ES6 解构赋值

嵌套结构的对象解构，有以下几种常见的几种变体：

let {person: {name, age}, foo} = { person: {name: 'Lily',age: 4}, foo: 'foo'};
name //Lily
age  //4
foo  //"foo"

const {
  data: { code, data, msg }
} = yield call(queryCustomerById, params)

const {
  teamCustomerList: { data },
  loading
} = this.props

es6解构赋值讲的比较详细的一篇文章：
https://segmentfault.com/a/1190000010159725