es6:解构

const people ={
    name:'lux',
    age:20,
    name2:'red',
    sex:'M'
}

//ES5

const name =people.name
const age =people.age
console.log(name +' --- '+age)

//ES6

const {name2,sex}=people;
console.log(name2,sex)


const color =['red','blue']
const [first,second]=color
console.log(first)//'red'
console.log(second)//'blue'

// 请使用 ES6 重构一下代码

 // 第一题
    var jsonParse = require('body-parser').jsonParse
    // 第二题
    var body = request.body
    var username = body.username
    var password = body.password
    // 1.
    import { jsonParse } from 'body-parser'
    // 2. 
    const { body, body: { username, password } } = request

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转载自blog.csdn.net/weixin_41143662/article/details/84304233