Python GUI 配置管理員pack() EX3.35 , 3.35.1 , 3.35.2 , 3.35.3

 # ch3_35.py

from tkinter import *

root = Tk()

root.title("ch3_35")                # 視窗標題

Colors = ["red","orange","yellow","green","blue","purple"]

r = 0                               # row編號

for color in Colors:

    Label(root,text=color,relief="groove",width=20).grid(row=r,column=0)

    Label(root,bg=color,relief="ridge",width=20).grid(row=r,column=1)

    r += 1

root.mainloop()

# ch3_35_1.py

from tkinter import *

root = Tk()

root.title("ch3_35_1")

root.rowconfigure(1, weight=1)

root.columnconfigure(0, weight=1)

lab1 = Label(root,text="Label 1",bg="pink")

lab1.grid(row=0,column=0,padx=5,pady=5)

lab2 = Label(root,text="Label 2",bg="lightblue")

lab2.grid(row=0,column=1,padx=5,pady=5)

lab3 = Label(root,bg="yellow")

lab3.grid(row=1,column=0,columnspan=2,padx=5,pady=5)

root.mainloop()

# ch3_35_2.py

from tkinter import *

root = Tk()

root.title("ch3_35_2")

root.rowconfigure(1, weight=1)

root.columnconfigure(0, weight=1)

lab1 = Label(root,text="Label 1",bg="pink")

lab1.grid(row=0,column=0,padx=5,pady=5,stick=W)

lab2 = Label(root,text="Label 2",bg="lightblue")

lab2.grid(row=0,column=1,padx=5,pady=5)

lab3 = Label(root,bg="yellow")

lab3.grid(row=1,column=0,columnspan=2,padx=5,pady=5,

          sticky=N+S+W+E)

root.mainloop()

# ch3_35_3.py

from tkinter import *

root = Tk()

root.title("ch3_35_3")

root.rowconfigure(1, weight=1)

root.columnconfigure(0, weight=1)

lab1 = Label(root,text="Label 1",bg="pink")

lab1.grid(row=0,column=0,padx=5,pady=5,stick=W+E)

lab2 = Label(root,text="Label 2",bg="lightblue")

lab2.grid(row=0,column=1,padx=5,pady=5)

lab3 = Label(root,bg="yellow")

lab3.grid(row=1,column=0,columnspan=2,padx=5,pady=5,

          sticky=N+S+W+E)

root.mainloop()