Python 随机生成中文验证码

http://www.oschina.net/code/snippet_12_325

[代码] python代码

01	# -*- coding: utf-8 -*-

02	import Image,ImageDraw,ImageFont

03	import random

04	import math, string

05

06	class RandomChar():

07	"""用于随机生成汉字"""

08	@staticmethod

09	def Unicode():

10	val = random.randint(0x4E00, 0x9FBF)

11	return unichr(val)

12

13	@staticmethod

14	def GB2312():

15	head = random.randint(0xB0, 0xCF)

16	body = random.randint(0xA, 0xF)

17	tail = random.randint(0, 0xF)

18	val = ( head << 8 ) | (body << 4) | tail

19	str = "%x" % val

20	return str.decode('hex').decode('gb2312')

21

22	class ImageChar():

23	def __init__(self, fontColor = (0, 0, 0),

24	size = (100, 40),

25	fontPath = 'wqy.ttc',

26	bgColor = (255, 255, 255),

27	fontSize = 20):

28	self.size = size

29	self.fontPath = fontPath

30	self.bgColor = bgColor

31	self.fontSize = fontSize

32	self.fontColor = fontColor

33	self.font = ImageFont.truetype(self.fontPath, self.fontSize)

34	self.image = Image.new('RGB', size, bgColor)

35

36	def rotate(self):

37	self.image.rotate(random.randint(0, 30), expand=0)

38

39	def drawText(self, pos, txt, fill):

40	draw = ImageDraw.Draw(self.image)

41	draw.text(pos, txt, font=self.font, fill=fill)

42

del draw

43

44	def randRGB(self):

45	return (random.randint(0, 255),

46	random.randint(0, 255),

47	random.randint(0, 255))

48

49	def randPoint(self):

50	(width, height) = self.size

51	return (random.randint(0, width), random.randint(0, height))

52

53	def randLine(self, num):

54	draw = ImageDraw.Draw(self.image)

55	for i in range(0, num):

56	draw.line([self.randPoint(), self.randPoint()], self.randRGB())

57

del draw

58

59	def randChinese(self, num):

60

gap = 5

61

start = 0

62	for i in range(0, num):

63	char = RandomChar().GB2312()

64	x = start + self.fontSize * i + random.randint(0, gap) + gap * i

65	self.drawText((x, random.randint(-5, 5)), RandomChar().GB2312(), self.randRGB())

66	self.rotate()

67	self.randLine(18)

68

69	def save(self, path):

70	self.image.save(path)

[代码] 调用方法

1	ic = ImageChar(fontColor=(100,211, 90))

2	ic.randChinese(4)

3	ic.save("1.jpeg")

[图片] 效果图