Python生成验证码

 1 from PIL import Image, ImageDraw, ImageFont, ImageFilter
 2 import random
 3 
 4 
 5 def check_code(width=120, height=30, char_length=5, font_file=‘kumo.ttf‘, font_size=28):
 6     code = []
 7     img = Image.new(mode=‘RGB‘, size=(width, height), color=(255, 255, 255))
 8     draw = ImageDraw.Draw(img, mode=‘RGB‘)
 9     
10     def random_char():
11         """
12         生成随机字母
13         :return:
14         """
15         return chr(random.randint(65, 90))
16 
17     def random_color():
18         """
19         生成随机颜色
20         :return:
21         """
22         return random.randint(0, 255), random.randint(10, 255), random.randint(64, 255)
23 
24     # 写文字
25     font = ImageFont.truetype(font_file, font_size)
26     for i in range(char_length):
27         char = random_char()
28         code.append(char)
29         h = random.randint(0, 4)
30         draw.text([i * width / char_length, h], char, font=font, fill=random_color())
31 
32     # 写干扰点
33     for i in range(40):
34         draw.point([random.randint(0, width), random.randint(0, height)], fill=random_color())
35 
36     # 写干扰圆圈
37     for i in range(40):
38         draw.point([random.randint(0, width), random.randint(0, height)], fill=random_color())
39         x = random.randint(0, width)
40         y = random.randint(0, height)
41         draw.arc((x, y, x + 4, y + 4), 0, 90, fill=random_color())
42 
43     # 画干扰线
44     for i in range(5):
45         x1 = random.randint(0, width)
46         y1 = random.randint(0, height)
47         x2 = random.randint(0, width)
48         y2 = random.randint(0, height)
49 
50         draw.line((x1, y1, x2, y2), fill=random_color())
51 
52     img = img.filter(ImageFilter.EDGE_ENHANCE_MORE)
53     return img,‘‘.join(code)
54 
55 
56 if __name__ == ‘__main__‘:
57     # 1. 直接打开
58     img, code = check_code()
59     img.show()
60     print(code)