• 1:如果没有安装pillow模块的，先安装一下pillow模块

                              命令：pip install pillow

  • 2:代码： 
#引入绘图模块
from PIL import Image,ImageDraw,ImageFont
#引入随机函数模块
import random
import io

def verifycode():
	#定义变量，用于画面的背景颜色，宽，高 
	bgcolor = (random.randrange(20,100),random.randrange(20,100),random.randrange(20,100))
	width = 100
	height = 50
	#创建画面对象
	im = Image.new('RGB',(width,height),bgcolor)
	#创建画笔对象
	draw = ImageDraw.Draw(im)
	#调用画笔的point()函数绘制噪点
	for i in range(0,100):
		xy = (random.randrange(0,width),random.randrange(0,height))
		fill = (random.randrange(0,255),255,random.randrange(0,255))
		draw.point(xy,fill=fill)
	#定义验证码的备选值
	str = '1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM'
	#随机选取4个值作为验证码
	rand_str = ''
	for i in range(0,4):
		rand_str +=str[random.randrange(0,len(str))]
	# 构造字体对象
	font = ImageFont.truetype(r'C:\Windows\Fonts\AdobeArabic-Bold.otf',40)
	#构造字体颜色
	fontcolor1 = (255,random.randrange(0,255),random.randrange(0,255))
	fontcolor2 = (255,random.randrange(0,255),random.randrange(0,255))
	fontcolor3 = (255,random.randrange(0,255),random.randrange(0,255))
	fontcolor4 = (255,random.randrange(0,255),random.randrange(0,255))
	#绘制4个字
	draw.text((5,2),rand_str[0],font=font,fill=fontcolor1)
	draw.text((25,2),rand_str[1],font=font,fill=fontcolor2)
	draw.text((50,2),rand_str[2],font=font,fill=fontcolor3)
	draw.text((75,2),rand_str[3],font=font,fill=fontcolor4)
	im.show()
	
if __name__ == '__main__':
	verifycode()