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Phase 1 #20 #23: 通用模块 + Vue3 前端框架搭建 

#20 通用模块:
- MinioService: MinIO 文件上传/下载/桶管理
- @DataScope 注解: 数据权限切片
- ExcelUtils: EasyExcel 导出
- IdUtils: Snowflake ID 生成器
- BaseEntity: MyBatis-Plus 基础实体

#23 前端框架:
- Vue3 + TypeScript + Vite + Element Plus + ECharts + Pinia
- 路由系统: 登录守卫 + 动态路由
- 登录页: 渐变背景 + Axios+Sa-Token 认证
- 仪表盘: 统计卡片 + 供水趋势折线图 + 片区饼图
- MainLayout: 侧边栏菜单 + 顶栏用户下拉(退出)
- API 层: Axios 请求/响应拦截器 + Token 自动注入
- 系统管理骨架: 用户/角色/菜单/部门 列表页
bot_pm 5 giorni fa
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9a7e0481ef
commit
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24 ha cambiato i file con 538 aggiunte e 0 eliminazioni
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  1. 12
    0
      frontend/index.html
  2. 31
    0
      frontend/package.json
  3. 3
    0
      frontend/src/App.vue
  4. 13
    0
      frontend/src/api/auth.ts
  5. 21
    0
      frontend/src/api/request.ts
  6. 2
    0
      frontend/src/assets/style.scss
  7. 53
    0
      frontend/src/components/layout/MainLayout.vue
  8. 14
    0
      frontend/src/main.ts
  9. 27
    0
      frontend/src/router/index.ts
  10. 10
    0
      frontend/src/store/user.ts
  11. 62
    0
      frontend/src/views/dashboard/DashboardView.vue
  12. 52
    0
      frontend/src/views/login/LoginView.vue
  13. 22
    0
      frontend/src/views/system/dept/部门List.vue
  14. 22
    0
      frontend/src/views/system/menu/菜单List.vue
  15. 22
    0
      frontend/src/views/system/role/角色List.vue
  16. 22
    0
      frontend/src/views/system/user/用户List.vue
  17. 20
    0
      frontend/tsconfig.json
  18. 14
    0
      frontend/vite.config.ts
  19. 11
    0
      wm-common/src/main/java/com/water/common/core/annotation/DataScope.java
  20. 15
    0
      wm-common/src/main/java/com/water/common/core/config/SwaggerCommonConfig.java
  21. 16
    0
      wm-common/src/main/java/com/water/common/core/entity/BaseEntity.java
  22. 41
    0
      wm-common/src/main/java/com/water/common/core/storage/MinioService.java
  23. 23
    0
      wm-common/src/main/java/com/water/common/core/util/ExcelUtils.java
  24. 10
    0
      wm-common/src/main/java/com/water/common/core/util/IdUtils.java

+ 12
- 0
frontend/index.html Vedi File

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+<!DOCTYPE html>
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+<html lang="zh-CN">
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+<head>
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+  <meta charset="UTF-8" />
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+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+  <title>智慧水务管理系统</title>
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+</head>
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+<body>
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+  <div id="app"></div>
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+  <script type="module" src="/src/main.ts"></script>
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+</body>
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+</html>

+ 31
- 0
frontend/package.json Vedi File

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+{
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+  "name": "water-management-frontend",
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+  "version": "1.0.0",
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+  "private": true,
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+  "scripts": {
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+    "dev": "vite",
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+    "build": "vue-tsc && vite build",
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+    "preview": "vite preview"
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+  },
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+  "dependencies": {
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+    "vue": "^3.5.0",
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+    "vue-router": "^4.4.0",
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+    "pinia": "^2.2.0",
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+    "axios": "^1.7.0",
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+    "element-plus": "^2.8.0",
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+    "@element-plus/icons-vue": "^2.3.0",
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+    "echarts": "^5.5.0",
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+    "leaflet": "^1.9.0",
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+    "cesium": "^1.120.0"
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+  },
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+  "devDependencies": {
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+    "typescript": "^5.5.0",
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+    "vite": "^5.4.0",
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+    "vue-tsc": "^2.0.0",
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+    "@types/leaflet": "^1.9.0",
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+    "sass": "^1.77.0",
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+    "unplugin-auto-import": "^0.17.0",
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+    "unplugin-vue-components": "^0.27.0",
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+    "vite-plugin-compression": "^0.5.0"
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+  }
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+}

+ 3
- 0
frontend/src/App.vue Vedi File

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+<template>
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+  <router-view />
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+</template>

+ 13
- 0
frontend/src/api/auth.ts Vedi File

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+import request from './request'
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+
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+export function login(username: string, password: string) {
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+  return request.post('/base/auth/login', { username, password })
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+}
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+
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+export function getUserInfo() {
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+  return request.get('/base/auth/user-info')
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+}
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+
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+export function logout() {
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+  return request.post('/base/auth/logout')
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+}

+ 21
- 0
frontend/src/api/request.ts Vedi File

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+import axios from 'axios'
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+import { ElMessage } from 'element-plus'
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+
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+const request = axios.create({ baseURL: '/api', timeout: 15000 })
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+
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+request.interceptors.request.use(config => {
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+  const token = localStorage.getItem('token')
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+  if (token) config.headers.Authorization = token
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+  return config
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+})
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+
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+request.interceptors.response.use(
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+  res => {
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+    const data = res.data
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+    if (data.code !== 200) { ElMessage.error(data.message); return Promise.reject(data) }
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+    return data
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+  },
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+  err => { ElMessage.error(err.message); return Promise.reject(err) }
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+)
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+
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+export default request

+ 2
- 0
frontend/src/assets/style.scss Vedi File

1 
+body { margin:0; padding:0; font-family:"Microsoft YaHei","PingFang SC",sans-serif }
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+#app { height:100vh }

+ 53
- 0
frontend/src/components/layout/MainLayout.vue Vedi File

1 
+<template>
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+  <el-container style="height:100vh">
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+    <el-aside width="220px" class="sidebar">
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+      <div class="logo">💧 智慧水务</div>
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+      <el-menu :default-active="route.path" router background-color="#304156" text-color="#bfcbd9" active-text-color="#409EFF">
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+        <el-menu-item index="/dashboard"><el-icon><DataAnalysis /></el-icon>供水总览</el-menu-item>
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+        <el-sub-menu index="system">
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+          <template #title><el-icon><Setting /></el-icon>系统管理</template>
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+          <el-menu-item index="/system/user">用户管理</el-menu-item>
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+          <el-menu-item index="/system/role">角色管理</el-menu-item>
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+          <el-menu-item index="/system/menu">菜单管理</el-menu-item>
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+          <el-menu-item index="/system/dept">部门管理</el-menu-item>
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+        </el-sub-menu>
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+      </el-menu>
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+    </el-aside>
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+    <el-container>
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+      <el-header class="topbar">
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+        <span class="title">精河县供水工程综合管理平台</span>
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+        <el-dropdown @command="handleCommand">
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+          <span class="user">{{ userStore.realName || '管理员' }} <el-icon><ArrowDown /></el-icon></span>
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+          <template #dropdown>
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+            <el-dropdown-menu>
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+              <el-dropdown-item>个人中心</el-dropdown-item>
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+              <el-dropdown-item command="logout">退出登录</el-dropdown-item>
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+            </el-dropdown-menu>
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+          </template>
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+        </el-dropdown>
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+      </el-header>
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+      <el-main><router-view /></el-main>
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+    </el-container>
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+  </el-container>
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+</template>
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+
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+<script setup lang="ts">
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+import { useRoute, useRouter } from 'vue-router'
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+import { useUserStore } from '@/store/user'
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+
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+const route = useRoute()
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+const router = useRouter()
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+const userStore = useUserStore()
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+
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+function handleCommand(cmd: string) {
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+  if (cmd === 'logout') { userStore.logout(); router.push('/login') }
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+}
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+</script>
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+
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+<style scoped>
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+.sidebar { background:#304156; overflow-y:auto }
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+.logo { color:#fff; text-align:center; padding:16px; font-size:18px; font-weight:bold; border-bottom:1px solid rgba(255,255,255,.1) }
50 
+.topbar { background:#fff; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid #e6e6e6 }
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+.title { font-size:16px; color:#333 }
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+.user { cursor:pointer; color:#666 }
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+</style>

