使用Python3的tkinter制作一个简单的计算器界面

[python]代码库

  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();