP\u7684\u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u5668\u3002\u8be5\u670d\u52a1\u5668\u53ef\u4ee5\u6709\u6548\u5904\u7406\u6570\u4ee5\u4e07\u8ba1\u7684\u5e76\u53d1\u8fde\u63a5&#xff0c;\u4e14\u8d44\u6e90\u4f7f\u7528\u7387\u548cCPU\u5360\u7528\u7387\u90fd\u4fdd\u6301\u5728\u8f83\u4f4e\u6c34\u5e73\u3002 <\/p>\n<h4> 3.3.2 \u5f02\u6b65I\/O\u64cd\u4f5c\u4e0e\u4e8b\u4ef6\u9a71\u52a8\u7f16\u7a0b <\/h4>\n<p> IOCP\u6280\u672f\u5728Delphi\u4e2d\u7684\u5e94\u7528\u4e0d\u4ec5\u9650\u4e8e\u7f51\u7edc\u670d\u52a1\u5668&#xff0c;\u5b83\u4e5f\u662f\u5b9e\u73b0\u5f02\u6b65I\/O\u64cd\u4f5c\u548c\u4e8b\u4ef6\u9a71\u52a8\u7f16\u7a0b\u7684\u57fa\u77f3\u3002\u7531\u4e8eIOCP\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u5728I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6\u624d\u6267\u884c\u76f8\u5e94\u7684\u5904\u7406\u903b\u8f91&#xff0c;\u56e0\u6b64\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5b9e\u73b0\u9700\u8981\u5927\u91cf\u5f02\u6b65\u64cd\u4f5c\u7684\u5e94\u7528\u7a0b\u5e8f\u3002 <\/p>\n<p> \u4ee5\u4e00\u4e2a\u6587\u4ef6\u76d1\u63a7\u5668\u4e3a\u4f8b&#xff0c;\u8be5\u76d1\u63a7\u5668\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u6587\u4ef6\u7cfb\u7edf\u7684\u53d8\u5316&#xff0c;\u5e76\u5728\u68c0\u6d4b\u5230\u53d8\u5316\u65f6\u6267\u884c\u76f8\u5e94\u7684\u4e8b\u4ef6\u5904\u7406\u903b\u8f91&#xff1a; <\/p>\n<li>  \u521b\u5efaIOCP\u5b8c\u6210\u7aef\u53e3  &#xff1a;\u521b\u5efaIOCP\u5e76\u5173\u8054\u5230\u4e00\u4e2a\u76d1\u89c6\u53e5\u67c4\u3002 <\/li>\n<p>function MonitorDirectory(Directory: string): THandle;<br \/>\nvar<br \/>\n  DirectoryHandle: THandle;<br \/>\nbegin<br \/>\n  DirectoryHandle :&#061; CreateFile(PChar(Directory), GENERIC_READ,<br \/>\n    FILE_SHARE_READ or FILE_SHARE_WRITE or FILE_SHARE_DELETE,<br \/>\n    nil, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);<br \/>\n  if DirectoryHandle &#061; INVALID_HANDLE_VALUE then<br \/>\n    RaiseLastOSError;<br \/>\n  Result :&#061; CreateIoCompletionPort(THandle(DirectoryHandle), 0, 0, 0);<br \/>\nend;<\/p>\n<li>  \u5173\u8054\u76d1\u89c6\u53e5\u67c4\u5230IOCP  &#xff1a;\u5f53\u6587\u4ef6\u7cfb\u7edf\u4e8b\u4ef6\u53d1\u751f\u65f6&#xff0c;\u8fd9\u4e9b\u4e8b\u4ef6\u4f1a\u52a0\u5165\u5230IOCP\u961f\u5217\u4e2d\u3002 <\/li>\n<p>function MonitorFileChanges(DirectoryHandle: THandle; Overlapped: POverlapped): Boolean;<br \/>\nbegin<br \/>\n  Result :&#061; ReadDirectoryChangesW(DirectoryHandle, Overlapped, OverlappedSize, True, FILE_NOTIFY_CHANGE_LAST_WRITE, OverlappedSize, nil, nil);<br \/>\nend;<\/p>\n<li>  \u5904\u7406IOCP\u901a\u77e5  &#xff1a;\u901a\u8fc7\u83b7\u53d6IOCP\u5b8c\u6210\u7aef\u53e3\u7684\u901a\u77e5&#xff0c;\u8fdb\u884c\u4e8b\u4ef6\u5904\u7406\u3002 <\/li>\n<p>function ProcessFileChange(Overlapped: POverlapped; BytesTransferred: DWORD): Boolean;<br \/>\nvar<br \/>\n  Status: Boolean;<br \/>\n  FileNotificationBuffer: FILE_NOTIFY_INFORMATION;<br \/>\n  NotifyInfoSize: DWORD;<br \/>\nbegin<br \/>\n  NotifyInfoSize :&#061; 0;<br \/>\n  Status :&#061; GetOverlappedResult(DirectoryHandle, Overlapped, &#064;NotifyInfoSize, False);<br \/>\n  \/\/ &#8230; \u5904\u7406\u901a\u77e5 &#8230;<br \/>\nend;<\/p>\n<p> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7528\u4e8e\u76d1\u63a7\u76ee\u5f55\u7684IOCP\u3002\u6587\u4ef6\u7cfb\u7edf\u7684\u53d8\u5316\u4e8b\u4ef6\u901a\u8fc7IOCP\u901a\u77e5\u7ed9\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u6839\u636e\u901a\u77e5\u5185\u5bb9\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002 <\/p>\n<h4> 3.3.3 IOCP\u6280\u672f\u7684\u5c40\u9650\u4e0e\u5e94\u5bf9\u7b56\u7565 <\/h4>\n<p> \u5c3d\u7ba1IOCP\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5e76\u53d1\u5904\u7406\u80fd\u529b&#xff0c;\u4f46\u5b83\u5e76\u4e0d\u662f\u5b8c\u7f8e\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5176\u5c40\u9650\u6027\u4e3b\u8981\u8868\u73b0\u5728\u4ee5\u4e0b\u51e0\u70b9&#xff1a; <\/p>\n<li>  \u5e73\u53f0\u9650\u5236  &#xff1a;IOCP\u4ec5\u5728Windows\u5e73\u53f0\u4e0a\u53ef\u7528&#xff0c;\u5bf9\u4e8e\u9700\u8981\u8de8\u5e73\u53f0\u7684\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u8fd9\u6210\u4e3a\u4e00\u4e2a\u969c\u788d\u3002 <\/li>\n<li>  \u7f16\u7a0b\u590d\u6742\u6027  &#xff1a;\u5b9e\u73b0IOCP\u9700\u8981\u6df1\u5165\u7406\u89e3Windows I\/O\u6a21\u578b\u548c\u7ebf\u7a0b\u7ba1\u7406&#xff0c;\u8fd9\u589e\u52a0\u4e86\u5f00\u53d1\u96be\u5ea6\u3002 <\/li>\n<li>  \u8c03\u8bd5\u96be\u5ea6  &#xff1a;IOCP\u6d89\u53ca\u7684\u5f02\u6b65\u64cd\u4f5c\u548c\u591a\u7ebf\u7a0b\u5904\u7406\u4f7f\u5f97\u8c03\u8bd5\u53d8\u5f97\u590d\u6742\u3002 <\/li>\n<p> \u4e3a\u5e94\u5bf9\u8fd9\u4e9b\u5c40\u9650&#xff0c;\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u7b56\u7565&#xff1a; <\/p>\n<ul>\n<li>  \u4f7f\u7528\u8de8\u5e73\u53f0\u7684\u66ff\u4ee3\u65b9\u6848  &#xff1a;\u5bf9\u4e8e\u9700\u8981\u8de8\u5e73\u53f0\u7684\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u57fa\u4e8e\u4e8b\u4ef6\u7684\u5f02\u6b65\u6a21\u5f0f&#xff08;EAP&#xff09;\u7b49\u5176\u4ed6\u6280\u672f\u3002 <\/li>\n<li>  \u5c01\u88c5\u548c\u62bd\u8c61  &#xff1a;\u901a\u8fc7\u5c01\u88c5IOCP\u76f8\u5173\u7684\u590d\u6742\u64cd\u4f5c&#xff0c;\u63d0\u4f9b\u9ad8\u5c42API\u4f9b\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528&#xff0c;\u53ef\u4ee5\u964d\u4f4e\u7f16\u7a0b\u590d\u6742\u6027\u3002 <\/li>\n<li>  \u96c6\u6210\u8c03\u8bd5\u5de5\u5177  &#xff1a;\u4f7f\u7528\u9ad8\u7ea7\u7684\u8c03\u8bd5\u5de5\u5177\u548c\u65b9\u6cd5&#xff0c;\u5982\u7ebf\u7a0b\u5206\u6790\u5668\u548c\u6027\u80fd\u76d1\u89c6\u5668&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u8c03\u8bd5IOCP\u5e94\u7528\u7a0b\u5e8f\u3002 <\/li>\n<\/ul>\n<p> \u901a\u8fc7\u4ee5\u4e0a\u7b56\u7565&#xff0c;\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u514b\u670dIOCP\u6280\u672f\u7684\u5c40\u9650&#xff0c;\u4f7f\u5176\u5728\u7279\u5b9a\u573a\u666f\u4e2d\u53d1\u6325\u66f4\u5927\u7684\u4f5c\u7528\u3002 <\/p>\n<h2> 4. \u9ad8\u5e76\u53d1\u8fde\u63a5\u5904\u7406\u4e0eHTTP\u8bf7\u6c42\u5904\u7406 <\/h2>\n<h3> 4.1 \u9ad8\u5e76\u53d1\u8fde\u63a5\u7ba1\u7406 <\/h3>\n<h4> 4.1.1 \u8fde\u63a5\u6c60\u6280\u672f <\/h4>\n<p> \u8fde\u63a5\u6c60\u6280\u672f\u662f\u4e00\u79cd\u7528\u4e8e\u4f18\u5316\u6570\u636e\u5e93\u8fde\u63a5\u3001\u5957\u63a5\u5b57\u8fde\u63a5\u7b49\u8d44\u6e90\u7ba1\u7406\u7684\u6280\u672f&#xff0c;\u5b83\u53ef\u4ee5\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u5904\u7406\u6570\u636e\u5e93\u8bbf\u95ee\u6216\u7f51\u7edc\u901a\u4fe1\u65f6\u7684\u6027\u80fd\u3002\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b&#xff0c;\u8fde\u63a5\u6c60\u80fd\u591f\u6709\u6548\u51cf\u5c11\u8fde\u63a5\u521b\u5efa\u548c\u9500\u6bc1\u7684\u5f00\u9500&#xff0c;\u5b9e\u73b0\u8fde\u63a5\u7684\u590d\u7528\u3002 <\/p>\n<p> \u5728Delphi\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u6216\u8005\u5185\u7f6e\u7684\u7ec4\u4ef6\u6765\u5b9e\u73b0\u8fde\u63a5\u6c60\u6280\u672f\u3002\u4f8b\u5982&#xff0c;\u5bf9\u4e8e\u6570\u636e\u5e93\u8fde\u63a5\u6c60&#xff0c;\u53ef\u4ee5\u4f7f\u7528IBX\u3001DBX\u7b49\u7ec4\u4ef6&#xff1b;\u5bf9\u4e8e\u7f51\u7edc\u8fde\u63a5\u6c60&#xff0c;\u5219\u53ef\u4ee5\u8003\u8651\u81ea\u5b9a\u4e49\u5b9e\u73b0\u6216\u8005\u4f7f\u7528\u73b0\u6709\u7684IOCP\u7ec4\u4ef6\u3002 <\/p>\n<p> \u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p>\/\/ \u793a\u4f8b\u4ee3\u7801\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u8fde\u63a5\u6c60\u6280\u672f<br \/>\ntype<br \/>\n  TConnectionPool &#061; class<br \/>\n  private<br \/>\n    FConnections: TList&lt;TIDBConnection&gt;;<br \/>\n    FMaxConnections: Integer;<br \/>\n  public<br \/>\n    constructor Create(AMaxConnections: Integer);<br \/>\n    destructor Destroy; override;<br \/>\n    function GetConnection: TIDBConnection;<br \/>\n    procedure ReleaseConnection(Conn: TIDBConnection);<br \/>\n  end;<\/p>\n<p>constructor TConnectionPool.Create(AMaxConnections: Integer);<br \/>\nbegin<br \/>\n  inherited Create;<br \/>\n  FMaxConnections :&#061; AMaxConnections;<br \/>\n  FConnections :&#061; TList&lt;TIDBConnection&gt;.Create;<br \/>\nend;<\/p>\n<p>destructor TConnectionPool.Destroy;<br \/>\nbegin<br \/>\n  while FConnections.Count &gt; 0 do<br \/>\n    ReleaseConnection(FConnections[0]);<br \/>\n  FConnections.Free;<br \/>\n  inherited;<br \/>\nend;<\/p>\n<p>function TConnectionPool.GetConnection: