二手车项目（三）

buy-views.py

1.主页登录

def login(request):
    '''
    登录视图
    '''
    # request为get时，index页面
    if request.method == 'GET':
        return render(request, 'login.html')
    # request为post时，login页面
    else:
        # post获取username,password
        username = request.POST.get('username', '')
        password = request.POST.get('password', '')
        # print('1-------------------')
        # auth验证用户，密码
        user = auth.authenticate(username=username, password=password)
        # print('2-------------------')
        # print(username)
        # print(password)
        # auth不为空时，自动登录
        if user is not None and user.is_active:
            auth.login(request, user)
            return redirect('/')
            # print('3-------------')
        else:
            return render(request, 'login.html', {'message':'用户名或密码错误！'})

2.主页用户注销

def logout(request):
    '''
    注销视图
    :param request:
    :return:
    '''
    auth.logout(request)
    return redirect('/')

3.基本注册

def register(request):
    if request.method == 'GET':
        # 查看注册页面
        return render(request,'register.html')
    else:

        # 接收用户名
        new_user.username = request.POST['username']
        # 判断用户名称是否存在
        oldUser = Users.objects.filter(username=new_user.username)

        if len(oldUser) > 0 :
            return render(request,'register.html',{'message':'用户名已经存在'})

        # 处理密码,调用django中的密码加密处理程序
        new_user.password = make_password(request.POST['userpwd'],None,'pbkdf2_sha1')

        # 根据用户点击的按钮去往不同的页面
        if 'tobuy' in request.POST:
            return render(request,'buyregister.html')
        if 'tosale' in request.POST:
            return render(request,'info-message.html')

3.1买家详情注册

def buyinfo(request):
    '''
    买家注册信息
    :param request:
    :return:
    '''
    print('username-----------', new_user.username)
    if request.method == 'POST':
        new_user.realname = request.POST['realname']
        new_user.uidentity = request.POST['uidentity']
        new_user.address = request.POST['address']
        new_user.cellphone = request.POST['cellphone']
        new_user.sex = request.POST['sex']
        try:
            # 存入数据库
            new_user.save()
        except ObjectDoesNotExist as e:
            return HttpResponse(e)
        return redirect('/')
    else:
        return redirect('/userinfo/register')

3.2卖家详情注册

def saleinfo(request):
    if request.method == 'POST':
        # 获取用户信息插入到 Users 表中,继续向new_user中增加数据
        new_user.realname = request.POST['realname']
        new_user.uidentity = request.POST['identity']
        new_user.address = request.POST['address']
        new_user.cellphone = request.POST['phone']
        new_user.sex = request.POST['gender']
        try:
            new_user.save()
        except ObjectDoesNotExist as e:
            return HttpResponse(e)
        # 获取车辆信息插入到 Carinfo 表中
        # 获取车辆品牌
        brand = Brand.objects.filter(btitle=request.POST['brands'])[0]
        #创建Carinfo对象，并获取前端的值赋值给该对象
        car = Carinfo()
        car.ctitle = request.POST['model']
        car.regist_date = request.POST['regist_date']
        car.engineno = request.POST['engineNo']
        car.mileage = request.POST['mileage']
        car.maintenance_record = request.POST['isService']
        car.price = request.POST['price']
        car.extractprice = int(car.price)*0.02 + int(car.price)
        car.newprice = request.POST['newprice']
        # request.FILES['图片框name'] 获取上传文件
        car.picture = request.FILES['pic']
        car.formalities = request.POST['formalities']
        car.debt = request.POST['isDebt']
        car.promise = request.POST['promise']
        car.serbran = brand
        car.user = new_user
        try:
            car.save()
        except ObjectDoesNotExist as e:
            return HttpResponse(e)
        return redirect('/')
    else:
        return redirect('/userinfo/register')