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<template>
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<!-- [[$.ModuleComment]]列表页(树形结构) -->
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<div class="[[$.AppName]]-index">
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<!-- 顶部工具栏 -->
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<el-card :bordered="false" class="pt-3 mb-3 proCard">
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<div>
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<!-- 新增顶级节点 -->
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<el-button type="primary" @click="handleAdd()" v-perm="['[[$.PermissionPrefix]]:add']">
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<template #icon>
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<el-icon>
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<plus />
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</el-icon>
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</template>
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新增[[$.ModuleComment]]
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</el-button>
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<!-- 展开/折叠全部节点 -->
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<el-button @click="handleExpand"> 展开/折叠</el-button>
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[[- if $.HasExport]]
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<!-- 导出 -->
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<el-button type="" @click="handleExport" :loading="exportLoading" :disabled="exportLoading" v-perm="['[[$.PermissionPrefix]]:export']">
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<template #icon>
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<el-icon><Download /></el-icon>
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</template>
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导出
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</el-button>
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[[- end]]
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</div>
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</el-card>
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<!-- 树形表格 -->
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<el-card :bordered="false" class="pt-3 mb-3 proCard">
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<el-table
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border
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v-loading="loading"
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ref="tableRef"
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:data="tableData"
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row-key="[[$.PrimaryPk]]"
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:height="tableHeight"
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:tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
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>
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[[- range $field := .ListFields]]
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[[- if $field.Choices]]
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<!-- [[.Label]](选项标签) -->
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<el-table-column
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label="[[.Label]]"
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prop="[[.CamelName]]"
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align="center"
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min-width="100"
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>
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<template #default="{ row }">
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[[- range $i, $choice := .Choices]]
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<el-tag [[if eq $i 0]]v-if="row.[[$field.CamelName]] == [[.Value]]"[[end]]
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[[if gt $i 0]]v-else-if="row.[[$field.CamelName]] == [[.Value]]"[[end]]
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[[if .Type]]type="[[.Type]]"[[end]]>[[.Label]]</el-tag>
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[[- end]]
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</template>
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</el-table-column>
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[[- else if .IsImage]]
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<!-- [[.Label]](图片,支持点击预览) -->
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<el-table-column
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label="[[.Label]]"
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prop="[[.CamelName]]"
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align="center"
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min-width="100"
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>
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<template #default="{ row }">
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<el-image
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v-if="row.[[.CamelName]]"
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:src="row.[[.CamelName]]"
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:preview-src-list="[row.[[.CamelName]]]"
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fit="cover"
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style="width: 40px; height: 40px; border-radius: 4px;"
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/>
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<span v-else>-</span>
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</template>
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</el-table-column>
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[[- else]]
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<!-- [[.Label]](普通文本,超长省略) -->
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<el-table-column
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label="[[.Label]]"
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prop="[[.CamelName]]"
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min-width="150"
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[[- if ne .CamelName $.DisplayFieldCamel]]
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align="center"
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[[- end]]
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show-overflow-tooltip
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/>
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[[- end]]
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[[- end]]
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<!-- 操作栏:含新增子级、编辑、详情、删除 -->
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<el-table-column align="center" label="操作" width="400" fixed="right">
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<template #default="{ row }">
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<el-button
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type="primary"
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icon="Plus"
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@click="handleAdd(row.id)"
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v-perm="['[[$.PermissionPrefix]]:add']"
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>
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新增
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</el-button>
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<el-button
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type="warning"
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icon="Edit"
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@click="handleEdit(row)"
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v-perm="['[[$.PermissionPrefix]]:update']"
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>
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编辑
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</el-button>
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<el-button
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icon="View"
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@click="handleDetail(row)"
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v-perm="['[[$.PermissionPrefix]]:detail']"
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>
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详情
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</el-button>
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<el-button
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type="danger"
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icon="Delete"
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@click="handleDelete(row)"
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v-perm="['[[$.PermissionPrefix]]:delete']"
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>
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删除
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</el-button>
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</template>
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</el-table-column>
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</el-table>
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</el-card>
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<!-- 新增/编辑弹窗,parentId 用于新增时预选上级 -->
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<editDialog
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ref="editRef"
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v-if="editVisible"
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:[[$.PrimaryPk]]="[[$.PrimaryPk]]Value"
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:parentId="parentId"
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v-model:visible="editVisible"
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@success="getLists"
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/>
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<!-- 详情弹窗 -->
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<detailDialog
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v-if="detailVisible"
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:[[$.PrimaryPk]]="[[$.PrimaryPk]]Value"
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v-model:visible="detailVisible"
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@success="getLists"
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/>
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</div>
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</template>
