第三百八十五节，Django+Xadmin打造上线标准的在线教育平台—登录功能实现，回填数据以及错误提示html

from django.conf.urls import url, include ??????????????????# 导入django自在的include逻辑from django.contrib import adminfrom django.views.generic import TemplateView ??????????????# 导入django自带的TemplateView逻辑import xadmin ??????????????????????????????????????????????# 导入xadminfrom app_users.views import deng_lu, zhu_ce, active_code, logout ????????????????# 导入登录逻辑处理类urlpatterns = [ ???url(r‘^xadmin/‘, xadmin.site.urls), ???url(r‘^index.html‘, TemplateView.as_view(template_name=‘index.html‘), name=‘index‘), ???url(r‘^register.html‘, zhu_ce.as_view(), name=‘register‘), ???url(r‘^captcha/‘, include(‘captcha.urls‘), name=‘captcha‘), ???url(r‘^active/(?P<active_de>.*)/$‘, active_code.as_view(), name="user_active"), ???url(r‘^login.html‘, TemplateView.as_view(template_name=‘login.html‘), name=‘login‘), ???url(r‘^deng_lu‘, deng_lu.as_view(), name=‘deng_lu‘), ???url(r‘^logout‘, logout.as_view(), name=‘deng_lu‘),]

#!/usr/bin/env python# -*- coding:utf8 -*-# 表单验证from django import forms ????????????????# 导入Django的表单验证模块from captcha.fields import CaptchaFieldclass deng_lu_forms(forms.Form): ????????# 自定义验证表单类，继承Django的表单验证类 ???username = forms.CharField( ???????required=True, ???????max_length=20, ???????min_length=2, ???????error_messages={ ???????????‘required‘: ‘用户名不能为空‘, ???????????‘max_length‘: ‘用户名长度不得超过20个字符‘, ???????????‘min_length‘: ‘用户名长度不得少于2个字符‘, ???????} ???) ???password = forms.CharField( ???????required=True, ???????max_length=20, ???????min_length=2, ???????error_messages={ ???????????‘required‘: ‘密码不能为空‘, ???????????‘max_length‘: ‘密码长度不得超过20个字符‘, ???????????‘min_length‘: ‘密码长度不得少于2个字符‘, ???????} ???)

#!/usr/bin/env python# -*- coding:utf8 -*-import io ?# 导入io模块from django.shortcuts import render, HttpResponse, redirect ????????????????????????????????# 导入django向浏览器返回方法from django.views.generic.base import Viewfrom django.db.models import F,Q ???????????????????????????????????????????????????????????# 导入F和Qfrom django.contrib.auth.hashers import make_password, check_password ??????????????????????# 导入django密码加密，和密码验证from django.contrib.auth import login ??????????????????????????????????????????????????????# 调用django的登录函数from app_users.forms import deng_lu_forms, zhu_ce_forms ???????????????????????????????????# 导入登录页面表单认证from app_users.models import Users, Email ??????????????????????????????????????????????????# 导入数据库操作from utils.email_send import send_register_email ???????????????????????????????????????????# 导入邮件发送class deng_lu(View): ???def get(self, request): ???????return render(request, ‘login.html‘, {}) ???def post(self, request): ???????f = deng_lu_forms(request.POST) ????????????????# 实列化表单认证类，将用户post提交的数据传入进行认证 ???????if f.is_valid(): ???????????????????????????????# 判断认证是否成功 ???????????tong_guo = f.cleaned_data ??????????????????# 认证成功，接收用户数据 ???????????username = tong_guo[‘username‘] ???????????password = tong_guo[‘password‘] ???????????user = Users.objects.filter(username=username) ???????????if user: ???????????????for i in user: ???????????????????mima = i.password ???????????????????pdmima = check_password(password, mima) ???????????????????if not pdmima: ???????????????????????tishi = ‘密码不正确‘ ???????????????????????return render(request, ‘login.html‘, {‘tishi‘: tishi}) ???????????????????else: ???????????????????????request.session["zhuang_tai"] = True ?????????????????????# 创建session ???????????????????????request.session["username"] = username ???????????????????????# request.session["password"] = password ???????????????????????return redirect(‘/index.html‘) ???????????else: ???????????????tishi = ‘用户不存在‘ ???????????????return render(request, ‘login.html‘, {‘tishi‘: tishi}) ???????else: ??????????????????????????????????????????????????????????????????# 认证不成功，接收错误信息 ???????????cuo_wu = f.errors ??????????????????????????????????????????????????# 接收错误信息 ???????????return render(request, ‘login.html‘, {‘cuo_wu‘: cuo_wu}) ???????????# 将错误信息传到登录页面class logout(View): ???def get(self, request): ???????try: ???????????request.session.flush() ???????except KeyError: ???????????pass ???????return redirect(‘/index.html‘) ???def post(self, request): ???????pass

# session配置SESSION_COOKIE_NAME = "_sessionid_" ????????????# Session的cookie保存在浏览器上时的key，即：sessionid＝随机字符串（默认）SESSION_COOKIE_PATH = "/" ??????????????????????# Session的cookie保存的路径（默认）SESSION_COOKIE_DOMAIN = None ???????????????????# Session的cookie保存的域名（默认）SESSION_COOKIE_SECURE = False ??????????????????# 是否Https传输cookie（默认）SESSION_COOKIE_HTTPONLY = True ?????????????????# 是否Session的cookie只支持http传输（默认）SESSION_COOKIE_AGE = 1209600 ???????????????????# Session的cookie失效日期（2周）（默认）SESSION_EXPIRE_AT_BROWSER_CLOSE = False ????????# 是否关闭浏览器使得Session过期（默认）SESSION_SAVE_EVERY_REQUEST = False ?????????????# 是否每次请求都保存Session，默认修改之后才保存（默认），默认就好

