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