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- <template>
- <el-dialog v-model="visible" title="选择设备分类" width="800px" :close-on-click-modal="false" @close="onCancel">
- <div style="margin-bottom: 12px">
- <el-input v-model="search" placeholder="输入关键字搜索" style="width: 240px; margin-right: 8px" @keyup.enter="fetchData(true)" />
- <el-button type="primary" @click="fetchData(true)">搜索</el-button>
- </div>
- <el-table :data="tableData" border style="width: 100%" @selection-change="onSelectionChange" ref="tableRef" row-key="id">
- <el-table-column type="selection" width="50" :reserve-selection="true" />
- <el-table-column type="index" label="序号" width="60" />
- <!-- <el-table-column prop="code" label="分类编号" /> -->
- <el-table-column prop="name" label="设备分类" />
- <el-table-column prop="description" label="描述" min-width="160" />
- <!-- <el-table-column prop="category_name" label="设备分类" />
- <el-table-column prop="warehouse" label="存放仓库" />-->
- </el-table>
- <el-pagination
- style="margin-top: 12px; text-align: right"
- :current-page="page"
- :page-size="pageSize"
- :total="total"
- @current-change="onPageChange"
- />
- <template #footer>
- <el-button @click="onCancel">取消</el-button>
- <el-button type="primary" @click="onConfirm">确定</el-button>
- </template>
- </el-dialog>
- </template>
- <script setup lang="ts">
- import { ref, watch, defineProps, defineEmits, nextTick } from 'vue';
- import * as deviceApi from '../../../deviceclass/api';
- import * as storeapi from '../../../storelist/api';
- import { status } from 'nprogress';
- const props = defineProps<{ visible: boolean }>();
- const emit = defineEmits(['update:visible', 'confirm']);
- const visible = ref(props.visible);
- watch(
- () => props.visible,
- (v) => (visible.value = v)
- );
- const search = ref('');
- const page = ref(1);
- const pageSize = ref(10);
- const total = ref(0);
- const tableData = ref<any[]>([]);
- const selectedRows = ref<any[]>([]);
- const warehouseMap = ref<Record<number, string>>({});
- // 用于存储所有已选中的项(跨页)
- const selectedMap = ref<Map<number | string, any>>(new Map());
- const tableRef = ref();
- // 标志位:是否正在恢复选中状态(避免触发 onSelectionChange 时误删数据)
- const isRestoring = ref(false);
- function fetchWarehouseMap() {
- storeapi.GetPermission().then((res: any) => {
- const map: Record<number, string> = {};
- res.data.forEach((item: any) => {
- map[item.id] = item.name;
- });
- warehouseMap.value = map;
- });
- }
- async function fetchData(resetPage = false) {
- if (resetPage) page.value = 1;
- await fetchWarehouseMap();
- deviceApi.GetList({ page: page.value, limit: pageSize.value, code: search.value,status:1 })
- .then((res: any) => {
- const devices = res.data
- /* .filter(device => device.available_quantity > 0)
- .map((device) => ({
- ...device,
- warehouse: `${warehouseMap.value[device.warehouse] || `ID:${device.warehouse}`} (${device.available_quantity})`
- })); */
- tableData.value = devices;
- // tableData.value = [...res.data];
- total.value = res.total;
- // 数据加载完成后,回显当前页的选中状态
- nextTick(() => {
- restoreSelection();
- });
- });
- }
- // 恢复当前页的选中状态
- function restoreSelection() {
- if (!tableRef.value) return;
- // 设置标志位,避免 onSelectionChange 误删数据
- isRestoring.value = true;
-
- // 先清空当前页的所有选中
- tableData.value.forEach((row: any) => {
- tableRef.value.toggleRowSelection(row, false);
- });
- // 根据 selectedMap 设置当前页的选中状态
- tableData.value.forEach((row: any) => {
- if (selectedMap.value.has(row.id)) {
- tableRef.value.toggleRowSelection(row, true);
- }
- });
-
- // 恢复标志位
- isRestoring.value = false;
- // 更新当前页的选中数组
- updateSelectedRows();
- }
- // 更新当前页的选中数组
- function updateSelectedRows() {
- selectedRows.value = tableData.value.filter((row: any) => selectedMap.value.has(row.id));
- }
- function onSelectionChange(val: any[]) {
- // 如果正在恢复选中状态,不更新 selectedMap(避免误删数据)
- if (isRestoring.value) {
- return;
- }
-
- // 获取当前页所有行的 id
- const currentPageIds = new Set(tableData.value.map((row: any) => row.id));
-
- // 移除当前页中未选中的项
- currentPageIds.forEach((id) => {
- const isSelected = val.some((item: any) => item.id === id);
- if (!isSelected) {
- selectedMap.value.delete(id);
- }
- });
-
- // 添加当前页中新选中的项
- val.forEach((item: any) => {
- if (!selectedMap.value.has(item.id)) {
- selectedMap.value.set(item.id, item);
- } else {
- // 如果已存在,更新数据(防止数据过期)
- selectedMap.value.set(item.id, item);
- }
- });
-
- // 更新当前页的选中数组
- selectedRows.value = val;
- }
- function onPageChange(val: number) {
- page.value = val;
- fetchData();
- }
- function onConfirm() {
- // 返回所有选中的项(跨页)
- const allSelected = Array.from(selectedMap.value.values());
- emit('confirm', allSelected);
- emit('update:visible', false);
- }
- function onCancel() {
- // 取消时清空选中状态
- selectedMap.value.clear();
- selectedRows.value = [];
- emit('update:visible', false);
- }
- watch([visible, page], (v) => {
- if (visible.value) {
- fetchData();
- } else {
- // 对话框关闭时不清空选中状态,以便下次打开时保留
- // 如果需要关闭时清空,可以在这里调用 selectedMap.value.clear()
- }
- });
- </script>
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