feat: 实现 TcpServer 的部分功能函数

QtTcpEx/ExTcpServer/ExTcpServer.cpp

@@ -12,3 +12,94 @@ ExTcpServer::~ExTcpServer()
 {
     delete ui;
 }
+
+void ExTcpServer::closeEvent(QCloseEvent *event)   //关闭窗口时候停止监听
+{
+    if (m_tcpServer->isListening())
+        m_tcpServer->close();
+
+    event->accept();
+}
+
+void ExTcpServer::on_actStart_triggered()
+{
+    QString Ip = ui->comboBox->currentText();
+    quint16 port = ui->spinBox->value();
+
+    QHostAddress addr(Ip);
+    m_tcpServer->listen(addr, port);  //监听指定的 IP 和指定的 port
+    ui->plainTextEdit->appendPlainText("服务器地址为:" + m_tcpServer->serverAddress().toString() + "   服务器端口：" + QString::number(m_tcpServer->serverPort()));
+    ui->plainTextEdit->appendPlainText("开始监听...");
+
+    ui->actStart->setEnabled(false);
+    ui->actStop->setEnabled(true);
+    m_labListen->setText("监听状态：正在监听...");
+}
+
+void ExTcpServer::on_actStop_triggered()
+{
+    if (!m_tcpServer->isListening())
+        return;
+
+    m_tcpServer->close();  //停止监听
+
+    ui->actStart->setEnabled(true);
+    ui->actStop->setEnabled(false);
+    m_labListen->setText("监听状态：监听已经停止");
+}
+
+void ExTcpServer::on_actClear_triggered()
+{
+    ui->plainTextEdit->clear();
+}
+
+void ExTcpServer::on_actQuit_triggered()
+{
+    close();
+}
+
+void ExTcpServer::on_btnSend_clicked()
+{
+
+}
+
+
+
+void ExTcpServer::on_actHostInfo_triggered()
+{
+    QString hostName = QHostInfo::localHostName();
+    QHostInfo hostInfo = QHostInfo::fromName(hostName);
+    ui->plainTextEdit->appendPlainText("本机主机名：" + hostName);
+
+    QList<QHostAddress> list = hostInfo.addresses();
+
+    if (list.empty())
+        return;
+
+    foreach (QHostAddress addr, list) {
+        if (addr.protocol() == QAbstractSocket::IPv4Protocol) {
+            ui->plainTextEdit->appendPlainText("本机 IP 地址：" + addr.toString());
+
+            if (ui->comboBox->findText(addr.toString()) < 0)  //下拉列表没有的就添加进去
+                ui->comboBox->addItem(addr.toString());
+        }
+    }
+}
+
+void ExTcpServer::onSocketReadyRead()
+{
+
+}
+
+void ExTcpServer::onClientConnected()    //客户端连接时
+{
+    ui->plainTextEdit->appendPlainText("客户端套接字连接\n对等(peer)地址：" + m_tcpSocket->peerAddress().toString()
+                                       + "    对等(peer)端口：" +  QString::number(m_tcpSocket->peerPort()));
+
+}
+
+void ExTcpServer::onClientDisonnected()  //客户端断开连接时
+{
+    ui->plainTextEdit->appendPlainText("客户端套接字断开");
+    m_tcpSocket->deleteLater();
+}

QtTcpEx/ExTcpServer/ExTcpServer.h

@@ -2,6 +2,10 @@
 #define EXTCPSERVER_H
 
 #include <QMainWindow>
+#include <QLabel>
+#include <QTcpServer>
+#include <QTcpSocket>
+#include <QHostInfo>
 
 namespace Ui {
 class ExTcpServer;
@@ -15,8 +19,38 @@ public:
     explicit ExTcpServer(QWidget *parent = nullptr);
     ~ExTcpServer();
 
