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const lastDataHandle = ref(null); // 上次选择的dataHandle值
const dataHandle: any = ref([]);
const dataHandleALLList = [
  { label: '无', value: 0 },
  { label: '上传照片', value: 1 },
  { label: '二维建模', value: 2 },
];
// 单选
function setLastDataHandle() {
  lastDataHandle.value = dataHandle.value.length > 0 ? dataHandle.value[0] : null;
}

// 航线媒体数据处理(单选)
function handleDataHandleChange(checkedValue: any) {
  dataHandle.value = checkedValue.filter((item: any) => lastDataHandle.value !== item);
  setLastDataHandle();
}

  <a-form-item label="航线媒体数据处理" :label-col="{ style: { width: '8rem' } }">
                <a-checkbox-group v-model:value="dataHandle" :options="dataHandleALLList"
                  @change="handleDataHandleChange" />
              </a-form-item>