请求与响应

转递数据与接收

三个请求方式

三个响应方式

def req_list(request):
    # 请求1
    # print(request.method)
    # m1 = request.method
    # 请求2
    # print(request.GET)
    # m2 = request.GET
    # 请求3
    # print(request.POST)
    # m3 = request.POST

    # 响应1
    # return HttpResponse("返回内容")

    # 响应2  读取HTML内容，+ 渲染（替换）
    # return render(request, 'req_list.html', {"m1": m1, "m2": m2, "m3": m3})

    # 响应3  重新定向
    return redirect("https://www.baidu.com")

 例：登录

def login(request):
    if request.method == 'GET':
        return render(request, 'login.html')
    else:
        print(request.POST)
        name = request.POST.get('username')
        password =request.POST.get('password')
        if name == 'admin' and password == '123456':
            # return HttpResponse("登录成功")
            return redirect('https://wwww.baidu.com')
        else:

            return render(request, 'login.html', {'error_message':'用户名或者密码错误'})