es6语法---从提交的数据 找到对应list里面的 键值id 替换--find

比对的数据:

targetlist=[ { "id": 1, "host": "https://test-api-crm-codemaster.codemao.cn/" }, { "id": 2, "host": "https://test-api-marketing.codemao.cn/" } ]

 

提交的数据:

values=

{

case_name: "1111",
group_id: 23,
methods: "get",
re_head: "1111",
re_path: "1111",
st_code: "111",
st_host: "https://test-api-crm-codemaster.codemao.cn/",
state: ""
}

需求: 

提交的st_host 字符 找到 targetlist对应的id 替换

const newValues = {...values} // 解构values，将原form的values形成一个新的对象newValues

newValues.st_host = this.hosts.find(t => t.id === Number(values.st_host)).host // 利用es6数组的find函数找到对应id的item，将该item的host赋值给st_host

 

红色那坨等于下面的写法:

let host = ''

this.hosts.forEach((item, index) => {

if (item.id === Number(values.st_host)) {

　　host = item.host

 }

})

 

等于下面这坨

var inventory = [
{name: 'apples', quantity: 2},
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
];

function findCherries(fruit) {
return fruit.name === 'cherries';
}

console.log(inventory.find(findCherries));

https://www.cnblogs.com/amujoe/p/8875053.html

https://www.cnblogs.com/ChineseLiao/p/11638175.html