參考博客:以下內容摘抄以下鏈接大神博客:
https://blog.csdn.net/zjx1230/article/details/83715421
QMessageBox::warning(this,"Search String","Please enter a search string",QObject::tr("確定"));
參考博客:以下內容摘抄以下鏈接大神博客:
https://blog.csdn.net/zjx1230/article/details/83715421
QMessageBox::warning(this,"Search String","Please enter a search string",QObject::tr("確定"));
QString str = ui->textEdit->toPlainText(); qDebug()<<"str=="<<str; }
這個時候直接在你加載圖片的那個label中使用如下代碼:清除label中加載過來的圖片 label.clear();