TIDBConnection;<br \/>\nbegin<br \/>\n  \/\/ \u5b9e\u73b0\u83b7\u53d6\u8fde\u63a5\u7684\u903b\u8f91&#xff0c;\u5982\u679c\u6ca1\u6709\u7a7a\u95f2\u8fde\u63a5&#xff0c;\u521b\u5efa\u65b0\u7684\u8fde\u63a5<br \/>\nend;<\/p>\n<p>procedure TConnectionPool.ReleaseConnection(Conn: TIDBConnection);<br \/>\nbegin<br \/>\n  \/\/ \u5b9e\u73b0\u91ca\u653e\u8fde\u63a5\u7684\u903b\u8f91&#xff0c;\u8fd4\u56de\u8fde\u63a5\u6c60\u8fdb\u884c\u590d\u7528<br \/>\nend;<\/p>\n<h4> 4.1.2 \u7ebf\u7a0b\u6c60\u6280\u672f <\/h4>\n<p> \u7ebf\u7a0b\u6c60\u662f\u53e6\u4e00\u9879\u63d0\u9ad8\u5e76\u53d1\u6027\u80fd\u7684\u5173\u952e\u6280\u672f\u3002\u7ebf\u7a0b\u6c60\u7ef4\u62a4\u7740\u4e00\u7ec4\u7ebf\u7a0b&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u901a\u8fc7\u63d0\u4ea4\u4efb\u52a1\u7ed9\u7ebf\u7a0b\u6c60\u6765\u6267\u884c&#xff0c;\u7ebf\u7a0b\u6c60\u4f1a\u81ea\u52a8\u5904\u7406\u7ebf\u7a0b\u7684\u521b\u5efa\u3001\u6267\u884c\u3001\u9500\u6bc1\u7b49\u8fc7\u7a0b&#xff0c;\u6709\u6548\u964d\u4f4e\u7cfb\u7edf\u5f00\u9500\u3002 <\/p>\n<p> Delphi\u4e2d\u7684\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u4f7f\u7528TThreadList\u7ba1\u7406\u7ebf\u7a0b&#xff0c;\u6216\u8005\u5229\u7528\u7b2c\u4e09\u65b9\u5e93\u5982DelphiVCL\u6216DelphiFMX\u63d0\u4f9b\u7684\u7ebf\u7a0b\u6c60\u7ec4\u4ef6\u3002 <\/p>\n<p> \u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p>type<br \/>\n  TThreadPool &#061; class<br \/>\n  private<br \/>\n    FThreads: TThreadList&lt;TThread&gt;;<br \/>\n    FTaskQueue: TThreadList&lt;TProc&gt;;<br \/>\n    FStopEvent: TEvent;<br \/>\n    procedure ThreadExecute(Thread: TThread);<br \/>\n  public<br \/>\n    constructor Create(AMaxThreads: Integer);<br \/>\n    destructor Destroy; override;<br \/>\n    procedure AddTask(Proc: TProc);<br \/>\n  end;<\/p>\n<p>constructor TThreadPool.Create(AMaxThreads: Integer);<br \/>\nbegin<br \/>\n  inherited Create;<br \/>\n  FThreads :&#061; TThreadList&lt;TThread&gt;.Create;<br \/>\n  FTaskQueue :&#061; TThreadList&lt;TProc&gt;.Create;<br \/>\n  FStopEvent :&#061; TEvent.Create(nil, True, False, &#039;&#039;);<br \/>\n  while FThreads.Count &lt; AMaxThreads do<br \/>\n    FThreads.Add(CreateNewThread);<br \/>\nend;<\/p>\n<p>destructor TThreadPool.Destroy;<br \/>\nbegin<br \/>\n  FStopEvent.SetEvent; \/\/ \u901a\u77e5\u7ebf\u7a0b\u6c60\u505c\u6b62<br \/>\n  FThreads.Free;<br \/>\n  FTaskQueue.Free;<br \/>\n  inherited;<br \/>\nend;<\/p>\n<p>procedure TThreadPool.AddTask(Proc: TProc);<br \/>\nbegin<br \/>\n  FTaskQueue.Add(Proc);<br \/>\n  \/\/ \u542f\u52a8\u7ebf\u7a0b\u6267\u884c\u4efb\u52a1<br \/>\nend;<\/p>\n<p>procedure TThreadPool.ThreadExecute(Thread: TThread);<br \/>\nbegin<br \/>\n  while not FStopEvent.WaitFor(0) do<br \/>\n  begin<br \/>\n    \/\/ \u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u4efb\u52a1\u6267\u884c<br \/>\n    if FTaskQueue.Count &gt; 0 then<br \/>\n    begin<br \/>\n      \/\/ &#8230;\u6267\u884c\u4efb\u52a1\u903b\u8f91&#8230;<br \/>\n    end;<br \/>\n  end;<br \/>\nend;<\/p>\n<h3> 4.2 HTTP\u8bf7\u6c42\u5904\u7406\u673a\u5236 <\/h3>\n<h4> 4.2.1 HTTP\u8bf7\u6c42\u7684\u89e3\u6790\u4e0e\u6784\u5efa <\/h4>\n<p> \u5904\u7406HTTP\u8bf7\u6c42\u65f6&#xff0c;\u901a\u5e38\u9700\u8981\u89e3\u6790\u8bf7\u6c42\u5934\u3001\u8bf7\u6c42\u4f53\u3001\u8bf7\u6c42\u53c2\u6570\u7b49\u4fe1\u606f&#xff0c;\u7136\u540e\u6839\u636e\u89e3\u6790\u7ed3\u679c\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002\u6784\u5efaHTTP\u54cd\u5e94\u65f6&#xff0c;\u9700\u8981\u6b63\u786e\u5730\u8bbe\u7f6e\u72b6\u6001\u7801\u3001\u54cd\u5e94\u5934\u548c\u54cd\u5e94\u4f53\u3002 <\/p>\n<p> \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684HTTP\u8bf7\u6c42\u5904\u7406\u793a\u4f8b&#xff0c;\u4f7f\u7528\u4e86TIdHTTP\u7ec4\u4ef6\u6765\u5904\u7406\u8bf7\u6c42\u548c\u54cd\u5e94&#xff1a; <\/p>\n<p>procedure HandleHTTPRequest(Req: TIdHTTP);<br \/>\nvar<br \/>\n  URL: string;<br \/>\n  Resp: string;<br \/>\nbegin<br \/>\n  URL :&#061; Req.URL;<br \/>\n  \/\/ \u89e3\u6790\u8bf7\u6c42URL\u548c\u53c2\u6570&#8230;<br \/>\n  \/\/ \u6839\u636e\u8bf7\u6c42\u7684\u4e0d\u540c&#xff0c;\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91<br \/>\n  if URL &#061; &#039;\/hello&#039; then<br \/>\n    Resp :&#061; &#039;&lt;h1&gt;Hello, World!