获取话题列表

简要描述：

• 获取推荐商品

请求URL:

参数:

返回示例:

正确时返回:

{
	"code": 1,
	"message": "获取成功",
	"data": {
		"0": {
			"topic_id": 1,
			"superiors_id": 0,
			"pic": null,
			"sort": null,
			"topic_title": "测试话",
			"state": 1,
			"create_time": null,
			"topic_pic": null,
		},
		"1": {
			"topic_id": 2,
			"superiors_id": 0,
			"pic": null,
			"sort": null,
			"topic_title": "测试2",
			"state": 1,
			"create_time": null,
			"topic_pic": null,
		},
		"2": {
			"topic_id": 3,
			"superiors_id": 1,
			"pic": null,
			"sort": null,
			"topic_title": "测试3",
			"state": 1,
			"create_time": null,
			"topic_pic": null,
		},
		"3": {
			"topic_id": 4,
			"superiors_id": 0,
			"pic": null,
			"sort": 0,
			"topic_title": "测试1级",
			"state": 0,
			"create_time": 1564717791,
			"topic_pic": "https:\/\/gd4.alicdn.com\/imgextra\/i4\/370767874\/TB2wIXUzEhnpuFjSZFEXXX0PFXa_!!370767874.jpg",
		},
		"topic_state": "0"
	}
}