<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <link rel="stylesheet" href="/static/plugins/bootstrap-3.3.7/css/bootstrap.min.css"> <link rel="stylesheet" href="/static/css/edmure.css"> <link rel="stylesheet" href="/static/css/account.css"> <link rel="stylesheet" href="/static/css/commons.css"> </head> <body> <div class="register"> <div style="font-size: 25px; font-weight: bold; text-align: center"> 用户注册 </div> <form id="fm" method="post" action="/register.html" novalidate> <div class="form-group"> <label for="username">用户名:</label><span class="pull-right error text-danger">{{ errors.username.0 }}</span> {{ form.username }} </div> <div class="form-group"> <label for="email">邮箱:</label><span class="pull-right error text-danger">{{ errors.email.0 }}</span> {{ form.email }} </div> <div class="form-group"> <label for="password">密码:</label><span class="pull-right error text-danger">{{ errors.password.0 }}</span> {{ form.password }} </div> <div class="form-group"> <label for="confirm">确认密码:</label><span class="pull-right error text-danger">{{ form.non_field_errors }}</span> {{ form.confirm }} </div> <div class="form-group"> <label for="check_code">验证码:</label><span class="pull-right error text-danger">{{ result.message }}</span> <div class="row"> <div class="col-xs-7"> <input type="text" class="form-control" name="check_code" id="check_code" placeholder="请输入验证码"> </div> <div class="col-xs-5"> <img id="check_code_img" src="/check_code.html" onclick="changeImg(this);"> </div> </div> </div> <div class="error btns login-form-tips" id="jsLoginTips"> {% for key,error in errors.items %} {{ error }} {% endfor %} </div> <div class="row"> <div class="col-xs-3"> <input type="submit" id="register" class="btn btn-default" value="注 册" /> </div> <div class="col-xs-9" style="padding-left: 0;"> <div class="alert alert-danger hide"> <span style="padding: 0 5px 0 5px;display: inline-block;font-size: 14px"> <i class="fa fa-minus-circle" aria-hidden="true"></i> </span> <span id="error_msg" style="font-size: 12px;"></span> </div> </div> </div> </form> </div> <script src="/static/plugins/jquery-3.4.1.min.js"></script> <script src="/static/plugins/bootstrap-3.3.7/js/bootstrap.min.js"></script> <script> function changeImg(ths) { ths.src += "?"; } </script> </body> </html>
验证码模块 check_code.py
#!/usr/bin/env python # -*- coding:utf-8 -*- import random from PIL import Image, ImageDraw, ImageFont, ImageFilter _letter_cases = "abcdefghjkmnpqrstuvwxy" # 小写字母，去除可能干扰的i，l，o，z _upper_cases = _letter_cases.upper() # 大写字母 _numbers = ''.join(map(str, range(3, 10))) # 数字 init_chars = ''.join((_letter_cases, _upper_cases, _numbers)) def create_validate_code(size=(120, 30), chars=init_chars, img_type="GIF", mode="RGB", bg_color=(255, 255, 255), fg_color=(0, 0, 255), font_size=18, font_type="Monaco.ttf", length=4, draw_lines=True, n_line=(1, 2), draw_points=True, point_chance=2): """ @todo: 生成验证码图片 @param size: 图片的大小，格式（宽，高），默认为(120, 30) @param chars: 允许的字符集合，格式字符串 @param img_type: 图片保存的格式，默认为GIF，可选的为GIF，JPEG，TIFF，PNG @param mode: 图片模式，默认为RGB @param bg_color: 背景颜色，默认为白色 @param fg_color: 前景色，验证码字符颜色，默认为蓝色#0000FF @param font_size: 验证码字体大小 @param font_type: 验证码字体，默认为 ae_AlArabiya.ttf @param length: 验证码字符个数 @param draw_lines: 是否划干扰线 @param n_lines: 干扰线的条数范围，格式元组，默认为(1, 2)，只有draw_lines为True时有效 @param draw_points: 是否画干扰点 @param point_chance: 干扰点出现的概率，大小范围[0, 100] @return: [0]: PIL Image实例 @return: [1]: 验证码图片中的字符串 """ width, height = size # 宽高 # 创建图形 img = Image.new(mode, size, bg_color) draw = ImageDraw.Draw(img) # 创建画笔 def get_chars(): """生成给定长度的字符串，返回列表格式""" return random.sample(chars, length) def create_lines(): """绘制干扰线""" line_num = random.randint(*n_line) # 干扰线条数 for i in range(line_num): # 起始点 begin = (random.randint(0, size[0]), random.randint(0, size[1])) # 结束点 end = (random.randint(0, size[0]), random.randint(0, size[1])) draw.line([begin, end], fill=(0, 0, 0)) def create_points(): """绘制干扰点""" chance = min(100, max(0, int(point_chance))) # 大小限制在[0, 100] for w