Python/Tkinter新手求助：GUI按钮与单选框联动及图片刷新实现

需求说明 #

• 具备Python基础，但无GUI开发经验，正在使用Tkinter开发一款包含4个Frame的GUI程序
• 左上Frame：固定显示参考图
• 左下Frame：包含三类单选按钮：
  • 故障类型（Fault Type）
  • 在线DER数量（# of DERs On）
  • 现有或规划光伏（Existing or Projected PV）
• 核心功能：点击红色「RUN!」按钮后，根据单选框的选择，在右上、右下Frame分别加载对应的图片，且支持多次选择刷新图片

当前代码 #

from tkinter import *
from PIL import Image, ImageTk

root = Tk()
root.title("Distribution Feeder Schematic")  # title of the GUI window
root.minsize(500, 500)  # width, height
root.maxsize(1500, 1000)  # specify the max size the window can expand to
root.config(bg="skyblue")  # specify background color
window_width = 1500
window_height = 1000
# get the screen dimension
screen_width = root.winfo_screenwidth()
screen_height = root.winfo_screenheight()
# find the center point
center_x = int(screen_width/2 - window_width / 2)
center_y = int(screen_height/2 - window_height / 2)
# set the position of the window to the center of the screen
root.geometry(f'{window_width}x{window_height}+{center_x}+{center_y}')

# Create top/bottom left, top right, and bottom right frames
top_left_frame = Frame(root, width=740, height=770, bg='white')
top_left_frame.place(x=5, y=0)

bot_left_frame = Frame(root, width=740, height=220, bg='grey')
bot_left_frame.place(x=5, y=775)

top_right_frame = Frame(root, width=745, height=490, bg='grey')
top_right_frame.place(x=750, y=0)

bot_right_frame = Frame(root, width=745, height=490, bg='grey')
bot_right_frame.place(x=750, y=500)

# Create frames and labels in left_frame
Label(top_left_frame, text="Feeder Overview", font=("Calibri, 15"), bg= 'white').place(x=320, y=0)
# load image to be "edited"
feeder = Image.open("Feeder_ScreenShot.png")
image2 = feeder.resize((740, 770), Image.ANTIALIAS)
feeder2 = ImageTk.PhotoImage(image2)
Label(top_left_frame, image=feeder2).place(x=0, y=25)
Label(bot_left_frame, text="Simulation Parameters: Choose a Fault Type, # of DERs Online, and Existing or Projected PV online. Then Click RUN!").place(x=15, y=0)

L1 = Label(top_left_frame, text='<-- Fault\nLocation', bg = "white", fg = "green", font = ("Arial",28))
L1.place(x=400, y=700)
Fault_Type = Label(bot_left_frame, text = "Fault Type:", bg = "white", fg = "orange", font = ("Arial",18))
Fault_Type.place(x=5,y=35)

Number_DERs = Label(bot_left_frame, text = "# of DERs On:", bg = "white", fg = "orange", font = ("Arial",18))
Number_DERs.place(x=150,y=35)

PV = Label(bot_left_frame, text = "Existing or Projected PV:", bg = "white", fg = "orange", font = ("Arial",18))
PV.place(x=330,y=35)

def retrieve():
    print(Var1.get())

Var1 = IntVar()
Var2 = IntVar()
Var3 = IntVar()

Nada = Radiobutton(bot_left_frame, text = "None", variable = Var1, value = 0, command = retrieve)
Nada.place(x=5, y=75)
SLG = Radiobutton(bot_left_frame, text = "Single-Line-\nTo-Ground", variable = Var1, value = 1, command = retrieve)
SLG.place(x=5, y=110)
ThreePh = Radiobutton(bot_left_frame, text = "3-Phase", variable = Var1, value = 2, command = retrieve)
ThreePh.place(x=5, y=160)

ZeroDER = Radiobutton(bot_left_frame, text = "0", variable = Var2, value = 0, command = retrieve)
ZeroDER.place(x=150, y=75)
OneDER = Radiobutton(bot_left_frame, text = "1", variable = Var2, value = 1, command = retrieve)
OneDER.place(x=150, y=110)
TwoDER = Radiobutton(bot_left_frame, text = "2", variable = Var2, value = 2, command = retrieve)
TwoDER.place(x=150, y=145)
ThreeDER = Radiobutton(bot_left_frame, text = "3", variable = Var2, value = 3, command = retrieve)
ThreeDER.place(x=150, y=180)
FourDER = Radiobutton(bot_left_frame, text = "4", variable = Var2, value = 4, command = retrieve)
FourDER.place(x=200, y=75)
FiveDER = Radiobutton(bot_left_frame, text = "5", variable = Var2, value = 5, command = retrieve)
FiveDER.place(x=200, y=110)
SixDER = Radiobutton(bot_left_frame, text = "6", variable = Var2, value = 6, command = retrieve)
SixDER.place(x=200, y=145)


Existing_PV = Radiobutton(bot_left_frame, text = "Existing PV", variable = Var3, value = 0, command = retrieve)
Existing_PV.place(x=330, y=75)
Proj_PV = Radiobutton(bot_left_frame, text = "Projected \n(Future) PV", variable = Var3, value = 1, command = retrieve)
Proj_PV.place(x=330, y=110)

Run = Button(bot_left_frame, text = "RUN!", bg="white", fg="red", font=("Arial",26), command = retrieve)
Run.place(x=600, y=105)


root.mainloop()

GUI界面截图 #

内容的提问来源于stack exchange，提问作者thenickmeister