index.vue
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<script setup lang="ts">
import { ElMessage, ElMessageBox, type FormInstance, type FormRules } from 'element-plus'
import { MenuApi, type MenuListReqVO, type MenuSaveReqVO, type MenuVO } from '@/api/system/menu'
import { formatDateTime } from '@/utils'
/**
* 系统管理 - 菜单管理
*
* 接口：/admin-api/system/menu（权限点 system:menu:*）
*
* 菜单是树形数据，`/list` 一次下发整棵树，所以这里**没有分页**：
* el-table 用 row-key + children 递归渲染，分页会把树切断。
*
* `type`（1 目录 / 2 菜单 / 3 按钮）决定了表单里哪些字段有意义，
* 这不是前端自己的约定，而是后端 `MenuServiceImpl` 的强校验，必须照做：
*
* | type | path | component | permission |
* |------|------|-----------|------------|
* | 1 目录 | 可留空 | 后端强制清空 | 忽略 |
* | 2 菜单 | **必填**（MENU_PATH_REQUIRED） | **必填**（MENU_COMPONENT_REQUIRED） | 忽略 |
* | 3 按钮 | 忽略 | 后端强制清空 | **必填**（MENU_PERMISSION_REQUIRED） |
*
* 另外两个后端约束也体现在界面上：
* - 父节点只能是「目录 / 菜单」（按钮不能有子节点）→ 上级菜单的下拉树里过滤掉按钮
* - 有子菜单的节点不能删（MENU_EXISTS_CHILDREN）→ 删除前先提示
*
* ⚠️ `visible` 在库里是 TINYINT(1/0)，但 RespVO/SaveReqVO 两侧都是 **Boolean**，
* 前端不需要做 1/0 转换。
*/
defineOptions({ name: 'SystemMenu' })
/** 菜单类型 */
const TYPE_DIR = 1
const TYPE_MENU = 2
const TYPE_BUTTON = 3
const loading = ref(false)
const list = ref<MenuVO[]>([])
const queryParams = reactive<MenuListReqVO>({
name: ''
})
async function loadList() {
loading.value = true
try {
list.value = (await MenuApi.getMenuList(queryParams)) || []
} finally {
loading.value = false
}
}
function handleSearch() {
loadList()
}
function handleReset() {
queryParams.name = ''
loadList()
}
// ---------------------------------------------------------------------------
// 上级菜单下拉树：只保留「目录 / 菜单」，按钮不能当父节点
// ---------------------------------------------------------------------------
function filterDirAndMenu(nodes: MenuVO[]): MenuVO[] {
return nodes
.filter((node) => node.type !== TYPE_BUTTON)
.map((node) => ({ ...node, children: node.children ? filterDirAndMenu(node.children) : [] }))
}
const parentTree = computed(() => filterDirAndMenu(list.value))
// ---------------------------------------------------------------------------
// 新增 / 修改
// ---------------------------------------------------------------------------
const dialogVisible = ref(false)
const submitting = ref(false)
const formRef = ref<FormInstance>()
function emptyForm(): MenuSaveReqVO {
return {
parentId: 0,
name: '',
type: TYPE_MENU,
sort: 0,
status: 0,
path: '',
icon: '',
component: '',
componentName: '',
permission: '',
visible: true
}
}
const form = reactive<MenuSaveReqVO>(emptyForm())
const isUpdate = computed(() => !!form.id)
const isDir = computed(() => form.type === TYPE_DIR)
const isMenu = computed(() => form.type === TYPE_MENU)
const isButton = computed(() => form.type === TYPE_BUTTON)
const rules: FormRules = {
name: [
{ required: true, message: '请输入菜单名称', trigger: 'blur' },
{ max: 50, message: '菜单名称长度不能超过 50 个字符', trigger: 'blur' }
],
type: [{ required: true, message: '请选择菜单类型', trigger: 'change' }],
sort: [{ required: true, message: '请输入显示顺序', trigger: 'blur' }],
status: [{ required: true, message: '请选择状态', trigger: 'change' }],
path: [{ required: true, message: '菜单的路由地址不能为空', trigger: 'blur' }],
component: [{ required: true, message: '菜单的组件路径不能为空', trigger: 'blur' }],
permission: [{ required: true, message: '按钮的权限标识不能为空', trigger: 'blur' }]
}
function handleCreate(parentId = 0) {
Object.assign(form, emptyForm(), { parentId })
dialogVisible.value = true
nextTick(() => formRef.value?.clearValidate())
