QT之lineedit使用(輸入輸出,顯示時間)
1、lineedit輸入、輸出
輸入:
QString a = ui->lineEdit->text();
輸出:
ui->lineEdit->setText("Qt");
2、lineedit實時顯示時間
ui->TmieEdit->setText(QDateTime::currentDataTime().toString("yyyy-MM-dd hh:mm:ss"));
timer = new QTimer(this);
connect(timer,SIGNAL(timeout()),this,SLOT(timeSlot()));
timer->start(1000);