87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
"""
|
||
Python生成随机验证码，需要使用PIL模块.
|
||
参考资料：https://www.cnblogs.com/wupeiqi/articles/5812291.
|
||
要用到字体文件 ，和本文件放到一个目录下
|
||
pip3 install pillow
|
||
"""
|
||
import random
|
||
from PIL import Image, ImageDraw, ImageFont,ImageFilter
|
||
|
||
|
||
def check_code(width=120, height=50, char_length=4, font_file='kumo.ttf', font_size=28):
|
||
code = []
|
||
img = Image.new(mode='RGB', size=(width, height), color=(255, 255, 255))
|
||
draw = ImageDraw.Draw(img, mode='RGB')
|
||
|
||
def rndChar():
|
||
"""
|
||
生成随机字母,也可以是数字
|
||
:return:
|
||
"""
|
||
# return chr(random.randint(65, 90))
|
||
return str(random.randint(0,9))
|
||
|
||
def rndColor():
|
||
"""
|
||
生成随机颜色
|
||
:return:
|
||
"""
|
||
return (random.randint(0, 255), random.randint(10, 255), random.randint(64, 255))
|
||
|
||
# 写文字
|
||
font = ImageFont.truetype(font_file, font_size)
|
||
for i in range(char_length):
|
||
char = rndChar()
|
||
code.append(char)
|
||
h = random.randint(0, 4)
|
||
draw.text([i * width / char_length, h], char, font=font, fill=rndColor())
|
||
|
||
# # 写干扰点
|
||
# for i in range(1):
|
||
# draw.point([random.randint(0, width), random.randint(0, height)], fill=rndColor())
|
||
#
|
||
# # 写干扰圆圈
|
||
# for i in range(1):
|
||
# draw.point([random.randint(0, width), random.randint(0, height)], fill=rndColor())
|
||
# x = random.randint(0, width)
|
||
# y = random.randint(0, height)
|
||
# draw.arc((x, y, x + 4, y + 4), 0, 90, fill=rndColor())
|
||
|
||
# 画干扰线
|
||
# for i in range(1):
|
||
# x1 = random.randint(0, width)
|
||
# y1 = random.randint(0, height)
|
||
# x2 = random.randint(0, width)
|
||
# y2 = random.randint(0, height)
|
||
#
|
||
# draw.line((x1, y1, x2, y2), fill=rndColor())
|
||
|
||
img = img.filter(ImageFilter.EDGE_ENHANCE_MORE)
|
||
# 返回两个参数，img是图片,code是生成的字符
|
||
return img, ''.join(code)
|
||
|
||
#
|
||
# if __name__ == '__main__':
|
||
# img, code_str = check_code()
|
||
# print(code_str)
|
||
# # 1. 直接打开
|
||
# # img,code = check_code()
|
||
# img.show()
|
||
#
|
||
# # 2. 写入文件
|
||
# # img,code = check_code()
|
||
# # with open('code.png','wb') as f:
|
||
# # img.save(f,format='png')
|
||
#
|
||
# # 3. 写入内存(Python3)
|
||
# # from io import BytesIO
|
||
# # stream = BytesIO()
|
||
# # img.save(stream, 'png')
|
||
# # stream.getvalue()
|
||
#
|
||
# # 4. 写入内存（Python2）
|
||
# # import StringIO
|
||
# # stream = StringIO.StringIO()
|
||
# # img.save(stream, 'png')
|
||
# # stream.getvalue()
|