IntVar 即使使用 .get() 函数也只返回 0
IntVar returning only 0 even with .get() function
这是一个人口模型，因此条目必须是整数才能用于计算。
import sys
import tkinter
from tkinter import*
import time
global v
global popJ
popJ = 0
def genInput(): #Allows the user to input the data
gen = Tk()
gen.wm_title("Data Input")
v = IntVar()
ent1 = Entry(gen, textvariable = v).pack()
ent1Txt = Label(gen, text = 'Input Juvenile Populations')
ent1Txt.pack()
v2 = StringVar()
ent2 = Entry(gen, textvariable = v2)
ent2Txt = Label(gen, text = 'Input Adult Populations')
ent2.pack()
ent2Txt.pack()
v3 = StringVar()
ent3 = Entry(gen, textvariable = v3)
ent3Txt = Label(gen, text = 'Input Senile Populations')
ent3.pack()
ent3Txt.pack()
v4 = StringVar()
ent4 = Entry(gen, textvariable = v4)
ent4Txt = Label(gen, text = 'Input Survival rates for Juveniles')
ent4.pack()
ent4Txt.pack()
v5 = StringVar()
ent5 = Entry(gen, textvariable = v5)
ent5Txt = Label(gen, text = 'Input Survival rates for Adults')
ent5.pack()
ent5Txt.pack()
v6 = StringVar()
ent6 = Entry(gen, textvariable = v6)
ent6Txt = Label(gen, text = 'Input Survival rates for Seniles')
ent6.pack()
ent6Txt.pack()
v7 = StringVar()
ent7 = Entry(gen, textvariable = v7)
ent7Txt = Label(gen, text = 'Input the birth rate')
ent7.pack()
ent7Txt.pack()
v8 = StringVar()
ent8 = Entry(gen, textvariable = v8)
ent8Txt = Label(gen, text = 'Number of Generations')
ent8.pack()
ent8Txt.pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
return
def submit():
popJ = v.get()
popJtxt = Label(gen, text= v.get()).pack()
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
return
def genView(): # should display the data
disp = Tk()
disp.wm_title('Displaying data Values')
popJuvenilesTxt = Label (disp, text = popJ)
popJuvenilesTxt.grid(row =1, column = 1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genVew = Button(menu,text = 'Dysplay Generation Values')
modelCal = Button(menu,text = 'Run model')
exportData = Button(menu,text = 'Export Data')
genTxt = Label(menu, text='Input the Generation values')
genvTxt = Label (menu, text = 'View the current generation values')
modelTxt = Label (menu, text = 'Run the model')
exportTxt = Label (menu, text = 'Export data')
genInp.grid(row=1, column=1)
genVew.grid(row=2, column=1)
modelCal.grid(row=3, column=1)
exportData.grid(row=4 , column=1)
genTxt.grid(row=1, column = 2)
genvTxt.grid(row=2, column =2)
modelTxt.grid(row=3, column =2)
exportTxt.grid(row=4, column = 2)
genInp.configure(command = genInput)
genVew.configure(command = genView)
menu()
即使使用了 .get()，'Submit' 和 genView 部分仍会返回 0。如果使用 StringVar，它 returns 一个空白 space。 运行模型和导出数据功能尚未实现。
问题是您正在创建多个 Tk 实例，对于 child windows 您应该使用 Toplevel 来代替，所以这是可行的：
import sys
import tkinter
from tkinter import *
import time
global v
global popJ
popJ = 0
