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This article will explain in detail how to use Python to develop a desktop Mini Program. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

Development environment:

Python 3.6

Pycharm

Code

Interface settin

1. Import module

Import tkinter as tk

two。 Instantiate a form object

Root = tk.Tk ()

3. Title

Root.title ('Calculator')

4. Size and location

Root.geometry ("295x280+150+150")

5. Transparency

Root.attributes ("- alpha", 0.9)

6. Background

Root ["background"] = "# ffffff"

7. Label

Lable1 = tk.Label (root, textvariable=result_num, width=20, height=2, font= ('Song style', 20), justify='left', background='#ffffff', anchor='se')

8. Overall Arrangement

Lable1.grid (padx=4, pady=4, row=0, column=0, columnspan=4)

9. Button

Button_clear = tk.Button (root, text='C', width=5, font= ('Song', 16), relief='flat', background='#C0C0C0', command=lambda: clear () button_back = tk.Button (root, text=' ←', width=5, font= ('Song', 16), relief='flat', background='#C0C0C0', command=lambda: back () button_division = tk.Button (root, text='/', width=5, font= ('Song', 16), relief='flat', background='#C0C0C0' Command=lambda: operator ('/') button_multiplication = tk.Button (root, text='x', width=5, font= ('Song', 16), relief='flat', background='#C0C0C0', command=lambda: operator ('*') button_clear .grid (padx=4, row=1, column=0) button_back .grid (padx=4, row=1, column=1) button_division .grid (padx=4, row=1, column=2) button_multiplication .grid (padx=4, row=1, column=3) button_seven = tk.Button (root) Text='7', width=5, font= ('Song style', 16), relief='flat', background='#FFDEAD', command=lambda: append_num ('7') button_eight = tk.Button (root, text='8', width=5, font= ('Song style', 16), relief='flat', background='#FFDEAD', command=lambda: append_num ('8') button_nine = tk.Button (root, text='9', width=5, font= ('Song style', 16), relief='flat', background='#FFDEAD' Command=lambda: append_num ('9') button_subtraction = tk.Button (root, text='-', width=5, font= ('Song', 16), relief='flat', background='#C0C0C0', command=lambda: operator ('-') button_seven. Grid (padx=4, row=2, column=0) button_eight. Grid (padx=4, row=2, column=1) button_nine. Grid (padx=4, row=2, column=2) button_subtraction. Grid (padx=4, row=2, column=3) button_four = tk.Button (root Text='4', width=5, font= ('Song', 16), relief='flat', background='#FFDEAD', command=lambda: append_num ('4') button_four.grid (padx=4, pady=4, row=3, column=0) button_five = tk.Button (root, text='5', width=5, font= ('Song', 16), relief='flat', background='#FFDEAD', command=lambda: append_num ('5') button_five.grid (padx=4, row=3, column=1) button_six = tk.Button (root, text='6', width=5) Font= ('Song', 16), relief='flat', background='#FFDEAD', command=lambda: append_num ('6') button_six.grid (padx=4, row=3, column=2) button_addition = tk.Button (root, text='+', width=5, font= ('Song', 16), relief='flat', background='#C0C0C0', command=lambda: operator ('+') button_addition.grid (padx=4, row=3, column=3) button_one = tk.Button (root, text='1', width=5, font= ('Song', 16) Relief='flat', background='#FFDEAD', command=lambda: append_num ('1') button_one.grid (padx=4, row=4, column=0) button_two = tk.Button (root, text='2', width=5, font= ('Song', 16), relief='flat', background='#FFDEAD', command=lambda: append_num ('2') button_two.grid (padx=4, row=4, column=1) button_three = tk.Button (root, text='3', width=5, font= ('Song', 16), relief='flat' Background='#FFDEAD', command=lambda: append_num ('3') button_three.grid (padx=4, row=4, column=2) button_equal = tk.Button (root, text='=', width=5, height=3, font= ('Song', 16), relief='flat', background='#C0C0C0', command=lambda: equal () button_equal.grid (padx=4, row=4, rowspan=5, column=3) button_zero = tk.Button (root, text='0', width=12, font= ('Song', 16), relief='flat', background='#FFDEAD' Command=lambda: append_num ('0') button_zero.grid (padx=4, pady=4, row=5, column=0, columnspan=2) button_decimal = tk.Button (root, text='.', width=5, font= ('Verdana', 16), relief='flat', background='#FFDEAD', command=lambda: append_num ('.') button_decimal.grid (padx=4, row=5, column=2)

Now get the interface effect.

Function

Add a number

Def append_num (I): lists.append (I) result_num.set ('. Join (lists))

Select operation symbol

Def operator (I): if len (lists) > 0: if lists [- 1] in ['+','-','*','/']: lists [- 1] = I else: lists.append (I) result_num.set (''.join (lists))

Zero clearance

Def clear (): lists.clear () result_num.set (0)

Backspace

Def back (): del lists [- 1] result_num.set (lists)

Equal sign

Def equal (): a = '.join (lists) end_num = eval (a) result_num.set (end_num) lists.clear () lists.append (str (end_num))

Define a list to collect input

Lists = [] result_num = tk.StringVar () result_num.set (0)

Finally, run the code, and the effect is as follows

Try it first.

Get the result of the operation

This is the end of the article on "how to use Python to develop a desktop Mini Program". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it out for more people to see.

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