改进代码

nettool/api/tcpserver.cpp

@@ -44,6 +44,7 @@ bool TcpServer::start()
 void TcpServer::stop()
 {
     remove();
+    this->disconnected();
     this->close();
 }
 

nettool/form/frmtcpclient.cpp

@@ -22,7 +22,7 @@ void frmTcpClient::initForm()
     socket = new QTcpSocket(this);
     connect(socket, SIGNAL(connected()), this, SLOT(connected()));
 #if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
-    connect(socket, SIGNAL(errorOccurred(QAbstractSocket::SocketError)),this, SLOT(disconnected()));
+    connect(socket, SIGNAL(errorOccurred(QAbstractSocket::SocketError)), this, SLOT(disconnected()));
 #else
     connect(socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(disconnected()));
 #endif
@@ -143,10 +143,13 @@ void frmTcpClient::append(int type, const QString &data, bool clear)
     QString strType;
     if (type == 0) {
         strType = "发送";
-        ui->txtMain->setTextColor(QColor("darkgreen"));
+        ui->txtMain->setTextColor(QColor("#22A3A9"));
-    } else {
+    } else if (type == 1) {
         strType = "接收";
-        ui->txtMain->setTextColor(QColor("red"));
+        ui->txtMain->setTextColor(QColor("#D64D54"));
+    } else {
+        strType = "信息";
+        ui->txtMain->setTextColor(QColor("#A279C5"));
     }
 
     strData = QString("时间[%1] %2: %3").arg(TIMEMS).arg(strType).arg(strData);
@@ -159,14 +162,20 @@ void frmTcpClient::connected()
     isOk = true;
     ui->btnConnect->setText("断开");
     append(0, "服务器连接");
+    append(2, QString("本地地址: %1  本地端口: %2").arg(socket->localAddress().toString()).arg(socket->localPort()));
+    append(2, QString("远程地址: %1  远程端口: %2").arg(socket->peerAddress().toString()).arg(socket->peerPort()));
 }
 
 void frmTcpClient::disconnected()
 {
     isOk = false;
-    socket->abort();
+    //socket->abort();
     ui->btnConnect->setText("连接");
     append(1, "服务器断开");
+    //打印下可能的错误信息
+    if (socket->error() != QTcpSocket::UnknownSocketError) {
+        append(2, socket->errorString());
+    }
 }
 
 void frmTcpClient::readData()
@@ -218,10 +227,13 @@ void frmTcpClient::on_btnConnect_clicked()
 {
     if (ui->btnConnect->text() == "连接") {
         //断开所有连接和操作
-        socket->abort();
+        socket->abort();        
         //绑定网卡和端口
+        //有个后遗症,关闭连接或者关闭程序后还会保持几分钟导致不能重复绑定
+        //提示 The bound address is already in use
+        //参考 https://www.cnblogs.com/baiduboy/p/7426822.html
 #if (QT_VERSION >= QT_VERSION_CHECK(5,0,0))
-        socket->bind(QHostAddress(AppConfig::TcpBindIP), AppConfig::TcpBindPort);
+        //socket->bind(QHostAddress(AppConfig::TcpBindIP), AppConfig::TcpBindPort);
 #endif
         //连接服务器
         socket->connectToHost(AppConfig::TcpServerIP, AppConfig::TcpServerPort);

nettool/form/frmtcpserver.cpp

@@ -7,6 +7,7 @@ frmTcpServer::frmTcpServer(QWidget *parent) : QWidget(parent), ui(new Ui::frmTcp
     ui->setupUi(this);
     this->initForm();
     this->initConfig();
+    on_btnListen_clicked();
 }
 
 frmTcpServer::~frmTcpServer()
@@ -129,10 +130,13 @@ void frmTcpServer::append(int type, const QString &data, bool clear)
     QString strType;
     if (type == 0) {
         strType = "发送";
-        ui->txtMain->setTextColor(QColor("darkgreen"));
+        ui->txtMain->setTextColor(QColor("#22A3A9"));
-    } else {
+    } else if (type == 1) {
         strType = "接收";
-        ui->txtMain->setTextColor(QColor("red"));
+        ui->txtMain->setTextColor(QColor("#D64D54"));
+    } else {
+        strType = "信息";
+        ui->txtMain->setTextColor(QColor("#A279C5"));
     }
 
     strData = QString("时间[%1] %2: %3").arg(TIMEMS).arg(strType).arg(strData);

nettool/form/frmudpclient.cpp

@@ -128,10 +128,13 @@ void frmUdpClient::append(int type, const QString &data, bool clear)
     QString strType;
     if (type == 0) {
         strType = "发送";
-        ui->txtMain->setTextColor(QColor("darkgreen"));
+        ui->txtMain->setTextColor(QColor("#22A3A9"));
-    } else {
+    } else if (type == 1) {
         strType = "接收";
-        ui->txtMain->setTextColor(QColor("red"));
+        ui->txtMain->setTextColor(QColor("#D64D54"));
+    } else {
+        strType = "信息";
+        ui->txtMain->setTextColor(QColor("#A279C5"));
     }
 
     strData = QString("时间[%1] %2: %3").arg(TIMEMS).arg(strType).arg(strData);
@@ -190,7 +193,8 @@ void frmUdpClient::sendData(const QString &ip, int port, const QString &data)
         buffer = data.toUtf8();
     }
 