def genInput(): #Allows the user to input the data
gen = Toplevel()
gen.wm_title("Data Input")
v = IntVar()
ent1 = Entry(gen, textvariable = v).pack()
ent1Txt = Label(gen, text = 'Input Juvenile Populations')
ent1Txt.pack()
v2 = StringVar()
ent2 = Entry(gen, textvariable = v2)
ent2Txt = Label(gen, text = 'Input Adult Populations')
ent2.pack()
ent2Txt.pack()
v3 = StringVar()
ent3 = Entry(gen, textvariable = v3)
ent3Txt = Label(gen, text = 'Input Senile Populations')
ent3.pack()
ent3Txt.pack()
v4 = StringVar()
ent4 = Entry(gen, textvariable = v4)
ent4Txt = Label(gen, text = 'Input Survival rates for Juveniles')
ent4.pack()
ent4Txt.pack()
v5 = StringVar()
ent5 = Entry(gen, textvariable = v5)
ent5Txt = Label(gen, text = 'Input Survival rates for Adults')
ent5.pack()
ent5Txt.pack()
v6 = StringVar()
ent6 = Entry(gen, textvariable = v6)
ent6Txt = Label(gen, text = 'Input Survival rates for Seniles')
ent6.pack()
ent6Txt.pack()
v7 = StringVar()
ent7 = Entry(gen, textvariable = v7)
ent7Txt = Label(gen, text = 'Input the birth rate')
ent7.pack()
ent7Txt.pack()
v8 = StringVar()
ent8 = Entry(gen, textvariable = v8)
ent8Txt = Label(gen, text = 'Number of Generations')
ent8.pack()
ent8Txt.pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
return
def submit():
popJ = v.get()
popJtxt = Label(gen, text= popJ).pack() # as stated in comments, this line will return none to popJtxt, so it pointless to assign it
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
return
def genView(): # should display the data
disp = Toplevel()
disp.wm_title('Displaying data Values')
popJuvenilesTxt = Label (disp, text = popJ)
popJuvenilesTxt.grid(row =1, column = 1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genVew = Button(menu,text = 'Dysplay Generation Values')
modelCal = Button(menu,text = 'Run model')
exportData = Button(menu,text = 'Export Data')
genTxt = Label(menu, text='Input the Generation values')
genvTxt = Label (menu, text = 'View the current generation values')
modelTxt = Label (menu, text = 'Run the model')
exportTxt = Label (menu, text = 'Export data')
genInp.grid(row=1, column=1)
genVew.grid(row=2, column=1)
modelCal.grid(row=3, column=1)
exportData.grid(row=4 , column=1)
genTxt.grid(row=1, column = 2)
genvTxt.grid(row=2, column =2)
modelTxt.grid(row=3, column =2)
exportTxt.grid(row=4, column = 2)
genInp.configure(command = genInput)
genVew.configure(command = genView)
menu()
为了解释为什么会发生这种情况，您需要了解所有 tk 变量都是使用关联的 Tk 实例（通常是第一个实例）创建的，因此将属于一个 tk 实例的变量绑定到另一个创建的显示永远不会更新变量，创建 Toplevel 而不是 Tk 将其与第一个 Tk 实例相关联
您不应使用 Tk() 创建多个根目录/主目录 window。将 genInput() 和 genView() 中的 Tk() 调用更改为 Toplevel()。
另外 menu() 应该在函数末尾有一个 menu.mainloop()。
正如 furas 在评论中提到的那样，.pack() 和 .grid() 方法 return None，而不是小部件，因此存储调用这些方法的结果毫无意义.
其他一些观察结果...
