{"id":66361,"date":"2026-01-26T18:49:15","date_gmt":"2026-01-26T10:49:15","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/66361.html"},"modified":"2026-01-26T18:49:15","modified_gmt":"2026-01-26T10:49:15","slug":"c%e9%9b%86%e7%be%a4%e8%81%8a%e5%a4%a9%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%884%ef%bc%89-%e7%bd%91%e7%bb%9c%e6%a8%a1%e5%9d%97%e4%b8%8e%e4%b8%9a%e5%8a%a1%e6%a8%a1%e5%9d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/66361.html","title":{"rendered":"C++\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668\uff084\uff09\u2014\u2014\u7f51\u7edc\u6a21\u5757\u4e0e\u4e1a\u52a1\u6a21\u5757"},"content":{"rendered":"<h3>\u524d\u8a00<\/h3>\n<p>\u9996\u5148\u6211\u5bf9\u4e4b\u524d\u7684\u76ee\u5f55\u505a\u4e86\u4e00\u4e9b\u4f18\u5316&#xff0c;\u6309\u7167\u6807\u51c6\u5f00\u6e90\u4ee3\u7801\u7684\u5f62\u5f0f&#xff08;\u8fd9\u4e2a\u6211\u5728C&#043;&#043;\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668&#xff08;2&#xff09;\u4e2d\u8bb2\u89e3\u8fc7&#xff09;\u8fdb\u884c\u4e86\u6539\u5584&#xff1a;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260126104914-697746aa540e0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u63a5\u4e0b\u6765\u5f00\u59cb\u8bb2\u89e3\u8fd9\u4e9b\u6587\u4ef6\u4e2d\u7684\u4ee3\u7801\u4ee5\u53ca\u4ed6\u4eec\u4e4b\u95f4\u7684\u8054\u7cfb\u3002<\/p>\n<h3>\u4e00\u3001\u6309\u6a21\u5757\u5206\u5f00\u6765\u8bb2\u89e3<\/h3>\n<p>\u8fd9\u6b21\u4e3b\u8981\u5b9e\u73b0\u4e86\u8fd9\u516d\u4e2a\u6587\u4ef6\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p>chatserver.h &#043; chatserver.cpp \u2192 \u7f51\u7edc\u6a21\u5757&#xff08;\u8d1f\u8d23\u5e95\u5c42\u7f51\u7edc IO&#xff09;<br \/>\nchatservice.h &#043; chatservice.cpp \u2192 \u4e1a\u52a1\u6a21\u5757&#xff08;\u8d1f\u8d23\u5177\u4f53\u804a\u5929\u4e1a\u52a1\u903b\u8f91&#xff09;<br \/>\npublic.h \u2192 \u516c\u5171\u534f\u8bae\u6587\u4ef6&#xff08;server \u548c client \u5171\u4eab\u7684\u6d88\u606f\u7c7b\u578b\u5b9a\u4e49&#xff09;<br \/>\nmain.cpp \u2192 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2&#xff08;\u6ce8\u518c&#xff09;\u3002<\/li>\n<li>\u8fd9\u662f\u4e00\u4e2aserver \u548c client \u5171\u7528\u7684\u5934\u6587\u4ef6&#xff0c;\u786e\u4fdd\u53cc\u65b9\u5bf9\u6d88\u606f ID \u7684\u7406\u89e3\u4e00\u81f4\u3002<\/li>\n<li>\u5b9e\u9645\u9879\u76ee\u4e2d\u4f1a\u6269\u5c55\u66f4\u591a\u7c7b\u578b&#xff08;\u5982\u4e00\u5bf9\u4e00\u804a\u5929\u3001\u7fa4\u804a\u3001\u6dfb\u52a0\u597d\u53cb\u7b49&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u90a3\u6211\u4eec\u4e3a\u4ec0\u4e48\u9700\u8981\u8bbe\u8ba1\u8fd9\u4e2a\u516c\u5171\u6587\u4ef6&#xff1a;<br \/>\n\u5b83\u662f\u6574\u4e2a\u6d88\u606f\u7cfb\u7edf\u7684\u201c\u534f\u8bae\u89c4\u8303\u201d&#xff0c;\u5ba2\u6237\u7aef\u53d1\u9001 JSON \u65f6\u5fc5\u987b\u5e26 \u201cmsgid\u201d \u5b57\u6bb5&#xff0c;\u670d\u52a1\u7aef\u636e\u6b64\u8bc6\u522b\u4e1a\u52a1\u7c7b\u578b\u3002<\/p>\n<p>public.h\u7684\u4ee3\u7801\u975e\u5e38\u7b80\u6d01&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">PUBLIC_H<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">PUBLIC_H<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/*<br \/>\nserver\u548cclient\u7684\u516c\u5171\u6587\u4ef6<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">EnMsgType<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LOGIN_MSG <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/\u767b\u5f55\u6d88\u606f<\/span><br \/>\n    REG_MSG  <span class=\"token comment\">\/\/\u6ce8\u518c\u6d88\u606f<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<h4>2. chatserver.h &#043; chatserver.cpp \u2014\u2014 \u7f51\u7edc\u6a21\u5757<\/h4>\n<p>\u6211\u4eec\u5148\u5206\u522b\u6765\u770b\u770b\u8fd9\u4e24\u4e2a\u6587\u4ef6\u7684\u4f5c\u7528&#xff1a;<\/p>\n<p>1.chatServer.h\u7684\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u58f0\u660e\u804a\u5929\u670d\u52a1\u5668\u4e3b\u7c7b\u3002<\/li>\n<li>\u6210\u5458&#xff1a;muduo \u7684 TcpServer \u548c EventLoop*&#xff1b;<\/li>\n<li>\u63a5\u53e3&#xff1a;\u6784\u9020\u51fd\u6570\u3001start()&#xff1b;<\/li>\n<li>\u56de\u8c03&#xff1a;onConnection&#xff08;\u8fde\u63a5\u5efa\u7acb\/\u65ad\u5f00&#xff09;\u3001onMessage&#xff08;\u6536\u5230\u6d88\u606f&#xff09;\u3002<\/li>\n<\/ul>\n<p>2.chatserver.cpp\u7684\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u5b9e\u73b0\u6784\u9020\u51fd\u6570&#xff1a;\u7ed1\u5b9a muduo \u7684\u8fde\u63a5\/\u6d88\u606f\u56de\u8c03&#xff0c;\u8bbe\u7f6e IO \u7ebf\u7a0b\u6570&#xff1b;<\/li>\n<li>start()&#xff1a;\u542f\u52a8 TcpServer \u5f00\u59cb\u76d1\u542c&#xff1b;<\/li>\n<li>onConnection&#xff1a;\u5f53\u524d\u53ea\u5904\u7406\u5ba2\u6237\u7aef\u65ad\u5f00&#xff08;\u8c03\u7528 shutdown&#xff09;&#xff1b;<\/li>\n<li>onMessage&#xff1a;\u7f51\u7edc\u6a21\u5757\u7684\u6838\u5fc3\u903b\u8f91&#xff1a;<br \/>\n1.\u4ece Buffer \u53d6\u51fa\u539f\u59cb\u5b57\u7b26\u4e32\u3002<br \/>\n2.\u7528 nlohmann::json \u89e3\u6790\u6210 JSON \u5bf9\u8c61\u3002<br \/>\n3.\u53d6\u51fa js[\u201cmsgid\u201d]&#xff0c;\u8c03\u7528 ChatService::instance()-&gt;getHandler(msgid) \u83b7\u53d6\u4e1a\u52a1\u5904\u7406\u5668\u3002<br \/>\n4.\u6267\u884c\u5904\u7406\u5668&#xff1a;msgHandler(conn, js, time)\u3002<\/li>\n<\/ul>\n<p>\u4ed6\u4eec\u53ea\u8d1f\u8d23\u5e95\u5c42 TCP \u8fde\u63a5\u7ba1\u7406\u3001IO \u4e8b\u4ef6\u5904\u7406\u3001\u6570\u636e\u521d\u6b65\u89e3\u6790&#xff08;\u8f6c JSON&#xff09;&#xff1b;\u4e0d\u5173\u5fc3\u4e1a\u52a1&#xff0c;\u4ee3\u7801\u91cc\u6ca1\u6709\u4efb\u4f55 login\/reg \u7b49\u4e1a\u52a1\u8bcd\u8bed\u3002<\/p>\n<p>ChatServer.h\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">CHATSERVER_H<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">CHATSERVER_H<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;muduo\/net\/TcpServer.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;muduo\/net\/EventLoop.h&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token double-colon punctuation\">::<\/span>net<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u804a\u5929\u670d\u52a1\u5668\u7684\u4e3b\u7c7b<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u521d\u59cb\u804a\u5929\u670d\u52a1\u5668\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">ChatServer<\/span><span class=\"token punctuation\">(<\/span>EventLoop<span class=\"token operator\">*<\/span> loop<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> InetAddress<span class=\"token operator\">&amp;<\/span> listenAddr<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> string<span class=\"token operator\">&amp;<\/span> nameArg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u542f\u52a8\u670d\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u4e0a\u62a5\u94fe\u63a5\u76f8\u5173\u4fe1\u606f\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">onConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u4e0a\u62a5\u8bfb\u5199\u4e8b\u4ef6\u76f8\u5173\u4fe1\u606f\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">onMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr<span class=\"token operator\">&amp;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                         Buffer <span class=\"token operator\">*<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                         Timestamp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    TcpServer _server<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/\u7ec4\u5408\u7684muduo\u5e93&#xff0c;\u5b9e\u73b0\u670d\u52a1\u5668\u529f\u80fd\u7684\u7c7b\u5bf9\u8c61<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/\u6307\u5411\u4e8b\u4ef6\u5faa\u73af\u5bf9\u8c61\u7684\u6307\u9488<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>chatserver.cpp\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;chatserver.