16.QInputDialog 输入对话框_qinputdialog.getint()-优快云博客

本文链接：https://blog.youkuaiyun.com/zmjames2000/article/details/100693386

本文详细介绍QInputDialog组件在PyQt中的应用，包括如何通过QInputDialog获取列表中的选项、字符串及整数，并展示了具体的实现代码和方法。

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QInputDialog.getItem

QInputDialog.getText

QInputDialog.getInt

def initUI(self):
        self.setWindowTitle('QInputDialogDemo')
        self.setGeometry(500,500,300,200)

        button1 = QPushButton('获取列表中的选项')
        button1.clicked.connect(lambda :self.getItem(lineEdit1))
        lineEdit1 = QLineEdit()

        button2 = QPushButton('获取字符串')
        button2.clicked.connect(lambda :self.getText(lineEdit2))
        lineEdit2 = QLineEdit()

        button3 = QPushButton('获取整数')
        button3.clicked.connect(lambda :self.getInt(lineEdit3))
        lineEdit3 = QLineEdit()

        layout = QFormLayout()
        layout.addRow(button1, lineEdit1)
        layout.addRow(button2, lineEdit2)
        layout.addRow(button3, lineEdit3)
        mainForm = QWidget()
        mainForm.setLayout(layout)

        self.setCentralWidget(mainForm)

    def getItem(self,lineEdit):
        items = ('C','C++','Java','Python')
        item,ok = QInputDialog.getItem(self,'请选择编程语言','语言列表', items)
        if ok and item:
            lineEdit.setText(item)
    def getText(self,lineEdit):
        item,ok = QInputDialog.getText(self,'文本输入框','输入姓名')
        if ok and item:
            lineEdit.setText(item)
    def getInt(self,lineEdit):
        item,ok = QInputDialog.getInt(self,'整数输入框言','输入数字')
        if ok and item:
            lineEdit.setText(str(item))