+private:
+    QString getLocalIp();      //获取本机 IP
+
+protected:
+    void closeEvent(QCloseEvent* event);
+
+
+
+private slots:
+//UI的槽函数
+    void on_actStart_triggered();      //开始监听
+    void on_actStop_triggered();       //停止监听
+    void on_actClear_triggered();      //清除文本框内容
+    void on_actQuit_triggered();       //退出程序
+    void on_btnSend_clicked();         //发送消息
+    void on_actHostInfo_triggered();   //获取本机的 name 和 IP
+
+//自定义的槽函数
+    void onSocketReadyRead();          //读取 socket 传入时候的数据
+    void onClientConnected();          //client socket conneted
+    void onClientDisonnected();        //client socket disconneted
+
+
 private:
     Ui::ExTcpServer *ui;
+
+    QLabel* m_labListen;
+    QLabel* m_labSocket;
+    QTcpServer* m_tcpServer;
+    QTcpSocket* m_tcpSocket;
+
+
 };
 
 #endif // EXTCPSERVER_H

QtTcpEx/ExTcpServer/ExTcpServer.pro

@@ -4,7 +4,7 @@
 #
 #-------------------------------------------------
 
-QT       += core gui
+QT       += core gui network
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
@@ -51,8 +51,7 @@ qnx: target.path = /tmp/$${TARGET}/bin
 else: unix:!android: target.path = /opt/$${TARGET}/bin
 !isEmpty(target.path): INSTALLS += target
 
-DISTFILES += \
+DISTFILES +=
-    images/Image2.jpg \
+
-    images/Image1.png \
+RESOURCES += \
-    images/Image3.png \
+    images/resources.qrc
-    images/Image6.png

QtTcpEx/ExTcpServer/ExTcpServer.ui

@@ -102,15 +102,81 @@
    </property>
   </widget>
   <widget class="QToolBar" name="mainToolBar">
+   <property name="toolButtonStyle">
+    <enum>Qt::ToolButtonFollowStyle</enum>
+   </property>
    <attribute name="toolBarArea">
     <enum>TopToolBarArea</enum>
    </attribute>
    <attribute name="toolBarBreak">
     <bool>false</bool>
    </attribute>
+   <addaction name="actStart"/>
+   <addaction name="actStop"/>
+   <addaction name="actClear"/>
+   <addaction name="actQuit"/>
   </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+  <action name="actStart">
+   <property name="icon">
+    <iconset resource="images/resources.qrc">
+     <normaloff>:/Image6.png</normaloff>:/Image6.png</iconset>
+   </property>
+   <property name="text">
+    <string>开始监听</string>
+   </property>
+   <property name="toolTip">
+    <string>开始监听</string>
+   </property>
+  </action>
+  <action name="actStop">
+   <property name="icon">
+    <iconset resource="images/resources.qrc">
+     <normaloff>:/Image3.png</normaloff>:/Image3.png</iconset>
+   </property>
+   <property name="text">
+    <string>停止监听</string>
+   </property>
+   <property name="toolTip">
+    <string>停止监听</string>
+   </property>
+  </action>
+  <action name="actClear">
+   <property name="icon">
+    <iconset resource="images/resources.qrc">
+     <normaloff>:/Image1.png</normaloff>:/Image1.png</iconset>
+   </property>
+   <property name="text">
+    <string>清除</string>
+   </property>
+   <property name="toolTip">
+    <string>清除文本</string>
+   </property>
+  </action>
+  <action name="actQuit">
+   <property name="icon">
+    <iconset resource="images/resources.qrc">
+     <normaloff>:/Image2.jpg</normaloff>:/Image2.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>退出</string>
+   </property>
+   <property name="toolTip">
+    <string>退出程序</string>
+   </property>
+  </action>
+  <action name="actHostInfo">
+   <property name="text">
+    <string>本机地址</string>
+   </property>
+   <property name="toolTip">
+    <string>获取本机地址</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
- <resources/>
+ <resources>
+  <include location="images/resources.qrc"/>
+ </resources>
  <connections/>
 </ui>

QtTcpEx/ExTcpServer/images/resources.qrc

@@ -0,0 +1,8 @@
+<RCC>
+    <qresource prefix="/">
+        <file>Image6.png</file>
+        <file>Image3.png</file>
+        <file>Image2.jpg</file>
+        <file>Image1.png</file>
+    </qresource>
+</RCC>