QInputDialog Multiple Inputs 输入多个变量的对话框

在之前的博客QInputDialog 使用方法中展示了利用QInputDialog可以快速通过一行代码来生成一个输入框，来获取用户的输入值，那么如果我们希望获取多个输入值，怎么办呢？那么此时用QInputDialog就没法实现了，我们必须基于QDialog类重新写一个类，可是只是一个简单的多值输入框，我们又不想为了它而生成对应的.cpp和.h，还有.ui文件，这样太麻烦了，其实我们可以用代码来添加输入框和对应的label。

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" alt="" />

如果我们想生成一个上图一样的多个输入值的文本对话框，可以使用如下代码：

QDialog dialog(this);
QFormLayout form(&dialog);
form.addRow(new QLabel("User input:"));
// Value1
QString value1 = QString("Value1: ");
QSpinBox *spinbox1 = new QSpinBox(&dialog);
form.addRow(value1, spinbox1);
// Value2
QString value2 = QString("Value2: ");
QSpinBox *spinbox2 = new QSpinBox(&dialog);
form.addRow(value2, spinbox2);
// Add Cancel and OK button
QDialogButtonBox buttonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
    Qt::Horizontal, &dialog);
form.addRow(&buttonBox);
QObject::connect(&buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
QObject::connect(&buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));

// Process when OK button is clicked
if (dialog.exec() == QDialog::Accepted) {
    // Do something here
}

参考资料：

http://stackoverflow.com/questions/17512542/getting-multiple-inputs-from-qinputdialog-in-qtcreator