}
async function handleUpdate(row: MenuVO) {
const detail = await MenuApi.getMenu(row.id)
Object.assign(form, emptyForm(), {
id: detail.id,
parentId: detail.parentId ?? 0,
name: detail.name,
type: detail.type ?? TYPE_MENU,
sort: detail.sort ?? 0,
status: detail.status ?? 0,
path: detail.path || '',
icon: detail.icon || '',
component: detail.component || '',
componentName: detail.componentName || '',
permission: detail.permission || '',
visible: detail.visible !== false
})
dialogVisible.value = true
nextTick(() => formRef.value?.clearValidate())
}
async function handleSubmit() {
try {
await formRef.value?.validate()
} catch {
return
}
submitting.value = true
try {
const data: MenuSaveReqVO = { ...form }
if (data.id) {
await MenuApi.updateMenu(data)
} else {
await MenuApi.createMenu(data)
}
ElMessage.success(data.id ? '修改成功' : '新增成功')
dialogVisible.value = false
loadList()
} finally {
submitting.value = false
}
}
// ---------------------------------------------------------------------------
// 删除
// ---------------------------------------------------------------------------
function doDelete(row: MenuVO) {
ElMessageBox.confirm(`确认删除菜单「${row.name}」吗？`, '提示', {
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning'
})
.then(async () => {
await MenuApi.deleteMenu(row.id)
ElMessage.success('删除成功')
loadList()
})
.catch(() => {})
}
function handleDelete(row: MenuVO) {
if (row.children && row.children.length > 0) {
ElMessage.warning('该菜单下还有子菜单，请先删除子菜单')
return
}
doDelete(row)
}
async function handleExport() {
await MenuApi.exportMenu(queryParams)
}
onMounted(loadList)
</script>
<template>
<div class="app-container">
<el-card shadow="never" class="mb-3">
<el-form :model="queryParams" inline class="search-form">
<el-form-item label="菜单名称">
<el-input v-model="queryParams.name" placeholder="请输入菜单名称" clearable style="width: 180px" />
</el-form-item>
<el-form-item>
<el-button type="primary" @click="handleSearch">搜索</el-button>
<el-button @click="handleReset">重置</el-button>
</el-form-item>
</el-form>
</el-card>
<el-card shadow="never">
<div class="mb-3">
<el-button v-hasPermi="'system:menu:create'" type="primary" @click="handleCreate(0)">新增</el-button>
<el-button v-hasPermi="'system:menu:export'" plain @click="handleExport">导出</el-button>
<el-button plain @click="loadList">刷新</el-button>
</div>
<el-table
v-loading="loading"
:data="list"
row-key="id"
default-expand-all
border
stripe
size="small"
>
<el-table-column type="index" label="#" width="50" align="center" />
<el-table-column prop="name" label="菜单名称" min-width="180" />
<el-table-column label="图标" width="70" align="center">
<template #default="{ row }">
<Icon :icon="row.icon" :size="16" />
</template>
</el-table-column>
<el-table-column label="类型" width="80" align="center">
<template #default="{ row }">
<DictTag dict-type="system_menu_type" :value="row.type" />
</template>
</el-table-column>
<el-table-column prop="path" label="路由地址" min-width="150" />
<el-table-column prop="permission" label="权限标识" min-width="180" show-overflow-tooltip />
<el-table-column prop="component" label="组件路径" min-width="200" show-overflow-tooltip />
<el-table-column prop="sort" label="排序" width="80" align="center" />
<el-table-column label="状态" width="90" align="center">
<template #default="{ row }">
<DictTag dict-type="system_common_status" :value="row.status" />
</template>
</el-table-column>
