{"id":27147,"date":"2025-04-19T18:35:59","date_gmt":"2025-04-19T10:35:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/27147.html"},"modified":"2025-04-19T18:35:59","modified_gmt":"2025-04-19T10:35:59","slug":"qt-tcp%e6%9c%8d%e5%8a%a1%e5%99%a8-%e5%ae%a2%e6%88%b7%e7%ab%af%e3%80%90%e5%a4%9a%e7%ba%bf%e7%a8%8b%e3%80%91","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/27147.html","title":{"rendered":"QT TCP\u670d\u52a1\u5668\/\u5ba2\u6237\u7aef\u3010\u591a\u7ebf\u7a0b\u3011"},"content":{"rendered":"

\u670d\u52a1\u5668<\/h2>\n

\"\u6587\u4ef6\u7ed3\u6784\" \u9996\u5148\u8981\u5728.pro\u6587\u4ef6\u4e2d\u6dfb\u52a0network，\u5426\u5219\u5c06\u4e0d\u80fd\u4f7f\u7528QTcpserver<\/p>\n

QT +=<\/span> core gui network<\/p>\n

#<\/span>ifndef<\/span> WIDGET_H<\/span><\/span>
\n#<\/span>define<\/span> WIDGET_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> <QWidget><\/span><\/span>
\n#<\/span>include<\/span> <QTcpServer><\/span><\/span>
\n#<\/span>include<\/span> <QTcpSocket><\/span><\/span>
\n#<\/span>define<\/span> PORT<\/span> 8000<\/span><\/span><\/span><\/p>\n

QT_BEGIN_NAMESPACE
\nnamespace<\/span> Ui {<\/span>
\nclass<\/span> Widget<\/span>;<\/span>
\n}<\/span>
\nQT_END_NAMESPACE<\/p>\n

class<\/span> Widget<\/span> :<\/span> public<\/span> QWidget<\/span><\/span>
\n{<\/span>
\n Q_OBJECT<\/p>\n

public<\/span>:<\/span>
\n Widget<\/span>(<\/span>QWidget *<\/span>parent =<\/span> nullptr<\/span>)<\/span>;<\/span>
\n ~<\/span>Widget<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

private<\/span> slots:<\/span>
\n void<\/span> newClientHandler<\/span>(<\/span>)<\/span>;<\/span>
\n void<\/span> clientInfoSlot<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

void<\/span> on_sendButton_clicked<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

private<\/span>:<\/span>
\n Ui::<\/span>Widget *<\/span>ui;<\/span>
\n QTcpServer *<\/span>server;<\/span>
\n QTcpSocket *<\/span>socket;<\/span>
\n}<\/span>;<\/span>
\n#<\/span>endif<\/span> \/\/ WIDGET_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> "widget.h"<\/span><\/span>
\n#<\/span>include<\/span> "ui_widget.h"<\/span><\/span><\/p>\n

Widget<\/span>::<\/span>Widget<\/span>(<\/span>QWidget *<\/span>parent)<\/span>
\n :<\/span> QWidget<\/span>(<\/span>parent)<\/span>
\n ,<\/span> ui<\/span>(<\/span>new<\/span> Ui::<\/span>Widget)<\/span>
\n{<\/span>
\n ui-><\/span>setupUi<\/span>(<\/span>this<\/span>)<\/span>;<\/span>
\n server =<\/span> new<\/span> QTcpServer;<\/span>
\n \/\/\u5f00\u542f\u7aef\u53e3\u76d1\u89c6（\u670d\u52a1）<\/span>
\n server-><\/span>listen<\/span>(<\/span>QHostAddress::<\/span>AnyIPv4,<\/span>PORT)<\/span>;<\/span>
\n \/\/\u5c06Server\u7684\u65b0\u8fde\u63a5\u4fe1\u53f7，\u7ed1\u5b9anewClientHandler\u69fd\u51fd\u6570<\/span>
\n connect<\/span>(<\/span>server,<\/span>&<\/span>QTcpServer::<\/span>newConnection,<\/span>this<\/span>,<\/span>&<\/span>Widget::<\/span>newClientHandler)<\/span>;<\/span>
\n}<\/span><\/p>\n

