element-UI级联选择器(Cascader)获取label

element ui 2.9.2版本 把级联动选择器 currentLabels属性去掉了

2.9.2之前
this.$refs['cascaderAddr'].currentLabels

  <el-cascader
             :options="optionsMessage" 
              clearable filterable :props="defaultProps"
              @change="changeCity" ref="cascaderAddr" 
              v-model="citySelected">
</el-cascader>

changeCity(item) {
                console.log(item,this.$refs['cascaderAddr'].currentLabels)
          
   },

2.9.2之后
this.$refs['cascaderAddr'].getCheckedNodes()[0].pathLabels

changeCity(item) {
         console.log(this.$refs['cascaderAddr'].getCheckedNodes()[0].pathLabels
   },

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