//给.el-cascader-node__label也加上点击事件
mounted(){
setInterval(function(){
document.querySelectorAll('.el-cascader-node__label').forEach(el=>{
el.onclick = function () {
let checked = document.getElementsByClassName('is-checked')[0]
if(checked){
checked.classList.remove('is-checked')
}
this.previousElementSibling.click()
this.previousSibling.getElementsByClassName('el-radio__input')[0].className += ' is-checked'
}
})
},500)
},