发表于

管理后台的制作

建立管理后台的应用
管理后台模型
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from django.db import models

class UserModel(models.Model):

    username = models.CharField(max_length=32, unique=True)  # 名称

    password = models.CharField(max_length=256)   #  密码

    email = models.CharField(max_length=64, unique=True)  # 邮箱

    # False 代表女

    sex = models.BooleanField(default=False)  # 性别

    icon = models.ImageField(upload_to='icons')  # 头像

    is_delete = models.BooleanField(default=False)  # 是否删除

class Meta:
    db_table = 'axf_users'
    class UserTicketModel(models.Model):

    user = models.ForeignKey(UserModel)  # 关联用户

    ticket = models.CharField(max_length=256)   # 密码

    out_time = models.DateTimeField()  # 过期时间
class Meta:
    db_table = 'axf_users_ticket'
url映射
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from django.conf.urls import url

from user import views

urlpatterns = [

# 登录
url(r'^login/', views.login, name='login'),
# 注册
url(r'^register/', views.register, name='register'),
# 注销
url(r'^logout/', views.logout, name='logout'),
]
控制器（views）
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from datetime import datetime, timedelta

from django.contrib.auth.hashers import make_password, check_password

from django.http import HttpResponseRedirect

from django.shortcuts import render

from django.core.urlresolvers import reverse

from user.models import UserModel, UserTicketModel

from utils.functions import get_ticket


def register(request):
    """
    注册
    """
    if request.method == 'GET':

        return render(request, 'user/user_register.html')

    if request.method == 'POST':

        username = request.POST.get('username')
        email = request.POST.get('email')
        password = request.POST.get('password')
        icon = request.FILES.get('icon')
        # 需要验证参数都不为空
        if not all([username, email, password, icon]):
            # 验证不通过，提示参数不能为空，返回页面错误提示
            msg = '参数不能为空'
            return render(request, 'user/user_register.html', {'msg': msg})
        # 加密password
        password = make_password(password)
        # 创建
        UserModel.objects.create(username=username,
                                 password=password,
                                 email=email,
                                 icon=icon
                                 )
        return HttpResponseRedirect(reverse('user:login'))
    
    
def login(request):
    """
    登录
    """
    if request.method == 'GET':
        return render(request, 'user/user_login.html')

    if request.method == 'POST':

        username = request.POST.get('username')
        password = request.POST.get('password')
        # 验证用户是否存在
        user = UserModel.objects.filter(username=username).first()
        if user:
            # 验证密码是否正确
            if check_password(password, user.password):
                # 1. 保存ticket在客户端
                ticket = get_ticket()
                response = HttpResponseRedirect(reverse('axf:mine'))
                out_time = datetime.now() + timedelta(days=1)
                response.set_cookie('ticket', ticket, expires=out_time)
                # 2. 保存ticket到服务端的user_ticket表中
                UserTicketModel.objects.create(user=user,
                                               out_time=out_time,
                                               ticket=ticket)
                return response
            else:
                msg = '密码错误'
                return render(request, 'user/user_login.html', {'msg': msg})
        else:
            msg = '用户不存在'
            return render(request, 'user/user_login.html', {'msg': msg})


def logout(request):
    """
    注销
    """
    if request.method == 'GET':
        # 注销，删除当前登录的用户的cookies中的ticket信息
        response = HttpResponseRedirect(reverse('user:login'))
        response.delete_cookie('ticket')

        return response