Widget<\/span>::<\/span>~<\/span>Widget<\/span>(<\/span>)<\/span>
\n{<\/span>
\n delete<\/span> ui;<\/span>
\n}<\/span>
\nvoid<\/span> Widget<\/span>::<\/span>newClientHandler<\/span>(<\/span>)<\/span>
\n{<\/span>
\n \/\/\u5efa\u7acbTCP\u8fde\u63a5，sever<\/span>
\n socket =<\/span> server-><\/span>nextPendingConnection<\/span>(<\/span>)<\/span>;<\/span>
\n ui-><\/span>addresslineEdit-><\/span>setText<\/span>(<\/span>socket-><\/span>peerAddress<\/span>(<\/span>)<\/span>.<\/span>toString<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n ui-><\/span>portlineEdit-><\/span>setText<\/span>(<\/span>QString<\/span>::<\/span>number<\/span>(<\/span>socket-><\/span>peerPort<\/span>(<\/span>)<\/span>)<\/span>)<\/span>;<\/span>
\n \/\/\u5c06Socket\u7684\u6570\u636e\u5c31\u7eea\u4fe1\u53f7，\u7ed1\u5b9aclientInfoSlot\u69fd\u51fd\u6570<\/span>
\n connect<\/span>(<\/span>socket,<\/span>&<\/span>QTcpSocket::<\/span>readyRead,<\/span>this<\/span>,<\/span>&<\/span>Widget::<\/span>clientInfoSlot)<\/span>;<\/span><\/p>\n

}<\/span>
\nvoid<\/span> Widget<\/span>::<\/span>clientInfoSlot<\/span>(<\/span>)<\/span>
\n{<\/span>
\n \/\/\u83b7\u53d6\u4fe1\u53f7\u7684\u53d1\u51fa\u8005<\/span>
\n QTcpSocket *<\/span>socket=<\/span>(<\/span>QTcpSocket *<\/span>)<\/span>sender<\/span>(<\/span>)<\/span>;<\/span>
\n ui-><\/span>revlineEdit-><\/span>setText<\/span>(<\/span>QString<\/span>(<\/span>socket-><\/span>readAll<\/span>(<\/span>)<\/span>)<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> Widget<\/span>::<\/span>on_sendButton_clicked<\/span>(<\/span>)<\/span>
\n{<\/span>
\n QByteArray ba;<\/span>
\n ba.<\/span>append<\/span>(<\/span>ui-><\/span>sendlineEdit-><\/span>text<\/span>(<\/span>)<\/span>.<\/span>toLatin1<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n socket-><\/span>write<\/span>(<\/span>ba)<\/span>;<\/span>
\n}<\/span><\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u5ba2\u6237\u7aef<\/h2>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u540c\u6837\u7684，\u522b\u5fd8\u4e86\u5728.pro\u6587\u4ef6\u4e2d\u4fee\u6539<\/p>\n

QT +=<\/span> core gui network<\/p>\n

\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5\u4e4b\u540e\u5f00\u542f\u65b0\u7a97\u53e3chat<\/p>\n

#<\/span>ifndef<\/span> CHAT_H<\/span><\/span>
\n#<\/span>define<\/span> CHAT_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> <QWidget><\/span><\/span>
\n#<\/span>include<\/span><QTcpSocket><\/span><\/span>
\nnamespace<\/span> Ui {<\/span>
\nclass<\/span> chat<\/span>;<\/span>
\n}<\/span><\/p>\n

class<\/span> chat<\/span> :<\/span> public<\/span> QWidget<\/span><\/span>
\n{<\/span>
\n Q_OBJECT<\/p>\n

public<\/span>:<\/span>
\n explicit<\/span> chat<\/span>(<\/span>QTcpSocket *<\/span>socket,<\/span>QWidget *<\/span>parent =<\/span> nullptr<\/span>)<\/span>;<\/span>
\n ~<\/span>chat<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

private<\/span> slots:<\/span>
\n void<\/span> on_sendButton_clicked<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

void<\/span> on_clearButton_clicked<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

void<\/span> clientReadHandler<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

private<\/span>:<\/span>
\n Ui::<\/span>chat *<\/span>ui;<\/span>
\n QTcpSocket *<\/span>socket;<\/span>
\n}<\/span>;<\/span><\/p>\n

