<template>
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<div class="page">
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<div class="page-title">
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<div><h2>菜单权限管理</h2><p>同一菜单必须同时获得租户授权和角色授权，用户才能访问；第一版 admin 直接显示全部菜单</p></div>
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</div>
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<div class="toolbar">
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<span>租户</span>
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<el-select v-model="tenantId" style="width:220px" @change="loadPermissions"><el-option v-for="item in tenants" :key="item.id" :label="item.name" :value="item.id"></el-option></el-select>
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<span>角色</span>
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<el-select v-model="roleId" style="width:220px" @change="loadPermissions"><el-option v-for="item in roles" :key="item.id" :label="item.name" :value="item.id"></el-option></el-select>
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<div class="spacer"></div>
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<el-tag type="success">最终可用菜单：{{ effectiveCount }} 个</el-tag>
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<el-button type="primary" :loading="saving" @click="save">保存双授权</el-button>
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</div>
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<div class="permission-grid">
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<section class="permission-panel">
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<div class="panel-head"><h3>租户菜单授权</h3><el-checkbox v-model="tenantCheckAll" @change="checkAll('tenant')">全选</el-checkbox></div>
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<el-tree ref="tenantTree" :data="menus" node-key="id" show-checkbox default-expand-all :render-content="renderContent" :props="{ label: 'name', children: 'children' }" @check="syncCheckAllState('tenant')"></el-tree>
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</section>
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<section class="permission-panel">
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<div class="panel-head"><h3>角色菜单授权</h3><el-checkbox v-model="roleCheckAll" @change="checkAll('role')">全选</el-checkbox></div>
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<el-tree ref="roleTree" :data="menus" node-key="id" show-checkbox default-expand-all :render-content="renderContent" :props="{ label: 'name', children: 'children' }" @check="syncCheckAllState('role')"></el-tree>
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</section>
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<section class="permission-panel intersection-panel">
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<div class="panel-head"><h3>交集预览</h3></div>
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<div class="intersection-list"><el-tag v-for="item in effectiveMenus" :key="item.id" size="small">{{ item.name }}</el-tag></div>
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</section>
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</div>
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</div>
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</template>
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<script>
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import api from '@/api'
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export default {
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name: 'MenuPermission',
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data() { return { menus: [], flatMenus: [], roles: [], tenants: [], tenantId: 1, roleId: null, saving: false, tenantCheckAll: false, roleCheckAll: false, selectedTenantIds: [], selectedRoleIds: [] } },
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computed: {
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allMenuIds() { return this.flatMenus.map(item => String(item.id)) },
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parentMenuIds() { const ids = new Set(); this.flatMenus.forEach(item => ids.add(String(item.pid))); return ids },
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leafMenuIds() { return this.flatMenus.filter(item => !this.parentMenuIds.has(String(item.id))).map(item => String(item.id)) },
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effectiveCount() { return this.effectiveMenus.length },
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effectiveMenus() { return this.flatMenus.filter(item => this.selectedTenantIds.map(String).includes(String(item.id)) && this.selectedRoleIds.map(String).includes(String(item.id))) }
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},
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created() { this.loadBase() },
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methods: {
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loadBase() {
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Promise.all([api.get('/system/menu/tree'), api.get('/system/menu/list'), api.get('/system/roles'), api.get('/system/tenants')]).then(([tree, flat, roles, tenants]) => {
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this.menus = tree.data || []; this.flatMenus = flat.data || []; this.roles = roles.data || []; this.tenants = tenants.data || []
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if (!this.roleId && this.roles.length) this.roleId = this.roles[0].id
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this.$nextTick(this.loadPermissions)
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})
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},
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loadPermissions() {
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if (!this.roleId || !this.tenantId) return
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api.get('/system/menu-permissions', { params: { roleId: this.roleId, tenantId: this.tenantId } }).then(res => {
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const data = res.data || {}
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this.selectedTenantIds = data.tenantMenuIds || []
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this.selectedRoleIds = data.roleMenuIds || []
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this.$nextTick(() => {
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this.$refs.tenantTree.setCheckedKeys(this.leafKeys(this.selectedTenantIds))
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this.$refs.roleTree.setCheckedKeys(this.leafKeys(this.selectedRoleIds))
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this.syncCheckAllState('tenant'); this.syncCheckAllState('role')
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})
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})
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},
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renderContent(h, { data }) {
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const label = data.menuType === 2 ? data.name + ' [按钮 ' + (data.permissions || '') + ']' : data.name
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return h('span', { class: { 'perm-button-node': data.menuType === 2 } }, label)
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},
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leafKeys(ids) { const leafIds = new Set(this.leafMenuIds); return (ids || []).map(String).filter(id => leafIds.has(id)) },
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checkedMenuIds(ref) { return [...new Set([...(ref.getCheckedKeys(false) || []), ...(ref.getHalfCheckedKeys() || [])].map(String))] },
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syncCheckAllState(target) { const ref = target === 'tenant' ? this.$refs.tenantTree : this.$refs.roleTree; if (!ref) return; const checked = this.checkedMenuIds(ref).length === this.allMenuIds.length; if (target === 'tenant') this.tenantCheckAll = checked; if (target === 'role') this.roleCheckAll = checked },
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checkAll(target) {
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const checked = target === 'tenant' ? this.tenantCheckAll : this.roleCheckAll
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const ref = target === 'tenant' ? this.$refs.tenantTree : this.$refs.roleTree
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ref.setCheckedKeys(checked ? this.allMenuIds : [])
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this.$nextTick(() => this.syncCheckAllState(target))
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},
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save() {
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const tenantMenuIds = this.checkedMenuIds(this.$refs.tenantTree)
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const roleMenuIds = this.checkedMenuIds(this.$refs.roleTree)
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this.saving = true
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api.post('/system/menu-permissions', { tenantId: this.tenantId, roleId: this.roleId, tenantMenuIds, roleMenuIds }).then(() => {
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this.selectedTenantIds = tenantMenuIds; this.selectedRoleIds = roleMenuIds; this.$message.success('菜单权限已保存')
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}).finally(() => { this.saving = false })
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}
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}
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}
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</script>
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<style scoped>
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::v-deep .perm-button-node { color: #b8791f; }
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.permission-grid { display: grid; grid-template-columns: 1fr 1fr 320px; gap: 12px; }
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.permission-panel { min-height: calc(100vh - 220px); padding: 14px; border: 1px solid #dce4ec; border-radius: 4px; background: #fff; overflow: auto; }
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.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
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.panel-head h3 { margin: 0; color: #31465d; font-size: 15px; }
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.intersection-list { display: flex; flex-wrap: wrap; gap: 6px; }
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@media (max-width: 1100px) { .permission-grid { grid-template-columns: 1fr; } }
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</style>
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