qt QMessageBox QInputDialog

时间:2024-08-07 14:06:02

最近用到了QMessgaeBox和QInputDialog,QMessageBox用于提示,警告等消息,QInputDialog给用户弹出输入对话框。

参考链接

http://chenboqiang.blog.51cto.com/1068057/321900

http://blog.****.net/xgbing/article/details/7828212

http://devbean.blog.51cto.com/448512/219338/

QMessageBox

  QMessageBox::StandardButton reply;
reply = QMessageBox::warning(NULL, // parent
"warning", // title
"Are you sure to erase the EMMC?", // text
QMessageBox::Yes|QMessageBox::No, // 有几个选项,这里有YES,和NO
QMessageBox::No); // 默认选项是NO
if (reply == QMessageBox::Yes) //选项的判断
{
...
...
}
else if (reply == QMessageBox::No)
{
...
...
}

QInputDialog

    QString text = QInputDialog::getText(NULL, "Password",
"Please input password",
// QLineEdit::Password, //输入的是密码,不显示明文
QLineEdit::Normal, //输入框明文
NULL,
&isOK); if(isOK) {
QMessageBox::information(NULL, "Information",
"Your comment is: <b>" + text + "</b>",
QMessageBox::Yes | QMessageBox::No,
QMessageBox::Yes);
}

Tony Liu

2016-11-14, Shenzhen