Practice: 計算機軟體頁面設計

通過grid佈局佈局,實現計算機軟體介面(不需要實現其功能)

 1 # coding:utf-8
 2 from tkinter import *
 3 from tkinter import messagebox
 4 import random
 5 
 6 
 7 class Application(Frame):
 8     """一個經典的GUI程式類寫法"""
 9     def __init__(self, master=None):
10         super().__init__(master)          # super代表的是父類的定義,而不是父類的物件
 
11         self.master = master
12         self.pack()
13         self.createWidget()
14 
15     def createWidget(self):
16         btnText = (('MC', 'M+', 'M-', 'MR'), ('C', '±','÷','×'), ('7','8','9','-'), ('4','5','6','+'), ('1','2','3','='),('0','·'))
17         Entry(self).grid(row=0, column=0, columnspan=4
 
)
18         for rindex,r in enumerate(btnText):
19             for cindex,c in enumerate(r):
20                 if c == '=':
21                     Button(self, text=c, width=2).grid(row=rindex + 1, column=cindex, rowspan=2, sticky=NSEW)
22                 elif c == '0':
23                     Button(self, text=c, width=2
 
).grid(row=rindex + 1, column=cindex, columnspan=2, sticky=NSEW)
24                 elif c =='·':
25                     Button(self, text=c, width=2).grid(row=rindex + 1, column=cindex+1, sticky=NSEW)
26                 else:
27                     Button(self, text=c, width=2).grid(row=rindex+1, column=cindex, sticky=NSEW)
28 if __name__ == "__main__":
29     root = Tk()
30     root.geometry("170x220+200+300")
31     root.title('canvas')
32     app = Application(master=root)
33     root.mainloop()