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<script lang="ts" setup name="[[$.ModelClass]]Index">
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import { defineAsyncComponent, nextTick, onMounted, ref, shallowRef } from 'vue';
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import { get[[$.ModelClass]]List, [[$.ModuleCamel]]Delete[[if $.HasExport]], [[$.ModuleCamel]]Export[[end]] } from '@/api/[[$.ApiPath]]';
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import type { ElTable } from 'element-plus';
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import { confirm, message, buildTree } from '@/utils/auth';
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// 动态导入编辑对话框组件
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const editDialog = defineAsyncComponent(() => import('./edit.vue'));
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// 动态导入详情对话框组件
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const detailDialog = defineAsyncComponent(() => import('./detail.vue'));
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// 表格引用
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const tableRef = shallowRef<InstanceType<typeof ElTable>>();
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// 表格高度,按视口高度减去固定区域动态计算
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const tableHeight = document.body.clientHeight - 320;
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// 响应式状态
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const isExpand = ref(false); // 当前展开状态,供"展开/折叠"切换
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const loading = ref(false); // 表格加载状态
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const editVisible = ref(false); // 编辑弹窗显示状态
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const detailVisible = ref(false); // 详情对话框显示状态
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[[- if $.HasExport]]
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const exportLoading = ref(false); // 导出按钮加载状态
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[[- end]]
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const [[$.PrimaryPk]]Value = ref(0); // 当前操作的主键值
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const parentId = ref(0); // 新增子级时的父级 ID
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const tableData = ref([]); // 表格数据(树形结构)
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/**
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* 加载数据列表
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*
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* 请求全量列表后通过 buildTree 组装为树,
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* 赋值给 tableData 供树形表格渲染。
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* 无论成功失败都会关闭 loading。
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*/
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const getLists = async () => {
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loading.value = true;
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try {
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const data = await get[[$.ModelClass]]List();
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tableData.value = buildTree(data);
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loading.value = false;
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} catch (error) {
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loading.value = false;
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}
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};
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/**
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* 打开新增弹窗
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*
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* 不传 parentIdParam 时新增顶级节点,
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* 传入时新增该节点的子级(父级预选)。
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*
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* @param parentIdParam 上级ID(可选)
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*/
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const handleAdd = async (parentIdParam?: number) => {
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[[$.PrimaryPk]]Value.value = 0;
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parentId.value = parentIdParam || 0;
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await nextTick();
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editVisible.value = true;
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};
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/**
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* 打开编辑弹窗
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*
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* @param row 当前行数据
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*/
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const handleEdit = async (row: any) => {
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[[$.PrimaryPk]]Value.value = row.id;
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await nextTick();
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editVisible.value = true;
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};
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/**
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* 打开详情弹窗
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*
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* @param row 当前行数据
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*/
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const handleDetail = async (row: any) => {
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[[$.PrimaryPk]]Value.value = row.id;
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await nextTick();
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detailVisible.value = true;
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};
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/**
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* 删除数据
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*
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* 先弹出确认框,确认后调用删除接口并刷新列表;
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* 失败时恢复 loading 状态。
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*
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* @param row 当前行数据
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*/
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const handleDelete = async (row: any) => {
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await confirm('确定要删除?');
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try {
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loading.value = true;
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await [[$.ModuleCamel]]Delete(row.id);
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message('删除成功');
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getLists();
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} catch (e) {
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loading.value = false;
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}
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};
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/**
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* 切换全部节点的展开/折叠
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*
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* 翻转 isExpand 后递归调用 toggleExpand。
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*/
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const handleExpand = () => {
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isExpand.value = !isExpand.value;
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toggleExpand(tableData.value, isExpand.value);
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};
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/**
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* 递归展开/折叠所有节点
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*
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* 借助 el-table 的 toggleRowExpansion 控制每一行,
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* 若该行仍有 children 则继续递归。
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*
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* @param children 子级数据
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* @param unfold 是否展开
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*/
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const toggleExpand = (children: any[], unfold = true) => {
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for (const key in children) {
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tableRef.value?.toggleRowExpansion(children[key], unfold);
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if (children[key].children) {
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toggleExpand(children[key].children!, unfold);
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}
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}
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};
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/**
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* 组件挂载后加载列表
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*/
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onMounted(() => {
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getLists();
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});
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[[- if $.HasExport]]
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/**
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* 导出数据
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*
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* 树形结构导出不带筛选条件,拿到文件 URL 后新窗口打开;
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* 导出期间按钮保持 loading,避免重复点击。
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*/
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const handleExport = async () => {
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exportLoading.value = true;
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const data = await [[$.ModuleCamel]]Export({});
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window.open(data);
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exportLoading.value = false;
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message('导出成功');
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};
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[[- end]]
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</script>
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<style scoped></style>
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