// 数组转为对象数组
var array2ObjectArray = require('./lib/array2ObjectArray.js');

var arr = [
    {
        id: 1,
        name: '张三',
        age: 20
    },{
        id: 2,
        name: '王二',
        age: 16
    },{
        id: 3,
        name: '李四',
        age: 24
    }
]
var object = array2ObjectArray.arr2ObjArr(arr, 'id')

// output
object { 
    '1': [ { id: 1, name: '张三', age: 20 } ],
    '2': [ { id: 2, name: '王二', age: 16 } ],
    '3': [ { id: 3, name: '李四', age: 24 } ] 
}