您 import time 但您似乎没有使用它。如果你打算在某处使用 time.sleep()，请不要：它不会 co-operate 正确地用于 Tkinter 的事件循环；还有其他方法可以使用 Tkinter 提供的方法来进行延迟。
您有 import tkinter，还有 from tkinter import *。 import tkinter 允许您通过执行 tkinter.Entry 来引用 Tkinter 实体，但您没有在代码中的任何地方使用该语法。 from tkinter import * 允许您执行 Entry 但缺点是脚本的名称空间会被 Tkinter 定义的所有名称所破坏。一个更好的折衷方案是使用 import tkinter as tk 然后你可以做 tk.Entry，这样你只需多输入一点点就可以避免命名空间污染。
如果将代码放入 class 中，您的代码会更整洁。这样你就不需要使用 global。但是，我应该注意到您实际上并没有在代码中正确使用 global 。您 不要 将它用于 "declare" 全局范围内的变量，相反它应该进入函数（或方法）定义内部以指示该函数正在修改名称在全球范围内。
这是您的程序的 "condensed" 版本，可以正确设置和获取 popJ 值。此代码已在 Python 2.6.6 上测试，要在 Python 上测试 运行 3 您需要将 import 语句更改为 from tkinter import *。
from Tkinter import *
popJ = 0
def genInput(): #Allows the user to input the data
gen = Toplevel()
gen.wm_title("Data Input")
v = IntVar()
v.set(popJ)
ent1 = Entry(gen, textvariable = v)
ent1.pack()
Label(gen, text = 'Input Juvenile Populations').pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
def submit():
global popJ
popJ = v.get()
Label(gen, text=popJ).pack()
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genInp.grid(row=1, column=1)
genInp.configure(command = genInput)
menu.mainloop()
menu()
您必须在 submit 中使用 global popJ。
现在您在 submit
中创建局部变量 popJ
编辑： 也许 global 不是首选方法，但它适用于您的示例
import sys
import tkinter
from tkinter import*
import time
global v
global popJ
popJ = 0
def genInput(): #Allows the user to input the data
gen = Toplevel()
gen.wm_title("Data Input")
v = IntVar()
ent1 = Entry(gen, textvariable = v).pack()
ent1Txt = Label(gen, text = 'Input Juvenile Populations')
ent1Txt.pack()
v2 = StringVar()
ent2 = Entry(gen, textvariable = v2)
ent2Txt = Label(gen, text = 'Input Adult Populations')
ent2.pack()
ent2Txt.pack()
v3 = StringVar()
ent3 = Entry(gen, textvariable = v3)
ent3Txt = Label(gen, text = 'Input Senile Populations')
ent3.pack()
ent3Txt.pack()
v4 = StringVar()
ent4 = Entry(gen, textvariable = v4)
ent4Txt = Label(gen, text = 'Input Survival rates for Juveniles')
ent4.pack()
ent4Txt.pack()
v5 = StringVar()
ent5 = Entry(gen, textvariable = v5)
ent5Txt = Label(gen, text = 'Input Survival rates for Adults')
ent5.pack()
ent5Txt.pack()
v6 = StringVar()
ent6 = Entry(gen, textvariable = v6)
ent6Txt = Label(gen, text = 'Input Survival rates for Seniles')
ent6.pack()
ent6Txt.pack()
v7 = StringVar()
ent7 = Entry(gen, textvariable = v7)
ent7Txt = Label(gen, text = 'Input the birth rate')
ent7.pack()
ent7Txt.pack()
v8 = StringVar()
ent8 = Entry(gen, textvariable = v8)
ent8Txt = Label(gen, text = 'Number of Generations')
ent8.pack()
ent8Txt.pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
return
def submit():
global popJ
popJ = v.get()
popJtxt = Label(gen, text= v.get()).pack()
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
return
def genView(): # should display the data
disp = Toplevel()
disp.wm_title('Displaying data Values')
popJuvenilesTxt = Label (disp, text = popJ)
popJuvenilesTxt.grid(row =1, column = 1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genVew = Button(menu,text = 'Dysplay Generation Values')
modelCal = Button(menu,text = 'Run model')
exportData = Button(menu,text = 'Export Data')
genTxt = Label(menu, text='Input the Generation values')
genvTxt = Label (menu, text = 'View the current generation values')
modelTxt = Label (menu, text = 'Run the model')
