python小程序-0008

第8题：生成类似于下图中的字母验证码图片

#!/usr/bin/env python3
# -*- coding : utf-8 -*-

from PIL import Image,ImageDraw,ImageFont,ImageFilter
import string
import random

def getrandomChar():
    return [random.choice(string.ascii_letters) for i_ in range(4)]

def getrandomColor(begin,end):
    return (random.randint(begin,end),random.randint(begin,end),random.randint(begin,end))

def generateCode():
    code = getrandomChar()
    print(code)

    width = 280
    height = 80
    img = Image.new('RGB',(width,height),(255,255,255))
    font = ImageFont.truetype("C:\Windows\Fonts\calibri.ttf",42)
    draw = ImageDraw.Draw(img)
    for i in range(width):
        for j in range(height):
            draw.point((i,j),fill = getrandomColor(64,255))

    for i in range(4):
        draw.text((70 * i + random.randint(0,50),random.randint(0,50)),code[i],font = font,fill = getrandomColor(0,100))

    img = img.filter(ImageFilter.BLUR)
    img.save('test.jpg','jpeg')
    img.show()


if __name__ == "__main__":
    generateCode()

输出示例：