{ // 2. 弹框显示DOM更新完成后 获取refs.ref1 设置焦点             console.log(this.$refs.ref1)             this.$refs.ref1.focus() // 设置焦点          * 打开第二个弹框 获取焦点         openTwo() {           this.dialogVisibleTwo = true           this.$nextTick(() => {             this.$refs.refTwo.focus()        * 自定义指令 让打开页面先获取焦点       directives: {         focus: {           // 指令的定义           inserted: function (el) {             el.focus()     })" _ue_custom_node_="true">