#<\/span>endif<\/span> \/\/ CHAT_H<\/span><\/span><\/p>\n

#<\/span>ifndef<\/span> WIDGET_H<\/span><\/span>
\n#<\/span>define<\/span> WIDGET_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> <QWidget><\/span><\/span>
\n#<\/span>include<\/span><QTcpsocket><\/span><\/span>
\n#<\/span>include<\/span><QHostAddress><\/span><\/span>
\n#<\/span>include<\/span><QMessageBox><\/span><\/span>
\n#<\/span>include<\/span> "chat.h"<\/span><\/span>
\nQT_BEGIN_NAMESPACE
\nnamespace<\/span> Ui {<\/span>
\nclass<\/span> Widget<\/span>;<\/span>
\n}<\/span>
\nQT_END_NAMESPACE<\/p>\n

class<\/span> Widget<\/span> :<\/span> public<\/span> QWidget<\/span><\/span>
\n{<\/span>
\n Q_OBJECT<\/p>\n

public<\/span>:<\/span>
\n Widget<\/span>(<\/span>QWidget *<\/span>parent =<\/span> nullptr<\/span>)<\/span>;<\/span>
\n ~<\/span>Widget<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

private<\/span> slots:<\/span>
\n void<\/span> on_cancelButton_clicked<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

void<\/span> on_connectButton_clicked<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

private<\/span>:<\/span>
\n Ui::<\/span>Widget *<\/span>ui;<\/span>
\n QTcpSocket *<\/span>socket;<\/span>
\n chat *<\/span>ch;<\/span>
\n}<\/span>;<\/span>
\n#<\/span>endif<\/span> \/\/ WIDGET_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> "chat.h"<\/span><\/span>
\n#<\/span>include<\/span> "ui_chat.h"<\/span><\/span><\/p>\n

chat::<\/span>chat<\/span>(<\/span>QTcpSocket *<\/span>s,<\/span>QWidget *<\/span>parent)<\/span> :<\/span>
\n QWidget<\/span>(<\/span>parent)<\/span>,<\/span>
\n ui<\/span>(<\/span>new<\/span> Ui::<\/span>chat)<\/span>
\n{<\/span>
\n ui-><\/span>setupUi<\/span>(<\/span>this<\/span>)<\/span>;<\/span>
\n socket =<\/span> s;<\/span>
\n connect<\/span>(<\/span>socket,<\/span>&<\/span>QTcpSocket::<\/span>readyRead,<\/span>this<\/span>,<\/span>&<\/span>chat::<\/span>clientReadHandler)<\/span>;<\/span>
\n}<\/span><\/p>\n

chat<\/span>::<\/span>~<\/span>chat<\/span>(<\/span>)<\/span>
\n{<\/span>
\n delete<\/span> ui;<\/span>
\n}<\/span><\/p>\n

void<\/span> chat::<\/span>on_sendButton_clicked<\/span>(<\/span>)<\/span>
\n{<\/span>
\n QByteArray ba;<\/span>
\n ba.<\/span>append<\/span>(<\/span>ui-><\/span>lineEdit-><\/span>text<\/span>(<\/span>)<\/span>.<\/span>toLatin1<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n socket-><\/span>write<\/span>(<\/span>ba)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> chat::<\/span>on_clearButton_clicked<\/span>(<\/span>)<\/span>
\n{<\/span>
\n ui-><\/span>lineEdit-><\/span>clear<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> chat::<\/span>clientReadHandler<\/span>(<\/span>)<\/span>
\n{<\/span>
\n ui-><\/span>revlineEdit-><\/span>setText<\/span>(<\/span>QString<\/span>(<\/span>socket-><\/span>readAll<\/span>(<\/span>)<\/span>)<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

#<\/span>include<\/span> "widget.h"<\/span><\/span>
\n#<\/span>include<\/span> "ui_widget.h"<\/span><\/span><\/p>\n

Widget<\/span>::<\/span>Widget<\/span>(<\/span>QWidget *<\/span>parent)<\/span>
\n :<\/span> QWidget<\/span>(<\/span>parent)<\/span>
\n ,<\/span> ui<\/span>(<\/span>new<\/span> Ui::<\/span>Widget)<\/span>
\n{<\/span>
\n ui-><\/span>setupUi<\/span>(<\/span>this<\/span>)<\/span>;<\/span>
\n socket =<\/span> new<\/span> QTcpSocket;<\/span>
\n}<\/span><\/p>\n

