擅长:python、mysql、java
<pre><code>QWidget *pWin = QApplication::activeWindow();
for( int i=1; i<=21; i++ ) {
QString strName ="LineEdit"+QString::number(i);
QLineEdit *le = pWin->findChild<QLineEdit *>(strName);
if( le ) le->setText("Value = "+Qstring::number(i) );
}
</code></pre>