增加发送文字信息

2022-11-15 13:25:00 +08:00 · 2022-11-15 13:25:00 +08:00 · 2b7a62b8c1
parent 4322e27ea6
commit 2b7a62b8c1
6 changed files with 93 additions and 36 deletions
--- a/BIN
+++ b/BIN
--- a/README.md
+++ b/README.md
@ -1,9 +1,9 @@
 # File Trans
-基于 Qt Socket 的文件传输软件。  
+基于 Qt Socket 的文件传输和消息发送软件。  
 FileTrans 程序在 64 位 Linux 系统 Qt5.15.2 编译。

 ## 界面
-![alt](preview.jpg)  
+![alt](preview.png)  
 [Android版](https://gitee.com/sonichy/filetrans_android)

 ## 参考
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@ -88,7 +88,8 @@ void MainWindow::newConnect()
    connect(tcpSocket, &QTcpSocket::disconnected, [=](){
        qDebug() << state;
        if (state == 0) {
-            state = 1;
+            if (type == "file")
+                state = 1;
        } else {
            file.close();            
            file.open(QIODevice::ReadOnly);
@ -115,18 +116,24 @@ void MainWindow::readyRead()
        QString s = BA;
        QJsonParseError JPE;
        QJsonDocument JD = QJsonDocument::fromJson(s.toUtf8(), &JPE);
-        QString fileName = "?";
+        QString fileName = "?";       
        if (JPE.error == QJsonParseError::NoError) {
-            if (JD.isObject()) {
+            if (JD.isObject()) {                
                QJsonObject JO = JD.object();
-                fileName = JO.value("fileName").toString();
-                lastModified = JO.value("lastModified").toDouble()/1000;
+                type = JO.value("type").toString();
+                if (type == "text") {
+                    QString message = JO.value("message").toString();
+                    ui->textBrowser->append("[" + QDateTime::currentDateTime().toString("HH:mm:ss") + "] " + "接收：" + message);
+                } else if(type == "file") {
+                    fileName = JO.value("fileName").toString();
+                    lastModified = JO.value("lastModified").toDouble()/1000;
+                    ui->textBrowser->append("[" + QDateTime::currentDateTime().toString("HH:mm:ss") + "] " + "接收：" + fileName);
+                    QString filepath = ui->lineEdit_root_dir->text() + "/" + fileName;
+                    file.setFileName(filepath);
+                    file.open(QIODevice::WriteOnly);
+                }
            }
        }
-        ui->textBrowser->append("[" + QDateTime::currentDateTime().toString("HH:mm:ss") + "] " + "接收：" + fileName);
-        QString filepath = ui->lineEdit_root_dir->text() + "/" + fileName;
-        file.setFileName(filepath);
-        file.open(QIODevice::WriteOnly);
    } else {
        file.write(BA);        
        length += BA.length();
@ -153,6 +160,31 @@ QString MainWindow::BS(long b)
    return s;
 }