exportTxt = Label (menu, text = 'Export data')
genInp.grid(row=1, column=1)
genVew.grid(row=2, column=1)
modelCal.grid(row=3, column=1)
exportData.grid(row=4 , column=1)
genTxt.grid(row=1, column = 2)
genvTxt.grid(row=2, column =2)
modelTxt.grid(row=3, column =2)
exportTxt.grid(row=4, column = 2)
genInp.configure(command = genInput)
genVew.configure(command = genView)
menu.mainloop()
menu()
当然你也需要 menu.mainloop() 和 Toplevel 来代替 Tk。
这是一个人口模型，因此条目必须是整数才能用于计算。
import sys
import tkinter
from tkinter import*
import time
global v
global popJ
popJ = 0
def genInput(): #Allows the user to input the data
gen = Tk()
gen.wm_title("Data Input")
v = IntVar()
ent1 = Entry(gen, textvariable = v).pack()
ent1Txt = Label(gen, text = 'Input Juvenile Populations')
ent1Txt.pack()
v2 = StringVar()
ent2 = Entry(gen, textvariable = v2)
ent2Txt = Label(gen, text = 'Input Adult Populations')
ent2.pack()
ent2Txt.pack()
v3 = StringVar()
ent3 = Entry(gen, textvariable = v3)
ent3Txt = Label(gen, text = 'Input Senile Populations')
ent3.pack()
ent3Txt.pack()
v4 = StringVar()
ent4 = Entry(gen, textvariable = v4)
ent4Txt = Label(gen, text = 'Input Survival rates for Juveniles')
ent4.pack()
ent4Txt.pack()
v5 = StringVar()
ent5 = Entry(gen, textvariable = v5)
ent5Txt = Label(gen, text = 'Input Survival rates for Adults')
ent5.pack()
ent5Txt.pack()
v6 = StringVar()
ent6 = Entry(gen, textvariable = v6)
ent6Txt = Label(gen, text = 'Input Survival rates for Seniles')
ent6.pack()
ent6Txt.pack()
v7 = StringVar()
ent7 = Entry(gen, textvariable = v7)
ent7Txt = Label(gen, text = 'Input the birth rate')
ent7.pack()
ent7Txt.pack()
v8 = StringVar()
ent8 = Entry(gen, textvariable = v8)
ent8Txt = Label(gen, text = 'Number of Generations')
ent8.pack()
ent8Txt.pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
return
def submit():
popJ = v.get()
popJtxt = Label(gen, text= v.get()).pack()
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
return
def genView(): # should display the data
disp = Tk()
disp.wm_title('Displaying data Values')
popJuvenilesTxt = Label (disp, text = popJ)
popJuvenilesTxt.grid(row =1, column = 1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genVew = Button(menu,text = 'Dysplay Generation Values')
modelCal = Button(menu,text = 'Run model')
exportData = Button(menu,text = 'Export Data')
genTxt = Label(menu, text='Input the Generation values')
genvTxt = Label (menu, text = 'View the current generation values')
modelTxt = Label (menu, text = 'Run the model')
exportTxt = Label (menu, text = 'Export data')
genInp.grid(row=1, column=1)
genVew.grid(row=2, column=1)
modelCal.grid(row=3, column=1)
exportData.grid(row=4 , column=1)
genTxt.grid(row=1, column = 2)
genvTxt.grid(row=2, column =2)
modelTxt.grid(row=3, column =2)
exportTxt.grid(row=4, column = 2)
genInp.configure(command = genInput)
genVew.configure(command = genView)
menu()
即使使用了 .get()，'Submit' 和 genView 部分仍会返回 0。如果使用 StringVar，它 returns 一个空白 space。 运行模型和导出数据功能尚未实现。
问题是您正在创建多个 Tk 实例，对于 child windows 您应该使用 Toplevel 来代替，所以这是可行的：
import sys
import tkinter
from tkinter import *
import time
global v
global popJ
popJ = 0
def genInput(): #Allows the user to input the data
gen = Toplevel()
gen.wm_title("Data Input")
v = IntVar()
ent1 = Entry(gen, textvariable = v).pack()
