如何仅使选定的单选按钮值更改 tkinter

Question

我有四个单选按钮和 4 个值。我想要它，以便在选择选定的广播按钮时，该值将从输入框中输入的值中更改，但仅适用于选择的单个单选按钮，而其余的则与他们透彻的内容保持不变。

。

目前在我的代码中，所有值都更改为输入框中输入的值。

from tkinter import*

class NumberValues:
    def __init__(self, value):
        self.value = value

class NumberGUI:
    def __init__(self, parent):

        self.numbers = [NumberValues(4000), NumberValues(4000), NumberValues(8000), NumberValues(8000)]

        i_value = 0 #value given to radiobutton

        #set up for show radio buttons
        self.numChoice = IntVar() #instance for IntVar created
        self.numChoice.set(0) #sets the initial selection

        self.NumberList = []

        for num in self.numbers: #for loop outputs show info
            self.show_rb = Radiobutton(parent, variable = self.numChoice, value = i_value)
            self.show_rb.grid(row = i_value, column = 0)

            self.num_label = Label(parent, text = int(num.value))
            self.num_label.grid(row = i_value, column = 1)

            self.NumberList.append(self.num_label)

            i_value += 1

        self.quantity_entry = Entry(parent, width = 15)
        self.quantity_entry.grid(row = i_value + 1, column = 0)

        self.confirmOrder_btn = Button(parent, text = "Enter Number", command = self.calculate_num) 
        self.confirmOrder_btn.grid(row = i_value + 1, column = 1)


    def calculate_num(self):

        showNumberList = []

        placement = int(self.numChoice.get())

        for i in range(len(self.numbers)):
            number = int(self.quantity_entry.get())
            self.numbers[i].value = self.numbers[i].value - number
            avaiable = int(self.numbers[i].value)
            showNumberList.append(avaiable)
            self.NumberList[i].configure(text = showNumberList[i])

# main routine
if __name__ == "__main__":
    root = Tk()
    numberCaluclating = NumberGUI(root)
    root.mainloop()

如图所示，我创建了一个放置变量，指示应该在我的列表中更改的值的位置。我想以某种方式使用它，但我尝试过的仍然将它们全部更改为不正确的值。

这里不需要列表，我只是认为这是一种将所有值保持在一起并将它们配置在一起的可能方法。

那么，如何选择只有该值会更改该值的单选按钮时，选择其他值时会更改其广播按钮？

Answer 1

看看 - 我已经删除了你的一些逻辑，但 GUI 会根据需要更新：

from tkinter import*

class NumberValues:
    def __init__(self, value):
        self.value = value

class NumberGUI:
    def __init__(self, parent):

        self.numbers = [NumberValues(4000), NumberValues(4000), NumberValues(8000), NumberValues(8000)]

        i_value = 0 #value given to radiobutton

        #set up for show radio buttons
        self.numChoice = IntVar() #instance for IntVar created
        self.numChoice.set(0) #sets the initial selection

        self.NumberList = []

        self.link = [] ###

        for num in self.numbers: #for loop outputs show info
            self.show_rb = Radiobutton(parent, variable = self.numChoice, value = i_value)
            self.show_rb.grid(row = i_value, column = 0)

            self.num_label = Label(parent, text = int(num.value))
            self.num_label.grid(row = i_value, column = 1)

            self.NumberList.append(self.num_label)

            self.link.append( (self.show_rb, self.num_label) ) ###

            i_value += 1

        self.quantity_entry = Entry(parent, width = 15)
        self.quantity_entry.grid(row = i_value + 1, column = 0)

        self.confirmOrder_btn = Button(parent, text = "Enter Number", command = self.calculate_num)
        self.confirmOrder_btn.grid(row = i_value + 1, column = 1)


    def calculate_num(self):
        placement = int(self.numChoice.get())
        ###
        self.link[placement][1].configure(text = int(self.quantity_entry.get()) )

# main routine
if __name__ == "__main__":
    root = Tk()
    numberCaluclating = NumberGUI(root)
    root.mainloop()

Answer 2

您似乎在问如何只设置一个值而不是所有值。除非我误解了这个问题，否则您需要做的就是删除循环。

例如：

def calculate_num(self):

    index = int(self.numChoice.get())
    number = int(self.quantity_entry.get())
    new_value = self.numbers[index].value - number
    self.numbers[index].value = new_value
    self.NumberList[index].configure(text=new_value)