获取列表

{
  "error": 0,
  "total": 1,
  "list": [
    {
      "id": "22",
      "level": "0",
      "level_name": "默认等级",
      "discount": "5.00",
      "update_condition": "0",
      "state": "1",
      "is_default": "1",
      "is_discount": "1",
      "order_count": "0",
      "order_money": "0.00",
      "update_text": "不自动升级",
      "state_text": "启用",
      "member_count": "117"
    }
  ],
  "page": 1,
  "page_size": 20
}