1 utils.py

import randomdef get_random_code():code = ''for i in range(5):# 随机生成大写字母upper_char = chr(random.randint(65, 90))lower_char = chr(random.randint(97, 122))num_char = str(random.randint(0, 9))res = random.choice([upper_char, lower_char, num_char])code += resreturn codedef get_random_rgb():return (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))

注意：ttf字体下载

2 生成验证码

from PIL import Image, ImageDraw, ImageFont
from io import BytesIOimport randomfrom .utils import get_random_code, get_random_rgbdef get_code(request):width, hight = 300, 38image_tmp = Image.new('RGB', (width, hight), get_random_rgb())# 把空图片放在画板上draw = ImageDraw.Draw(image_tmp)# 加入字体需要去下载哦img_font = ImageFont.truetype('./static/font/ss.ttf', 23)# 验证码code_str = get_random_code()for i, item in enumerate(code_str):draw.text((20 + i * 45, 0), item, fill=get_random_rgb(), font=img_font)# 在图片上画点for i in range(50):# 画点draw.point([random.randint(0, width), random.randint(0, hight)], fill=get_random_rgb())# 画弧形x = random.randint(0, width)y = random.randint(0, hight)draw.arc((x, y, x + 4, y + 4), 0, 90, fill=get_random_rgb())# 在图片上划线for i in range(6):x1 = random.randint(0, width)x2 = random.randint(0, width)y1 = random.randint(0, hight)y2 = random.randint(0, hight)# 在图片上画线draw.line((x1, y1, x2, y2), fill=get_random_rgb())my_io = BytesIO()image_tmp.save(my_io, 'png')return HttpResponse(my_io.getvalue())

效果图：