#!/usr/bin/env python# -*- coding:utf8 -*-from django.utils.deprecation import MiddlewareMixinfrom django.shortcuts import renderclass zhongjianjian(MiddlewareMixin): ???def process_request(self, request): ???????print(‘有请求时执行‘) ???????# print(request.META) #请求对象内容 ???????#在这里可以做ip访问拦截器 ???def process_view(self, request, callback, callback_args, callback_kwargs): ???????print(‘逻辑处理之前执行‘) ???????zhuang_tai = request.session.get("zhuang_tai") ???????request.META[‘zhuang_tai‘] = zhuang_tai ???????username = request.session.get("username") ???????request.META[‘username‘] = username ???def process_exception(self, request, exception): ???????print(‘出错时执行‘) ???????# return render(request, ‘app1/cuowu.html‘) ???????print(exception) ???????#做程序出错时处理 ???def process_response(self, request, response): ???????print(‘响应后执行，无论是否出错‘) ???????return response

<!DOCTYPE html><html>{% load staticfiles %} ?????{# 启用静态文件引用 #}<head> ???<meta charset="UTF-8"> ???<meta name="renderer" content="webkit"> ???<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" > ???<title>课程机构列表 - 慕学在线网</title> ???<link rel="stylesheet" type="text/css" href="{% static ‘css/reset.css‘ %}"> ????{# 启用静态文件引用后才可以 #} ???<link rel="stylesheet" type="text/css" href="{% static ‘css/animate.css‘ %}"> ???<link rel="stylesheet" type="text/css" href="{% static ‘css/style.css‘ %}"> ???????<script src="{% static ‘js/jquery.min.js‘ %}" type="text/javascript"></script> ???<script src="{% static ‘js/jquery-migrate-1.2.1.min.js‘ %}" type="text/javascript"></script></head><body><section class="headerwrap "> ???<header> ???????<div ?class=" header"> ????????????<div class="top"> ???????????????<div class="wp"> ???????????????????<div class="fl"><p>服务电话：<b>33333333</b></p></div> ???????????????????<!--登录后跳转--> ???????????????????{{ request.META.zhuang_tai }} ???????????????????{% if request.META.zhuang_tai == True %} ???????????????????????<div class="personal"> ???????????????????????????<dl class="user fr"> ???????????????????????????????<dd>{{ request.META.username }}<img class="down fr" src="/static/images/top_down.png"/></dd> ???????????????????????????????<dt><img width="20" height="20" ????????????????????????????????????????src="/static/media/image/2016/12/default_big_14.png"/></dt> ???????????????????????????</dl> ???????????????????????????<div class="userdetail"> ???????????????????????????????<dl> ???????????????????????????????????<dt><img width="80" height="80" ????????????????????????????????????????????src="/static/media/image/2016/12/default_big_14.png"/></dt> ???????????????????????????????????<dd> ???????????????????????????????????????<h2>{{ request.META.username }}</h2> ???????????????????????????????????????<p>{{ request.META.username }}</p> ???????????????????????????????????</dd> ???????????????????????????????</dl> ???????????????????????????????<div class="btn"> ???????????????????????????????????<a class="personcenter fl" href="usercenter-info.html">进入个人中心</a> ???????????????????????????????????<a class="fr" href="/logout/">退出</a> ???????????????????????????????</div> ???????????????????????????</div> ???????????????????????</div> ???????????????????{% elif request.META.zhuang_tai != True %} ???????????????????????<a style="color:white" class="fr registerbtn" href="{% url ‘register‘ %}">注册</a> ???????????????????????<a style="color:white" class="fr loginbtn" href="/login.html">登录</a> ???????????????????{% endif %} ???????????????</div> ???????????</div>

<div class="tab-form"> ???????????????????<form id="email_register_form" method="post" action="{% url ‘register‘%}" autocomplete="off"> ???????????????????????<input type=‘hidden‘ name=‘csrfmiddlewaretoken‘ value=‘gTZljXgnpvxn0fKZ1XkWrM1PrCGSjiCZ‘ /> ???????????????????????<div class="form-group marb20 {% if cuo_wu.email %}errorput{% endif %} "> ???????????????????????????<label>邮&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;箱</label> ???????????????????????????<input ?type="text" id="id_email" name="email" value="{{ yanzh.email.value }}" placeholder="请输入您的邮箱地址" /> ???????????????????????</div> ???????????????????????<div class="form-group marb8 {% if cuo_wu.password %}errorput{% endif %}"> ???????????????????????????<label>密&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;码</label> ???????????????????????????<input type="password" id="id_password" name="password" ?value="{{ yanzh.password.value }}" placeholder="请输入6-20位非中文字符密码" /> ???????????????????????</div> ???????????????????????<div class="form-group marb8 captcha1 {% if cuo_wu.captcha %}errorput{% endif %}"> ???????????????????????????<label>验&nbsp;证&nbsp;码</label> ???????????????????????????{{ yanzhm.captcha }} ???????????????????????</div> ???????????????????????<div class="error btns" id="jsEmailTips"> ???????????????????????????{% for key,error in cuo_wu.items %}{{ error }}{% endfor %} ???#错误提示 ???????????????????????????{% if tishi %}{{ tishi }}{% endif %} ???????????????????????</div> ???????????????????????<div class="auto-box marb8"> ???????????????????????</div> ???????????????????????<input class="btn btn-green" id="jsEmailRegBtn" type="submit" value="注册并登录" /> ???????????????????<input type=‘hidden‘ name=‘csrfmiddlewaretoken‘ value=‘5I2SlleZJOMUX9QbwYLUIAOshdrdpRcy‘ /> ???????????????????{% csrf_token %} ???????????????????</form> ???????????????</div>