<QSelect
                          v-if="!readonly"
                          v-model="scope.row.selectedPositions"
                          :api="dictPath('Partsofuse')"
                          :multiple="true"
                          :dataProp="{ value: 'label', label: 'label' }"
                          :selected-value="scope.row.selectedPositions"
                          @change="() => updateUsePosition(scope.row, scope.$index)"
                      />
                      <span v-else>{{ scope.row.usePosition }}</span>



const updateUsePosition = (row: any, index: number) => {
  let data: any = tableData.value;
  data[index].usePosition = row.selectedPositions.join(",");
  emit("update:tableData", data);
};

watch(
  () => tableData.value,
  (newVal: any) => {
      if (newVal) {
          tableData.value.forEach((row: any) => {
              // 初始化 selectedPositions 为 usePosition 的分割数组
              row.selectedPositions = (row.usePosition || "").split(",");
          });
      }
  },
);