Widget<\/span>::<\/span>~<\/span>Widget<\/span>(<\/span>)<\/span>
\n{<\/span>
\n delete<\/span> ui;<\/span>
\n}<\/span><\/p>\n

void<\/span> Widget<\/span>::<\/span>on_connectButton_clicked<\/span>(<\/span>)<\/span>
\n{<\/span>
\n QString ip =<\/span> ui-><\/span>iplineEdit-><\/span>text<\/span>(<\/span>)<\/span>;<\/span>
\n QString port =<\/span> ui-><\/span>portlineEdit-><\/span>text<\/span>(<\/span>)<\/span>;<\/span>
\n qDebug<\/span>(<\/span>)<\/span> <<<\/span> ip;<\/span>
\n qDebug<\/span>(<\/span>)<\/span> <<<\/span> port;<\/span><\/p>\n

socket-><\/span>connectToHost<\/span>(<\/span>QHostAddress<\/span>(<\/span>ip)<\/span>,<\/span>port.<\/span>toShort<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n \/\/\u7ed1\u5b9aQTcpSocket::connected\u4fe1\u53f7<\/span>
\n connect<\/span>(<\/span>socket,<\/span>&<\/span>QTcpSocket::<\/span>connected,<\/span>[<\/span>this<\/span>]<\/span>{<\/span>
\n QMessageBox<\/span>::<\/span>information<\/span>(<\/span>this<\/span>,<\/span>"Tip"<\/span>,<\/span>"\u8fde\u63a5\u6210\u529f"<\/span>)<\/span>;<\/span>
\n this<\/span>-><\/span>hide<\/span>(<\/span>)<\/span>;<\/span>
\n \/\/\u5f00\u542f\u65b0\u7a97\u53e3，\u5c06socket\u4f5c\u4e3a\u53c2\u6570\u3002<\/span>
\n ch =<\/span> new<\/span> chat<\/span>(<\/span>socket)<\/span>;<\/span>
\n ch-><\/span>show<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>)<\/span>;<\/span>
\n connect<\/span>(<\/span>socket,<\/span>&<\/span>QTcpSocket::<\/span>disconnected,<\/span>[<\/span>this<\/span>]<\/span>{<\/span>
\n QMessageBox<\/span>::<\/span>information<\/span>(<\/span>this<\/span>,<\/span>"Tip"<\/span>,<\/span>"\u8fde\u63a5\u5931\u8d25！"<\/span>)<\/span>;<\/span>
\n }<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> Widget<\/span>::<\/span>on_cancelButton_clicked<\/span>(<\/span>)<\/span>
\n{<\/span>
\n this<\/span>-><\/span>close<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u591a\u7ebf\u7a0b\u7248\u672c\u3010\u9488\u5bf9\u670d\u52a1\u7aef\u3011<\/h2>\n

\u5f53\u5b58\u5728\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u7aef\u7684\u65f6\u5019，\u5982\u679c\u53ea\u7528\u4e00\u4e2a\u7ebf\u7a0b，\u4f1a\u9020\u6210\u5148\u542f\u52a8\u7684\u5ba2\u6237\u7aef\u65e0\u6cd5\u8bfb\u5199\u3002\u6b64\u65f6，\u9700\u8981\u670d\u52a1\u7aef\u5f00\u542f\u591a\u7ebf\u7a0b\u670d\u52a1\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

#<\/span>ifndef<\/span> MYTHREAD_H<\/span><\/span>
\n#<\/span>define<\/span> MYTHREAD_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> <QObject><\/span><\/span>
\n#<\/span>include<\/span> <QThread><\/span><\/span>
\n#<\/span>include<\/span><QTcpSocket><\/span><\/span>
\n#<\/span>include<\/span><QDebug><\/span><\/span><\/p>\n

class<\/span> myThread<\/span> :<\/span> public<\/span> QThread<\/span><\/span>
\n{<\/span>
\n Q_OBJECT
\npublic<\/span>:<\/span>
\n explicit<\/span> myThread<\/span>(<\/span>QTcpSocket *<\/span>socket)<\/span>;<\/span>
\n void<\/span> run<\/span>(<\/span>)<\/span>;<\/span>
\nsignals:<\/span>
\n void<\/span> sentToWidget<\/span>(<\/span>QByteArray *<\/span>b)<\/span>;<\/span>
\nprivate<\/span> slots:<\/span>
\n void<\/span> clientinfoSolt<\/span>(<\/span>)<\/span>;<\/span>
\nprivate<\/span>:<\/span>
\n QTcpSocket *<\/span>socket;<\/span>
\n QByteArray *<\/span>ba;<\/span>
\n}<\/span>;<\/span><\/p>\n

