django的filter过滤集合的功能有contains和icontains字段

contains是精确查询，icontains是忽略大小写的模糊查询

params = json.loads(request.body)  # dict类型
name = params.get("name", "")

if name:
    filter_dict["name__contains"] = name


res_obj = 模型类名.objects.filter(**filter_dict).order_by("-create_time")