-    //绑定网卡和端口
+    //绑定网卡和端口,没有绑定过才需要绑定
+    //采用端口是否一样来判断是为了方便可以直接动态绑定切换端口
     if (socket->localPort() != AppConfig::UdpBindPort) {
         socket->abort();
         socket->bind(QHostAddress(AppConfig::UdpBindIP), AppConfig::UdpBindPort);

nettool/form/frmudpserver.cpp

@@ -7,6 +7,7 @@ frmUdpServer::frmUdpServer(QWidget *parent) : QWidget(parent), ui(new Ui::frmUdp
     ui->setupUi(this);
     this->initForm();
     this->initConfig();
+    on_btnListen_clicked();
 }
 
 frmUdpServer::~frmUdpServer()
@@ -124,10 +125,13 @@ void frmUdpServer::append(int type, const QString &data, bool clear)
     QString strType;
     if (type == 0) {
         strType = "发送";
-        ui->txtMain->setTextColor(QColor("darkgreen"));
+        ui->txtMain->setTextColor(QColor("#22A3A9"));
-    } else {
+    } else if (type == 1) {
         strType = "接收";
-        ui->txtMain->setTextColor(QColor("red"));
+        ui->txtMain->setTextColor(QColor("#D64D54"));
+    } else {
+        strType = "信息";
+        ui->txtMain->setTextColor(QColor("#A279C5"));
     }
 
     strData = QString("时间[%1] %2: %3").arg(TIMEMS).arg(strType).arg(strData);

nettool/form/frmwebclient.cpp

@@ -130,10 +130,13 @@ void frmWebClient::append(int type, const QString &data, bool clear)
     QString strType;
     if (type == 0) {
         strType = "发送";
-        ui->txtMain->setTextColor(QColor("darkgreen"));
+        ui->txtMain->setTextColor(QColor("#22A3A9"));
-    } else {
+    } else if (type == 1) {
         strType = "接收";
-        ui->txtMain->setTextColor(QColor("red"));
+        ui->txtMain->setTextColor(QColor("#D64D54"));
+    } else {
+        strType = "信息";
+        ui->txtMain->setTextColor(QColor("#A279C5"));
     }
 
     strData = QString("时间[%1] %2: %3").arg(TIMEMS).arg(strType).arg(strData);
@@ -146,14 +149,20 @@ void frmWebClient::connected()
     isOk = true;
     ui->btnConnect->setText("断开");
     append(0, "服务器连接");
+    append(2, QString("本地地址: %1  本地端口: %2").arg(socket->localAddress().toString()).arg(socket->localPort()));
+    append(2, QString("远程地址: %1  远程端口: %2").arg(socket->peerAddress().toString()).arg(socket->peerPort()));
 }
 
 void frmWebClient::disconnected()
 {
     isOk = false;
-    socket->abort();
+    //socket->abort();
     ui->btnConnect->setText("连接");
     append(1, "服务器断开");
+    //打印下可能的错误信息
+    if (socket->error() != QTcpSocket::UnknownSocketError) {
+        append(2, socket->errorString());
+    }
 }
 
 void frmWebClient::sendData(const QString &data)

nettool/form/frmwebserver.cpp

@@ -7,6 +7,7 @@ frmWebServer::frmWebServer(QWidget *parent) : QWidget(parent), ui(new Ui::frmWeb
     ui->setupUi(this);
     this->initForm();
     this->initConfig();
+    on_btnListen_clicked();
 }
 
 frmWebServer::~frmWebServer()
@@ -129,10 +130,13 @@ void frmWebServer::append(int type, const QString &data, bool clear)
     QString strType;
     if (type == 0) {
         strType = "发送";
-        ui->txtMain->setTextColor(QColor("darkgreen"));
+        ui->txtMain->setTextColor(QColor("#22A3A9"));
-    } else {
+    } else if (type == 1) {
         strType = "接收";
-        ui->txtMain->setTextColor(QColor("red"));
+        ui->txtMain->setTextColor(QColor("#D64D54"));
+    } else {
+        strType = "信息";
+        ui->txtMain->setTextColor(QColor("#A279C5"));
     }
 
     strData = QString("时间[%1] %2: %3").arg(TIMEMS).arg(strType).arg(strData);