<template>
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<el-dialog
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title="角色权限设置"
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:visible.sync="dialogVisible"
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width="860px"
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append-to-body
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:close-on-click-modal="false"
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>
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<div class="permission-head">
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<div>
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<span class="role-label">当前角色</span>
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<strong>{{ role.name }}</strong>
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<span class="role-code">{{ role.code }}</span>
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</div>
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<span class="selected-total">已选权限 {{ selectedRoleIds.length }} 个</span>
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</div>
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<div class="permission-toolbar">
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<el-checkbox v-model="checkAll" @change="toggleAll">全选</el-checkbox>
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<span class="permission-tip">菜单和按钮权限均可勾选，保存后切换角色会自动反显。</span>
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</div>
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<div v-loading="loading" class="permission-tree">
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<el-tree
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ref="permissionTree"
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:data="menus"
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node-key="id"
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show-checkbox
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default-expand-all
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:render-content="renderContent"
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:props="{ label: 'name', children: 'children' }"
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@check="syncCheckAllState"
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></el-tree>
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</div>
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<template slot="footer">
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<el-button @click="dialogVisible = false">取消</el-button>
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<el-button type="primary" :loading="saving" v-permission="'system:roles:permission'" @click="save">保存</el-button>
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</template>
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</el-dialog>
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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: 'RolePermissionDialog',
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props: {
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visible: { type: Boolean, default: false },
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role: { type: Object, default: () => ({}) }
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},
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data() {
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return {
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menus: [],
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flatMenus: [],
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loading: false,
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saving: false,
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checkAll: false,
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selectedRoleIds: []
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}
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},
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computed: {
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dialogVisible: {
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get() { return this.visible },
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set(value) { this.$emit('update:visible', value) }
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},
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allMenuIds() {
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return this.flatMenus.map(item => String(item.id))
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}
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},
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watch: {
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visible(value) {
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if (value) this.open()
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},
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},
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methods: {
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open() {
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if (!this.role || !this.role.id) return
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this.loading = true
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this.checkAll = false
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this.selectedRoleIds = []
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Promise.all([
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api.get('/system/menu/tree'),
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api.get('/system/menu/list'),
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api.get('/system/menu-permissions', { params: { roleId: this.role.id } })
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]).then(([tree, flat, permissions]) => {
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this.menus = tree.data || []
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this.flatMenus = flat.data || []
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const data = permissions.data || {}
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this.selectedRoleIds = (data.roleMenuIds || []).map(String)
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this.$nextTick(() => {
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if (!this.$refs.permissionTree) return
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this.$refs.permissionTree.setCheckedKeys(this.displayCheckedKeys(this.selectedRoleIds))
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this.syncCheckAllState()
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})
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}).finally(() => { this.loading = false })
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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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displayCheckedKeys(ids) {
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const selected = new Set((ids || []).map(String))
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const children = {}
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const menuIds = new Set(this.flatMenus.map(item => String(item.id)))
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this.flatMenus.forEach(item => {
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const id = String(item.id)
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const pid = item.pid == null ? '0' : String(item.pid)
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if (!children[pid]) children[pid] = []
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children[pid].push(id)
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})
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const result = []
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const collectFullySelected = id => {
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if (!selected.has(id)) return false
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const childIds = children[id] || []
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if (!childIds.length) {
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result.push(id)
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return true
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}
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const allChildrenSelected = childIds.map(collectFullySelected).every(Boolean)
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if (allChildrenSelected) result.push(id)
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return allChildrenSelected
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}
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this.flatMenus
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.filter(item => item.pid == null || String(item.pid) === '0' || !menuIds.has(String(item.pid)))
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.forEach(item => collectFullySelected(String(item.id)))
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return result
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},
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checkedMenuIds() {
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const tree = this.$refs.permissionTree
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if (!tree) return []
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return [...new Set([...(tree.getCheckedKeys(false) || []), ...(tree.getHalfCheckedKeys() || [])].map(String))]
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},
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syncCheckAllState() {
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this.checkAll = this.checkedMenuIds().length === this.allMenuIds.length
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},
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toggleAll() {
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if (!this.$refs.permissionTree) return
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this.$refs.permissionTree.setCheckedKeys(this.checkAll ? this.allMenuIds : [])
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this.$nextTick(this.syncCheckAllState)
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},
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save() {
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const roleMenuIds = this.checkedMenuIds()
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this.saving = true
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api.post('/system/menu-permissions', { roleId: this.role.id, roleMenuIds }).then(() => {
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this.selectedRoleIds = roleMenuIds
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this.$message.success('角色权限已保存')
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this.$emit('saved')
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this.dialogVisible = false
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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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.permission-head {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 12px;
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color: #31465d;
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}
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.role-label {
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margin-right: 10px;
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color: #7b8b9c;
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font-size: 13px;
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}
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.role-code {
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margin-left: 8px;
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color: #93a2b1;
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font-size: 12px;
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}
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.selected-total {
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color: #2f658f;
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font-size: 13px;
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}
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.permission-toolbar {
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display: flex;
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align-items: center;
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gap: 12px;
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margin-bottom: 10px;
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}
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.permission-tip {
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color: #7b8a9a;
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font-size: 12px;
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}
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.permission-tree {
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height: 460px;
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padding: 8px 10px;
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border: 1px solid #dce4ec;
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border-radius: 4px;
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overflow: auto;
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}
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::v-deep .perm-button-node {
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color: #b8791f;
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}
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</style>
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