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def welcomeStage (self):        
    self.test = QtGui.QLineEdit (self)
    self.test.move (50, 150)

    QtCore.QObject.connect (self.test, QtCore.SIGNAL ('returnPressed()'), self.passwordStage)

def passwordStage (self):
    self.email = self.test.text()
    self.test.clear()
    self.test.setEchoMode (QtGui.QLineEdit.Password)
    QtCore.QObject.connect (self.test, QtCore.SIGNAL ('returnPressed()'), self.loginStage)

def loginStage (self):
    self.pwd = self.test.text()
    print self.pwd
    if len (self.pwd) < 0:
        welcomeStage ()
        return

简单地说,我正在制作一个登录表单。用户输入他们的电子邮件,然后清除文本字段并将回显模式设置为密码模式。text() 函数可以很好地返回电子邮件,但是当我在更改回显模式后调用 text() 时,它返回 0。我一直在翻阅文档,寻找有关 text() 函数及其操作方式的任何信息当密码模式打开时,我没有找到任何东西。有人知道这是怎么做到的吗?

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1 回答 1

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我无法提供使用 a 的修复方法,但您可以通过在方法中指定模式QLineEdit来获取密码。像这样:QInputDialoggetText()

diag = QtGui.QInputDialog
s = None
while s is None:
    qstring, ok = diag.getText(self, QtCore.QString(title), QtCore.QString(text), mode=QtGui.QLineEdit.Password)
    s = str(qstring)
    if ok is False: # user pressed Cancel
        return None
    if s == '':     # user entered nothing
        s = None
return s
于 2010-01-26T19:16:38.753 回答