目录 beforeRouteLeave:路由跳转回调beforeDestory:页面关闭的回调函数 beforeRouteLeave:路由跳转回调 beforeRouteLeave路由跳转时发生的回调函数 beforeRouteLeave(to, from, next) {next(); } beforeDestory:页面关闭的回调函数 beforeDestory() { }