高程去airmap网站的api读取

App/MenuBarUI/MenuBarUI.cpp

@@ -28,8 +28,6 @@ void myMessageOutput(QtMsgType type, const QMessageLogContext &context, const QS
     QTextCursor cursor=log_te->textCursor();
     cursor.movePosition(QTextCursor::End);
     log_te->setTextCursor(cursor);
-
-
 }
 
 
@@ -47,11 +45,19 @@ MenuBarUI::MenuBarUI(QWidget *parent) :
     this->setStyleSheet(stylesheet);
     file.close();
 
-    ui->textBrowser->setText( tr("Starting...\n"));
+
     //log_te = ui->textBrowser;
 
     //qInstallMessageHandler(myMessageOutput);
 
+    MessageTimer = new QTimer(this);
+
+    connect(MessageTimer,SIGNAL(timeout()),
+            this,SLOT(MessageTimeOut()));
+
+
+    showMessage(tr("Starting...\n"),5000);
+
 }
 
 MenuBarUI::~MenuBarUI()
@@ -89,3 +95,46 @@ void MenuBarUI::on_pushButton_Info_clicked()
 {
     emit IndexChanged(4);
 }
+
+void MenuBarUI::showMessage(const QString &message, int TimeOut)
+{
+    ui->label_Status->setText(message);
+    //这句：如果小于0，那么不生成定时器，减少内存开支，因为小于0时，定时器永远不会触发
+    if(TimeOut > 0)
+    {
+        if(MessageTimer->isActive())
+        {
+            MessageTimer->stop();
+        }
+        MessageTimer->start(TimeOut);
+    }
+    else
+    {
+        if(MessageTimer->isActive())
+        {
+            MessageTimer->stop();
+        }
+    }
+}
+
+void MenuBarUI::clearMessage()
+{
+    ui->label_Status->clear();
+}
+
+
+void MenuBarUI::MessageTimeOut(void)
+{
+    if(MessageTimer->isActive())
+    {
+        MessageTimer->stop();
+    }
+   clearMessage();
+}
+
+
+
+
+
+
+