Vue.set()动态的新增与修改数据,触发视图更新的方法

data:{   namelist:[     {message:"叶落森",id:"1"},     {message:"姜艳霞",id:"2"},     {message:"姜小帅",id:"3"}   ]},

 Vue.set(this.namelist,1,{message:"yeluosen",id:"1"})

data:{   items:[     {message:"Test one",id:"1"},     {message:"Test two",id:"2"},     {message:"Test three",id:"3"}   ]},

var itemLen=this.items.length;Vue.set(this.items,itemLen,{message:"Test add attr",id:itemLen});