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;json.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;chatservice.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;functional&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> placeholders<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> json <span class=\"token operator\">&#061;<\/span> nlohmann<span class=\"token double-colon punctuation\">::<\/span>json<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token class-name\">ChatServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ChatServer<\/span><span class=\"token punctuation\">(<\/span>EventLoop<span class=\"token operator\">*<\/span> loop<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> InetAddress<span class=\"token operator\">&amp;<\/span> listenAddr<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> string<span class=\"token operator\">&amp;<\/span> nameArg<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span><span class=\"token function\">_server<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">,<\/span>listenAddr<span class=\"token punctuation\">,<\/span>nameArg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/\u6ce8\u518c\u8fde\u63a5\u56de\u8c03<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setConnectionCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatServer<span class=\"token double-colon punctuation\">::<\/span>onConnection<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u6ce8\u518c\u6d88\u606f\u56de\u8c03<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMessageCallback<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatServer<span class=\"token double-colon punctuation\">::<\/span>onMessage<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">,<\/span>_2<span class=\"token punctuation\">,<\/span>_3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u8bbe\u7f6e\u7ebf\u7a0b\u6570\u91cf<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">setThreadNum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u542f\u52a8\u670d\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">ChatServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u4e0a\u62a5\u94fe\u63a5\u76f8\u5173\u4fe1\u606f\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">ChatServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">onConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">connected<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        conn<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">shutdown<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u4e0a\u62a5\u8bfb\u5199\u4e8b\u4ef6\u76f8\u5173\u4fe1\u606f\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">ChatServer<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">onMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span><br \/>\n                Buffer <span class=\"token operator\">*<\/span>buffer<span class=\"token punctuation\">,<\/span><br \/>\n                Timestamp time<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    string buf <span class=\"token operator\">&#061;<\/span> buffer<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">retrieveAllAsString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u6570\u636e\u7684\u53cd\u5e8f\u5217\u5316<\/span><br \/>\n    json js <span class=\"token