验证码

未分类

import random
import string
from PIL import Image, ImageFont, ImageDraw, ImageFilter
def rnd_Color(): # 随机颜色
    return (random.randint(32, 127), random.randint(32, 127), random.randint(32, 127))
def gene_text(): # 生成4位验证码
    return ''.join(random.sample(string.ascii_letters+string.digits, 4))
def draw_lines(draw, num, width, height): # 划线
    for num in range(num):
        x1 = random.randint(0, width / 2)
        y1 = random.randint(0, height / 2)
        x2 = random.randint(0, width)
        y2 = random.randint(height / 2, height)
        draw.line(((x1, y1), (x2, y2)), fill='black', width=1)
def get_verify_code():
    #生成验证码图形
    code = gene_text()
    # 图片大小120×50
    width, height = 120, 50
    # 新图片对象
    im = Image.new('RGB',(width, height),'white')
    # 字体
    font = ImageFont.truetype('app/static/mplus-1m-regular.woff2.ttf', 40)
    # draw对象
    draw = ImageDraw.Draw(im)
    # 绘制字符串
    for item in range(4):
        draw.text((5+random.randint(-3,3)+23*item, 5+random.randint(-3,3)),
                  text=code[item], fill=rnd_Color(),font=font )
    # 划线
    # 高斯模糊 draw_lines(draw, 2, width, height)
    im = im.filter(ImageFilter.GaussianBlur(radius=1.5))
    return im, code