python 生成验证码

python

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


# 随机字母:
def rndChar():
  return chr(random.randint(65, 90))

# 随机颜色1:
def rndColor():
  return (random.randint(64, 255), random.randint(64, 255), random.randint(64, 255))

# 随机颜色2:
def rndColor2():
  return (random.randint(32, 127), random.randint(32, 127), random.randint(32, 127))

'''生成验证码,fontFile为字体文件,saveImageFile为生成验证码图片文件
'''
def GetVerifyCode(fontFile,saveImageFile,width = 60 * 4, height = 60):
  fontFile = unicode(fontFile,'utf8')
  saveImageFile = unicode(saveImageFile,'utf8')
  image = Image.new('RGB', (width, height), (255, 255, 255))
  # 创建Font对象:
  font = ImageFont.truetype(fontFile, 36)
  # 创建Draw对象:
  draw = ImageDraw.Draw(image)
  # 填充每个像素:
  for x in range(width):
  for y in range(height):
  draw.point((x, y), fill=rndColor())

  # 输出文字:
  for t in range(4):
  draw.text((60 * t + 10, 10), rndChar(), font=font, fill=rndColor2())

  # 模糊:
  image = image.filter(ImageFilter.BLUR)
  image.save(saveImageFile, 'jpeg');

  #测试代码
  fontfile='D:\\Arial.ttf'
  savefile='D:\\code1.jpg'
  GetVerifyCode(fontfile,savefile)

  

请请参考PIL官方文档:

http://effbot.org/imagingbook/

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