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
}