用PIL做随机验证码

最新推荐文章于 2019-10-10 23:00:34 发布

kisssfish

最新推荐文章于 2019-10-10 23:00:34 发布

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from PIL import Image, ImageDraw, ImageFont, ImageFilter
import random

def rndChar():
    ran_num = str(random.randint(0,9)) # 随机数字
    ran_low = chr(random.randint(97,122)) # 随机小写字母
    ran_up = chr(random.randint(65,90)) # 随机大写字母
    ran_char = random.choice([ran_num, ran_low, ran_up])
    return ran_char

def rndColor():
    return (random.randint(0,255), random.randint(0,255),
            random.randint(0,255))

def rndColor2():
    return (random.randint(32,255), random.randint(32, 255),
            random.randint(32,255))


image = Image.new('RGB', (240,60), rndColor()) # 建立图片，设置格式大小颜色
font = ImageFont.truetype('Arial.ttf',36)
draw = ImageDraw.Draw(image) # 获取画笔对象，将图片对象传过去

# 生成随机字符
for t in range(4):
    draw.text((random.randint(40,60)*t+10,random.randint(5,30)),
                rndChar(),font=font,fill=rndColor2())
    width = 240
    height = 60

#画噪线
for i in range(5):
    x1 = random.randint(0,width)
    x2 = random.randint(0,width)
    y1 = random.randint(0,height)
    y2 = random.randint(0,height)
    draw.line((x1,y1,x2,y2), fill=rndColor())

#画噪点
for i in range(30):                   
    draw.point([random.randint(0,width),random.randint(0,height)],
                fill=rndColor2())
    x = random.randint(0,width)
    y = random.randint(0,height)
    draw.arc((x, y, x+4, y+4), 0, 90, fill=rndColor2())   # 画圆弧

# image = image.filter(ImageFilter.BLUR) # 模糊图像
image.show() #可以改成保存