1 /**定義兩個人的頭像*/ 2 Myhead = "<img src=qrc:/chatdemo/Msg/Head.png width='30px'heigth='30px'>"; 3 QString strHead = QString("C:/Users/tax10_000/Desktop/ql_184555_828078.jpg"); 4 otherhead = QString ("<img src=%1 width='30px' heigth='30px'>").arg(strHead);
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1 void chatdemo::slot_btnpicClicked() 2 { 3 QString FilePath = QFileDialog::getOpenFileName(); 4 QFile file( FilePath ); 5 bool ok = file.open( QIODevice::ReadOnly ); 6 if( !ok ) { return; } 7 QString msg = QString("<img src=%1 />") 8 .arg( FilePath ); 9 QString MyHead = QString("<img src=%1 width='30px' heigth='30px'/>").arg(FilePath); 10 QString Msg = QString ("<img src=qrc:/chatdemo/Msg/downloading.jpg/>"); 11 SendMsgShow(msg,MyHead); 12 RevMsgShow( Msg,otherhead); 13 14 }1 15 2 16 3 17 4 18 5 19 6 20 7 21 8 22 9 23 10 24 11 25 12 26 13 27 14 28 29 30 31 下面這個函數的功能是當LineEdit中有內容時,將LineEdit中的內容顯示在界面上並清除LineEdit中的內容,如果發送是“你好”或者“時間”時,假設對方會回答你。 32 33 void chatdemo::slot_lineEditReturnpressed() 34 { 35 if( m_ui.lineEdit->text() == NULL ) 36 { 37 QMessageBox::warning( this , "warning","Can't send an empty msg!" ); 38 return; 39 } 40 /**自己發送的消息*/ 41 SendMsgShow( m_ui.lineEdit->text() , Myhead ); 42 43 if( m_ui.lineEdit->text() == QString::fromLocal8Bit("你好") ) 44 { 45 RevMsgShow( QString::fromLocal8Bit( "請問有什么可以幫助你嗎?" ), otherhead ); 46 } 47 else if(m_ui.lineEdit->text() == QString::fromLocal8Bit( "時間" ) ) 48 { 49 RevMsgShow( QString::fromLocal8Bit( "北京時間:%1" ) 50 .arg( QTime::currentTime().toString( "hh:mm:ss" ) ), otherhead ); 51 } 52 53 m_ui.lineEdit->clear(); 54 }
