C++ Qt TCP服务器没有'；无法从客户端读取数据

我使用Ubuntu 16.04和QtCreator。我写了一个从Raspberry Pi Zero W接收数据的服务器，它是PC上的服务器，Raspberry上的客户端。但我的服务器不读取数据。为什么？我的代码中有错误吗

tcpserver.cpp

#include "tcpserver.h"

tcpServer::tcpServer(QObject *parent) : QObject(parent)
{
    server = new QTcpServer(this);

    connect(server, SIGNAL(newConnection()),
            this, SLOT(newConnection()));

    connect(server, SIGNAL(readyRead()),
            this, SLOT(readyRead()));

    if(!server->listen(QHostAddress::Any, 1234)){
        qDebug() << "Server could not start";
    }else{
        qDebug() << "Server started!";
    }
}

void tcpServer::newConnection(){
    socket = server->nextPendingConnection();
    qDebug() << "Client was connected!";

}

void tcpServer::readyRead(){
    QByteArray socketBuffer = socket->readAll();
    qDebug() << socketBuffer;
}

connect(server, SIGNAL(newConnection()),
        this, SLOT(newConnection()));

#包括“tcpserver.h”
tcpServer:：tcpServer（QObject*父对象）：QObject（父对象）
{
服务器=新的QTcpServer（此）；
连接（服务器，信号（newConnection（）），
这个插槽（newConnection（））；
连接（服务器，信号（readyRead（）），
这个，SLOT（readyRead（））；
如果（！server->listen（QHostAddress:：Any，1234））{
tcpserver.cpp中的qDebug（）

#include "tcpserver.h"

tcpServer::tcpServer(QObject *parent) : QObject(parent)
{
    server = new QTcpServer(this);

    connect(server, SIGNAL(newConnection()),
            this, SLOT(newConnection()));

    connect(server, SIGNAL(readyRead()),
            this, SLOT(readyRead()));

    if(!server->listen(QHostAddress::Any, 1234)){
        qDebug() << "Server could not start";
    }else{
        qDebug() << "Server started!";
    }
}

void tcpServer::newConnection(){
    socket = server->nextPendingConnection();
    qDebug() << "Client was connected!";

}

void tcpServer::readyRead(){
    QByteArray socketBuffer = socket->readAll();
    qDebug() << socketBuffer;
}

connect(server, SIGNAL(newConnection()),
        this, SLOT(newConnection()));

在newConnection（）中

在tcpserver.cpp中

#include "tcpserver.h"

tcpServer::tcpServer(QObject *parent) : QObject(parent)
{
    server = new QTcpServer(this);

    connect(server, SIGNAL(newConnection()),
            this, SLOT(newConnection()));

    connect(server, SIGNAL(readyRead()),
            this, SLOT(readyRead()));

    if(!server->listen(QHostAddress::Any, 1234)){
        qDebug() << "Server could not start";
    }else{
        qDebug() << "Server started!";
    }
}

void tcpServer::newConnection(){
    socket = server->nextPendingConnection();
    qDebug() << "Client was connected!";

}

void tcpServer::readyRead(){
    QByteArray socketBuffer = socket->readAll();
    qDebug() << socketBuffer;
}

connect(server, SIGNAL(newConnection()),
        this, SLOT(newConnection()));

在newConnection（）中

我认为您需要退一步，了解套接字和网络编程的一般知识。接收数据的套接字就是您在
newConnection
函数中获得连接的套接字。“服务器”套接字是被动套接字，仅侦听传入连接，仅此而已。非常感谢您的评论。我理解QTcpServer和QTcpSocket的区别。我认为您需要后退一步，了解套接字和网络编程的一般知识。接收数据的套接字就是您在
newConnection
function.“服务器”套接字是被动套接字，仅侦听传入的连接，仅此而已。非常感谢您的评论。我理解QTcpServer和QTcpSocket的区别。