SOURCE

var data=[
    {
      "orgName": "重庆",
      "children": [
        {
          "orgName": "直辖市",
          "children": [
            {
              "orgName": "渝北区",
              "children": [
                {
                  "orgName": "新牌坊派出所",
                  "children": [
                    {
                      "orgName": "新牌坊社区",
                      "orgCode": "5001120708"
                    },
                    {
                      "orgName": "松树桥社区",
                      "orgCode": "5001120710"
                    },
                    {
                      "orgName": "花卉西路社区",
                      "orgCode": "5001120711"
                    },
                    {
                      "orgName": "花卉东路社区",
                      "orgCode": "5001120713"
                    }
                  ],
                  "orgCode": "50011207"
                }
              ],
              "orgCode": "500112"
            },
            {
              "orgName": "南岸区",
              "children": [
                {
                  "orgName": "茶园",
                  "orgCode": "50010817"
                }
              ],
              "orgCode": "500108"
            },
            {
              "orgName": "九龙坡区",
              "orgCode": "500107"
            },
            {
              "orgName": "璧山区",
              "orgCode": "500120"
            },
            {
              "devCode": "50010800001310912153",
              "org_id": "5001",
              "devName": "讯之美"
            }
          ],
          "orgCode": "5001"
        }
      ],
      "orgCode": "50"
    }
  ];