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[英]Tkinter getting data from an entry box and sending it to other functions
[英]getting text box entry data from Tkinter
我正在使用 TKinter 制作一個界面,該界面將接收用戶名、密碼和 Web 鏈接。
我在將輸入框變量輸入到我的全局變量中時遇到問題。 我收到 NameError: name 'userEntry' 未定義
我試過打電話給自己。 和 init_window 和 append。但我真的在黑暗中摸索,這是我第一次為 tkinter 使用 Window(Frame) 類,所以我不確定我搞砸了什么。
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我想借此從文本數據init_window(self)
,並使用數據runProgram(self)
作為硒的變量。 但我無法讓數據傳輸過來。
data = []
userName= []
password=[]
link=[]
class Window(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
self.master = master
self.init_window()
#Creation of init_window
def init_window(self):
self.master.title("Comment uploader") # changing the title of our master widget
userEntry= Entry(root, textvariable=userName)
passEntry = Entry(root, textvariable=password, show='*')
linkEntry= Entry(root, textvariable=link)
openButton = Button(root, text="Open CSV", command=self.fileOpen) # creating a button instance
goButton = Button(root, text="Run program", command=self.runProgram)
userEntry.grid(row=0, column=2,sticky=W)
passEntry.grid(row=1, column=2,sticky=W)
linkEntry.grid(row=2, column=2,sticky=W)
openButton.grid(row=3, column=2, sticky=W)
goButton.grid(row=4, column=2, sticky=W)
label_1= Label(root,text="User Name:" ,font="Times 14")
label_2= Label(root,text="Password:" ,font="Times 14")
label_3= Label(root,text="input link" ,font="Times 14")
label_4= Label(root,text="Open CSV" ,font="Times 14")
label_5= Label(root,text="Sart the program" ,font="Times 14")
label_1.grid(row=0 , column=1, sticky=W)
label_2.grid(row=1 , column=1, sticky=W)
label_3.grid(row=2 , column=1, sticky=W)
label_4.grid(row=3 , column=1, sticky=W)
label_5.grid(row=4 , column=1, sticky=W)
def runProgram(self):
userName = userEntry.get()
print(userName)
print(data[1])
要訪問未在其中創建的函數中的變量,您應該將該變量設為實例變量:
self.userEntry = Entry(self.master, textvariable=userName)
這適用於類內共享的所有對象。 例如; 您不需要共享條目userEntry
因為您有一個與條目關聯的文本變量,但您必須共享文本變量。
這是使用我認為您的目標使用實例變量的程序的重寫:
from tkinter import *
class Window(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
self.master = master
self.data = []
self.userName = StringVar() # StringVar to hold userEntry content
self.password = StringVar() # etc, etc.
self.link = StringVar()
self.init_window() # Build GUI
#Creation of init_window
def init_window(self):
self.master.title("Comment uploader") # changing the title of our master widget
userEntry= Entry(self.master, textvariable=self.userName)
passEntry = Entry(self.master, textvariable=self.password, show='*')
linkEntry= Entry(self.master, textvariable=self.link)
openButton = Button(self.master, text="Open CSV", command=self.fileOpen) # creating a button instance
goButton = Button(self.master, text="Run program", command=self.runProgram)
userEntry.grid(row=0, column=2,sticky=W)
passEntry.grid(row=1, column=2,sticky=W)
linkEntry.grid(row=2, column=2,sticky=W)
openButton.grid(row=3, column=2, sticky=W)
goButton.grid(row=4, column=2, sticky=W)
label_1= Label(root,text="User Name:" ,font="Times 14")
label_2= Label(root,text="Password:" ,font="Times 14")
label_3= Label(root,text="input link" ,font="Times 14")
label_4= Label(root,text="Open CSV" ,font="Times 14")
label_5= Label(root,text="Sart the program" ,font="Times 14")
label_1.grid(row=0 , column=1, sticky=W)
label_2.grid(row=1 , column=1, sticky=W)
label_3.grid(row=2 , column=1, sticky=W)
label_4.grid(row=3 , column=1, sticky=W)
label_5.grid(row=4 , column=1, sticky=W)
def fileOpen(self): # Placeholder for button callback
pass
def runProgram(self):
userName = self.userName.get()
print(userName)
#print(self.data[1]) # The list self.data is empty...
root = Tk()
app = Window(root)
root.mainloop()
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