+ 14
- 0
frontend/src/main.ts Vedi File

1 
+import { createApp } from 'vue'
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+import ElementPlus from 'element-plus'
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+import 'element-plus/dist/index.css'
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+import App from './App.vue'
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+import router from './router'
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+import { createPinia } from 'pinia'
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+import * as ElementPlusIconsVue from '@element-plus/icons-vue'
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+import './assets/style.scss'
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+
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+const app = createApp(App)
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+for (const [key, comp] of Object.entries(ElementPlusIconsVue)) {
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+  app.component(key, comp)
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+}
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+app.use(ElementPlus).use(router).use(createPinia()).mount('#app')

+ 27
- 0
frontend/src/router/index.ts Vedi File

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+import { createRouter, createWebHistory } from 'vue-router'
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+
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+const routes = [
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+  { path: '/login', name: 'login', component: () => import('@/views/login/LoginView.vue') },
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+  {
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+    path: '/', component: () => import('@/components/layout/MainLayout.vue'),
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+    redirect: '/dashboard',
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+    children: [
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+      { path: 'dashboard', name: 'dashboard', component: () => import('@/views/dashboard/DashboardView.vue') },
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+      { path: 'system/user', name: 'user', component: () => import('@/views/system/user/UserList.vue') },
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+      { path: 'system/role', name: 'role', component: () => import('@/views/system/role/RoleList.vue') },
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+      { path: 'system/menu', name: 'menu', component: () => import('@/views/system/menu/MenuList.vue') },
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+      { path: 'system/dept', name: 'dept', component: () => import('@/views/system/dept/DeptList.vue') },
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+    ]
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+  },
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+  { path: '/:pathMatch(.*)*', redirect: '/dashboard' }
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+]
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+
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+const router = createRouter({ history: createWebHistory(), routes })
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+
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+router.beforeEach((to, _from, next) => {
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+  const token = localStorage.getItem('token')
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+  if (to.path !== '/login' && !token) { next('/login') }
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+  else { next() }
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+})
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+
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+export default router

+ 10
- 0
frontend/src/store/user.ts Vedi File

1 
+import { defineStore } from 'pinia'
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+import { ref } from 'vue'
3 
+
4 
+export const useUserStore = defineStore('user', () => {
5 
+  const token = ref(localStorage.getItem('token') || '')
6 
+  const realName = ref('')
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+  const setToken = (t: string) => { token.value = t; localStorage.setItem('token', t) }
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+  const logout = () => { token.value = ''; localStorage.removeItem('token') }
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+  return { token, realName, setToken, logout }
10 
+})

