import random
from PIL import Image, ImageDraw, ImageFont, ImageFilter
# 图片的写文本的基础使用
# img = Image.new(mode="RGB", size=(120, 30), color=(255, 255, 255))
# draw = ImageDraw.Draw(img, mode="RGB")
# font = ImageFont.truetype("simkai.ttf", 28)
# draw.text([0, 0], "我是中国人", "red", font=font)
#
# with open('code.png', mode='wb') as f:
# img.save(f, format='png')
def check_code(width=120, height=30, char_length=5, font_file='simkai.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__':
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()
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