获取指标字段

{
    "code": "200",
    "msg": "成功!",
    "data": [
        {
            "id": "1",
            "indexName": "公司信息",
            "displayName": "公司信息",
            "indexFieldType": "1",
            "subList": [
                {
                    "id": "19",
                    "indexName": "股票代码",
                    "displayName": "股票代码",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "stock_code",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "20",
                    "indexName": "股票简称",
                    "displayName": "股票简称",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "stock_abbreviation",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "21",
                    "indexName": "英文简称",
                    "displayName": "英文简称",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "english_abbreviation",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "22",
                    "indexName": "公司中文名称",
                    "displayName": "公司中文名称",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "chinese_name_the_company",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "23",
                    "indexName": "公司英文名称",
                    "displayName": "公司英文名称",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "english_name_the_company",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "24",
                    "indexName": "股票市场类别",
                    "displayName": "股票市场类别",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "category_stock_market",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "25",
                    "indexName": "成立日期",
                    "displayName": "成立日期",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "date_incorporation",
                    "indexFieldType": "4",
                    "indexType": "2"
                },
                {
                    "id": "26",
                    "indexName": "首发上市日期",
                    "displayName": "首发上市日期",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "initial_listing_date",
                    "indexFieldType": "4",
                    "indexType": "2"
                },
                {
                    "id": "27",
                    "indexName": "借壳上市日期",
                    "displayName": "借壳上市日期",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "backdoor_listing_date",
                    "indexFieldType": "4",
                    "indexType": "2"
                },
                {
                    "id": "28",
                    "indexName": "上市交易所",
                    "displayName": "上市交易所",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "listed_exchange",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "29",
                    "indexName": "上市板块",
                    "displayName": "上市板块",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "listing_segment",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "30",
                    "indexName": "上市状态",
                    "displayName": "上市状态",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "listing_status",
                    "indexFieldType": "4",
                    "indexType": "1"
                },
                {
                    "id": "31",
                    "indexName": "摘牌日期",
                    "displayName": "摘牌日期",
                    "tableName": "li_enterprise_main_info",
                    "fieldName": "date_delisting",
                    "indexFieldType": "4",
                    "indexType": "2"
                },
                {
                    "id": "32",
                    "indexName": "所属概念",