vue 界面刷新数据被清除 localStorage的使用详解

window.localStorage.setItem('key', value); //储存文件

window.localStorage.getItem('key'); //读取文件

window.localStorage.removeItem('key'); //清除文件

const IDLIST_KEY = 'idlist'; //定义常量保存键值

export default {

 saveIDlist(data){

 window.localStorage.setItem(IDLIST_KEY,JSON.stringify(data)); 

 },

 fetchIDlist(){

 return JSON.parse(window.localStorage.getItem(IDLIST_KEY)|| '[]');

 }

}

store.saveIDlist(selectIDlist); //保存

selectIDlist = store.fetchIDlist(); //读取