#<\/span>ifndef<\/span> WIDGET_H<\/span><\/span>
\n#<\/span>define<\/span> WIDGET_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> <QWidget><\/span><\/span>
\n#<\/span>include<\/span> <QTcpServer><\/span><\/span>
\n#<\/span>include<\/span> <QTcpSocket><\/span><\/span>
\n#<\/span>include<\/span>"mythread.h"<\/span><\/span><\/p>\n

#<\/span>define<\/span> PORT<\/span> 8000<\/span><\/span><\/span><\/p>\n

QT_BEGIN_NAMESPACE
\nnamespace<\/span> Ui {<\/span>
\nclass<\/span> Widget<\/span>;<\/span>
\n}<\/span>
\nQT_END_NAMESPACE<\/p>\n

class<\/span> Widget<\/span> :<\/span> public<\/span> QWidget<\/span><\/span>
\n{<\/span>
\n Q_OBJECT<\/p>\n

public<\/span>:<\/span>
\n Widget<\/span>(<\/span>QWidget *<\/span>parent =<\/span> nullptr<\/span>)<\/span>;<\/span>
\n ~<\/span>Widget<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

private<\/span> slots:<\/span>
\n void<\/span> newClientHandler<\/span>(<\/span>)<\/span>;<\/span>
\n void<\/span> clientInfoSlot<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

void<\/span> on_sendButton_clicked<\/span>(<\/span>)<\/span>;<\/span>
\n void<\/span> threadSlot<\/span>(<\/span>QByteArray *<\/span>b)<\/span>;<\/span>
\nprivate<\/span>:<\/span>
\n Ui::<\/span>Widget *<\/span>ui;<\/span>
\n QTcpServer *<\/span>server;<\/span>
\n QTcpSocket *<\/span>socket;<\/span>
\n}<\/span>;<\/span>
\n#<\/span>endif<\/span> \/\/ WIDGET_H<\/span><\/span><\/p>\n

#<\/span>include<\/span> "mythread.h"<\/span><\/span><\/p>\n

myThread::<\/span>myThread<\/span>(<\/span>QTcpSocket *<\/span>s)<\/span>
\n :<\/span>socket{<\/span>s}<\/span>
\n{<\/span>
\n ba =<\/span> new<\/span> QByteArray;<\/span>
\n}<\/span>
\nvoid<\/span> myThread::<\/span>run<\/span>(<\/span>)<\/span>
\n{<\/span>
\n Qt::<\/span>HANDLE hd =<\/span> QThread<\/span>::<\/span>currentThreadId<\/span>(<\/span>)<\/span>;<\/span>
\n QString hdstr =<\/span> QString<\/span>::<\/span>number<\/span>(<\/span>reinterpret_cast<\/span><<\/span>quintptr><\/span>(<\/span>hd)<\/span>)<\/span>;<\/span>
\n qDebug<\/span>(<\/span>)<\/span><<<\/span>"\u7ebf\u7a0b："<\/span>;<\/span>
\n qDebug<\/span>(<\/span>)<\/span><<<\/span>hdstr;<\/span>
\n ba-><\/span>append<\/span>(<\/span>"th ID:"<\/span>)<\/span>;<\/span>
\n ba-><\/span>append<\/span>(<\/span>hdstr.<\/span>toUtf8<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n connect<\/span>(<\/span>socket,<\/span>&<\/span>QTcpSocket::<\/span>readyRead,<\/span>this<\/span>,<\/span>&<\/span>myThread::<\/span>clientinfoSolt)<\/span>;<\/span>
\n}<\/span>
\nvoid<\/span> myThread::<\/span>clientinfoSolt<\/span>(<\/span>)<\/span>
\n{<\/span>
\n \/\/qDebug()<<socket->readAll();<\/span>
\n ba-><\/span>append<\/span>(<\/span>socket-><\/span>readAll<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n emit sentToWidget<\/span>(<\/span>ba)<\/span>;<\/span>\/\/\u53d1\u9001\u4fe1\u53f7<\/span>
\n}<\/span><\/p>\n

#<\/span>include<\/span> "widget.h"<\/span><\/span>
\n#<\/span>include<\/span> "ui_widget.h"<\/span><\/span><\/p>\n