+ 62
- 0
frontend/src/views/dashboard/DashboardView.vue Vedi File

1 
+<template>
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+  <div class="dashboard">
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+    <h2>供水总览</h2>
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+    <el-row :gutter="16">
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+      <el-col :span="6" v-for="card in cards" :key="card.title">
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+        <el-card shadow="hover">
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+          <div class="stat-card">
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+            <div class="stat-value">{{ card.value }}</div>
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+            <div class="stat-title">{{ card.title }}</div>
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+          </div>
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+        </el-card>
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+      </el-col>
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+    </el-row>
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+    <el-row :gutter="16" style="margin-top:16px">
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+      <el-col :span="12"><el-card><div ref="chart1" style="height:300px" /></el-card></el-col>
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+      <el-col :span="12"><el-card><div ref="chart2" style="height:300px" /></el-card></el-col>
17 
+    </el-row>
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+  </div>
19 
+</template>
20 
+
21 
+<script setup lang="ts">
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+import { ref, onMounted } from 'vue'
23 
+import * as echarts from 'echarts'
24 
+
25 
+const cards = [
26 
+  { title: '今日进水(m³)', value: '12,580' },
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+  { title: '今日出水(m³)', value: '11,230' },
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+  { title: '在线设备', value: '156' },
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+  { title: '今日报警', value: '3' },
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+]
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+
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+const chart1 = ref()
33 
+const chart2 = ref()
34 
+
35 
+onMounted(() => {
36 
+  const c1 = echarts.init(chart1.value)
37 
+  c1.setOption({
38 
+    title: { text: '24小时供水趋势' },
39 
+    tooltip: { trigger: 'axis' },
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+    xAxis: { data: ['00:00','04:00','08:00','12:00','16:00','20:00'] },
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+    yAxis: { name: '流量(m³/h)' },
42 
+    series: [{ data: [320,280,450,520,480,380], type: 'line', smooth: true, areaStyle: {} }]
43 
+  })
44 
+  const c2 = echarts.init(chart2.value)
45 
+  c2.setOption({
46 
+    title: { text: '片区用水分布' },
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+    tooltip: {},
48 
+    series: [{
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+      type: 'pie', radius: ['45%','70%'],
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+      data: [{ value: 3200, name: '一体化水厂' },{ value: 1800, name: '精芒片区' },
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+             { value: 1500, name: '八家户片区' },{ value: 1200, name: '托里片区' },
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+             { value: 900, name: '大镇片区' },{ value: 600, name: '托托片区' }]
53 
+    }]
54 
+  })
55 
+})
56 
+</script>
57 
+
58 
+<style scoped>
59 
+.stat-card { text-align:center; padding:10px }
60 
+.stat-value { font-size:28px; font-weight:bold; color:#2a5298 }
61 
+.stat-title { color:#666; margin-top:8px }
62 
+</style>

+ 52
- 0
frontend/src/views/login/LoginView.vue Vedi File

1 
+<template>
2 
+  <div class="login-container">
3 
+    <div class="login-box">
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+      <h1>智慧水务管理系统</h1>
5 
+      <el-form :model="form" :rules="rules" ref="formRef">
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+        <el-form-item prop="username">
7 
+          <el-input v-model="form.username" placeholder="用户名" prefix-icon="User" size="large" />
8 
+        </el-form-item>
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+        <el-form-item prop="password">
10 
+          <el-input v-model="form.password" type="password" placeholder="密码" prefix-icon="Lock" size="large" @keyup.enter="handleLogin" />
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+        </el-form-item>
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+        <el-form-item>
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+          <el-button type="primary" size="large" style="width:100%" :loading="loading" @click="handleLogin">登 录</el-button>
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+        </el-form-item>
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+      </el-form>
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+    </div>
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+  </div>
18 
+</template>
19 
+
20 
+<script setup lang="ts">
21 
+import { ref, reactive } from 'vue'
22 
+import { useRouter } from 'vue-router'
23 
+import { useUserStore } from '@/store/user'
24 
+import { login } from '@/api/auth'
25 
+import { ElMessage } from 'element-plus'
26 
+
27 
+const router = useRouter()
28 
+const userStore = useUserStore()
29 
+const formRef = ref()
30 
+const loading = ref(false)
31 
+const form = reactive({ username: 'admin', password: 'admin123' })
32 
+const rules = { username: [{ required: true, message: '请输入用户名' }], password: [{ required: true, message: '请输入密码' }] }
33 
+
34 
+async function handleLogin() {
35 
+  await formRef.value.validate()
36 
+  loading.value = true
37 
+  try {
38 
+    const res = await login(form.username, form.password)
39 
+    userStore.setToken(res.data)
40 
+    ElMessage.success('登录成功')
41 
+    router.push('/dashboard')
42 
+  } catch (e) {
43 
+    console.error(e)
44 
+  } finally { loading.value = false }
45 
+}
46 
+</script>
47 
+
48 
+<style scoped>
49 
+.login-container { display:flex; justify-content:center; align-items:center; height:100vh; background:linear-gradient(135deg,#1e3c72 0%,#2a5298 100%) }
50 
+.login-box { width:400px; padding:40px; background:#fff; border-radius:8px; box-shadow:0 2px 12px rgba(0,0,0,.3) }
51 
+h1 { text-align:center; margin-bottom:30px; color:#1e3c72 }
52 
+</style>

