-- coding: utf-8 --

class GoodsListView(View):

def get(self, request):

1、方法一：(for in 循环遍历model)
    # 定义一个空列表
    json_list = []
    goods = Goods.objects.all()[:10]
    for good in goods:
        json_dict = {}
        json_dict["name"] = good.name
        json_dict["category"] = good.category.name
        json_dict["market_price"] = good.market_price
        json_dict["add_time"] = good.add_time
        json_list.append(json_dict)
    from django.http import HttpResponse
    import json
    # 序列化成json字符串，返给前台
    return HttpResponse(json.dumps(json_list), content_type="application/json")

2、方法二：(django自带的serializers序列化model)（推荐使用此方法）
    import json 
    from django.core import serializers
    json_data = serializers.serialize('json', goods)
    json_data = json.loads(json_data)
    from django.http import HttpResponse, JsonResponse
    return JsonResponse(json_data, safe=False)

3、方法三：(model_to_dict方法)
    from django.forms.models import model_to_dict
    for good in goods:
        json_dict = model_to_dict(good)
        json_list.append(json_dict)

如果遇到无法进行json格式化的格式，例如uuid,需要进行str（）函数转换一下