void MainWindow::on_textEdit_textChanged()
{
cout << ui->textEdit->toPlainText().toStdString() << endl;
}
在QTextEdit响应回调中:
通过ui指针拿到QTextEdit对象,
ui->textEdit
获取输入内容(QString),
ui->textEdit->toPlainText()
QString转换为std::string,
ui->textEdit->toPlainText().toStdString()
输出到控制台:
cout << ui->textEdit->toPlainText().toStdString() << endl;
std::string转为QString
QString str = QString::fromStdString("std string")