Question

我是Python的初学者。我想创建多个列表框并从列表框中读取条目。列表框的数量取决于在代码开头定义的名为“result”的列表的大小。列表“结果”的长度不是常量。根据列表框中的选择，需要进一步操作。

我最终的代码就像：

result = ['Weekly','Monthly',Annual]
class Application(Frame):

def __init__(self,master):
    Frame.__init__(self,master)
    self.grid()
    self.create_widgets()

def create_widgets(self):
    for inst in result:



        textenter = "Select the required output format" + inst

        self.Label[inst] = Label(self,text = textenter)
        self.Label[inst].grid(columnspan = 2, sticky = W)

        self.Listbox[inst] = Listbox(self, selectmode = MULTIPLE,exportselection = 0)
        self.Listbox[inst].grid(sticky = W)


        for items in ["Text","XML","HTML"]:
            self.Listbox[inst].insert(END,items)



    self.submit_button = Button(self, text = "Submit",command = self.returns)
    self.submit_button.grid(row = 7, column = 1, sticky = W)

    self.content = []



def returns(self):
    for inst in result:
        self.content.append(self.Listbox[inst].curselection())
        print self.content


    self.master.destroy()    


root = Tk()

app = Application(master = root)
root.title("Output Formats")
app.mainloop()
print app.content

我只使用此代码获得一个列表框，但我获得了选定数量的标签在此之后我被困住了。无法再进一步了。请帮我。提前致谢。如果信息不清楚，请告诉我。我也对一个全新的代码持开放态度。

Answer 1

您的代码（经过少量修改）适合我。

我不知道你为什么会有问题。

我把我的工作代码

import Tkinter as tk

result = ['Weekly', 'Monthly', 'Annual']

class Application(tk.Frame):

    def __init__(self, master):
        tk.Frame.__init__(self, master)
        self.grid()
        self.create_widgets()

    def create_widgets(self):
        self.listbox = dict() # lower case for variable name 
        self.label = dict() # lower case for variable name 

        for inst in result:
            #textenter = "Select the required output format" + inst
            textenter = inst

            self.label[inst] = tk.Label(self, text=textenter)
            self.label[inst].grid(columnspan=2, sticky=tk.W)

            self.listbox[inst] = tk.Listbox(self, selectmode=tk.MULTIPLE, exportselection=0)
            self.listbox[inst].grid(sticky=tk.W)

            for items in ["Text", "XML", "HTML"]:
                self.listbox[inst].insert(tk.END,items)

        self.submit_button = tk.Button(self, text="Submit", command=self.returns)
        self.submit_button.grid(row=7, column=1, sticky=tk.W)


    def returns(self):
        self.content = []

        for inst in result:
            self.content.append(self.listbox[inst].curselection())

        print self.content

        self.master.destroy()    


root = tk.Tk()
app = Application(root)
root.title("Output Formats")
app.mainloop()

使用Tkinter动态生成python中的多个列表框

1 个答案: