做了一些修改

TcpClient.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 6.0.2, 2023-01-14T14:51:27. -->
+<!-- Written by QtCreator 6.0.2, 2023-01-15T17:08:29. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

datamanager.cpp

@@ -9,6 +9,7 @@ DataManager::DataManager(QObject *parent)
     connect(tcpclient, &TCPClient::TCPClientDisconnected, this, &DataManager::TCPClientDisconnected);
     connect(tcpclient, &TCPClient::recv_data, this, &DataManager::recv_from_server);
     tcpclient->setServer("ourdocs.cn",35137);
+    tcpclient->setTimeOut(500);
     tcpclient->configAndrun();
     // tcpclient->setCallBack(recv_from_server);
     protocol = Protocol::getInstance();

mainwidget.cpp

@@ -78,7 +78,7 @@ void MainWidget::on_send_text_clicked()
             QString currentTime = QTime::currentTime().toString("H:mm A");
             QString html = "<a href=\"file:///" + filePath + "\">" + filename + "</a>";
             qDebug() << html;
-            ui->textEdit->append("<span><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] send a file \"" + html + "\"</b></font></span>");
+            ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] send a file \"" + html + "\"</b></font></p>");
             this->sendFile(filePath,filename);
         }
         else  //私发文件
@@ -108,7 +108,7 @@ void MainWidget::on_send_text_clicked()
                 QString currentTime = QTime::currentTime().toString("H:mm A");
                 QString html = "<a href=\"file:///" + filePath + "\">" + filename + "</a>";
                 qDebug() << html;
-                ui->textEdit->append("<span><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] send " + name + " a private file \"" + html + "\"</b></font><span>");
+                ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] send " + name + " a private file \"" + html + "\"</b></font><p>");
                 this->sendFile(filePath,filename,name);
             }
         }
@@ -207,14 +207,14 @@ void MainWidget::on_send_btn_clicked()
         else
         {
             QString currentTime = QTime::currentTime().toString("H:m A");
-            ui->textEdit->append("<span><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] </b> " + text_self + "</font></span>");
+            ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] </b> " + text_self + "</font></p>");
             emit send_to_user(username,to_user,data_text);
         }
     }
     else
     {
         QString currentTime = QTime::currentTime().toString("H:m A");
-        ui->textEdit->append("<span><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] :</b> " + text + "</font></span>");
+        ui->textEdit->append("<p><font color=\"MediumBlue\"><b>" + username + " [" + currentTime + "] :</b> " + text + "</font></p>");
         emit send_text(username,text);
     }
 }
@@ -272,7 +272,7 @@ void MainWidget::on_stop_clicked()
 void MainWidget::update_text(QString sendname,QString data)
 {
     QString currentTime = QTime::currentTime().toString("H:m A");
-    ui->textEdit->append("<span>" + sendname + " [" + currentTime + "] : " + data + "</span>");
+    ui->textEdit->append("<p>" + sendname + " [" + currentTime + "] : " + data + "</p>");
     qDebug() << sendname + " [" + currentTime + "] : " + data;
 }
 
@@ -281,7 +281,7 @@ void MainWidget::update_file(QString sendname,QString filename,QString file_data
     readFile(filename,QByteArray::fromHex(file_data.toUtf8()));
     QString currentTime = QTime::currentTime().toString("H:m A");
     QString html = "<a href=\"file:///./Document/" + filename + "\">" + filename + "</a>";
-    QString msg = "<span>" + username + " [" + currentTime + "] : " + QString("收到了一个来自%1的群发文件:").arg(sendname) + html + "</span>";
+    QString msg = "<p>" + username + " [" + currentTime + "] : " + QString("收到了一个来自%1的群发文件:").arg(sendname) + html + "</p>";
     ui->textEdit->append(msg);
     qDebug() << msg;
 }
@@ -291,7 +291,7 @@ void MainWidget::update_file_private(QString sendname,QString filename,QString f
     readFile(filename,QByteArray::fromHex(file_data.toUtf8()));
     QString currentTime = QTime::currentTime().toString("H:m A");
     QString html = "<a href=\"file:///./Document/" + filename + "\">" + filename + "</a>";
-    QString msg = "<span>" + username + " [" + currentTime + "] : " + QString("收到了一个来自%1的私发文件:").arg(sendname) + html + "</span>";
+    QString msg = "<p>" + username + " [" + currentTime + "] : " + QString("收到了一个来自%1的私发文件:").arg(sendname) + html + "</p>";
     ui->textEdit->append(msg);
     qDebug() << msg;
 }

tcpclient.cpp

@@ -70,7 +70,7 @@ void TCPClient::readSocket()
     while(socket.bytesAvailable())//循环接收
     {
         recv += socket.readAll();
-        if (!socket.waitForReadyRead(500))//超时停止接收
+        if (!socket.waitForReadyRead(_timeout))//超时停止接收
         {
             /*QString error = sock->errorString();
                 string error_t =  error.toStdString();
@@ -87,6 +87,12 @@ void TCPClient::readSocket()
     emit recv_data(recv);
 }
 
+void TCPClient::setTimeOut(int timeout)
+{
+    _timeout = timeout;
+}
+
+
 void TCPClient::setCallBack(void (*callback)(QString &mac, quint16 port, QByteArray &data))
 {
     _callback = callback;

tcpclient.h

@@ -14,6 +14,7 @@ public:
     void configAndrun();
     void setCallBack(void (*callback)(QString &ip, quint16 port,QByteArray &data));
     void setServer(QString IP, quint16 port);
+    void setTimeOut(int timeout);
 private slots:
     void readSocket();
     void connected();
@@ -24,6 +25,7 @@ private:
     static void _sleep(int msec);
     static QTcpSocket socket;
     static TCPClient tcpclient_instance;
+    int _timeout = 20;
     QString server_ip = "127.0.0.1";
     quint16 server_port = 7890;
     bool has_found = false;