Django之簡單返回數據方法

方法一:  通過字典方式返回

def login_view(request):
    if request.method == 'POST':
　　　　 # 定義一個默認返回數據字典
        back_code = {'code': 200, 'msg':''}
        form = LoginForm(request.POST)
        if form.is_valid():
            telephone = form.cleaned_data.get('telephone')
            password = form.cleaned_data.get('password')
            remember = request.POST.get('remember')
            user = authenticate(request, username=telephone, password=password)
            if user:
                if user.is_active:
                    login(request, user)
                    if remember:
                        request.session.set_expiry(None)
                    else:
                        request.session.set_expiry(0)
                else:
                    # 做完判斷修改字典中的數據
                    back_code['code'] = 101
                    back_code['msg'] = '該賬戶已鎖定!'
            else:
                back_code['code'] = 102
                back_code['msg'] = '該賬戶不存在!'
        else:
            pass
        # 將字典返回
        return JsonResponse(back_code, safe=False, json_dumps_params={'ensure_ascii': False})
    return render(request, 'cms/login.html')

方法二:  封裝返回數據工具

from django.http import JsonResponse


class HttpCode(object):
    '''
    定義狀態
    '''
    ok = 200
    paramserror = 400
    unauth = 401
    methoderror = 405
    servererror = 500


def result(code=HttpCode.ok, message='', data=None, kwargs=None):
    '''
    封裝返回JsonResponse方法
    :param code:  狀態
    :param message:  錯誤信息
    :param data:  返回數據
    :param kwargs:  保證代碼的健壯性
    :return: JsonResponse數據
    '''
    # 定義返回的字典
    json_dic = {'code': code, 'message': message, 'data': data}

    # 判斷kwargs是否存在以及格式是否正確, 通過則添加入字典中
    if kwargs and isinstance(kwargs, dict) and kwargs.keys():
        json_dic.update(kwargs)
    return JsonResponse(json_dic, safe=False, json_dumps_params={'ensure_ascii': False})


def params_error(message='', data=None):
    return result(code=HttpCode.paramserror, message=message, data=data)


def unauth(message='', data=None):
    return result(code=HttpCode.unauth, message=message, data=data)


def method_error(message='', data=None):
    return result(code=HttpCode.methoderror, message=message, data=data)


def server_error(message='', data=None):
    return result(code=HttpCode.servererror, message=message, data=data)