Posted in Python onNovember 11, 2020
运行效果:
完整代码
from tkinter import * def click(num): global op op=op+str(num) iptext.set(op) def evaluate(): global op output=str(eval(op)) iptext.set(output) def clearDisplay(): global op op="" iptext.set(op) calc=Tk() calc.title("TechVidvan Calculator") op="" iptext=StringVar() iparea=Entry(calc,font=('large,_font',15,'bold'),bd=10,justify="right",insertwidth=4,textvariable=iptext).grid(columnspan=10) bt7=Button(calc,font=('arial',15,'bold'),command=lambda:click(7),bg="lavender",text="7",bd=5,padx=15,pady=10).grid(row=1,column=0) bt8=Button(calc,font=('arial',15,'bold'),command=lambda:click(8),bg="lavender",text="8",bd=5,padx=15,pady=10).grid(row=1,column=1) bt9=Button(calc,font=('arial',15,'bold'),command=lambda:click(9),bg="lavender",text="9",bd=5,padx=15,pady=10).grid(row=1,column=2) add=Button(calc,font=('arial',15,'bold'),command=lambda:click('+'),bg="lavender",text="+",bd=5,padx=15,pady=10).grid(row=1,column=3) bt4=Button(calc,font=('arial',15,'bold'),command=lambda:click(4),bg="lavender",text="4",bd=5,padx=15,pady=10).grid(row=2,column=0) bt5=Button(calc,font=('arial',15,'bold'),command=lambda:click(5),bg="lavender",text="5",bd=5,padx=15,pady=10).grid(row=2,column=1) bt6=Button(calc,font=('arial',15,'bold'),command=lambda:click(6),bg="lavender",text="6",bd=5,padx=15,pady=10).grid(row=2,column=2) sub=Button(calc,font=('arial',15,'bold'),command=lambda:click('-'),bg="lavender",text="-",bd=5,padx=15,pady=10).grid(row=2,column=3) bt1=Button(calc,font=('arial',15,'bold'),command=lambda:click(1),bg="lavender",text="1",bd=5,padx=15,pady=10).grid(row=3,column=0) bt2=Button(calc,font=('arial',15,'bold'),command=lambda:click(2),bg="lavender",text="2",bd=5,padx=15,pady=10).grid(row=3,column=1) bt3=Button(calc,font=('arial',15,'bold'),command=lambda:click(3),bg="lavender",text="3",bd=5,padx=15,pady=10).grid(row=3,column=2) mul=Button(calc,font=('arial',15,'bold'),command=lambda:click('*'),bg="lavender",text="*",bd=5,padx=15,pady=10).grid(row=3,column=3) bt0=Button(calc,font=('arial',15,'bold'),command=lambda:click(0),bg="lavender",text="0",bd=5,padx=15,pady=10).grid(row=4,column=0) btC=Button(calc,font=('arial',15,'bold'),command=clearDisplay,bg="lavender",text="C",bd=5,padx=15,pady=10).grid(row=4,column=1) eql=Button(calc,font=('arial',15,'bold'),command=evaluate,bg="lavender",text="=",bd=5,padx=15,pady=10).grid(row=4,column=2) div=Button(calc,font=('arial',15,'bold'),command=lambda:click('/'),bg="lavender",text="/",bd=5,padx=15,pady=10).grid(row=4,column=3) calc.mainloop()
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python 实现简单的计算器(gui界面)
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