in range(width): for h in range(height): tmp = random.randint(0, 100) if tmp > 100 - chance: draw.point((w, h), fill=(0, 0, 0)) def create_strs(): """绘制验证码字符""" c_chars = get_chars() strs = ' %s ' % ' '.join(c_chars) # 每个字符前后以空格隔开 font = ImageFont.truetype(font_type, font_size) font_width, font_height = font.getsize(strs) draw.text(((width - font_width) / 3, (height - font_height) / 3), strs, font=font, fill=fg_color) return ''.join(c_chars) if draw_lines: create_lines() if draw_points: create_points() strs = create_strs() # 图形扭曲参数 params = [1 - float(random.randint(1, 2)) / 100, 0, 0, 0, 1 - float(random.randint(1, 10)) / 100, float(random.randint(1, 2)) / 500, 0.001, float(random.randint(1, 2)) / 500 ] img = img.transform(size, Image.PERSPECTIVE, params) # 创建扭曲 img = img.filter(ImageFilter.EDGE_ENHANCE_MORE) # 滤镜，边界加强（阈值更大） return img, strs
views.py
from django.shortcuts import render, redirect, HttpResponse from io import BytesIO from check_code import create_validate_code from registerForm import RegisterForm from app01 import models from django.http import JsonResponse def check_code(request): """ 验证码 :param request: :return: """ stream = BytesIO() img, code = create_validate_code() img.save(stream, 'PNG') request.session['check_code'] = code return HttpResponse(stream.getvalue()) def register(request): if request.method == "POST": form = RegisterForm(request.POST) input_code = request.POST.get('check_code') check_cd = request.session['check_code'] if input_code.upper() == check_cd.upper(): if form.is_valid(): print('a', form.cleaned_data) username = form.cleaned_data.get('username') email = form.cleaned_data.get('email') password = form.cleaned_data.get('password') models.UserInfo.objects.create(username=username, email=email, password=password) return redirect('/') else: errors = form.errors print('b', form.errors) return render(request, 'register.html', {'errors': errors, 'form': form}) else: print(form.errors) result = {} if not input_code: result['message'] = '验证码不能为空' else: result['message'] = '验证码输入错误' return render(request, 'register.html', {'form': form, 'result': result}) form = RegisterForm() return render(request, 'register.html', {'form': form})
registerForm.py
from django import forms from django.core.exceptions import ValidationError from app01 import models class RegisterForm(forms.Form): username = forms.CharField( min_length=3, max_length=20, error_messages={ 'required': '用户名不能为空', 'min_length': '用户名不能小于6位', 'max_length': '用户名不能超过20个字' }, widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': '请输入用户名', 'id':'username'}), ) password = forms.RegexField( '^(?=.*[0-9])(?=.*[a-zA-Z])[0-9a-zA-Z~!@#$%^&*.,]{8,18}$', min_length=8, max_length=18, error_messages={ 'required': '密码不能为空', 'invalid': '密码为8-18位,必须包含数字和字母,可以包含~!@#$%^&*.,字符', 'min_length': '密码不能小于8位', 'max_length': '密码不能多于18位', }, widget=forms.PasswordInput(attrs={'class': 'form-control', 'placeholder': '请输入密码', 'id':'password'}), ) confirm = forms.RegexField( '^(?=.*[0-9])(?=.*[a-zA-Z])[0-9a-zA-Z~!@#$%^&*.,]{8,18}$', min_length=8, max_length=18, error_messages={ 'required': '密码不能为空', 'invalid': '密码为8-18位,必须包含数字和字母,可以包含~!@#$%^&*.,字符', 'min_length': '密码不能小于8位', 'max_length': '密码不能多于18位', }, widget = forms.PasswordInput(attrs={'class': 'form-control', 'placeholder': '请确认密码', 'id':'confirm'}), ) email = forms.EmailField( error_messages={ 'required': '邮箱不能为空', 'invalid': '邮箱格式错误', }, widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': '请输入邮箱', 'id':'email'}), ) def clean_username(self): username = self.cleaned_data.get('username') if models.UserInfo.objects.filter(username=username).count(): raise ValidationError('用户名已存在') return username def clean_email(self): email = self.cleaned_data.get('email') if models.UserInfo.objects.filter(email=email).count(): raise ValidationError('邮箱已经被注册') return email def clean(self): if self.cleaned_data.get('password') != self.cleaned_data.get('confirm'): raise ValidationError('两次密码输入不一致') return self.cleaned_data