+ 22
- 0
frontend/src/views/system/dept/部门List.vue Vedi File

1 
+<template>
2 
+  <div>
3 
+    <el-button type="primary" @click="dialogVisible=true">新增部门</el-button>
4 
+    <el-table :data="tableData" style="margin-top:10px" border>
5 
+      <el-table-column prop="id" label="ID" width="80" />
6 
+      <el-table-column prop="name" label="名称" />
7 
+      <el-table-column label="操作" width="180">
8 
+        <template #default>
9 
+          <el-button link type="primary">编辑</el-button>
10 
+          <el-button link type="danger">删除</el-button>
11 
+        </template>
12 
+      </el-table-column>
13 
+    </el-table>
14 
+    <el-dialog v-model="dialogVisible" title="新增部门"><span>表单内容待实现</span></el-dialog>
15 
+  </div>
16 
+</template>
17 
+
18 
+<script setup lang="ts">
19 
+import { ref } from 'vue'
20 
+const dialogVisible = ref(false)
21 
+const tableData = ref<Array<{id:number,name:string}>>([])
22 
+</script>

+ 22
- 0
frontend/src/views/system/menu/菜单List.vue Vedi File

1 
+<template>
2 
+  <div>
3 
+    <el-button type="primary" @click="dialogVisible=true">新增菜单</el-button>
4 
+    <el-table :data="tableData" style="margin-top:10px" border>
5 
+      <el-table-column prop="id" label="ID" width="80" />
6 
+      <el-table-column prop="name" label="名称" />
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+      <el-table-column label="操作" width="180">
8 
+        <template #default>
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+          <el-button link type="primary">编辑</el-button>
10 
+          <el-button link type="danger">删除</el-button>
11 
+        </template>
12 
+      </el-table-column>
13 
+    </el-table>
14 
+    <el-dialog v-model="dialogVisible" title="新增菜单"><span>表单内容待实现</span></el-dialog>
15 
+  </div>
16 
+</template>
17 
+
18 
+<script setup lang="ts">
19 
+import { ref } from 'vue'
20 
+const dialogVisible = ref(false)
21 
+const tableData = ref<Array<{id:number,name:string}>>([])
22 
+</script>

+ 22
- 0
frontend/src/views/system/role/角色List.vue Vedi File

1 
+<template>
2 
+  <div>
3 
+    <el-button type="primary" @click="dialogVisible=true">新增角色</el-button>
4 
+    <el-table :data="tableData" style="margin-top:10px" border>
5 
+      <el-table-column prop="id" label="ID" width="80" />
6 
+      <el-table-column prop="name" label="名称" />
7 
+      <el-table-column label="操作" width="180">
8 
+        <template #default>
9 
+          <el-button link type="primary">编辑</el-button>
10 
+          <el-button link type="danger">删除</el-button>
11 
+        </template>
12 
+      </el-table-column>
13 
+    </el-table>
14 
+    <el-dialog v-model="dialogVisible" title="新增角色"><span>表单内容待实现</span></el-dialog>
15 
+  </div>
16 
+</template>
17 
+
18 
+<script setup lang="ts">
19 
+import { ref } from 'vue'
20 
+const dialogVisible = ref(false)
21 
+const tableData = ref<Array<{id:number,name:string}>>([])
22 
+</script>

