pip install pillow实现代码
import random
from PIL import Image, ImageDraw, ImageFont,ImageFilterdef check_code(width=120, height=30, char_length=5, 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 :return:"""return chr(random.randint(65, 90))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(40):draw.point([random.randint(0, width), random.randint(0, height)], fill=rndColor())# 写干扰圆圈for i in range(40):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(5):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)return img, ''.join(code)if __name__ == '__main__':# 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()# pass效果
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