使用Python3的tkinter制作一个简单的计算器界面

1 #!/usr/bin/python3
 2 #-*-coding:utf-8-*-
 3 import tkinter
 4 import tkinter.font
 5
 6 class Calculate():
 7     def __init__(self):
 8          self.tk=tkinter.Tk();
 9          self.tk.title("Calculate");
10
11         self.tk.resizable(0,0);
12         self.showfont=tkinter.font.Font(self.tk,size=26);
13         self.sysfont=tkinter.font.Font(self.tk,size=16);
14
15         self.entry=tkinter.Entry(self.tk,width=20,font=self.showfont,bac    kground="#ffffff");
16         self.entry.grid(row=0,column=0,columnspan=4,pady=10);
17
18         self.btn1=tkinter.Button(self.tk,text="1",font=self.sysfont);
19         self.btn1.grid(row=1,column=0,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
20
21         self.btn2=tkinter.Button(self.tk,text="2",font=self.sysfont);
22         self.btn2.grid(row=1,column=1,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
23
24         self.btn3=tkinter.Button(self.tk,text="3",font=self.sysfont);
25         self.btn3.grid(row=1,column=2,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
26
27         self.btn_divide=tkinter.Button(self.tk,text="÷",font=self.sysfon    t);
28         self.btn_divide.grid(row=1,column=3,sticky=tkinter.N+tkinter.S+t    kinter.W+tkinter.E);
29
30
31         self.btn4=tkinter.Button(self.tk,text="4",font=self.sysfont);
32         self.btn4.grid(row=2,column=0,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
33
34         self.btn5=tkinter.Button(self.tk,text="5",font=self.sysfont);
35         self.btn5.grid(row=2,column=1,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
36
37         self.btn6=tkinter.Button(self.tk,text="6",font=self.sysfont);
38         self.btn6.grid(row=2,column=2,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
39
40         self.btn_mult=tkinter.Button(self.tk,text="×",font=self.sysfont)    ;
41         self.btn_mult.grid(row=2,column=3,sticky=tkinter.N+tkinter.S+tki    nter.W+tkinter.E);
42
43
44         self.btn7=tkinter.Button(self.tk,text="7",font=self.sysfont);
45         self.btn7.grid(row=3,column=0,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
46
47         self.btn8=tkinter.Button(self.tk,text="8",font=self.sysfont);
48         self.btn8.grid(row=3,column=1,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
49
50         self.btn9=tkinter.Button(self.tk,text="9",font=self.sysfont);
51         self.btn9.grid(row=3,column=2,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
52
53         self.btn_minus=tkinter.Button(self.tk,text="-",font=self.sysfont    );
54         self.btn_minus.grid(row=3,column=3,sticky=tkinter.N+tkinter.S+tk    inter.W+tkinter.E);
55
56
57         self.btn0=tkinter.Button(self.tk,text="0",font=self.sysfont);
58         self.btn0.grid(row=4,column=0,sticky=tkinter.N+tkinter.S+tkinter    .W+tkinter.E);
59
60         self.btn_point=tkinter.Button(self.tk,text=".",font=self.sysfont    );
61         self.btn_point.grid(row=4,column=1,sticky=tkinter.N+tkinter.S+tk    inter.W+tkinter.E);
62
63         self.btn_es=tkinter.Button(self.tk,text="=",font=self.sysfont);
64         self.btn_es.grid(row=4,column=2,sticky=tkinter.N+tkinter.S+tkint    er.W+tkinter.E);
65
66         self.btn_add=tkinter.Button(self.tk,text="+",font=self.sysfont);
67         self.btn_add.grid(row=4,column=3,sticky=tkinter.N+tkinter.S+tkin    ter.W+tkinter.E);
68
69         self.tk.mainloop();
70
71 cal=Calculate();