weicw-dshsa
da14a1b45c
与后端 checkParentValid 配套的前端侧防御（分类是自关联结构，成环会让分类树整个渲染不出来）： - category-edit：新增 parentOptions 计算属性，修改分类时把「自己及自己的整棵子树」 从上级候选中剔除，避免在界面上就能选出环。 - index：parseData 先过滤掉 categoryId === parentId 的记录（toTreeData 遇到这类数据 会直接 throw，拖垮整个列表），并把被跳过的分类 id 提示给用户，让其去库里修正。
303 lines
8.5 KiB
Vue
303 lines
8.5 KiB
Vue
<template>
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<div class="ele-body">
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<a-card :bordered="false">
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<!-- 表格 -->
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<ele-pro-table
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ref="tableRef"
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row-key="categoryId"
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:columns="columns"
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:datasource="datasource"
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:parse-data="parseData"
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:need-page="false"
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:expand-icon-column-index="1"
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:expanded-row-keys="expandedRowKeys"
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:scroll="{ x: 1200 }"
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cache-key="proArticleCategoryTable"
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@done="onDone"
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@expand="onExpand"
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>
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<template #toolbar>
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<a-space>
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<a-button type="primary" class="ele-btn-icon" @click="openEdit()">
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<template #icon>
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<plus-outlined />
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</template>
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<span>新建</span>
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</a-button>
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<a-button type="dashed" class="ele-btn-icon" @click="expandAll">
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展开全部
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</a-button>
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<a-button type="dashed" class="ele-btn-icon" @click="foldAll">
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折叠全部
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</a-button>
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<!-- 搜索表单 -->
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<a-input-search
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allow-clear
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v-model:value="searchText"
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placeholder="请输入搜索关键词"
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@search="search"
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@pressEnter="search"
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/>
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</a-space>
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</template>
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<template #bodyCell="{ column, record }">
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<template v-if="column.key === 'menuType'">
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<a-tag v-if="isExternalLink(record.path)" color="red">外链</a-tag>
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<a-tag v-else-if="isExternalLink(record.component)" color="orange">
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内链
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</a-tag>
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<a-tag v-else-if="isDirectory(record)" color="blue">目录</a-tag>
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<a-tag v-else-if="record.menuType === 0" color="green">分类</a-tag>
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<a-tag v-else-if="record.menuType === 1">按钮</a-tag>
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</template>
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<template v-else-if="column.key === 'title'">
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<a-avatar
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:size="20"
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v-if="record.categoryAvatar"
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shape="square"
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:src="`https://file.wsdns.cn/${record.categoryAvatar}`"
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/>
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<a-tooltip :title="`分类ID：${record.categoryId}`">
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<span>{{ record.title }}</span>
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</a-tooltip>
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</template>
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<template v-if="column.key === 'status'">
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<a-tag v-if="record.status === 0" color="green">显示</a-tag>
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<a-tag v-if="record.status === 1" color="orange">隐藏</a-tag>
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</template>
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<template v-else-if="column.key === 'action'">
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<a-space>
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<a @click="openEdit(null, record.categoryId)">添加</a>
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<a-divider type="vertical" />
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<a @click="openEdit(record)">修改</a>
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<a-divider type="vertical" />
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<a-popconfirm
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placement="topRight"
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title="确定要删除此分类吗？"
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@confirm="remove(record)"
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>
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<a class="ele-text-danger">删除</a>
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</a-popconfirm>
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</a-space>
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</template>
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</template>
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</ele-pro-table>
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</a-card>
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<!-- 编辑弹窗 -->
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<category-edit
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v-model:visible="showEdit"
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:data="current"
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:parent-id="parentId"
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:category-list="categoryData"
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@done="reload"
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/>
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</div>
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</template>
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<script lang="ts" setup>
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import { ref } from 'vue';
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import { message } from 'ant-design-vue/es';
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import { PlusOutlined } from '@ant-design/icons-vue';
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import type {
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DatasourceFunction,
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ColumnItem,
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EleProTableDone
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} from 'ele-admin-pro/es/ele-pro-table/types';
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import {
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messageLoading,
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toDateString,
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isExternalLink,
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toTreeData,
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eachTreeData
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} from 'ele-admin-pro/es';
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import type { EleProTable } from 'ele-admin-pro/es';
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import CategoryEdit from './components/category-edit.vue';
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import {
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listArticleCategory,
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removeArticleCategory
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} from '@/api/cms/category';
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import type {
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ArticleCategory,
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ArticleCategoryParam
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} from '@/api/cms/category/model';
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// 表格实例
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const tableRef = ref<InstanceType<typeof EleProTable> | null>(null);
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// 表格列配置
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const columns = ref<ColumnItem[]>([
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{
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key: 'index',
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width: 48,
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align: 'center',
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fixed: 'left',
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hideInSetting: true,
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customRender: ({ index }) => index + (tableRef.value?.tableIndex ?? 0)
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},
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{
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title: '分类名称',
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key: 'title',
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showSorterTooltip: false,
