复习Vue1.vue的使用步骤:（1）导入vue.js（2）创建除body以外最大的div标签，给定id值（3）创建vue对象newVue({"el":"#app","data":{},//定义变量"methods":{},//定义方法"beforeCreate":function(){},"created":function(){},"beforeMount":function(){},"mounted":function(){},"beforeUpdate":function(){},"updated":function(){},"beforeDestroy":function(){},"

复习Vue1.vue的使用步骤:（1）导入vue.js（2）创建除body以外最大的div标签，给定id值（3）创建vue对象newVue({"el":"#app","data":{},//定义变量"methods":{},//定义方法"beforeCreate":function(){},"created":function(){},"beforeMount":function(){},"mounted":function(){},"beforeUpdate":function(){},"updated":function(){},"beforeDestroy":function(){},"