Widget<\/span>::<\/span>Widget<\/span>(<\/span>QWidget *<\/span>parent)<\/span>
\n :<\/span> QWidget<\/span>(<\/span>parent)<\/span>
\n ,<\/span> ui<\/span>(<\/span>new<\/span> Ui::<\/span>Widget)<\/span>
\n{<\/span>
\n ui-><\/span>setupUi<\/span>(<\/span>this<\/span>)<\/span>;<\/span>
\n server =<\/span> new<\/span> QTcpServer;<\/span>
\n server-><\/span>listen<\/span>(<\/span>QHostAddress::<\/span>AnyIPv4,<\/span>PORT)<\/span>;<\/span>
\n connect<\/span>(<\/span>server,<\/span>&<\/span>QTcpServer::<\/span>newConnection,<\/span>this<\/span>,<\/span>&<\/span>Widget::<\/span>newClientHandler)<\/span>;<\/span>
\n}<\/span><\/p>\n

Widget<\/span>::<\/span>~<\/span>Widget<\/span>(<\/span>)<\/span>
\n{<\/span>
\n delete<\/span> ui;<\/span>
\n}<\/span>
\nvoid<\/span> Widget<\/span>::<\/span>newClientHandler<\/span>(<\/span>)<\/span>
\n{<\/span>
\n \/\/\u5efa\u7acbTCP\u8fde\u63a5<\/span>
\n socket =<\/span> server-><\/span>nextPendingConnection<\/span>(<\/span>)<\/span>;<\/span>
\n ui-><\/span>addresslineEdit-><\/span>setText<\/span>(<\/span>socket-><\/span>peerAddress<\/span>(<\/span>)<\/span>.<\/span>toString<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n ui-><\/span>portlineEdit-><\/span>setText<\/span>(<\/span>QString<\/span>::<\/span>number<\/span>(<\/span>socket-><\/span>peerPort<\/span>(<\/span>)<\/span>)<\/span>)<\/span>;<\/span>
\n connect<\/span>(<\/span>socket,<\/span>&<\/span>QTcpSocket::<\/span>readyRead,<\/span>this<\/span>,<\/span>&<\/span>Widget::<\/span>clientInfoSlot)<\/span>;<\/span>
\n \/\/\u542f\u52a8\u7ebf\u7a0b<\/span>
\n myThread *<\/span>t =<\/span> new<\/span> myThread<\/span>(<\/span>socket)<\/span>;<\/span>\/\/\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61<\/span>
\n t-><\/span>start<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

connect<\/span>(<\/span>t,<\/span>&<\/span>myThread::<\/span>sentToWidget,<\/span>this<\/span>,<\/span>&<\/span>Widget::<\/span>threadSlot)<\/span>;<\/span>
\n}<\/span>
\nvoid<\/span> Widget<\/span>::<\/span>threadSlot<\/span>(<\/span>QByteArray *<\/span>b)<\/span>
\n{<\/span>
\n ui-><\/span>revlineEdit-><\/span>append<\/span>(<\/span>QString<\/span>(<\/span>*<\/span>b)<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> Widget<\/span>::<\/span>clientInfoSlot<\/span>(<\/span>)<\/span>
\n{<\/span>
\n \/\/\u83b7\u53d6\u4fe1\u53f7\u7684\u53d1\u51fa\u8005<\/span>
\n QTcpSocket *<\/span>socket=<\/span>(<\/span>QTcpSocket *<\/span>)<\/span>sender<\/span>(<\/span>)<\/span>;<\/span>
\n \/\/ui->revlineEdit->setText(QString(socket->readAll()));<\/span>
\n ui-><\/span>revlineEdit-><\/span>append<\/span>(<\/span>QString<\/span>(<\/span>socket-><\/span>readAll<\/span>(<\/span>)<\/span>)<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

void<\/span> Widget<\/span>::<\/span>on_sendButton_clicked<\/span>(<\/span>)<\/span>
\n{<\/span>
\n QByteArray ba;<\/span>
\n ba.<\/span>append<\/span>(<\/span>ui-><\/span>sendlineEdit-><\/span>text<\/span>(<\/span>)<\/span>.<\/span>toLatin1<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n socket-><\/span>write<\/span>(<\/span>ba)<\/span>;<\/span>
\n}<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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