fix: 修复 EXE 数据库 schema 不匹配导致 500 错误

- ISS 移除 onlyifdoesntexist 确保安装目录 db.sqlite3 始终更新

- .gitignore 忽略所有 sqlite3 文件

- 前端翻页组件和样式更新

.gitignore

@@ -9,7 +9,7 @@ frontend/node_modules/
 frontend/dist/
 
 # Data
-backend/db.sqlite3
+*.sqlite3
 backend/staticfiles/
 
 # Logs

build_installer.bat

@@ -1,4 +1,4 @@
-@echo off
+@echo off
 chcp 65001 >nul
 echo ==========================================
 echo   学校订餐菜单生成器 - 一键打包安装包
@@ -40,6 +40,8 @@ if exist "C:\Program Files (x86)\Inno Setup 6\ISCC.exe" (
     set "ISCC=C:\Program Files\Inno Setup 6\ISCC.exe"
 ) else if exist "C:\Program Files (x86)\Inno Setup 5\ISCC.exe" (
     set "ISCC=C:\Program Files (x86)\Inno Setup 5\ISCC.exe"
+) else if exist "C:\Program Files\Inno Setup 5\ISCC.exe" (
+    set "ISCC=C:\Program Files\Inno Setup 5\ISCC.exe"
 ) else (
     where iscc >nul 2>&1
     if not errorlevel 1 (
@@ -60,6 +62,16 @@ if "%ISCC%"=="" (
 )
 echo 找到 Inno Setup: %ISCC%
 
+echo.
+echo [3.5/4] 验证语言文件...
+for %%I in ("%ISCC%") do set "ISDIR=%%~dpI"
+if not exist "%ISDIR%Languages\ChineseSimplified.isl" (
+    echo.
+    echo 警告: 未找到中文语言文件 ChineseSimplified.isl
+    echo 安装向导将使用英文界面。
+    echo 如需中文界面，请确保 Inno Setup 完整安装。
+)
+
 echo.
 echo [4/4] 编译安装包...
 "%ISCC%" school-meal-setup.iss

frontend/src/App.jsx

@@ -20,7 +20,8 @@ const TYPE_LABELS = { meats: '荤菜', vegs: '素菜', soup: '营养汤', staple
 const TYPE_TO_TAB = { meats: 'meat', vegs: 'veg', soup: 'soup', staple: 'staple' }
 const TYPE_ALL_LABELS = { meat: '荤菜', veg: '素菜', soup: '营养汤', staple: '主食' }
 const DEFAULT_SCHOOL = '学校菜单'
-const MODAL_PAGE_SIZE = 20
+const DEFAULT_PAGE_SIZE = 20
+const PAGE_SIZE_OPTIONS = [10, 20, 50, 100]
 
 /** Compute ISO week Monday/Friday as Date objects */
 const weekDates = (weekNo) => {
@@ -63,7 +64,7 @@ const slotKey = (menu, day, slot, idx) => `${menu}|${day}|${slot}|${idx}`
 /* ============================
    Modern Pagination Component
    ============================ */
-function Pagination({ page, total, pageSize, onChange }) {
+function Pagination({ page, total, pageSize, onPageSizeChange, onChange }) {
   const totalPages = Math.max(1, Math.ceil(total / pageSize))
   const currentPage = Math.min(Math.max(1, page), totalPages)
   if (totalPages <= 1) return null
@@ -149,6 +150,21 @@ function Pagination({ page, total, pageSize, onChange }) {
           />
           页
         </span>
+        {onPageSizeChange && (
+          <span className="pg-size">
+            每页
+            <select
+              className="pg-size-select"
+              value={pageSize}
+              onChange={(e) => { onPageSizeChange(Number(e.target.value)); onChange(1) }}
+            >
+              {PAGE_SIZE_OPTIONS.map(n => (
+                <option key={n} value={n}>{n}</option>
+              ))}
+            </select>
+            条
+          </span>
+        )}
       </div>
     </div>
   )
@@ -158,6 +174,7 @@ function Pagination({ page, total, pageSize, onChange }) {
    FlatDishList — paginated dish grid for modals
    ============================ */
 function FlatDishList({ items, currentId, hover, setHover, onSelect, renderItem }) {
+  const [pageSize, setPageSize] = useState(DEFAULT_PAGE_SIZE)
   const [page, setPage] = useState(1)
 
   // Reset page when items change (e.g. search/filter)
@@ -167,8 +184,8 @@ function FlatDishList({ items, currentId, hover, setHover, onSelect, renderItem
     // Use effect-less pattern: we'll reset via key prop
   }
 
-  const startIdx = (page - 1) * MODAL_PAGE_SIZE
+  const startIdx = (page - 1) * pageSize
-  const pageItems = items.slice(startIdx, startIdx + MODAL_PAGE_SIZE)
+  const pageItems = items.slice(startIdx, startIdx + pageSize)
 
   return (
     <div className="flat-dish-list">
@@ -189,13 +206,14 @@ function FlatDishList({ items, currentId, hover, setHover, onSelect, renderItem
         ))}
         {pageItems.length === 0 && <p className="hint warn">没有匹配的菜品</p>}
       </div>
-      <Pagination page={page} total={items.length} pageSize={MODAL_PAGE_SIZE} onChange={setPage} />
+      <Pagination page={page} total={items.length} pageSize={pageSize} onPageSizeChange={setPageSize} onChange={setPage} />
     </div>
   )
 }
 
 function SwapModal({ editing, menus, dishes, pinyinMap, swapKeyword, swapType, setSwapKeyword, setSwapType, onReplace, onClose }) {
   const [hover, setHover] = useState(null)
+  const [swapPageSize, setSwapPageSize] = useState(DEFAULT_PAGE_SIZE)
   const [swapPage, setSwapPage] = useState(1)
 