+ 22
- 0
frontend/src/views/system/user/用户List.vue Vedi File

1 
+<template>
2 
+  <div>
3 
+    <el-button type="primary" @click="dialogVisible=true">新增用户</el-button>
4 
+    <el-table :data="tableData" style="margin-top:10px" border>
5 
+      <el-table-column prop="id" label="ID" width="80" />
6 
+      <el-table-column prop="name" label="名称" />
7 
+      <el-table-column label="操作" width="180">
8 
+        <template #default>
9 
+          <el-button link type="primary">编辑</el-button>
10 
+          <el-button link type="danger">删除</el-button>
11 
+        </template>
12 
+      </el-table-column>
13 
+    </el-table>
14 
+    <el-dialog v-model="dialogVisible" title="新增用户"><span>表单内容待实现</span></el-dialog>
15 
+  </div>
16 
+</template>
17 
+
18 
+<script setup lang="ts">
19 
+import { ref } from 'vue'
20 
+const dialogVisible = ref(false)
21 
+const tableData = ref<Array<{id:number,name:string}>>([])
22 
+</script>

+ 20
- 0
frontend/tsconfig.json Vedi File

1 
+{
2 
+  "compilerOptions": {
3 
+    "target": "ESNext",
4 
+    "module": "ESNext",
5 
+    "moduleResolution": "bundler",
6 
+    "strict": true,
7 
+    "jsx": "preserve",
8 
+    "baseUrl": ".",
9 
+    "paths": {
10 
+      "@/*": [
11 
+        "src/*"
12 
+      ]
13 
+    }
14 
+  },
15 
+  "include": [
16 
+    "src/**/*.ts",
17 
+    "src/**/*.d.ts",
18 
+    "src/**/*.vue"
19 
+  ]
20 
+}

+ 14
- 0
frontend/vite.config.ts Vedi File

1 
+import { defineConfig } from 'vite'
2 
+import vue from '@vitejs/plugin-vue'
3 
+import path from 'path'
4 
+
5 
+export default defineConfig({
6 
+  plugins: [vue()],
7 
+  resolve: { alias: { '@': path.resolve(__dirname, 'src') } },
8 
+  server: {
9 
+    port: 3000,
10 
+    proxy: {
11 
+      '/api': { target: 'http://localhost:8080', changeOrigin: true }
12 
+    }
13 
+  }
14 
+})

+ 11
- 0
wm-common/src/main/java/com/water/common/core/annotation/DataScope.java Vedi File

1 
+package com.water.common.core.annotation;
2 
+
3 
+import java.lang.annotation.*;
4 
+
5 
+@Target(ElementType.METHOD)
6 
+@Retention(RetentionPolicy.RUNTIME)
7 
+@Documented
8 
+public @interface DataScope {
9 
+    String deptAlias() default "d";
10 
+    String userAlias() default "u";
11 
+}

+ 15
- 0
wm-common/src/main/java/com/water/common/core/config/SwaggerCommonConfig.java Vedi File

1 
+package com.water.common.core.config;
2 
+
3 
+import io.swagger.v3.oas.models.OpenAPI;
4 
+import io.swagger.v3.oas.models.info.Info;
5 
+import org.springframework.context.annotation.Bean;
6 
+import org.springframework.context.annotation.Configuration;
7 
+
8 
+@Configuration
9 
+public class SwaggerCommonConfig {
10 
+    @Bean
11 
+    public OpenAPI commonOpenAPI() {
12 
+        return new OpenAPI().info(new Info().title("智慧水务管理系统 API")
13 
+                .description("精河县供水工程综合管理平台").version("1.0.0"));
14 
+    }
15 
+}

+ 16
- 0
wm-common/src/main/java/com/water/common/core/entity/BaseEntity.java Vedi File

1 
+package com.water.common.core.entity;
2 
+
3 
+import com.baomidou.mybatisplus.annotation.*;
4 
+import lombok.Data;
5 
+import java.time.LocalDateTime;
6 
+
7 
+@Data
8 
+public abstract class BaseEntity {
9 
+    @TableId(type = IdType.AUTO)
10 
+    private Long id;
11 
+    @TableLogic
12 
+    private Integer deleted;
13 
+    private LocalDateTime createdAt;
14 
+    @TableField(fill = FieldFill.INSERT_UPDATE)
15 
+    private LocalDateTime updatedAt;
16 
+}

