data(){
        return{
            crux:[]  //声明下变量
        }
    },
    mounted:function(){
        var cruxs = localStorage.historyItems.split(",");
        this.crux = cruxs;  //把需要绑定的变量，赋值给data里面声明的变量

    },

转自：https://www.cnblogs.com/tomyangym/p/9174333.html