operator\">&#061;<\/span> json<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u8fbe\u5230\u7684\u76ee\u7684&#xff1a;\u5b8c\u5168\u89e3\u8026\u7f51\u7edc\u6a21\u5757\u7684\u4ee3\u7801\u548c\u4e1a\u52a1\u6a21\u5757\u7684\u4ee3\u7801<\/span><br \/>\n    <span class=\"token comment\">\/\/\u901a\u8fc7js[&#034;msgid&#034;]\u83b7\u53d6-&gt;\u4e1a\u52a1handler-&gt;conn js time<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> msgHandler <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">ChatService<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">instance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">getHandler<\/span><span class=\"token punctuation\">(<\/span>js<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;msgid&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">get<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u56de\u8c03\u6d88\u606f\u7ed1\u5b9a\u597d\u7684\u4e8b\u4ef6\u5904\u7406\u5668&#xff0c;\u6765\u6267\u884c\u76f8\u5e94\u7684\u4e1a\u52a1\u5904\u7406<\/span><br \/>\n    <span class=\"token function\">msgHandler<\/span><span class=\"token punctuation\">(<\/span>conn<span class=\"token punctuation\">,<\/span>js<span class=\"token punctuation\">,<\/span>time<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3. chatservice.h &#043; chatservice.cpp\u2014\u2014\u4e1a\u52a1\u6a21\u5757<\/h4>\n<p>\u6211\u4eec\u4ecd\u7136\u5148\u5206\u6790\u5185\u90e8\u51fd\u6570\u7684\u4f5c\u7528&#xff1a;<\/p>\n<p>1.chatservice.h\u7684\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u58f0\u660e\u4e1a\u52a1\u4e3b\u7c7b&#xff08;\u5355\u4f8b\u6a21\u5f0f&#xff09;\u3002<\/li>\n<li>\u5b9a\u4e49 MsgHandler \u7c7b\u578b&#xff1a;\u7edf\u4e00\u7684\u4e1a\u52a1\u56de\u8c03\u51fd\u6570\u7b7e\u540d\u3002<\/li>\n<li>\u63a5\u53e3&#xff1a;instance() \u83b7\u53d6\u5355\u4f8b\u3001getHandler(int msgid) \u83b7\u53d6\u5904\u7406\u5668\u3002<\/li>\n<li>\u793a\u4f8b\u4e1a\u52a1&#xff1a;login()\u3001reg()\u3002<\/li>\n<li>\u6210\u5458&#xff1a;_msgHandlerMap&#xff08;msgid \u2192 \u5904\u7406\u51fd\u6570 \u7684 map&#xff09;\u3002<\/li>\n<\/ul>\n<p>2.chatservice.cpp\u7684\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u5355\u4f8b\u5b9e\u73b0&#xff08;\u9759\u6001\u5c40\u90e8\u53d8\u91cf&#xff0c;\u7ebf\u7a0b\u5b89\u5168&#xff09;\u3002<\/li>\n<li>\u6784\u9020\u51fd\u6570&#xff1a;\u6ce8\u518c\u4e1a\u52a1\u5904\u7406\u5668&#xff08;\u7528 std::bind \u7ed1\u5b9a login\/reg&#xff09;\u3002<\/li>\n<li>getHandler&#xff1a;\u6839\u636e msgid \u8fd4\u56de\u5bf9\u5e94\u51fd\u6570&#xff1b;\u82e5\u4e0d\u5b58\u5728&#xff0c;\u8fd4\u56de\u7a7a\u64cd\u4f5c\u5e76\u6253\u9519\u8bef\u65e5\u5fd7\u3002<\/li>\n<li>login\/reg&#xff1a;\u5f53\u524d\u53ea\u662f\u5360\u4f4d&#xff08;\u6253\u5370\u65e5\u5fd7&#xff09;&#xff0c;\u5b9e\u9645\u9879\u76ee\u4e2d\u4f1a\u67e5\u6570\u636e\u5e93\u3001\u9a8c\u8bc1\u5bc6\u7801\u3001\u7ef4\u62a4\u7528\u6237\u72b6\u6001\u7b49\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e24\u4e2a\u6587\u4ef6\u53ea\u8d1f\u8d23\u5177\u4f53\u4e1a\u52a1\u903b\u8f91&#xff1b;\u901a\u8fc7 map \u5b9e\u73b0\u6d88\u606f\u5206\u53d1&#xff1a;msgid \u2192 \u5177\u4f53\u5904\u7406\u51fd\u6570&#xff1b;\u6240\u6709\u8fde\u63a5\u5171\u4eab\u540c\u4e00\u4e2a\u5355\u4f8b\u5b9e\u4f8b&#xff0c;\u4fbf\u4e8e\u7ba1\u7406\u5168\u5c40\u72b6\u6001&#xff08;\u7528\u6237\u8868\u3001\u5728\u7ebf\u5217\u8868\u7b49&#xff09;\u3002<\/p>\n<p>chatservice.h\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">CHATSERVICE_H<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">CHATSERVICE_H<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;muduo\/net\/TcpConnection.