Question

从弹出式窗口中创建的标签中获取弹出式窗口中显示的方法的文本时遇到问题。我所有的标签，按钮，布局...等都是不同的类，因此我不知道这是计时问题还是实例问题，但我希望弹出窗口显示标签中的文本。我有一个计算逻辑的按钮，然后以相同的方法显示所有弹出窗口。如果直接在kv文件OutputLabel中的标签下面添加文本，我可以得到显示的文本：text：“ whatever”，但是如果我只是尝试在类中引用标签并使标签的text属性成为输出，则无法显示文本。

Main.py（最后，我已经创建了输出标签和弹出窗口） Calculate（Button）类：

class Calculate(Button):
    #main program
    def calculate(self):

        #make inputs into numbers
        goal = float(self.goal.text)
        save = float(self.save.text)
        savei = float(self.savei.text) / 100
        repeat = float(self.repeat.text)
        syears = int(self.syears.text)
        smonths = int(self.smonths.text)

        #get current compound toggle
        compound = 0
        if self.daily.state == 'down':
            compound = 365
        elif self.monthly.state == 'down':
            compound = 12
        elif self.yearly.state == 'down':
            compound = 1

        #get current repeat deposit toggle
        repDep = 0
        if self.none.state == 'down':
            repDep = 0
        elif self.week.state == 'down':
            repDep = 7
        elif self.biweek.state == 'down':
            repDep = 14
        elif self.month2.state == 'down':
            repDep = 30.417
        elif self.year2.state == 'down':
            repDep = 365

        #variables for program
        totalDays = syears*365 + smonths*30.417
        interestRate = savei/compound
        totalMoney = 0
        count = 0
        day = 0
        repDay = 0
        counter = 0

        #program begin
        while totalDays > 0:
            if count < 1:
                totalMoney = save
                totalDays -= 1
                count += 1
            totalDays -= 1
            if compound == 365:
                totalMoney *= (interestRate * repDep + 1)
                totalDays -= 1
            elif compound == 12:
                if day >= 30:
                    totalMoney *= (interestRate * repDep + 1)
                    day = 0
                    totalDays -= 1
                else:
                    day += 1
                    totalDays -= 1
            elif compound == 1:
                if day == 365:
                    totalMoney *= (interestRate * repDep + 1)
                    day = 0
                    totalDays -= 1
                else:
                    day += 1
                    totalDays -= 1
            if repDay >= repDep:
                totalMoney += repeat
                repDay = 0
            else:
                repDay += 1
        #final output string     
        total = str(totalMoney)


    #totals popup screen        
        out = OutputLabel()
        show = TotalPopup()
        popupWindow = Popup(title="TOTALS", content=show, size_hint=(.8,.8)) 
    # Create the popup window
        out.text = total
        popupWindow.open() # show the popup



    pass

Layout.kv（定义弹出式布局。如果我在此处显示文本：“ whatever”，则显示该文本，但是其他任何内容表示我的输出的属性与我的outputlabel.text都为nonetype）

<TotalPopup>:
    GridLayout:
        cols:1
        OutputLabel:
        GoalOutputLabel:
        NoReinvestLabel:

OutputLabel

OutputLabel（Label）类：通过

否则，它将立即运行，不会在弹出窗口中显示标签中的文本。

Answer 1

没关系...我想出了其他办法。刚刚在弹出创建代码中写了标签。但是，如果有办法，我仍然想知道怎么做而不必这样做。

在弹出窗口中将文本输出到kivy标签

1 个答案: