Python 生成4位验证码图片

import randomimport stringfrom PIL import Image,ImageDraw,ImageFont,ImageFilter

# 字体的位置font_path = "/Library/Fonts/Arial.ttf"# 验证码的位数number = 4# 生成图片的大小size = (100,30)# 图片背景颜色-白色bgcolor = (255,255,255)# 验证码字体颜色——蓝色fontcolor = (0,0,255)# 干扰线的颜色——红色linecolor = (255,0,0)# 是否加入干扰线draw_line = True# 图片上干扰线的颜色line_number = (1,5)

def gene_text():    # 获取26个英文字母    source = list(string.ascii_letters)    for index in range(0, 10):        # 获取10个数字        source.append(str(index))    return ‘‘.join(random.sample(source, number))  # number是生成验证码的位数

#用来绘制干扰线def gene_line(draw,width,height):    begin = (random.randint(0, width), random.randint(0, height))    end = (random.randint(0, width), random.randint(0, height))    draw.line([begin, end], fill = linecolor)

#生成验证码def gene_code(k):    # 宽和高    width,height = size    # 创建图片    image = Image.new(‘RGBA‘,(width,height),bgcolor)    # 验证码的字体    font = ImageFont.truetype(font_path,25)    # 创建画笔    draw = ImageDraw.Draw(image)    # 生成字符串    text = gene_text()    font_width, font_height = font.getsize(text)    # 填充字符串    draw.text(((width - font_width) / number, (height - font_height) / number),text,\            font= font,fill=fontcolor)    if draw_line:        gene_line(draw,width,height)    # 创建扭曲    image = image.transform((width+20,height+10), Image.AFFINE, (1,-0.3,0,-0.1,1,0),Image.BILINEAR)    # 滤镜，边界加强    image = image.filter(ImageFilter.EDGE_ENHANCE_MORE)    # 保存验证码图片    image.save(‘%d.png‘%k)

if __name__ == "__main__":    # 循环创建验证码图片    for i in range(0,1000):        gene_code(i)