+void MainWindow::on_pushButton_send_pressed()
+{
+    QString s = ui->lineEdit_message->text();
+    if (s == "")
+        return;
+    qint64 port = ui->lineEdit_port->text().toInt();
+    QTcpSocket *tcpSocket1 = new QTcpSocket(this);
+    connect(tcpSocket1, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error), [=](QAbstractSocket::SocketError socketError){
+        qDebug() << socketError;
+        QMetaEnum metaEnum = QMetaEnum::fromType<QAbstractSocket::SocketError>();
+        QString errorString = metaEnum.valueToKey(socketError);
+        ui->textBrowser->append("[" + QDateTime::currentDateTime().toString("HH:mm:ss") + "] " + errorString);
+    });
+    tcpSocket1->connectToHost(QHostAddress(ui->lineEdit_ip->text()), port);
+    connect(tcpSocket1, &QTcpSocket::connected, [=](){
+        QJsonObject JO;
+        JO.insert("type", "text");
+        JO.insert("message", s);
+        QString s = QJsonDocument(JO).toJson(QJsonDocument::Compact);
+        tcpSocket1->write(s.toUtf8());
+        tcpSocket1->close();
+        ui->textBrowser->append("[" + QDateTime::currentDateTime().toString("HH:mm:ss") + "] 发送：" + s);
+    });
+}
+
 void MainWindow::upload(QString filepath)
 {
    if (ui->lineEdit_ip->text() == IP) {
@ -172,6 +204,7 @@ void MainWindow::upload(QString filepath)
    connect(tcpSocket1, &QTcpSocket::connected, [=](){
        QString fileName = QFileInfo(filepath).fileName();
        QJsonObject JO;
+        JO.insert("type", "file");
        JO.insert("fileName", fileName);
        JO.insert("lastModified", static_cast<qint64>(QFileInfo(filepath).lastModified().toTime_t())*1000);
        QString s = QJsonDocument(JO).toJson(QJsonDocument::Compact);
--- a/mainwindow.h
+++ b/mainwindow.h
@ -35,13 +35,13 @@ public:
 private:
    Ui::MainWindow *ui;
    QSettings settings;
-    QString IP, path;
+    QString IP, path, type;
    QTcpServer *tcpServer;
    QTcpSocket *tcpSocket;
    int state;
    QFile file;
    qint64 length, port_local;
-    QString BS(long b);
+    QString BS(long b);    
    void upload(QString filepath);
    double lastModified = 0;
    void dragEnterEvent(QDragEnterEvent*);
@ -50,6 +50,7 @@ private:
 private slots:
    void newConnect();
    void readyRead();
+    void on_pushButton_send_pressed();

 };

--- a/mainwindow.ui
+++ b/mainwindow.ui
@ -40,10 +40,10 @@
        </property>
       </widget>
      </item>
-      <item row="2" column="0">
-       <widget class="QLabel" name="label">
+      <item row="4" column="0">
+       <widget class="QLabel" name="label_5">
        <property name="text">
-         <string>Port</string>
+         <string>信息</string>
        </property>
        <property name="alignment">
         <set>Qt::AlignCenter</set>
@ -60,23 +60,6 @@
        </property>
       </widget>
      </item>
-      <item row="0" column="0">
-       <widget class="QLabel" name="label_4">
-        <property name="text">
-         <string>本机</string>
-        </property>
-        <property name="alignment">
-         <set>Qt::AlignCenter</set>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="1" colspan="2">
-       <widget class="QLabel" name="label_local">
-        <property name="text">
-         <string>ip:port</string>
-        </property>
-       </widget>
-      </item>
      <item row="2" column="1" colspan="2">
       <widget class="QLineEdit" name="lineEdit_port">
        <property name="acceptDrops">
@ -87,6 +70,23 @@
        </property>
       </widget>
      </item>
+      <item row="0" column="1" colspan="2">
+       <widget class="QLabel" name="label_local">
+        <property name="text">
+         <string>ip:port</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>Port</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+       </widget>
+      </item>
      <item row="3" column="1" colspan="2">
       <widget class="QLineEdit" name="lineEdit_root_dir">
        <property name="acceptDrops">
@ -94,7 +94,30 @@
        </property>
       </widget>
      </item>
-      <item row="1" column="1">
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_4">
+        <property name="text">
+         <string>本机</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="1">
+       <widget class="QLineEdit" name="lineEdit_message"/>
+      </item>
+      <item row="4" column="2">
+       <widget class="QPushButton" name="pushButton_send">
+        <property name="text">
+         <string>发送</string>
+        </property>
+        <property name="flat">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1" colspan="2">
       <widget class="QLineEdit" name="lineEdit_ip">
        <property name="acceptDrops">
         <bool>false</bool>
@ -121,7 +144,7 @@
      <item>
       <widget class="QPushButton" name="pushButton_start">
        <property name="text">
-         <string>Start</string>
+         <string>启动</string>
        </property>
        <property name="checkable">
         <bool>true</bool>
@ -138,7 +161,7 @@
      <item>
       <widget class="QPushButton" name="pushButton_clear">
        <property name="text">
-         <string>Clear</string>
+         <string>清除</string>
        </property>
       </widget>
      </item>
--- a/preview.jpg
+++ b/preview.jpg