<template>
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<el-dialog
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v-model="visible"
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title="选择产品"
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width="900px"
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destroy-on-close
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:close-on-click-modal="false"
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>
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<el-form :inline="true" :model="query" class="mb-2">
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<el-form-item label="产品大类">
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<el-input
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v-model="query.productName"
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placeholder="输入产品大类"
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clearable
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@keyup.enter="onSearch"
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/>
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</el-form-item>
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<el-form-item label="型号名称">
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<el-input
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v-model="query.model"
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placeholder="输入型号名称"
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clearable
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@keyup.enter="onSearch"
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/>
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</el-form-item>
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<el-form-item>
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<el-button type="primary" @click="onSearch">搜索</el-button>
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<el-button @click="onReset">重置</el-button>
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</el-form-item>
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</el-form>
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<!-- 列表 -->
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<el-table
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ref="tableRef"
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v-loading="loading"
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:data="tableData"
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height="420"
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highlight-current-row
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row-key="id"
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@selection-change="handleSelectionChange"
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@select="handleSelect"
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>
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<el-table-column type="selection" width="55" />
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<el-table-column type="index" label="#" width="60"/>
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<el-table-column prop="productName" label="产品大类" min-width="160"/>
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<el-table-column prop="model" label="型号名称" min-width="200"/>
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<el-table-column prop="unit" label="单位" min-width="160"/>
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</el-table>
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<div class="mt-3 flex justify-end">
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<el-pagination
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background
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layout="total, sizes, prev, pager, next, jumper"
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:total="total"
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v-model:page-size="page.pageSize"
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v-model:current-page="page.pageNum"
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:page-sizes="[10, 20, 50, 100]"
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@size-change="onPageChange"
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@current-change="onPageChange"
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/>
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</div>
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<template #footer>
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<el-button @click="close()">取消</el-button>
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<el-button type="primary" :disabled="multipleSelection.length === 0" @click="onConfirm">
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确定
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</el-button>
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</template>
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</el-dialog>
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</template>
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<script setup lang="ts">
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import {computed, onMounted, reactive, ref, watch, nextTick} from "vue";
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import {ElMessage} from "element-plus";
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import {productModelList} from '@/api/basicData/productModel'
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export type ProductRow = {
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id: number;
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productName: string;
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model: string;
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unit?: string;
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};
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const props = defineProps<{
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modelValue: boolean;
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single?: boolean; // 是否只能选择一个，默认false（可选择多个）
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}>();
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const emit = defineEmits(['update:modelValue', 'confirm']);
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const visible = computed({
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get: () => props.modelValue,
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set: (v) => emit("update:modelValue", v),
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});
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const query = reactive({
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productName: "",
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model: "",
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});
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const page = reactive({
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pageNum: 1,
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pageSize: 10,
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});
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const loading = ref(false);
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const tableData = ref<ProductRow[]>([]);
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const total = ref(0);
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const multipleSelection = ref<ProductRow[]>([]);
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const tableRef = ref();
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function close() {
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visible.value = false;
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}
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const handleSelectionChange = (val: ProductRow[]) => {
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if (props.single && val.length > 1) {
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// 如果限制为单个选择，只保留最后一个选中的
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const lastSelected = val[val.length - 1];
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multipleSelection.value = [lastSelected];
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// 清空表格选中状态，然后重新选中最后一个
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nextTick(() => {
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if (tableRef.value) {
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tableRef.value.clearSelection();
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tableRef.value.toggleRowSelection(lastSelected, true);
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}
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});
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} else {
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multipleSelection.value = val;
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}
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}
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// 处理单个选择
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const handleSelect = (selection: ProductRow[], row: ProductRow) => {
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if (props.single) {
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// 如果限制为单个，清空其他选择，只保留当前行
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if (selection.includes(row)) {
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// 选中当前行时，清空其他选中
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multipleSelection.value = [row];
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nextTick(() => {
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if (tableRef.value) {
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tableData.value.forEach((item) => {
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if (item.id !== row.id) {
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tableRef.value.toggleRowSelection(item, false);
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}
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});
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}
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});
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}
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}
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}
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function onSearch() {
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page.pageNum = 1;
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loadData();
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}
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function onReset() {
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query.productName = "";
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query.model = "";
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page.pageNum = 1;
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loadData();
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}
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function onPageChange() {
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loadData();
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}
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function onConfirm() {
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if (multipleSelection.value.length === 0) {
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ElMessage.warning("请选择一条产品");
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return;
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}
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if (props.single && multipleSelection.value.length > 1) {
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ElMessage.warning("只能选择一个产品");
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return;
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}
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emit("confirm", props.single ? [multipleSelection.value[0]] : multipleSelection.value);
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close();
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}
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async function loadData() {
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loading.value = true;
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try {
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multipleSelection.value = []; // 翻页/搜索后清空选择更符合预期
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const res = await productModelList({
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productName: query.productName.trim(),
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model: query.model.trim(),
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current: page.pageNum,
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size: page.pageSize,
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});
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tableData.value = res.records;
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total.value = res.total;
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} finally {
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loading.value = false;
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}
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}
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// 监听弹窗打开，重置选择
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watch(() => props.modelValue, (visible) => {
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if (visible) {
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multipleSelection.value = [];
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}
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});
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onMounted(() => {
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loadData()
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})
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</script>
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