实现效果：动态刷新选择框下拉列表的数据。

data() {
    return {
        selectAlgal: [],
        optionAlgal: { 
                {
                    label: "调查站位",
                    prop: "stationId",
                    type: "select",
                    search: true,
                    dicData: this.selectAlgal, //使用dicData模式
                    rules: [{
                      required: true,
                      message: "请输入关联站位信息",
                      trigger: "blur"
                    }]
                  },
                }
            }
        }

methods: {
     selectDataAlgal(type){ //更新下拉框列表数据
      selectData(type).then(res => {
        this.selectAlgal = res.data.data.map(m => {
          return {
            value: m.id,
            label: m.name
          }
        });
        let stationIdColumn = this.findObject(
          this.optionAlgal.column,"stationId"
        );//找到该对象
        stationIdColumn.dicData = this.selectAlgal;//赋值
      })
    },

    onLoadAlgal(page, params = {}) { 
      this.selectDataAlgal(1); //查询的时候更新列表
      this.loadingAlgal = true;
      getListAlgal(page.currentPage, page.pageSize, Object.assign(params, this.queryAlgal)).then(res => {
        const data = res.data.data;
        this.pageAlgal.total = data.total;
        this.dataAlgal = data.records;
        this.loadingAlgal = false;
        this.selectionClearAlgal();
        this.rowSortAlgal()
        this.rowCalcAlgal();
      });
    },
}