ent1Txt = Label(gen, text = 'Input Juvenile Populations')
ent1Txt.pack()
v2 = StringVar()
ent2 = Entry(gen, textvariable = v2)
ent2Txt = Label(gen, text = 'Input Adult Populations')
ent2.pack()
ent2Txt.pack()
v3 = StringVar()
ent3 = Entry(gen, textvariable = v3)
ent3Txt = Label(gen, text = 'Input Senile Populations')
ent3.pack()
ent3Txt.pack()
v4 = StringVar()
ent4 = Entry(gen, textvariable = v4)
ent4Txt = Label(gen, text = 'Input Survival rates for Juveniles')
ent4.pack()
ent4Txt.pack()
v5 = StringVar()
ent5 = Entry(gen, textvariable = v5)
ent5Txt = Label(gen, text = 'Input Survival rates for Adults')
ent5.pack()
ent5Txt.pack()
v6 = StringVar()
ent6 = Entry(gen, textvariable = v6)
ent6Txt = Label(gen, text = 'Input Survival rates for Seniles')
ent6.pack()
ent6Txt.pack()
v7 = StringVar()
ent7 = Entry(gen, textvariable = v7)
ent7Txt = Label(gen, text = 'Input the birth rate')
ent7.pack()
ent7Txt.pack()
v8 = StringVar()
ent8 = Entry(gen, textvariable = v8)
ent8Txt = Label(gen, text = 'Number of Generations')
ent8.pack()
ent8Txt.pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
return
def submit():
popJ = v.get()
popJtxt = Label(gen, text= popJ).pack() # as stated in comments, this line will return none to popJtxt, so it pointless to assign it
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
return
def genView(): # should display the data
disp = Toplevel()
disp.wm_title('Displaying data Values')
popJuvenilesTxt = Label (disp, text = popJ)
popJuvenilesTxt.grid(row =1, column = 1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genVew = Button(menu,text = 'Dysplay Generation Values')
modelCal = Button(menu,text = 'Run model')
exportData = Button(menu,text = 'Export Data')
genTxt = Label(menu, text='Input the Generation values')
genvTxt = Label (menu, text = 'View the current generation values')
modelTxt = Label (menu, text = 'Run the model')
exportTxt = Label (menu, text = 'Export data')
genInp.grid(row=1, column=1)
genVew.grid(row=2, column=1)
modelCal.grid(row=3, column=1)
exportData.grid(row=4 , column=1)
genTxt.grid(row=1, column = 2)
genvTxt.grid(row=2, column =2)
modelTxt.grid(row=3, column =2)
exportTxt.grid(row=4, column = 2)
genInp.configure(command = genInput)
genVew.configure(command = genView)
menu()
为了解释为什么会发生这种情况，您需要了解所有 tk 变量都是使用关联的 Tk 实例（通常是第一个实例）创建的，因此将属于一个 tk 实例的变量绑定到另一个创建的显示永远不会更新变量，创建 Toplevel 而不是 Tk 将其与第一个 Tk 实例相关联
您不应使用 Tk() 创建多个根目录/主目录 window。将 genInput() 和 genView() 中的 Tk() 调用更改为 Toplevel()。
另外 menu() 应该在函数末尾有一个 menu.mainloop()。
正如 furas 在评论中提到的那样，.pack() 和 .grid() 方法 return None，而不是小部件，因此存储调用这些方法的结果毫无意义.
其他一些观察结果...
您 import time 但您似乎没有使用它。如果你打算在某处使用 time.sleep()，请不要：它不会 co-operate 正确地用于 Tkinter 的事件循环；还有其他方法可以使用 Tkinter 提供的方法来进行延迟。
您有 import tkinter，还有 from tkinter import *。 import tkinter 允许您通过执行 tkinter.Entry 来引用 Tkinter 实体，但您没有在代码中的任何地方使用该语法。 from tkinter import * 允许您执行 Entry 但缺点是脚本的名称空间会被 Tkinter 定义的所有名称所破坏。一个更好的折衷方案是使用 import tkinter as tk 然后你可以做 tk.Entry，这样你只需多输入一点点就可以避免命名空间污染。
如果将代码放入 class 中，您的代码会更整洁。这样你就不需要使用 global。但是，我应该注意到您实际上并没有在代码中正确使用 global 。您 不要 将它用于 "declare" 全局范围内的变量，相反它应该进入函数（或方法）定义内部以指示该函数正在修改名称在全球范围内。
这是您的程序的 "condensed" 版本，可以正确设置和获取 popJ 值。此代码已在 Python 2.6.6 上测试，要在 Python 上测试 运行 3 您需要将 import 语句更改为 from tkinter import *。
from Tkinter import *
popJ = 0