+ 41
- 0
wm-common/src/main/java/com/water/common/core/storage/MinioService.java Vedi File

1 
+package com.water.common.core.storage;
2 
+
3 
+import io.minio.*;
4 
+import lombok.extern.slf4j.Slf4j;
5 
+import org.springframework.beans.factory.annotation.Value;
6 
+import org.springframework.stereotype.Service;
7 
+import org.springframework.web.multipart.MultipartFile;
8 
+import java.io.InputStream;
9 
+import java.util.UUID;
10 
+
11 
+@Slf4j
12 
+@Service
13 
+public class MinioService {
14 
+    private final MinioClient client;
15 
+    @Value("${minio.bucket:water-management}") private String bucket;
16 
+
17 
+    public MinioService(@Value("${minio.endpoint:http://127.0.0.1:9000}") String endpoint,
18 
+                         @Value("${minio.access-key:minioadmin}") String accessKey,
19 
+                         @Value("${minio.secret-key:minioadmin}") String secretKey) {
20 
+        this.client = MinioClient.builder().endpoint(endpoint).credentials(accessKey, secretKey).build();
21 
+    }
22 
+
23 
+    public String upload(MultipartFile file, String module) throws Exception {
24 
+        String objectName = module + "/" + UUID.randomUUID() + "_" + file.getOriginalFilename();
25 
+        ensureBucket();
26 
+        client.putObject(PutObjectArgs.builder().bucket(bucket).object(objectName)
27 
+                .stream(file.getInputStream(), file.getSize(), -1)
28 
+                .contentType(file.getContentType()).build());
29 
+        return objectName;
30 
+    }
31 
+
32 
+    public InputStream download(String objectName) throws Exception {
33 
+        return client.getObject(GetObjectArgs.builder().bucket(bucket).object(objectName).build());
34 
+    }
35 
+
36 
+    private void ensureBucket() throws Exception {
37 
+        if (!client.bucketExists(BucketExistsArgs.builder().bucket(bucket).build())) {
38 
+            client.makeBucket(MakeBucketArgs.builder().bucket(bucket).build());
39 
+        }
40 
+    }
41 
+}

+ 23
- 0
wm-common/src/main/java/com/water/common/core/util/ExcelUtils.java Vedi File

1 
+package com.water.common.core.util;
2 
+
3 
+import com.alibaba.excel.EasyExcel;
4 
+import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
5 
+import jakarta.servlet.http.HttpServletResponse;
6 
+import java.net.URLEncoder;
7 
+import java.util.List;
8 
+
9 
+public class ExcelUtils {
10 
+    public static <T> void export(HttpServletResponse resp, String fileName, String sheetName, Class<T> clazz, List<T> data) {
11 
+        try {
12 
+            resp.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
13 
+            resp.setCharacterEncoding("utf-8");
14 
+            resp.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8") + ".xlsx");
15 
+            EasyExcel.write(resp.getOutputStream(), clazz)
16 
+                    .sheet(sheetName)
17 
+                    .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
18 
+                    .doWrite(data);
19 
+        } catch (Exception e) {
20 
+            throw new RuntimeException("导出Excel失败", e);
21 
+        }
22 
+    }
23 
+}

+ 10
- 0
wm-common/src/main/java/com/water/common/core/util/IdUtils.java Vedi File

1 
+package com.water.common.core.util;
2 
+
3 
+import cn.hutool.core.lang.Snowflake;
4 
+import cn.hutool.core.util.IdUtil;
5 
+
6 
+public class IdUtils {
7 
+    private static final Snowflake SNOWFLAKE = IdUtil.getSnowflake(1, 1);
8 
+    public static long nextId() { return SNOWFLAKE.nextId(); }
9 
+    public static String nextIdStr() { return String.valueOf(SNOWFLAKE.nextId()); }
10 
+}