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;unordered_map&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;functional&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;json.hpp&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token double-colon punctuation\">::<\/span>net<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">using<\/span> json <span class=\"token operator\">&#061;<\/span> nlohmann<span class=\"token double-colon punctuation\">::<\/span>json<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u8868\u793a\u5904\u7406\u6d88\u606f\u7684\u4e8b\u4ef6\u56de\u8c03\u65b9\u6cd5\u7c7b\u578b<\/span><br \/>\n<span class=\"token keyword\">using<\/span> MsgHandler <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>json <span class=\"token operator\">&amp;<\/span>js<span class=\"token punctuation\">,<\/span>Timestamp<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u804a\u5929\u670d\u52a1\u5668\u4e1a\u52a1\u7c7b<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatService<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u83b7\u53d6\u5355\u4f8b\u5bf9\u8c61\u7684\u63a5\u53e3\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> ChatService<span class=\"token operator\">*<\/span> <span class=\"token function\">instance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u5904\u7406\u767b\u5f55\u4e1a\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">login<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>json <span class=\"token operator\">&amp;<\/span>js<span class=\"token punctuation\">,<\/span>Timestamp time<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u5904\u7406\u6ce8\u518c\u4e1a\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">reg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>json <span class=\"token operator\">&amp;<\/span>js<span class=\"token punctuation\">,<\/span>Timestamp time<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u83b7\u53d6\u6d88\u606f\u5bf9\u5e94\u7684\u5904\u7406\u5668<\/span><br \/>\n    MsgHandler <span class=\"token function\">getHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> msgid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ChatService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u5b58\u50a8\u6d88\u606fid\u548c\u5176\u5bf9\u5e94\u7684\u4e1a\u52a1\u5904\u7406\u65b9\u6cd5<\/span><br \/>\n    unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span>MsgHandler<span class=\"token operator\">&gt;<\/span> _msgHandlerMap<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>chatservice.cpp\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;chatservice.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;public.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;muduo\/base\/Logging.h&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> muduo<span class=\"token punctuation\">;<\/span><\/p>\n<p>ChatService<span class=\"token operator\">*<\/span> <span class=\"token class-name\">ChatService<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">instance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> ChatService service<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&amp;<\/span>service<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u6ce8\u518c\u6d88\u606f\u4ee5\u53ca\u5bf9\u5e94\u7684Handler\u56de\u8c03\u64cd\u4f5c<\/span><br \/>\n<span class=\"token class-name\">ChatService<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">ChatService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _msgHandlerMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span>LOGIN_MSG<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatService<span class=\"token double-colon punctuation\">::<\/span>login<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">,<\/span>_2<span class=\"token punctuation\">,<\/span>_3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _msgHandlerMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span>REG_MSG<span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ChatService<span