def genInput(): #Allows the user to input the data
gen = Toplevel()
gen.wm_title("Data Input")
v = IntVar()
v.set(popJ)
ent1 = Entry(gen, textvariable = v)
ent1.pack()
Label(gen, text = 'Input Juvenile Populations').pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
def submit():
global popJ
popJ = v.get()
Label(gen, text=popJ).pack()
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genInp.grid(row=1, column=1)
genInp.configure(command = genInput)
menu.mainloop()
menu()
您必须在 submit 中使用 global popJ。
现在您在 submit
popJ
编辑： 也许 global 不是首选方法，但它适用于您的示例
import sys
import tkinter
from tkinter import*
import time
global v
global popJ
popJ = 0
def genInput(): #Allows the user to input the data
gen = Toplevel()
gen.wm_title("Data Input")
v = IntVar()
ent1 = Entry(gen, textvariable = v).pack()
ent1Txt = Label(gen, text = 'Input Juvenile Populations')
ent1Txt.pack()
v2 = StringVar()
ent2 = Entry(gen, textvariable = v2)
ent2Txt = Label(gen, text = 'Input Adult Populations')
ent2.pack()
ent2Txt.pack()
v3 = StringVar()
ent3 = Entry(gen, textvariable = v3)
ent3Txt = Label(gen, text = 'Input Senile Populations')
ent3.pack()
ent3Txt.pack()
v4 = StringVar()
ent4 = Entry(gen, textvariable = v4)
ent4Txt = Label(gen, text = 'Input Survival rates for Juveniles')
ent4.pack()
ent4Txt.pack()
v5 = StringVar()
ent5 = Entry(gen, textvariable = v5)
ent5Txt = Label(gen, text = 'Input Survival rates for Adults')
ent5.pack()
ent5Txt.pack()
v6 = StringVar()
ent6 = Entry(gen, textvariable = v6)
ent6Txt = Label(gen, text = 'Input Survival rates for Seniles')
ent6.pack()
ent6Txt.pack()
v7 = StringVar()
ent7 = Entry(gen, textvariable = v7)
ent7Txt = Label(gen, text = 'Input the birth rate')
ent7.pack()
ent7Txt.pack()
v8 = StringVar()
ent8 = Entry(gen, textvariable = v8)
ent8Txt = Label(gen, text = 'Number of Generations')
ent8.pack()
ent8Txt.pack()
def quit1(): # Need to be here or it breaks the program
gen.destroy()
return
def submit():
global popJ
popJ = v.get()
popJtxt = Label(gen, text= v.get()).pack()
return
submit1= Button(gen, text="Submit")
submit1.pack()
submit1.configure(command = submit)
return1 = Button(gen, text = 'Return to Menu')
return1.pack(pady=30)
return1.configure(command = quit1)
return
def genView(): # should display the data
disp = Toplevel()
disp.wm_title('Displaying data Values')
popJuvenilesTxt = Label (disp, text = popJ)
popJuvenilesTxt.grid(row =1, column = 1)
def menu(): # creates the gui menu
menu = Tk()
menu.wm_title("Greenfly model")
genInp = Button(menu,text = "Set Generation Values")
genVew = Button(menu,text = 'Dysplay Generation Values')
modelCal = Button(menu,text = 'Run model')
exportData = Button(menu,text = 'Export Data')
genTxt = Label(menu, text='Input the Generation values')
genvTxt = Label (menu, text = 'View the current generation values')
modelTxt = Label (menu, text = 'Run the model')
exportTxt = Label (menu, text = 'Export data')
genInp.grid(row=1, column=1)
genVew.grid(row=2, column=1)
modelCal.grid(row=3, column=1)
exportData.grid(row=4 , column=1)
genTxt.grid(row=1, column = 2)
genvTxt.grid(row=2, column =2)
modelTxt.grid(row=3, column =2)
exportTxt.grid(row=4, column = 2)
genInp.configure(command = genInput)
genVew.configure(command = genView)
menu.mainloop()
menu()
当然你也需要 menu.mainloop() 和 Toplevel 来代替 Tk。