获取一二级目录树(getCatalogTree2)

{
    "result": [
        {
            "CHILDLIST": [
                {
                    "ITEM_ID": "0101军兵种、专业兵",
                    "ITEM_NAME": "0101军兵种、专业兵",
                    "PARENT_ID": "01单位与人员"
                },
                {
                    "ITEM_ID": "0102指挥机构",
                    "ITEM_NAME": "0102指挥机构",
                    "PARENT_ID": "01单位与人员"
                },
                {
                    "ITEM_ID": "0103级别与人员",
                    "ITEM_NAME": "0103级别与人员",
                    "PARENT_ID": "01单位与人员"
                }
            ],
            "ITEM_ID": "01单位与人员",
            "ITEM_NAME": "01单位与人员",
            "PARENT_ID": "TOP"
        },
        {
            "CHILDLIST": [
                {
                    "ITEM_ID": "0207航天器",
                    "ITEM_NAME": "0207航天器",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0208侦察情报装备与设施",
                    "ITEM_NAME": "0208侦察情报装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0209机要装备与设施",
                    "ITEM_NAME": "0209机要装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0210通信、指挥信息系统装备与设施",
                    "ITEM_NAME": "0210通信、指挥信息系统装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0211雷达",
                    "ITEM_NAME": "0211雷达",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0212水声、声测装备与设施",
                    "ITEM_NAME": "0212水声、声测装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0213电子对抗装备与设施",
                    "ITEM_NAME": "0213电子对抗装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0214网络战装备与设施",
                    "ITEM_NAME": "0214网络战装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0215工程装备与设施",
                    "ITEM_NAME": "0215工程装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0216防化装备与设施",
                    "ITEM_NAME": "0216防化装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0217测绘导航、气象水文装备与设施",
                    "ITEM_NAME": "0217测绘导航、气象水文装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0218后勤、装备保障装备与设施",
                    "ITEM_NAME": "0218后勤、装备保障装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0219舆论战、心理战、法律战装备与设施",
                    "ITEM_NAME": "0219舆论战、心理战、法律战装备与设施",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0201轻武器",
                    "ITEM_NAME": "0201轻武器",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0202火炮",
                    "ITEM_NAME": "0202火炮",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0203导弹",
                    "ITEM_NAME": "0203导弹",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0204战斗车辆与指挥车辆",
                    "ITEM_NAME": "0204战斗车辆与指挥车辆",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0205舰、艇、船",
                    "ITEM_NAME": "0205舰、艇、船",
                    "PARENT_ID": "02装备与设施"
                },
                {
                    "ITEM_ID": "0206航空器",
                    "ITEM_NAME": "0206航空器",
                    "PARENT_ID": "02装备与设施"
                }
            ],
            "ITEM_ID": "02装备与设施",
            "ITEM_NAME": "02装备与设施",
            "PARENT_ID": "TOP"
        }
    ],
    "resultcode": "success",
    "time": 3
}