{"id":31694,"date":"2025-04-22T04:01:02","date_gmt":"2025-04-21T20:01:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/31694.html"},"modified":"2025-04-22T04:01:02","modified_gmt":"2025-04-21T20:01:02","slug":"%e4%bd%bf%e7%94%a8qt%e5%ae%9e%e7%8e%b0-%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e7%9a%84%e9%80%9a%e4%bf%a1%ef%bc%88%e7%ac%ac%e4%b8%80%e7%ab%a0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/31694.html","title":{"rendered":"\u4f7f\u7528QT\u5b9e\u73b0 \u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\uff08\u7b2c\u4e00\u7ae0\uff09"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u6982\u8981<\/li>\n<li>\u6574\u4f53\u67b6\u6784\u6d41\u7a0b<\/li>\n<li>\u670d\u52a1\u7aef<\/li>\n<li>1\u3001\u521b\u5efaQTcpServer 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punctuation\">(<\/span>QHostAddress<span class=\"token double-colon punctuation\">::<\/span>Any<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">qInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;server listening &#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3\u3001\u7b49\u5f85\u8fde\u63a5<\/h3>\n<p><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_tcpServer<span class=\"token punctuation\">,<\/span><span class=\"token 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punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_clientName <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string\">&#034;::&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token class-name\">QString<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">number<\/span><span class=\"token punctuation\">(<\/span>m_tcpSocket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">peerPort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>m_chatDataStr <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6709\u5ba2\u6237\u7aef:&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> m_clientName <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; \u8fde\u63a5\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_readDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span>m_chatDataStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_tcpSocket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QTcpSocket<span class=\"token double-colon punctuation\">::<\/span>readyRead<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>MainWindow<span class=\"token double-colon punctuation\">::<\/span>slot_recvClientData<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_tcpSocket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QTcpSocket<span class=\"token double-colon punctuation\">::<\/span>disconnected<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\nm_chatDataStr <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6709\u5ba2\u6237\u7aef:&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> m_clientName <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; \u65ad\u5f00\u8fde\u63a5\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_readDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span>m_chatDataStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_tcpSocket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>4\u3001\u63a5\u6536\u5904\u7406<\/h3>\n<p>\u5c06\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6570\u636e\u8f6c\u6210\u53ef\u8bc6\u522b\u4e2d\u6587\u7684\u5b57\u7b26\u4e32&#xff0c;\u663e\u793a\u5728\u63a7\u4ef6\u4e0a<\/p>\n<p><span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>m_tcpSocket <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">auto<\/span> data <span class=\"token operator\">&#061;<\/span> m_tcpSocket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">readAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nQString str <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">QString<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">fromUtf8<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">qInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> str<span class=\"token punctuation\">;<\/span><\/p>\n<p>m_chatDataStr <span class=\"token operator\">&#043;&#061;<\/span> m_clientName <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf4  &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#043;<\/span> str <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_readDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span>m_chatDataStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>5\u3001\u53d1\u9001\u5904\u7406<\/h3>\n<p>\u83b7\u53d6\u63a7\u4ef6\u4e2d\u7684\u5b57\u7b26\u4e32\u4fe1\u606f&#xff0c;\u7136\u540e\u53d1\u9001\u5230\u5ba2\u6237\u7aef\u5e76\u663e\u793a\u53d1\u9001\u8bb0\u5f55<\/p>\n<p>QString str <span class=\"token operator\">&#061;<\/span> m_writeDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">toPlainText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_tcpSocket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>str<span class=\"token punctuation\">.<\/span><span class=\"token function\">toUtf8<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_tcpSocket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">flush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_writeDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_chatDataStr <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u5bf9&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> m_clientName <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf4  &#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> str <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_readDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span>m_chatDataStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>\u5ba2\u6237\u7aef<\/h3>\n<h3>1\u3001\u521b\u5efa\u5ba2\u6237\u7aef\u901a\u4fe1\u5957\u63a5\u5b57<\/h3>\n<p>m_tcpSocket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">QTcpSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>2\u3001\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u8fde\u63a5<\/h3>\n<p>\u9700\u8981\u8f93\u5165\u670d\u52a1\u5668\u7684ip \u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u7136\u540e\u8fdb\u884c\u8fde\u63a5<\/p>\n<p>QHostAddress address <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">QHostAddress<\/span><span class=\"token punctuation\">(<\/span>m_ipEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">text<\/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 keyword\">int<\/span> port <span class=\"token operator\">&#061;<\/span> m_portEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_tcpSocket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">connectToHost<\/span><span class=\"token punctuation\">(<\/span>address<span class=\"token punctuation\">,<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>3\u3001\u8fde\u63a5\u7ed3\u679c<\/h3>\n<p>\u8fde\u63a5\u548c\u65ad\u5f00QT\u5df2\u7ecf\u5c01\u88c5\u5728QTcpSocket \u7c7b\u91cc\u9762\u4e86&#xff0c;\u53ea\u9700\u8981\u83b7\u53d6socet \u7684 \u8fde\u63a5\u548c\u65ad\u5f00\u4fe1\u53f7&#xff0c;\u5c31\u80fd\u77e5\u9053\u662f\u5426\u6210\u529f\u4e86<\/p>\n<p><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_tcpSocket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QTcpSocket<span class=\"token double-colon punctuation\">::<\/span>connected<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">{<\/span><br \/>\nm_chatDataStr <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u8fde\u63a5\u6210\u529f&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_readDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span>m_chatDataStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_disConnectBtn<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QPushButton<span class=\"token double-colon punctuation\">::<\/span>clicked<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>MainWindow<span class=\"token double-colon punctuation\">::<\/span>slot_disConnect<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_tcpSocket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QTcpSocket<span class=\"token double-colon punctuation\">::<\/span>disconnected<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">{<\/span><br \/>\nm_chatDataStr <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">QStringLiteral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u670d\u52a1\u5668\u8fde\u63a5\u65ad\u5f00&#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nm_readDataEdit<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span>m_chatDataStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span 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