<el-table-column label="是否显示" width="100" align="center">
<template #default="{ row }">
<el-tag :type="row.visible ? 'success' : 'info'" size="small">
{{ row.visible ? '显示' : '隐藏' }}
</el-tag>
</template>
</el-table-column>
<el-table-column label="创建时间" width="170">
<template #default="{ row }">{{ formatDateTime(row.createTime) }}</template>
</el-table-column>
<el-table-column label="操作" width="190" fixed="right" align="center">
<template #default="{ row }">
<!-- 按钮不能有子节点，后端会拒绝，所以只对目录/菜单给「新增下级」 -->
<el-button
v-if="row.type !== TYPE_BUTTON"
v-hasPermi="'system:menu:create'"
link
type="primary"
@click="handleCreate(row.id)"
>
新增下级
</el-button>
<el-button v-hasPermi="'system:menu:update'" link type="primary" @click="handleUpdate(row)">
编辑
</el-button>
<el-button v-hasPermi="'system:menu:delete'" link type="danger" @click="handleDelete(row)">
删除
</el-button>
</template>
</el-table-column>
</el-table>
</el-card>
<el-dialog v-model="dialogVisible" :title="isUpdate ? '修改菜单' : '新增菜单'" width="680px">
<el-form ref="formRef" :model="form" :rules="rules" label-width="100px">
<el-form-item label="上级菜单" prop="parentId">
<el-tree-select
v-model="form.parentId"
:data="parentTree"
:props="{ label: 'name', children: 'children' }"
node-key="id"
check-strictly
default-expand-all
:render-after-expand="false"
placeholder="不选则为顶级菜单"
class="w-full"
/>
</el-form-item>
<el-form-item label="菜单类型" prop="type">
<el-radio-group v-model="form.type">
<el-radio :label="TYPE_DIR">目录</el-radio>
<el-radio :label="TYPE_MENU">菜单</el-radio>
<el-radio :label="TYPE_BUTTON">按钮</el-radio>
</el-radio-group>
</el-form-item>
<el-form-item label="菜单名称" prop="name">
<el-input v-model="form.name" placeholder="请输入菜单名称" maxlength="50" />
</el-form-item>
<!-- 按钮只承载权限标识，没有路由，隐藏 path/component/icon/visible 以免填了被后端清空 -->
<template v-if="!isButton">
<el-form-item label="路由地址" prop="path">
<el-input v-model="form.path" :placeholder="isDir ? '目录可留空，如 /system' : '如 /system/user'" maxlength="200" />
</el-form-item>
<el-form-item v-if="isMenu" label="组件路径" prop="component">
<el-input v-model="form.component" placeholder="相对 src/views，如 system/user/index" maxlength="255" />
</el-form-item>
<el-form-item v-if="isMenu" label="组件名称" prop="componentName">
<!-- 与组件文件名 PascalCase 一致，keep-alive 按它缓存页面 -->
<el-input v-model="form.componentName" placeholder="如 SystemUser" maxlength="255" />
</el-form-item>
<el-form-item label="菜单图标" prop="icon">
<el-input v-model="form.icon" placeholder="如 ep:user" maxlength="100" />
</el-form-item>
</template>
<el-form-item v-if="isButton" label="权限标识" prop="permission">
<el-input v-model="form.permission" placeholder="如 system:user:create" maxlength="100" />
</el-form-item>
<el-form-item label="显示顺序" prop="sort">
<el-input-number v-model="form.sort" :min="0" controls-position="right" />
</el-form-item>
<el-form-item label="状态" prop="status">
<el-radio-group v-model="form.status">
<el-radio :label="0">开启</el-radio>
<el-radio :label="1">停用</el-radio>
</el-radio-group>
</el-form-item>
<el-form-item v-if="!isButton" label="是否显示" prop="visible">
<el-radio-group v-model="form.visible">
<el-radio :label="true">显示</el-radio>
<el-radio :label="false">隐藏</el-radio>
</el-radio-group>
</el-form-item>
</el-form>
<template #footer>
<el-button @click="dialogVisible = false">取消</el-button>
<el-button type="primary" :loading="submitting" @click="handleSubmit">确定</el-button>
</template>
</el-dialog>
</div>
</template>