let storage = {
            /*
            * set 存儲方法
            * @ param {String}     key 鍵
            * @ param {String}     value 值，
            * @ param {String}     expired 過期時(shí)間，以毫秒為單位，非必須
            */
            set(key, val, expired) {
                let obj = {
                    data: val,
                    time: Date.now(),
                    expired
                }
                localStorage.setItem(key, JSON.stringify(obj));

            },

            /*
            * set 獲取方法
            * @ param {String}     key 鍵
            */
            get(key) {
                let val = localStorage.getItem(key);
                if (!val) {
                    return val;
                }
                val = JSON.parse(val);
                if (Date.now() - val.time > val.expired) {
                    localStorage.removeItem(key);
                    return null
                }

                return val.data;
            },
           /*
            * remove 刪除方法
            * @ param {String}     key 鍵
            */
            remove(key) {
                localStorage.removeItem(key);
            },

        }
        export default storage;

import storage from "文件路徑"http://引入
Vue.prototype.$storage=storage;//加入vue的原型對象

this.$storage.set("userId",'tom',1000000)//創(chuàng)建 OR修改,并在創(chuàng)建時(shí)給一個(gè)過期時(shí)間限制
this.$storage.get("userId",)//獲取時(shí),內(nèi)部會進(jìn)行判斷,當(dāng)前獲取的內(nèi)容是否過期
this.$storage.remove("userId")//刪除

import Storage from "文件路徑"http://引入

Storage.set("userId",'jack',1000)//創(chuàng)建 OR修改
Storage.get("userId",)//獲取
Storage.remove("userId")//刪除