cascader 实现 单选多选 递归 调用赋值

  <el-cascader

          ref="cascader"

          placeholder="请选择监测标签"

          style="width: 200px"

          class="my-cascader max-width"

          :options="typeLayersOptions"

          collapse-tags

          :props="{ multiple: true, checkStrictly: true, clearable: true }"

          v-model="typeLayers"

          @change="typeLayersSelect"

        >

        </el-cascader>

  

 

getTypeLayers() {

      this.typeLayersOptions = [];

      let params = {

        SSOID: this.SSOID,

        areaLayer: this.areaLayer,

        userName: this.userName

      };

      this.$axios

        .get("/apis/hmcsEnterprise/v2/enterpriseType/list", { params })

        .then(res => {

          if (res.data.success) {

            this.typeLayersOptions = this._handleNewLabelsData(res.data.result);

          }

        });

    },

    _handleNewLabelsData(data) {

      let options = [];

      if (!(data && data.length)) {

        return null;

      }

      data.forEach(item => {

        options.push({

          value: item.layer,

          label: item.name,

          id: item.id,

          children: this._handleNewLabelsData(item.childrenList)

        });

      });

      return options;

    },