class=\"token double-colon punctuation\">::<\/span>reg<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span>_1<span class=\"token punctuation\">,<\/span>_2<span class=\"token punctuation\">,<\/span>_3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u83b7\u53d6\u6d88\u606f\u5bf9\u5e94\u7684\u5904\u7406\u5668<\/span><br \/>\nMsgHandler <span class=\"token class-name\">ChatService<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> msgid<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/\u8bb0\u5f55\u9519\u8bef\u65e5\u5fd7&#xff0c;msgid\u6ca1\u6709\u5bf9\u5e94\u7684\u4e8b\u4ef6\u5904\u7406\u56de\u8c03<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> _msgHandlerMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>msgid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">&#061;&#061;<\/span> _msgHandlerMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8fd4\u56de\u4e00\u4e2a\u9ed8\u8ba4\u7684\u5904\u7406\u5668&#xff0c;\u7a7a\u64cd\u4f5c<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>json <span class=\"token operator\">&amp;<\/span>js<span class=\"token punctuation\">,<\/span>Timestamp<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            LOG_ERROR<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;msgid:&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>msgid<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;can not find handler!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _msgHandlerMap<span class=\"token punctuation\">[<\/span>msgid<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u5904\u7406\u767b\u5f55\u4e1a\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">ChatService<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">login<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>json <span class=\"token operator\">&amp;<\/span>js<span class=\"token punctuation\">,<\/span>Timestamp time<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LOG_INFO<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;do login service!!!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/\/\u5904\u7406\u6ce8\u518c\u4e1a\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">ChatService<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">reg<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> TcpConnectionPtr <span class=\"token operator\">&amp;<\/span>conn<span class=\"token punctuation\">,<\/span>json <span class=\"token operator\">&amp;<\/span>js<span class=\"token punctuation\">,<\/span>Timestamp time<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LOG_INFO<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;do reg service!!!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4. main.cpp\u2014\u2014\u7a0b\u5e8f\u5165\u53e3<\/h4>\n<p>main.cpp\u7684\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u521b\u5efa EventLoop&#xff08;muduo \u4e8b\u4ef6\u5faa\u73af&#xff09;&#xff1b;<\/li>\n<li>\u8bbe\u7f6e\u76d1\u542c\u5730\u5740&#xff08;127.0.0.1:6000&#xff09;&#xff1b;<\/li>\n<li>\u5b9e\u4f8b\u5316 ChatServer \u5e76\u542f\u52a8&#xff1b;<\/li>\n<li>\u8c03\u7528 loop.loop() \u8fdb\u5165\u65e0\u9650\u4e8b\u4ef6\u5faa\u73af&#xff0c;\u5904\u7406\u6240\u6709 IO\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u662f\u5178\u578b muduo \u542f\u52a8\u6a21\u677f&#xff0c;\u975e\u5e38\u7684\u7b80\u6d01\u3002<\/p>\n<p>main.cpp\u7684\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;chatserver.