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ellipsis: true
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},
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{
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title: '排序',
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dataIndex: 'sortNumber',
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sorter: true,
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width: 180,
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showSorterTooltip: false
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},
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{
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title: '状态',
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dataIndex: 'status',
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key: 'status',
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sorter: true,
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width: 180,
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showSorterTooltip: false,
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customRender: ({ text }) => ['显示', '隐藏'][text]
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},
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{
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title: '创建时间',
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dataIndex: 'createTime',
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sorter: true,
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showSorterTooltip: false,
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ellipsis: true,
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width: 180,
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customRender: ({ text }) => toDateString(text)
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},
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{
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title: '操作',
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key: 'action',
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width: 200,
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align: 'center'
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}
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]);
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// 当前编辑数据
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const current = ref<ArticleCategory | null>(null);
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// 是否显示编辑弹窗
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const showEdit = ref(false);
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// 上级分类id
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const parentId = ref<number>();
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// 分类数据
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const categoryData = ref<ArticleCategory[]>([]);
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// 表格展开的行
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const expandedRowKeys = ref<number[]>([]);
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// 表格数据源
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const datasource: DatasourceFunction = ({ where }) => {
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return listArticleCategory({ ...where });
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};
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/* 数据转为树形结构 */
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const parseData = (data: ArticleCategory[]) => {
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/*
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* 防御性过滤：分类是自关联结构，如果库里存在「自己指向自己」的脏数据，
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* toTreeData 会直接 throw，导致整个页面无法渲染（报 data error: {categoryId: x, parentId: x}）。
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* 这里先剔除这类记录，只影响异常的那一行，不拖垮整个列表。
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*/
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const validData = (data ?? []).filter((d) => d.categoryId !== d.parentId);
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if (validData.length !== (data ?? []).length) {
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const badIds = (data ?? [])
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.filter((d) => d.categoryId === d.parentId)
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.map((d) => d.categoryId)
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.join('、');
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message.error(
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`分类 ${badIds} 的上级分类是它自己，已跳过显示，请在数据库中修正`
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);
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}
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return toTreeData({
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data: validData.map((d) => {
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return { ...d, key: d.categoryId, value: d.categoryId };
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}),
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idField: 'categoryId',
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parentIdField: 'parentId'
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});
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};
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/* 表格渲染完成回调 */
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const onDone: EleProTableDone<ArticleCategory> = ({ data }) => {
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categoryData.value = data;
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};
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/* 刷新表格 */
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const reload = (where?: ArticleCategoryParam) => {
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tableRef?.value?.reload({ where });
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};
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/* 打开编辑弹窗 */
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const openEdit = (row?: ArticleCategory | null, id?: number) => {
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current.value = row ?? null;
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parentId.value = id;
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showEdit.value = true;
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};
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const search = (searchText) => {
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reload({ title: searchText });
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};
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/* 删除单个 */
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const remove = (row: ArticleCategory) => {
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if (row.children?.length) {
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message.error('请先删除子节点');
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return;
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}
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const hide = messageLoading('请求中..', 0);
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removeArticleCategory(row.categoryId)
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.then((msg) => {
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hide();
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message.success(msg);
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reload();
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})
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.catch((e) => {
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hide();
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message.error(e.message);
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});
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};
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/* 展开全部 */
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const expandAll = () => {
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let keys: number[] = [];
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eachTreeData(categoryData.value, (d) => {
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if (d.children && d.children.length && d.categoryId) {
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keys.push(d.categoryId);
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}
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});
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expandedRowKeys.value = keys;
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};
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/* 折叠全部 */
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const foldAll = () => {
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expandedRowKeys.value = [];
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};
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/* 点击展开图标时触发 */
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const onExpand = (expanded: boolean, record: ArticleCategory) => {
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if (expanded) {
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expandedRowKeys.value = [
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...expandedRowKeys.value,
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record.categoryId as number
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];
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} else {
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expandedRowKeys.value = expandedRowKeys.value.filter(
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(d) => d !== record.categoryId
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);
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}
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};
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/* 判断是否是目录 */
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const isDirectory = (d: ArticleCategory) => {
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return !!d.children?.length;
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};
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</script>
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<script lang="ts">
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export default {
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name: 'ArticleCategory'
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};
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</script>
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