把具有同样属性名称的对象a复制对象b

方法时使用lodash

import { merge } from 'lodash'

let a = {attr1: "1",attr2: "2",attr3: "3"}
let b = {attr1: "",attr2: "",attr3: "",attr4: "4"}

b = merge(b,a); //b ===> {attr1: "1",attr2: "2",attr3: "3",attr4: "4"}