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    EventLoop loop<span class=\"token punctuation\">;<\/span><br \/>\n    InetAddress <span class=\"token function\">addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ChatServer <span class=\"token function\">server<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>loop<span class=\"token punctuation\">,<\/span>addr<span class=\"token punctuation\">,<\/span><span class=\"token string\">&#034;ChatServer&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    loop<span class=\"token punctuation\">.<\/span><span class=\"token function\">loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u4e8c\u3001\u6574\u4f53\u8054\u7cfb<\/h3>\n<p>\u8fd9\u4e9b\u6587\u4ef6\u4e4b\u95f4\u5230\u5e95\u662f\u5982\u4f55\u6765\u534f\u4f5c\u7684\u5462&#xff1f;<br \/>\n\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6d88\u606f\u5904\u7406\u6d41\u7a0b&#xff1a;<\/p>\n<li>\n<p>\u542f\u52a8\u6d41\u7a0b&#xff08;main.cpp \u2192 chatserver \u2192 muduo&#xff09;&#xff1a;<br \/>\nmain \u521b\u5efa EventLoop \u548c ChatServer&#xff1b;<br \/>\nChatServer \u6784\u9020\u51fd\u6570\u6ce8\u518c onConnection\/onMessage \u56de\u8c03&#xff1b;<br \/>\nstart() &#043; loop.loop() \u5f00\u59cb\u76d1\u542c\u548c\u4e8b\u4ef6\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u5efa\u7acb&#xff1a;<br \/>\n\u5ba2\u6237\u7aef\u8fde\u63a5 \u2192 muduo \u8c03\u7528 onConnection&#xff08;\u7f51\u7edc\u6a21\u5757\u5904\u7406\u4e0a\u7ebf\/\u4e0b\u7ebf&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u6d88\u606f\u5904\u7406\u94fe\u8def&#xff08;\u6838\u5fc3\u89e3\u8026\u70b9&#xff09;&#xff1a;<br \/>\n\u5ba2\u6237\u7aef\u53d1\u9001 JSON&#xff08;\u5982 {\u201cmsgid\u201d:1, \u201cid\u201d:1001, \u201cpassword\u201d:\u201c123456\u201d}&#xff09;&#xff1b;<br \/>\n\u7136\u540emuduo \u6536\u5230\u6570\u636e \u2192 \u8c03\u7528 ChatServer::onMessage&#xff08;\u7f51\u7edc\u6a21\u5757&#xff09;&#xff1b;<br \/>\n\u7f51\u7edc\u6a21\u5757:\u5148\u89e3\u6790 JSON&#xff0c;\u518d\u901a\u8fc7 msgid \u4eceChatService\u5355\u4f8b\u83b7\u53d6 handler&#xff08;\u8c03\u7528 getHandler&#xff09;&#xff1b;<br \/>\n\u518d\u6267\u884c handler \u2192 \u8fdb\u5165\u4e1a\u52a1\u6a21\u5757&#xff08;\u5982 login&#xff09;&#xff1b;<br \/>\n\u4e1a\u52a1\u6a21\u5757\u5904\u7406\u540e&#xff0c;\u6700\u540e\u901a\u8fc7 conn-&gt;send(\u2026) \u53d1\u9001\u54cd\u5e94 JSON \u7ed9\u5ba2\u6237\u7aef&#xff1b;<\/p>\n<\/li>\n<p>\u5173\u952e\u6865\u6881&#xff1a;public.h \u7684 msgid&#xff08;\u534f\u8bae\u7ea6\u5b9a&#xff09;&#xff1b;ChatService \u7684 handler map&#xff08;\u5206\u53d1\u673a\u5236&#xff09;&#xff1b;TcpConnectionPtr&#xff08;muduo \u63d0\u4f9b\u7684\u8fde\u63a5\u5bf9\u8c61&#xff0c;\u7528\u4e8e\u53d1\u9001\u54cd\u5e94&#xff09;\u3002<\/p>\n<p>\u8fd9\u91cc\u8fd0\u7528\u5355\u4f8b\u6a21\u5f0f\u7684\u4f5c\u7528\u662f\u6240\u6709\u8fde\u63a5\u7684\u4e1a\u52a1\u5904\u7406\u90fd\u901a\u8fc7\u540c\u4e00\u4e2a ChatService \u5b9e\u4f8b&#xff0c;\u4fbf\u4e8e\u5171\u4eab\u72b6\u6001\u3002<\/p>\n<p>\u6570\u636e\u6d41\u5411\u56fe\u89e3&#xff1a;<\/p>\n<p>\u5ba2\u6237\u7aef \u2192 TCP \u2192 muduo \u2192 ChatServer::onMessage \u2192 JSON\u89e3\u6790 \u2192 ChatService::getHandler \u2192 \u4e1a\u52a1\u51fd\u6570(login\/reg) \u2192 conn-&gt;send(\u54cd\u5e94) \u2192 \u5ba2\u6237\u7aef<\/p>\n<h4>\u4e09\u3001\u8fd9\u79cd\u5b9e\u73b0\u7684\u597d\u5904<\/h4>\n<li>\n<p>\u5b8c\u5168\u89e3\u8026&#xff08;\u6700\u5927\u4f18\u70b9&#xff09;&#xff1a;<br \/>\n\u7f51\u7edc\u6a21\u5757\u548c\u4e1a\u52a1\u6a21\u5757\u96f6\u8026\u5408&#xff1a;\u6539\u4e1a\u52a1\u4e0d\u9700\u8981\u52a8\u7f51\u7edc\u4ee3\u7801&#xff0c;\u53cd\u4e4b\u4ea6\u7136&#xff1b;<br \/>\n\u7f51\u7edc\u4ee3\u7801\u7b80\u6d01&#xff0c;\u53ea\u5173\u5fc3 IO&#xff1b;\u4e1a\u52a1\u4ee3\u7801\u4e13\u6ce8\u903b\u8f91\u3002<\/p>\n<\/li>\n<li>\n<p>\u9ad8\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027&#xff1a;<br \/>\n\u52a0\u65b0\u4e1a\u52a1&#xff08;\u5982\u7fa4\u804a&#xff09;\u53ea\u9700\u4e09\u6b65&#xff1a;public.h \u52a0\u65b0 msgid&#xff1b;ChatService \u6784\u9020\u51fd\u6570\u6ce8\u518c\u65b0 handler&#xff1b;\u5b9e\u73b0\u65b0\u4e1a\u52a1\u51fd\u6570\u3002<br \/>\n\u7f51\u7edc\u6a21\u5757\u4e00\u884c\u4e0d\u7528\u6539&#xff01;<\/p>\n<\/li>\n<li>\n<p>\u9002\u5408\u96c6\u7fa4\u6269\u5c55&#xff1a;<br \/>\n\u5f53\u524d\u662f\u5355\u673a&#xff0c;\u4f46\u8bbe\u8ba1\u5df2\u4e3a\u96c6\u7fa4\u94fa\u8def&#xff1a;<br \/>\nChatService \u5355\u4f8b\u4fbf\u4e8e\u6ce8\u5165 Redis&#xff08;\u5206\u5e03\u5f0f\u5b58\u50a8\u7528\u6237\u72b6\u6001\u3001\u6d88\u606f\u8def\u7531&#xff09;&#xff1b;<br \/>\n\u8fde\u63a5\u65e0\u72b6\u6001&#xff1a;\u6240\u6709\u7528\u6237\u72b6\u6001\u96c6\u4e2d\u5728\u4e1a\u52a1\u5c42&#xff08;\u540e\u7eed\u653e Redis&#xff09;&#xff0c;\u591a\u53f0\u670d\u52a1\u5668\u53ef\u5171\u4eab&#xff1b;<br \/>\n\u652f\u6301\u8d1f\u8f7d\u5747\u8861&#xff08;Nginx \u6216\u5176\u4ed6&#xff09;&#043; Redis Pub\/Sub \u5b9e\u73b0\u6d88\u606f\u8de8\u670d\u52a1\u5668\u5e7f\u64ad\u3002<\/p>\n<\/li>\n<li>\n<p>\u9ad8\u6027\u80fd&#xff1a;<br \/>\nmuduo \u662f\u9ad8\u6027\u80fd reactor \u5e93&#xff0c;\u652f\u6301\u591a\u7ebf\u7a0b IO&#xff1b;<br \/>\nJSON \u89e3\u6790\u8f7b\u91cf&#xff0c;handler map \u67e5\u8be2 O(1)\u3002<\/p>\n<\/li>\n<li>\n<p>\u5065\u58ee\u6027\u597d&#xff1a;<br \/>\nmsgid \u4e0d\u5b58\u5728\u65f6\u6709\u9ed8\u8ba4\u7a7a\u5904\u7406 &#043; \u65e5\u5fd7&#xff1b;<br \/>\n\u4ee5\u53ca\u5355\u4f8b\u7ebf\u7a0b\u5b89\u5168\u3002<\/p>\n<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00<br \/>\n\u9996\u5148\u6211\u5bf9\u4e4b\u524d\u7684\u76ee\u5f55\u505a\u4e86\u4e00\u4e9b\u4f18\u5316&#xff0c;\u6309\u7167\u6807\u51c6\u5f00\u6e90\u4ee3\u7801\u7684\u5f62\u5f0f&#xff08;\u8fd9\u4e2a\u6211\u5728C\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668&#xff08;2&#xff09;\u4e2d\u8bb2\u89e3\u8fc7&#xff09;\u8fdb\u884c\u4e86\u6539\u5584&#xff1a;\u63a5\u4e0b\u6765\u5f00\u59cb\u8bb2\u89e3\u8fd9\u4e9b\u6587\u4ef6\u4e2d\u7684\u4ee3\u7801\u4ee5\u53ca\u4ed6\u4eec\u4e4b\u95f4\u7684\u8054\u7cfb\u3002<br \/>\n\u4e00\u3001\u6309\u6a21\u5757\u5206\u5f00\u6765\u8bb2\u89e3<br \/>\n\u8fd9\u6b21\u4e3b\u8981\u5b9e\u73b0\u4e86\u8fd9\u516d\u4e2a\u6587\u4ef6\u7684\u4ee3\u7801&#xff1a;<br \/>\nchatserver.h  chatserver.cpp \u2192 \u7f51\u7edc\u6a21\u5757&#xff08;\u8d1f\u8d23\u5e95\u5c42\u7f51\u7edc IO&#xff09;<br \/>\nchatservice.h  chat<\/p>\n","protected":false},"author":2,"featured_media":66360,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,43,78],"topic":[],"class_list":["post-66361","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-43","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668\uff084\uff09\u2014\u2014\u7f51\u7edc\u6a21\u5757\u4e0e\u4e1a\u52a1\u6a21\u5757 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/66361.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668\uff084\uff09\u2014\u2014\u7f51\u7edc\u6a21\u5757\u4e0e\u4e1a\u52a1\u6a21\u5757 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u524d\u8a00 \u9996\u5148\u6211\u5bf9\u4e4b\u524d\u7684\u76ee\u5f55\u505a\u4e86\u4e00\u4e9b\u4f18\u5316&#xff0c;\u6309\u7167\u6807\u51c6\u5f00\u6e90\u4ee3\u7801\u7684\u5f62\u5f0f&#xff08;\u8fd9\u4e2a\u6211\u5728C\u96c6\u7fa4\u804a\u5929\u670d\u52a1\u5668&#xff08;2&#xff09;\u4e2d\u8bb2\u89e3\u8fc7&#xff09;\u8fdb\u884c\u4e86\u6539\u5584&#xff1a;\u63a5\u4e0b\u6765\u5f00\u59cb\u8bb2\u89e3\u8fd9\u4e9b\u6587\u4ef6\u4e2d\u7684\u4ee3\u7801\u4ee5\u53ca\u4ed6\u4eec\u4e4b\u95f4\u7684\u8054\u7cfb\u3002 \u4e00\u3001\u6309\u6a21\u5757\u5206\u5f00\u6765\u8bb2\u89e3 \u8fd9\u6b21\u4e3b\u8981\u5b9e\u73b0\u4e86\u8fd9\u516d\u4e2a\u6587\u4ef6\u7684\u4ee3\u7801&#xff1a; chatserver.h chatserver.cpp \u2192 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