js递归循环数组

2019-09-26  本文已影响0人  最好的自己_3d47
从后台获取回来的数据是一个数组时,而且每个元素是一个对象,对象的层级不确定,就需要使用递归循环遍历所有子元素
var tdata=[
  {
    "code": "has Value Domain Member",
    "value": "未婚",
    "properties": [
      {
        "code": "MDM VD Member PKID",
        "value": "4055",
        "properties": [
          {
            "code": "MDM VD Member PKID",
            "value": "4055",
            "properties": []
          }
        ]
      }
    ]
  },
  {
    "code": "MDM VD Member Name",
    "value": "未婚",
    "properties": [
       {
          "code": "MDM VD Member PKID",
          "value": "4055",
          "properties": []
        }
     ]
  },
  {
    "code": "MDM VD Member ObjectID",
    "value": "10"
  },
  {
    "code": "MDM VD Member Code",
    "value": "10"
  },
  {
    "code": "MDM VD Member RefStandard",
    "value": "GB/T 2261.2-2003 个人基本信息分类与代码 第2部分: 婚姻状况代码"
  },
  {
    "code": "VD Member Sequence",
    "value": "1"
  }
];
function func(tdata,resData){
  if(Array.isArray(tdata) && tdata.length>0){
    tdata.forEach(function(v,i){
      var newValue=v.code+":"+v.value;
      resData[i]={};
      resData[i].label=newValue;
      var arr=[];
      func(v.properties,arr);
      resData[i].children=arr;
    });
  }
}
var resArr=[];
func(tdata,resArr);
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