验证码制作
#string模块自带数字、字母、特殊字符变量集合,不需要我们手写集合 import string import random import os import uuid import settings from PIL import Image,ImageDraw,ImageColor,ImageFilter,ImageFont class Code(object): # 生成随机生成数字或字母 def random_hexdigits(self,len=1): return random.sample(string.hexdigits,len) # 生成干扰字符 def punctuation(self,len=1): return tuple(random.sample(string.punctuation,len)) # 定义干扰字符颜色 def random_color(self,min=64,max=255): return tuple((random.randint(min,max) for i in range(3))) # 生成验证码 def creat_code(self,width=80,height=24,color=(192,192,192)): image = Image.new('RGB',(width,height),color) #建议下载几款字体,变换下风格,我在setting粒定义了static路径,这里就直接导入了 font = ImageFont.truetype(os.path.join(settings.STATICPATH,'fonts/Lora-Regular.ttf'),20) draw = ImageDraw.Draw(image) self.fill_color(draw,image,5) self.fill_dischar(draw,10) code = self.fill_char(draw,4,10,font) image_name = '{}.jpeg'.format(uuid.uuid4().hex) image_path = os.path.join(settings.STATICPATH,'code/{}'.format(image_name)) print(image_path) image.save(image_path) return {'code': code,'image_path': image_path} # 填充颜色 def fill_color(self,draw,interval): for i in range(0,image.width,interval): for j in range(0,image.height,interval): draw.point((i,j),fill=self.random_color()) # 填充验证码 def fill_dischar(self,interval): dis = self.punctuation() j = random.randrange(3,image.height - 3) draw.text((i,dis[0],fill=self.random_color(64,255)) # 填充验证码 def fill_char(self,num,interval,font): code = '' for i in range(num): cha = self.random_hexdigits() code += str(cha[0]) j = random.randrange(0,5) # print(cha) # print(image.width*(i/num)+interval,j) draw.text((image.width * (i / num) + interval,cha[0],fill=self.random_color(32,127),font=font) return code if __name__ == "__main__": code = Code() print(code.creat_code())
flask路由配置
import os from flask import Flask,Response from flask import render_template from utils.code import Code app = Flask(__name__) @app.route('/') def Register(): return render_template('verify.html') @app.route('/codes/') def code(): infor = Code().creat_code() image_path = infor["image_path"] code = infor['code'] print(image_path) with open(image_path,'rb') as f: image_content = f.read() os.remove(image_path) return Response(image_content,mimetype='jpeg') if __name__ == '__main__': app.run(debug=True)
前端配置
<div class='form-row'> <form id="email_register_form" method="post" autocomplete="off"> <div class="form-group "> <label>邮 箱</label> <input type="text" id="id_email" name="email" value="None" placeholder="请输入您的邮箱地址"/> </div> <div class="form-group "> <label>密 码</label> <input type="password" id="id_password" name="password" value="None" placeholder="请输入6-20位非中文字符密码"/> </div> <div class="form-group captcha1 "> <label>验 证 码</label> <img src="/codes/" alt="captcha" title="点击切换" class="captcha" onclick="this.src='codes/?'+Math.random()"/> <input autocomplete="off" id="id_captcha_1" name="captcha_1" height="30px" type="text"> </div> <input class="btn btn-green" id="jsEmailRegBtn" type="submit" value="注册"/> </form>
源码分享:https://github.com/geekdick/pythonDemo/tree/master/verify
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