&lt;\/h1&gt;&#039;<br \/>\n  else<br \/>\n    Resp :&#061; &#039;&lt;h1&gt;404 Not Found&lt;\/h1&gt;&#039;;<\/p>\n<p>  \/\/ \u53d1\u9001\u54cd\u5e94<br \/>\n  Req.Response.ContentType :&#061; &#039;text\/html&#039;;<br \/>\n  Req.Response.ContentText :&#061; Resp;<br \/>\nend;<\/p>\n<h4> 4.2.2 \u72b6\u6001\u7801\u4e0e\u8bf7\u6c42\u65b9\u6cd5\u7684\u5904\u7406 <\/h4>\n<p> HTTP\u534f\u8bae\u89c4\u5b9a\u4e86\u4e00\u7cfb\u5217\u7684\u72b6\u6001\u7801\u6765\u8868\u793a\u4e0d\u540c\u7684\u54cd\u5e94\u72b6\u6001\u3002\u4f8b\u5982&#xff0c;\u72b6\u6001\u7801200\u8868\u793a\u8bf7\u6c42\u6210\u529f&#xff0c;404\u8868\u793a\u672a\u627e\u5230\u8d44\u6e90\u3002\u5bf9\u4e8e\u8bf7\u6c42\u65b9\u6cd5&#xff0c;GET\u7528\u4e8e\u83b7\u53d6\u8d44\u6e90&#xff0c;POST\u7528\u4e8e\u63d0\u4ea4\u6570\u636e\u3002 <\/p>\n<p> \u5728\u670d\u52a1\u5668\u7aef&#xff0c;\u9700\u8981\u6839\u636e\u8fd9\u4e9b\u72b6\u6001\u7801\u548c\u65b9\u6cd5\u6765\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b&#xff0c;\u5c55\u793a\u4e86\u5982\u4f55\u6839\u636e\u4e0d\u540c\u7684HTTP\u65b9\u6cd5\u6765\u5904\u7406\u8bf7\u6c42&#xff1a; <\/p>\n<p>procedure HandleHTTPGet(Req: TIdHTTP);<br \/>\nbegin<br \/>\n  \/\/ \u5904\u7406GET\u8bf7\u6c42<br \/>\nend;<\/p>\n<p>procedure HandleHTTPPost(Req: TIdHTTP);<br \/>\nbegin<br \/>\n  \/\/ \u5904\u7406POST\u8bf7\u6c42<br \/>\nend;<\/p>\n<p>procedure HandleHTTPRequest(Req: TIdHTTP);<br \/>\nbegin<br \/>\n  if SameText(Req.Method, &#039;GET&#039;) then<br \/>\n    HandleHTTPGet(Req)<br \/>\n  else if SameText(Req.Method, &#039;POST&#039;) then<br \/>\n    HandleHTTPPost(Req)<br \/>\n  else<br \/>\n    Req.Response.StatusCode :&#061; 405; \/\/ \u65b9\u6cd5\u4e0d\u88ab\u5141\u8bb8<br \/>\nend;<\/p>\n<p> \u5728\u4e0a\u8ff0\u7ae0\u8282\u4e2d&#xff0c;\u901a\u8fc7\u4ee3\u7801\u5757\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u8fde\u63a5\u6c60\u548c\u7ebf\u7a0b\u6c60\u6280\u672f&#xff0c;\u4ee5\u53ca\u5982\u4f55\u89e3\u6790\u548c\u6784\u5efaHTTP\u8bf7\u6c42\u3002\u8fd9\u4e9b\u6280\u672f\u5bf9\u4e8e\u63d0\u5347\u9ad8\u5e76\u53d1\u8fde\u63a5\u7ba1\u7406\u548cHTTP\u8bf7\u6c42\u5904\u7406\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u6df1\u5165\u5206\u6790\u4ee3\u7801\u548c\u903b\u8f91&#xff0c;\u8bfb\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e9b\u6280\u672f\u7684\u5b9e\u73b0\u65b9\u5f0f\u548c\u5e94\u7528\u573a\u666f\u3002\u5728\u540e\u7eed\u7684\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u7ee7\u7eed\u63a2\u8ba8WebSocket\u534f\u8bae\u7684\u96c6\u6210\u4ee5\u53ca\u5b9e\u65f6\u5728\u7ebf\u804a\u5929\u529f\u80fd\u7684\u5b9e\u73b0&#xff0c;\u4ee5\u53caDelphi\u4e2dIOCP\u7ec4\u4ef6\u7684\u4f7f\u7528\u8bf4\u660e\u548c\u6280\u672f\u8981\u70b9\u3002 <\/p>\n<h2> 5. WebSocket\u534f\u8bae\u96c6\u6210\u4e0e\u5b9e\u65f6\u5728\u7ebf\u804a\u5929\u529f\u80fd <\/h2>\n<h3> 5.1 WebSocket\u534f\u8bae\u89e3\u6790\u4e0e\u96c6\u6210 <\/h3>\n<h4> 5.1.1 WebSocket\u534f\u8bae\u7684\u57fa\u672c\u539f\u7406 <\/h4>\n<p> WebSocket\u534f\u8bae\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u5355\u4e2aTCP\u8fde\u63a5\u4e0a\u8fdb\u884c\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u65b9\u5f0f&#xff0c;\u5b83\u5141\u8bb8\u670d\u52a1\u5668\u4e3b\u52a8\u5411\u5ba2\u6237\u7aef\u63a8\u9001\u6d88\u606f\u3002\u8fd9\u662f\u901a\u8fc7\u5728HTTP\u4e0a\u5efa\u7acb\u4e00\u4e2a\u6301\u4e45\u7684\u8fde\u63a5&#xff0c;\u5e76\u4e14\u5347\u7ea7\u8be5\u8fde\u63a5\u5230\u5168\u53cc\u5de5\u901a\u4fe1\u6765\u5b9e\u73b0\u7684\u3002WebSocket\u63e1\u624b\u4f7f\u7528HTTP\u8bf7\u6c42\/\u54cd\u5e94\u6846\u67b6\u8fdb\u884c&#xff0c;\u5e76\u4e14\u5728\u63e1\u624b\u4e4b\u540e&#xff0c;\u6570\u636e\u4f20\u8f93\u4ee5\u5e27\u7684\u5f62\u5f0f\u901a\u8fc7TCP\u8fde\u63a5\u8fdb\u884c\u3002 <\/p>\n<h4> 5.1.2 WebSocket\u4e0eHTTP\u7684\u5bf9\u6bd4 <\/h4>\n<p> HTTP\u534f\u8bae\u662f\u65e0\u72b6\u6001\u7684\u3001\u8bf7\u6c42-\u54cd\u5e94\u6a21\u5f0f\u7684\u534f\u8bae&#xff0c;\u8fd9\u610f\u5473\u7740\u670d\u52a1\u5668\u5fc5\u987b\u7b49\u5f85\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u3002\u800cWebSocket\u63d0\u4f9b\u4e86\u4e00\u79cd\u4fdd\u6301\u8fde\u63a5\u5f00\u653e\u7684\u65b9\u5f0f&#xff0c;\u5141\u8bb8\u670d\u52a1\u5668\u5728\u6ca1\u6709\u8bf7\u6c42\u7684\u60c5\u51b5\u4e0b\u53d1\u9001\u6570\u636e\u3002WebSocket\u80fd\u591f\u63d0\u4f9b\u66f4\u4f4e\u5ef6\u8fdf\u548c\u66f4\u9ad8\u6548\u7387\u7684\u901a\u4fe1&#xff0c;\u7279\u522b\u662f\u5bf9\u4e8e\u5b9e\u65f6\u5e94\u7528\u6765\u8bf4\u662f\u5de8\u5927\u7684\u4f18\u52bf\u3002 <\/p>\n<h4> 5.1.3 Delphi\u4e2dWebSocket\u7684\u5b9e\u73b0 <\/h4>\n<p> \u5728Delphi\u4e2d\u5b9e\u73b0WebSocket\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93\u6765\u5b8c\u6210\u3002\u6bd4\u5982\u4f7f\u7528Indy\u7ec4\u4ef6\u6216Synopse mORMot\u6846\u67b6\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86WebSocket\u534f\u8bae\u7684\u5b8c\u6574\u5b9e\u73b0&#xff0c;\u5305\u62ec\u63e1\u624b\u548c\u5e27\u5904\u7406\u903b\u8f91\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684WebSocket\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u7684\u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p>\/\/ Delphi WebSocket \u5ba2\u6237\u7aef\u793a\u4f8b\u4ee3\u7801<br \/>\nuses<br \/>\n  &#8230;, Websocket, WebSockets;<\/p>\n<p>function TForm1.WebSocket1TextMessage(const Msg: string): Boolean;<br \/>\nbegin<br \/>\n  \/\/ \u5904\u7406\u4ece\u670d\u52a1\u5668\u63a5\u6536\u5230\u7684\u6587\u672c\u6d88\u606f<br \/>\n  Memo1.Lines.Add(&#039;Received message: &#039; &#043; Msg);<br \/>\nend;<\/p>\n<p>procedure TForm1.Button1Click(Sender: TObject);<br \/>\nbegin<br \/>\n  \/\/ \u8fde\u63a5\u5230\u670d\u52a1\u5668<br \/>\n  WebSocket1.Connect(&#039;ws:\/\/127.0.0.1:8080&#039;);<br \/>\nend;<\/p>\n<p> \u670d\u52a1\u5668\u7aef\u9700\u8981\u5904\u7406\u8fde\u63a5\u7684\u5efa\u7acb\u3001\u6570\u636e\u5e27\u7684\u63a5\u6536\u548c\u53d1\u9001\u7b49\u3002 <\/p>\n<p>\/\/ Delphi WebSocket \u670d\u52a1\u5668\u7aef\u793a\u4f8b\u4ee3\u7801<br \/>\nuses<br \/>\n  &#8230;, WebSockets, WebServer;<\/p>\n<p>procedure TWebModule1.WSChatWebSocketConnect(Sender: TObject);<br \/>\nbegin<br \/>\n  \/\/ \u65b0\u8fde\u63a5\u5efa\u7acb\u65f6\u7684\u64cd\u4f5c<br \/>\nend;<\/p>\n<p>procedure TWebModule1.WSChatWebSocketDataAvailable(Sender: TObject);<br \/>\nvar<br \/>\n  Msg: string;<br \/>\nbegin<br \/>\n  \/\/ \u63a5\u6536\u5230\u6570\u636e\u65f6\u7684\u64cd\u4f5c<br \/>\n  Msg :&#061; WebSocket.Text;<br \/>\n  \/\/ \u5904\u7406\u6d88\u606f<br \/>\nend;<\/p>\n<p>procedure TWebModule1.WSChatWebSocketDisconnect(Sender: TObject);<br \/>\nbegin<br \/>\n  \/\/ \u8fde\u63a5\u65ad\u5f00\u65f6\u7684\u64cd\u4f5c<br \/>\nend;<\/p>\n<h3> 5.2 \u5b9e\u73b0\u5b9e\u65f6\u5728\u7ebf\u804a\u5929\u529f\u80fd <\/h3>\n<h4> 5.2.1 \u804a\u5929\u5ba4\u6a21\u578b\u8bbe\u8ba1 <\/h4>\n<p> \u804a\u5929\u5ba4\u6a21\u578b\u9700\u8981\u5b9a\u4e49\u6d88\u606f\u7c7b\u578b\u3001\u7528\u6237\u72b6\u6001\u548c\u6d88\u606f\u5b58\u50a8\u3002\u6d88\u606f\u7c7b\u578b\u53ef\u4ee5\u662f\u6587\u672c\u6d88\u606f\u3001\u56fe\u7247\u6d88\u606f\u6216\u7528\u6237\u72b6\u6001\u66f4\u65b0\u3002\u7528\u6237\u72b6\u6001\u5305\u62ec\u5728\u7ebf\u3001\u79bb\u7ebf\u4ee5\u53ca\u7528\u6237\u4fe1\u606f\u3002\u6d88\u606f\u5b58\u50a8\u5219\u7528\u4e8e\u4fdd\u5b58\u5386\u53f2\u6d88\u606f&#xff0c;\u4ee5\u4fbf\u65b0\u7528\u6237\u52a0\u5165\u804a\u5929\u5ba4\u65f6\u53ef\u4ee5\u67e5\u770b\u5230\u4e4b\u524d\u7684\u5bf9\u8bdd\u8bb0\u5f55\u3002 <\/p>\n<h4> 5.2.2 \u6d88\u606f\u4f20\u8f93\u4e0e\u7528\u6237\u4ea4\u4e92 <\/h4>\n<p> \u6d88\u606f\u4f20\u8f93\u4f7f\u7528WebSocket\u7684\u6570\u636e\u5e27\u53d1\u9001\u6d88\u606f\u3002\u7528\u6237\u4ea4\u4e92\u9700\u8981\u4e00\u4e2a\u7b80\u6d01\u7684UI\u754c\u9762&#xff0c;\u8ba9\u7528\u6237\u80fd\u591f\u770b\u5230\u5b9e\u65f6\u804a\u5929\u6d88\u606f\u5e76\u53d1\u9001\u6d88\u606f\u3002\u5728Delphi\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528TWebsocketClient\u7ec4\u4ef6\u6765\u76d1\u542c\u548c\u53d1\u9001\u6d88\u606f\u3002 <\/p>\n<h4> 5.2.3 \u7f51\u7edc\u5ef6\u8fdf\u4e0e\u6d41\u91cf\u63a7\u5236 <\/h4>\n<p> \u7f51\u7edc\u5ef6\u8fdf\u548c\u6d41\u91cf\u63a7\u5236\u662f\u5b9e\u65f6\u901a\u4fe1\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u95ee\u9898\u3002WebSocket\u534f\u8bae\u672c\u8eab\u6ca1\u6709\u5185\u5efa\u7684\u6d41\u91cf\u63a7\u5236\u673a\u5236&#xff0c;\u56e0\u6b64\u9700\u8981\u5728\u5e94\u7528\u5c42\u5b9e\u73b0\u3002\u53ef\u4ee5\u4f7f\u7528\u6ed1\u52a8\u7a97\u53e3\u7b97\u6cd5\u6765\u63a7\u5236\u6570\u636e\u7684\u53d1\u9001\u901f\u7387&#xff0c;\u4ee5\u51cf\u5c11\u7f51\u7edc\u62e5\u5835\u548c\u5ef6\u8fdf\u3002\u6b64\u5916&#xff0c;\u8fd8\u53ef\u4ee5\u901a\u8fc7\u538b\u7f29\u6d88\u606f\u5185\u5bb9\u3001\u4f18\u5316\u6d88\u606f\u683c\u5f0f\u6765\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u3002 <\/p>\n<p> \u5728Delphi\u4e2d\u5b9e\u73b0\u6d41\u91cf\u63a7\u5236&#xff0c;\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u4f2a\u4ee3\u7801&#xff1a; <\/p>\n<p>var<br \/>\n  SendWindow: Cardinal &#061; 0; \/\/ \u53d1\u9001\u7a97\u53e3\u5927\u5c0f<br \/>\n  ReceivedWindow: Cardinal &#061; 0; \/\/ \u63a5\u6536\u7a97\u53e3\u5927\u5c0f<\/p>\n<p>procedure SendData(Data: string);<br \/>\nvar<br \/>\n  DataSize: Cardinal;<br \/>\nbegin<br \/>\n  \/\/ \u8ba1\u7b97\u5f85\u53d1\u9001\u6570\u636e\u7684\u5927\u5c0f<br \/>\n  DataSize :&#061; Length(Data);<br \/>\n  \/\/ \u68c0\u67e5\u53d1\u9001\u7a97\u53e3\u662f\u5426\u5141\u8bb8\u53d1\u9001\u6570\u636e<br \/>\n  if DataSize &lt;&#061; SendWindow then<br \/>\n  begin<br \/>\n    WebSocket.Send(Data); \/\/ \u53d1\u9001\u6570\u636e<br \/>\n    \/\/ \u66f4\u65b0\u53d1\u9001\u7a97\u53e3<br \/>\n    SendWindow :&#061; SendWindow &#8211; DataSize;<br \/>\n    \/\/ \u540c\u6b65\u66f4\u65b0\u63a5\u6536\u7a97\u53e3<br \/>\n    UpdateReceiveWindow(DataSize);<br \/>\n  end;<br \/>\nend;<\/p>\n<p>procedure UpdateReceiveWindow(DataSize: Cardinal);<br \/>\nbegin<br \/>\n  ReceivedWindow :&#061; ReceivedWindow &#043; DataSize;<br \/>\n  \/\/ \u5982\u679c\u7a97\u53e3\u8fc7\u5927&#xff0c;\u53ef\u4ee5\u51cf\u5c0f\u4ee5\u907f\u514d\u7f13\u51b2\u533a\u6ea2\u51fa<br \/>\n  if ReceivedWindow &gt; MaxWindow then<br \/>\n    ReceivedWindow :&#061; MaxWindow;<br \/>\nend;<\/p>\n<p> \u5728\u6b64\u4ee3\u7801\u4e2d&#xff0c;  SendWindow  \u63a7\u5236\u53d1\u9001\u7a97\u53e3\u7684\u5927\u5c0f&#xff0c;\u800c  ReceivedWindow  \u63a7\u5236\u63a5\u6536\u7a97\u53e3\u7684\u5927\u5c0f\u3002\u5f53\u53d1\u9001\u6570\u636e\u65f6&#xff0c;\u53d1\u9001\u7a97\u53e3\u5c06\u76f8\u5e94\u51cf\u5c0f&#xff0c;\u540c\u65f6\u589e\u52a0\u63a5\u6536\u7a97\u53e3\u3002\u5f53\u63a5\u6536\u7a97\u53e3\u8d85\u8fc7\u67d0\u4e2a\u9608\u503c\u65f6&#xff0c;\u53ef\u4ee5\u9002\u5f53\u51cf\u5c0f&#xff0c;\u4ee5\u907f\u514d\u5185\u5b58\u6ea2\u51fa\u3002 <\/p>\n<h2> 6. \u7ec4\u4ef6\u4f7f\u7528\u3001\u6280\u672f\u8981\u70b9\u4e0e\u793a\u4f8b\u4ee3\u7801 <\/h2>\n<h3> 6.1 Delphi IOCP\u7ec4\u4ef6\u7684\u4f7f\u7528\u8bf4\u660e <\/h3>\n<p> Delphi\u7684IOCP\u7ec4\u4ef6\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u7684\u624b\u6bb5\u3002\u7406\u89e3\u7ec4\u4ef6\u7684\u4f7f\u7528&#xff0c;\u53ef\u4ee5\u8ba9\u5f00\u53d1\u8005\u66f4\u6709\u6548\u5730\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u7f51\u7edc\u5e94\u7528\u3002 <\/p>\n<h4> 6.1.1 \u7ec4\u4ef6\u5b89\u88c5\u4e0e\u914d\u7f6e <\/h4>\n<p> \u7ec4\u4ef6\u7684\u5b89\u88c5\u4e0e\u914d\u7f6e\u662f\u4f7f\u7528Delphi IOCP\u7ec4\u4ef6\u7684\u57fa\u7840\u6b65\u9aa4\u3002\u901a\u5e38\u60c5\u51b5\u4e0b&#xff0c;\u7ec4\u4ef6\u53ef\u4ee5\u4f5c\u4e3a\u7b2c\u4e09\u65b9\u5e93\u6216\u8005\u6846\u67b6\u7684\u4e00\u90e8\u5206\u8fdb\u884c\u5b89\u88c5\u3002\u5728IDE\u4e2d&#xff0c;\u4f60\u53ef\u4ee5\u901a\u8fc7\u7ec4\u4ef6\u9762\u677f\u76f4\u63a5\u6dfb\u52a0\u5230\u9879\u76ee\u4e2d&#xff0c;\u6216\u8005\u901a\u8fc7\u5305\u7ba1\u7406\u5668\u8fdb\u884c\u5b89\u88c5\u3002 <\/p>\n<p> \u4ee5\u7b2c\u4e09\u65b9\u5e93\u4e3a\u4f8b&#xff0c;\u901a\u5e38\u6b65\u9aa4\u5982\u4e0b&#xff1a; <\/p>\n<li> \u4e0b\u8f7dIOCP\u7ec4\u4ef6\u5e93\u3002 <\/li>\n<li> \u5728Delphi\u4e2d\u6253\u5f00\u9879\u76ee\u3002 <\/li>\n<li> \u9009\u62e9  Component | Install Component&#8230;  \u4eceIDE\u83dc\u5355\u4e2d\u8fdb\u884c\u7ec4\u4ef6\u7684\u5b89\u88c5\u3002 <\/li>\n<li> \u9009\u62e9  Into the current project  \u786e\u8ba4\u53ea\u5b89\u88c5\u5230\u5f53\u524d\u9879\u76ee\u3002 <\/li>\n<li> \u9009\u62e9  Browse&#8230;  &#xff0c;\u7136\u540e\u9009\u62e9\u4e0b\u8f7d\u597d\u7684\u5e93\u6587\u4ef6\u3002 <\/li>\n<li> \u786e\u8ba4\u5b89\u88c5\u5e76\u91cd\u542fIDE\u3002 <\/li>\n<p> \u914d\u7f6e\u65b9\u9762&#xff0c;\u4f60\u9700\u8981\u68c0\u67e5\u7ec4\u4ef6\u7684\u5c5e\u6027\u8bbe\u7f6e&#xff0c;\u786e\u4fdd\u8fd0\u884c\u65f6\u53c2\u6570\u6b63\u786e\u3002 <\/p>\n<h4> 6.1.2 \u7ec4\u4ef6\u5c5e\u6027\u4e0e\u4e8b\u4ef6\u65b9\u6cd5 <\/h4>\n<p> IOCP\u7ec4\u4ef6\u901a\u5e38\u4f1a\u6709\u5f88\u591a\u5c5e\u6027\u548c\u4e8b\u4ef6\u4f9b\u5f00\u53d1\u8005\u914d\u7f6e\u548c\u54cd\u5e94\u3002\u4e86\u89e3\u8fd9\u4e9b\u5c5e\u6027\u548c\u4e8b\u4ef6&#xff0c;\u662f\u638c\u63e1\u7ec4\u4ef6\u4f7f\u7528\u7684\u5173\u952e\u3002 <\/p>\n<li>  \u5c5e\u6027  : \u7528\u4e8e\u914d\u7f6e\u7ec4\u4ef6\u7684\u884c\u4e3a&#xff0c;\u5982\u7f13\u51b2\u5927\u5c0f\u3001\u7ebf\u7a0b\u6570\u91cf\u3001\u8d85\u65f6\u8bbe\u7f6e\u7b49\u3002 <\/li>\n<li>  \u4e8b\u4ef6  : \u7528\u4e8e\u5904\u7406\u7279\u5b9a\u7684\u7f51\u7edc\u4e8b\u4ef6&#xff0c;\u5982\u8fde\u63a5\u5efa\u7acb\u3001\u6570\u636e\u63a5\u6536\u3001\u5f02\u5e38\u53d1\u751f\u7b49\u3002 <\/li>\n<p> \u4f7f\u7528\u7ec4\u4ef6\u65f6&#xff0c;\u4f60\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8bbe\u7f6e\u5c5e\u6027&#xff0c;\u5e76\u4e3a\u76f8\u5173\u4e8b\u4ef6\u7f16\u5199\u5904\u7406\u903b\u8f91\u3002 <\/p>\n<p>\/\/ \u793a\u4f8b\u4ee3\u7801\u6bb5&#xff1a;\u7ec4\u4ef6\u914d\u7f6e\u4e0e\u4e8b\u4ef6\u6ce8\u518c<br \/>\nIOCPComponent.BufferSize :&#061; 1024;<br \/>\nIOCPComponent.ThreadCount :&#061; 5;<\/p>\n<p>IOCPComponent.OnConnect :&#061; DoConnect;<br \/>\nIOCPComponent.OnReceive :&#061; DoReceive;<br \/>\nIOCPComponent.OnDisconnect :&#061; DoDisconnect;<\/p>\n<h3> 6.2 \u6280\u672f\u8981\u70b9\u6df1\u5165\u5256\u6790 <\/h3>\n<p> \u6df1\u5165\u7406\u89e3Delphi IOCP\u6280\u672f\u7684\u5173\u952e\u8981\u70b9&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u907f\u514d\u5e38\u89c1\u7684\u5f00\u53d1\u9677\u9631\u5e76\u4f18\u5316\u5e94\u7528\u6027\u80fd\u3002 <\/p>\n<h4> 6.2.1 \u5185\u5b58\u7ba1\u7406\u4e0e\u8d44\u6e90\u56de\u6536 <\/h4>\n<p> \u5728\u9ad8\u5e76\u53d1\u7f51\u7edc\u5e94\u7528\u4e2d&#xff0c;\u5408\u7406\u7ba1\u7406\u5185\u5b58\u548c\u8d44\u6e90\u81f3\u5173\u91cd\u8981\u3002IOCP\u7ec4\u4ef6\u80fd\u591f\u5e2e\u52a9\u7ba1\u7406\u8fde\u63a5\u548c\u8bf7\u6c42&#xff0c;\u4f46\u5f00\u53d1\u8005\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9&#xff1a; <\/p>\n<li>  \u8d44\u6e90\u9884\u5206\u914d  : \u5728\u53ef\u80fd\u7684\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\u9884\u5206\u914d\u8d44\u6e90&#xff0c;\u51cf\u5c11\u8fd0\u884c\u65f6\u7684\u52a8\u6001\u5206\u914d\u5f00\u9500\u3002 <\/li>\n<li>  \u8fde\u63a5\u6c60\u5316  : \u4f7f\u7528\u8fde\u63a5\u6c60\u53ef\u4ee5\u51cf\u5c11\u8fde\u63a5\u7684\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1&#xff0c;\u63d0\u9ad8\u6027\u80fd\u3002 <\/li>\n<li>  \u5185\u5b58\u6cc4\u9732\u68c0\u6d4b  : \u5229\u7528\u5de5\u5177\u5b9a\u671f\u68c0\u6d4b\u548c\u4fee\u590d\u5185\u5b58\u6cc4\u9732\u95ee\u9898\u3002 <\/li>\n<h4> 6.2.2 \u591a\u7ebf\u7a0b\u540c\u6b65\u4e0e\u5e76\u53d1\u63a7\u5236 <\/h4>\n<p> \u591a\u7ebf\u7a0b\u662fDelphi IOCP\u7684\u663e\u8457\u7279\u70b9\u4e4b\u4e00&#xff0c;\u4f46\u4e0d\u5f53\u7684\u7ebf\u7a0b\u540c\u6b65\u548c\u5e76\u53d1\u63a7\u5236\u4f1a\u5e26\u6765\u6570\u636e\u4e0d\u4e00\u81f4\u548c\u7ade\u6001\u6761\u4ef6\u7b49\u95ee\u9898\u3002 <\/p>\n<li>  \u7ebf\u7a0b\u5b89\u5168  : \u786e\u4fdd\u5171\u4eab\u8d44\u6e90\u8bbf\u95ee\u65f6\u7684\u7ebf\u7a0b\u5b89\u5168&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4e92\u65a5\u9501\u6216\u4fe1\u53f7\u91cf\u7b49\u540c\u6b65\u673a\u5236\u3002 <\/li>\n<li>  \u9501\u7c92\u5ea6  : \u9501\u7684\u7c92\u5ea6\u51b3\u5b9a\u4e86\u6027\u80fd\u548c\u5b89\u5168\u6027\u4e4b\u95f4\u7684\u5e73\u8861&#xff0c;\u5e94\u8be5\u5c3d\u91cf\u51cf\u5c0f\u9501\u7684\u7c92\u5ea6\u3002 <\/li>\n<li>  \u907f\u514d\u6b7b\u9501  : \u5408\u7406\u8bbe\u8ba1\u9501\u7684\u83b7\u53d6\u987a\u5e8f\u548c\u52a0\u9501\u65f6\u95f4&#xff0c;\u4ee5\u907f\u514d\u6b7b\u9501\u7684\u53d1\u751f\u3002 <\/li>\n<h3> 6.3 \u5b66\u4e60\u8d44\u6e90\u4e0e\u793a\u4f8b\u4ee3\u7801 <\/h3>\n<p> \u5b66\u4e60IOCP\u670d\u52a1\u5668\u7684\u5f00\u53d1\u6d89\u53ca\u8bb8\u591a\u6280\u672f\u7ec6\u8282&#xff0c;\u56e0\u6b64\u9700\u8981\u5408\u9002\u7684\u8d44\u6e90\u548c\u793a\u4f8b\u4ee3\u7801\u6765\u52a0\u901f\u5b66\u4e60\u8fc7\u7a0b\u3002 <\/p>\n<h4> 6.3.1 \u5b66\u4e60IOCP\u670d\u52a1\u5668\u7684\u6b65\u9aa4\u4e0e\u6280\u5de7 <\/h4>\n<p> \u5b66\u4e60IOCP\u670d\u52a1\u5668\u5f00\u53d1\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4&#xff1a; <\/p>\n<li>  \u4e86\u89e3\u57fa\u7840\u77e5\u8bc6  : \u5b66\u4e60\u7f51\u7edc\u7f16\u7a0b\u3001\u591a\u7ebf\u7a0b\u3001\u540c\u6b65\u548c\u5185\u5b58\u7ba1\u7406\u7b49\u57fa\u7840\u77e5\u8bc6\u3002 <\/li>\n<li>  \u9605\u8bfb\u6587\u6863\u548c\u6e90\u7801  : \u9605\u8bfbDelphi IOCP\u7ec4\u4ef6\u6587\u6863&#xff0c;\u4e86\u89e3\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u539f\u7406\u3002 <\/li>\n<li>  \u5b9e\u9645\u64cd\u4f5c  : \u901a\u8fc7\u7f16\u5199\u7b80\u5355\u7684\u793a\u4f8b\u7a0b\u5e8f\u6765\u5b9e\u8df5\u3002 <\/li>\n<li>  \u8fdb\u9636\u5b66\u4e60  : \u9010\u6b65\u6df1\u5165\u5230\u7ec4\u4ef6\u7684\u6838\u5fc3\u5b9e\u73b0\u548c\u6027\u80fd\u4f18\u5316\u3002 <\/li>\n<li>  \u53c2\u8003\u4e66\u7c4d\u548c\u793e\u533a  : \u53c2\u8003\u6743\u5a01\u4e66\u7c4d&#xff0c;\u52a0\u5165\u4e13\u4e1a\u793e\u533a&#xff0c;\u4e0e\u4ed6\u4eba\u4ea4\u6d41\u7ecf\u9a8c\u3002 <\/li>\n<h4> 6.3.2 \u793a\u4f8b\u4ee3\u7801\u5206\u6790\u4e0e\u5e94\u7528 <\/h4>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Delphi IOCP\u7ec4\u4ef6\u4f7f\u7528\u793a\u4f8b&#xff0c;\u7528\u4e8e\u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u548c\u6d88\u606f\u63a5\u6536\u3002 <\/p>\n<p>\/\/ \u793a\u4f8b\u4ee3\u7801\u6bb5&#xff1a;IOCP\u7ec4\u4ef6\u4e8b\u4ef6\u5904\u7406\u793a\u4f8b<br \/>\nprocedure TMainForm.DoConnect(Sender: TObject; AConnection: TCustomIOCPConnection);<br \/>\nbegin<br \/>\n  AConnection.OnReceiveData :&#061; HandleReceiveData;<br \/>\nend;<\/p>\n<p>procedure TMainForm.HandleReceiveData(Sender: TObject; AData: TBytes);<br \/>\nbegin<br \/>\n  \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e<br \/>\nend;<\/p>\n<p>procedure TMainForm.DoDisconnect(Sender: TObject; AConnection: TCustomIOCPConnection);<br \/>\nbegin<br \/>\n  \/\/ \u5904\u7406\u8fde\u63a5\u65ad\u5f00\u4e8b\u4ef6<br \/>\nend;<\/p>\n<p> \u4ee5\u4e0a\u7ae0\u8282\u5185\u5bb9\u8be6\u7ec6\u89e3\u6790\u4e86Delphi IOCP\u7ec4\u4ef6\u7684\u4f7f\u7528\u8bf4\u660e&#xff0c;\u6280\u672f\u8981\u70b9\u7684\u6df1\u5165\u5256\u6790&#xff0c;\u5e76\u63d0\u4f9b\u4e86\u5b66\u4e60\u8d44\u6e90\u548c\u793a\u4f8b\u4ee3\u7801\u3002\u901a\u8fc7\u5b9e\u9645\u7684\u6b65\u9aa4\u548c\u6280\u5de7&#xff0c;\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u5e76\u6784\u5efa\u51fa\u9ad8\u6548\u7684IOCP\u670d\u52a1\u5668\u5e94\u7528\u3002 <\/p>\n<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250609233112-68476ec06ad8d.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u672c\u8d44\u6e90\u5305\u542b\u4e86\u4f7f\u7528Delphi\u8bed\u8a00\u7f16\u5199\u7684\u57fa\u4e8eI\/O\u5b8c\u6210\u7aef\u53e3&#xff08;IOCP&#xff09;\u6280\u672f\u7684\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u6e90\u7801\u3002IOCP\u662f\u4e00\u79cd\u9ad8\u6548\u7684I\/O\u6a21\u578b&#xff0c;\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8fde\u63a5\u7684\u573a\u666f\u3002\u63d0\u4f9b\u7684\u670d\u52a1\u5668\u7aef\u6e90\u7801\u652f\u6301C\/S\u548cB\/S\u6a21\u5f0f&#xff0c;\u5e76\u96c6\u6210WebSocket\u534f\u8bae&#xff0c;\u80fd\u591f\u5904\u7406HTTP\u8bf7\u6c42\u548c\u5b9e\u65f6\u901a\u4fe1\u3002\u670d\u52a1\u5668\u5177\u5907\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u3001\u6570\u636e\u5e93\u8fde\u63a5\u548c\u5b9e\u65f6\u5728\u7ebf\u804a\u5929\u529f\u80fd&#xff0c;\u8fd9\u4e9b\u90fd\u5c55\u73b0\u4e86IOCP\u5728\u9ad8\u6548\u5e76\u53d1\u5904\u7406\u65b9\u9762\u7684\u4f18\u52bf\u3002\u538b\u7f29\u5305\u8fd8\u5305\u542b\u4e86\u7ec4\u4ef6\u4f7f\u7528\u6307\u5357\u3001\u6280\u672f\u8981\u70b9\u8bf4\u660e\u3001\u76ee\u5f55\u7ed3\u6784\u6587\u6863\u4ee5\u53ca\u793a\u4f8b\u4ee3\u7801&#xff0c;\u4e3a\u5b66\u4e60\u548c\u5f00\u53d1\u9ad8\u6027\u80fd\u7f51\u7edc\u5e94\u7528\u63d0\u4f9b\u4e86\u5b9d\u8d35\u7684\u8d44\u6e90\u3002 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