computed
参考自:https://v2.cn.vuejs.org/v2/api/#computed
computed与watch的区别:http://t.zoukankan.com/jing-tian-p-11247546.html
computed:{ //仅读取 double:function(){ return this.a*2+1; } //即可读取又可设置 aPlus:{ get:function(){ return this.vm*2+1; } set:function(a){ this.vm=a-1; } } }
标签:function,return,读取,vm,v2,computed From: https://www.cnblogs.com/lxq3280/p/16596488.html