来一段自封装，在用的QTcpserver,不用去找boost,或是poco,libevent……，也不用去从底层winsocket封装开始，真不用去那么折腾，放着QT自带的不用，那不仅是可惜，是辜负了QT团队的一片苦心……

#pragma once
#include <atomic>
#include <QTcpServer>
#include <QTcpSocket>
#include <QList>
#include <QTimer>
#include <QTcpServer>
#include <mutex>
#include <QObject>

class LQTcpServer :public QObject
{
    Q_OBJECT
public:
    LQTcpServer();
    explicit LQTcpServer(const int svPort);
    ~LQTcpServer();
    QString getSockID(QTcpSocket * mclient) const;
    void setServerPort(const int svPort);
public:
    bool isServerRun() { return isServerRunning; }
    bool sendMSG(std::string strData);
    bool sendData(char* data, const int slen);
    bool sendData(QByteArray data);
    void releaseServer();
    /*
     res:0   已经运行了
     1:运行成功，-1:启动tcpserver失败
    */
    int startServer();
    bool pause();
    bool resume();
signals:
    void onClientConnected(QTcpSocket* sender, QString senderInfo);
    void onClientDisconnected(QString senderInfo);
    void onServerRead(QTcpSocket* sender,const QByteArray mRevData,QString senderInfo);
protected:    
    QList<QTcpSocket *> clients;
    QTcpServer* mGServer;
    //QTcpSocket* connectClient;

protected slots:
    void new_client();
    void distconnect_client();
    void read_data();
private:
    int mServerPort;
    std::atomic_bool isServerRunning;
};