qt tcpserver
时间: 2023-10-22 20:28:19 浏览: 82
QTcpServer是Qt中用于创建TCP服务器的类。通过QTcpServer类,可以通过调用nextPendingConnection()接口获取已建立TCP连接的QTcpSocket对象。在使用QTcpServer之前,需要引入相关类的头文件,如QTcpServer、QTcpSocket和QHostAddress。最后,可以调用close()函数停止监听。下面是QTcpServer的简单示例:
#include <QTcpServer>
#include <QTcpSocket>
#include <QHostAddress>
int main(int argc, char *argv[])
{
QTcpServer server;
server.listen(QHostAddress::Any, 1234); // 在本地监听1234端口
while (true) {
QTcpSocket *socket = server.nextPendingConnection();
// 处理连接
socket->write("Hello, Client!");
socket->flush();
socket->waitForBytesWritten();
socket->close();
}
return 0;
}
以上示例中,创建了一个QTcpServer对象server,并调用listen()函数在本地监听1234端口。然后使用一个无限循环不断调用nextPendingConnection()获取新的连接,对每个连接进行处理。在处理连接时,可以向客户端发送消息,然后关闭连接。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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