ElementUI使用Cascader实现省市区三级联动

<script src="https://cdn.suoluomei.com/common/js2.0/city-data/city-data.js"></script>

 <el-cascader v-model="area" :options="areaList" :props="optionProps" filterable 
  ref="myCascader"></el-cascader>
  <script>
   data() {
	return {
		areaList: rawCitiesData,
        area: [],
        optionProps: { //配置节点
          value: 'code',
          label: 'name',
          children: 'sub'
       },
	}
}
  </script>

 this.$refs.myCascader[0].inputValue