vue3 v-for 设置ref```vue3 ``` ```vue3 const oprRefs = ref([]);

<el-dropdown-item>
                                                                                                        <el-checkbox
                                                                                                                :ref="
                                                                                                                        (el) => {
                                                                                                                                if (el) {
                                                                                                                                        oprRefs[index] = el;
                                                                                                                                }
                                                                                                                        }
                                                                                                                "
                                                                                                                @change="resetOprChecked(index, item)"
                                                                                                                v-for="(item, index) in data.sysOperationList"
                                                                                                                :key="item.id"
                                                                                                                :label="item.title"
                                                                                                                size="small"
                                                                                                        />
                                                                                                </el-dropdown-item>

const oprRefs = <any>ref([]);
// 确保在每次更新之前重置ref
onBeforeUpdate(() => {
	oprRefs.value = [];
});
//设置选中的操作id列表
const resetOprChecked = (index: any, item: any) => {
	//如果选中，若没有id则增加id
	const isInList = roleForm.operationIdList.indexOf(item.id);
	if (oprRefs.value[index].isChecked && isInList == -1) {
		roleForm.operationIdList.push(item.id);
		//如果非选中，若有则删除id
	} else if (!oprRefs.value[index].isChecked && isInList != -1) {
		roleForm.operationIdList.splice(isInList, 1);
	}
	console.log('roleForm.operationIdList...', roleForm.operationIdList);
};