ui(new Ui::PublicChat)

{

ui->setupUi(this);

QPixmap pix;

userTitle = title;

setWindowTitle(title);

pix.load(":image/img/head.png");

pix = pix.scaled(QSize(80,80));

ui->headLabel->setPixmap(pix);

ui->headLabel->resize(QSize(80,80));

ui->headLabel->setToolTip("头像");

ui->userNameLabel->setText(userTitle);

ui->sendMsgLine->installEventFilter(this);

{

Q_UNUSED(event);

if(obj == ui->sendMsgLine){

if(event->type() == QEvent::KeyPress){

QKeyEvent *press = static_cast<QKeyEvent *>(event);

if(press->key() == Qt::Key_Return){

sendMessage();

return true;

}

}else

return false;

}if(obj == this){

if(event->type() == QEvent::Close){

//发送给父窗口

// emit sendAccount(myAccount);

return true;

}else

return false;

}else

return QWidget::eventFilter(obj,event);

return QWidget::eventFilter(obj,event);

{

myAccount = user1;

qDebug() << "发送方: " << myAccount;

//连接服务器

tcpServerConnect();

{

//实例化socket

tcpsocket = new QTcpSocket(this);

//断开现有连接

tcpsocket->abort();

//连接到本地的8888端口

tcpsocket->connectToHost("127.0.0.1",8888);

//有可读信息，发送readyRead()

connect(tcpsocket,SIGNAL(readyRead()),

this,SLOT(readMessage()));

init();

//实例化套接字的输入流，读信息

QDataStream in(tcpsocket);

in.setVersion(QDataStream::Qt_5_14);

QString greeting;

//将信息写入greeting读取信息

in >> greeting;

//字符串分割

qDebug() << greeting;

QStringList msg = greeting.split("|");

qDebug() << "接收方:" << msg[0];//my

qDebug() << "msg:" << msg[2];

if(msg[0] == "init"){

ui->currentPeople->clear();

for (int i = 1; i < msg.length(); i++){

ui->currentPeople->append(msg[i]);

ui->currentPeople->setAlignment(Qt::AlignCenter);

}

//isInit = true;

}else if(msg[0] == "ChatALL:" && myAccount != msg[1]){

ui->chatDisplay->append(tr("%1: %2").arg(msg[1]).arg(msg[2]));

ui->chatDisplay->setAlignment(Qt::AlignLeft);

}

msg.clear();

//string = 接收方 + | + 发送方 + 发送信息

QString string = "ChatALL:|" + myAccount + "|" + ui->sendMsgLine->text();

QByteArray message;

//以只读打开QByteArray，并设置版本，服务端客户端要一致

QDataStream out(&message,QIODevice::WriteOnly);

out.setVersion(QDataStream::Qt_5_14);

//写入输出流

out << string;

qDebug() << "发送方-"+myAccount + ": " << string;

//发送信息

tcpsocket->write(message);

//面板添加信息

ui->chatDisplay->append(tr("%1 :%2").arg(ui->sendMsgLine->text()).arg(myAccount)); //添加消息

ui->chatDisplay->setAlignment(Qt::AlignRight); //此条要在添加消息后面，否则前一条消息跟着改变

//qDebug() << tr("%1 -> %2: %3").arg(myAccount).arg(yourAccount).arg(ui->sendMsgLine->text());

ui->sendMsgLine->clear();

QString string = "init";

QByteArray message;

//以只读打开QByteArray，并设置版本，服务端客户端要一致

QDataStream out(&message,QIODevice::WriteOnly);

out.setVersion(QDataStream::Qt_5_14);

//写入输出流

out << string;

qDebug() << "发送方-"+myAccount + ": " << string;

//发送信息

tcpsocket->write(message);