/*转化函数*/

function(data, attributes) {

	let resData = data;

	let tree = [];

	for(let i = 0; i < resData.length; i++) {

		if(resData[i][attributes.parentId] === attributes.rootId) {

			let obj = {

				id: resData[i][attributes.id],

				title: resData[i][attributes.name],

				children: []

			};

			tree.push(obj);

			resData.splice(i, 1);

			i--;

		}

	}

	run(tree);

	function run(chiArr) {

		if(resData.length !== 0) {

			for(let i = 0; i < chiArr.length; i++) {

				for(let j = 0; j < resData.length; j++) {

					if(chiArr[i].id == resData[j][attributes.parentId]) {

						let obj = {

							id: resData[j][attributes.id],

							title: resData[j][attributes.name],

							children: []

						};

						chiArr[i].children.push(obj);

						resData.splice(j, 1);

						j--;

					}

				}

				run(chiArr[i].children);

			}

		}

	}

	return tree;

}

var data=[{id:1,parentId:0,name:"测试1"},

{id:2,parentId:1,name:"测试2"}]

let attributes = {    //定义数据属性名称

id: 'id',

parentId: 'parentId',

name: 'groupName',
rootId: 0

}
/*调用*/
formatTreeData(data,attributes);