   // Reset page on filter/search change
@@ -229,8 +247,8 @@ function SwapModal({ editing, menus, dishes, pinyinMap, swapKeyword, swapType, s
     return result
   }, [swapType, kw, dishes])
 
-  const startIdx = (swapPage - 1) * MODAL_PAGE_SIZE
+  const startIdx = (swapPage - 1) * swapPageSize
-  const pageItems = flatList.slice(startIdx, startIdx + MODAL_PAGE_SIZE)
+  const pageItems = flatList.slice(startIdx, startIdx + swapPageSize)
 
   return (
     <div
@@ -284,7 +302,7 @@ function SwapModal({ editing, menus, dishes, pinyinMap, swapKeyword, swapType, s
               ))}
               {pageItems.length === 0 && <p className="hint warn">没有匹配的菜品</p>}
             </div>
-            <Pagination page={swapPage} total={flatList.length} pageSize={MODAL_PAGE_SIZE} onChange={setSwapPage} />
+            <Pagination page={swapPage} total={flatList.length} pageSize={swapPageSize} onPageSizeChange={setSwapPageSize} onChange={setSwapPage} />
           </div>
         </div>
       </div>
@@ -295,6 +313,7 @@ function SwapModal({ editing, menus, dishes, pinyinMap, swapKeyword, swapType, s
 
 function PickModal({ pick, slots, dishes, pinyinMap, keyword, pickType, setKeyword, setPickType, onChoose, onClose }) {
   const [hover, setHover] = useState(null)
+  const [pickPageSize, setPickPageSize] = useState(DEFAULT_PAGE_SIZE)
   const [pickPage, setPickPage] = useState(1)
 
   // Reset page on filter/search change
@@ -324,8 +343,8 @@ function PickModal({ pick, slots, dishes, pinyinMap, keyword, pickType, setKeywo
     return result
   }, [pickType, kw, dishes])
 
-  const startIdx = (pickPage - 1) * MODAL_PAGE_SIZE
+  const startIdx = (pickPage - 1) * pickPageSize
-  const pageItems = flatList.slice(startIdx, startIdx + MODAL_PAGE_SIZE)
+  const pageItems = flatList.slice(startIdx, startIdx + pickPageSize)
 
   return (
     <div
@@ -381,7 +400,7 @@ function PickModal({ pick, slots, dishes, pinyinMap, keyword, pickType, setKeywo
               ))}
               {pageItems.length === 0 && <p className="hint warn">没有匹配的菜品</p>}
             </div>
-            <Pagination page={pickPage} total={flatList.length} pageSize={MODAL_PAGE_SIZE} onChange={setPickPage} />
+            <Pagination page={pickPage} total={flatList.length} pageSize={pickPageSize} onPageSizeChange={setPickPageSize} onChange={setPickPage} />
           </div>
         </div>
       </div>

frontend/src/index.css

@@ -1,4 +1,4 @@
-/* ============================================
+/* ============================================
    学校订餐菜单生成器 — Modern Design System
    Based on 2025-2026 mainstream web trends
    ============================================ */
@@ -1072,6 +1072,36 @@ table.excel-like.nutri-table td {
   box-shadow: 0 0 0 3px var(--c-accent-light);
 }
 
+/* Page size selector */
+.pg-size {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  margin-left: 10px;
+  font-size: 12px;
+  color: var(--c-text-muted);
+  white-space: nowrap;
+}
+
+.pg-size-select {
+  height: 30px;
+  padding: 0 6px;
+  border: 1.5px solid var(--c-border);
+  border-radius: var(--radius-sm);
+  font-size: 12px;
+  background: var(--c-surface);
+  color: var(--c-text);
+  outline: none;
+  cursor: pointer;
+  transition: border-color 0.18s ease, box-shadow 0.18s ease;
+  font-family: inherit;
+}
+
+.pg-size-select:focus {
+  border-color: var(--c-accent);
+  box-shadow: 0 0 0 3px var(--c-accent-light);
+}
+
 /* Pagination responsive */
 @media (max-width: 600px) {
   .pagination {

frontend/vite.config.js

@@ -1,4 +1,4 @@
-import { defineConfig } from 'vite'
+import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 
 export default defineConfig({
@@ -8,6 +8,8 @@ export default defineConfig({
     port: 5173,
     proxy: {
       '/api': 'http://127.0.0.1:8000',
+      '/admin': 'http://127.0.0.1:8000',
+      '/static': 'http://127.0.0.1:8000',
     },
   },
 })

school-meal-setup.iss

@@ -1,4 +1,4 @@
-; Inno Setup script for 学校订餐菜单生成器
+; Inno Setup script for 学校订餐菜单生成器
 ; Build with: iscc school-meal-setup.iss
 ; Prerequisites: Inno Setup 6.x (https://jrsoftware.org/isinfo.php)
 ;
@@ -11,7 +11,7 @@ AppName=学校订餐菜单生成器
 AppVersion=1.0.0
 AppPublisher=学校食堂管理
 AppPublisherURL=
-DefaultDirName={autopf}\学校订餐菜单生成器
+DefaultDirName={autopf}\SchoolMeal
 DefaultGroupName=学校订餐菜单生成器
 OutputDir=installer
 OutputBaseFilename=学校订餐菜单生成器-安装包
@@ -25,9 +25,18 @@ ArchitecturesAllowed=x64compatible
 ArchitecturesInstallIn64BitMode=x64compatible
 CloseApplications=force
 RestartApplications=no
-DisableProgramGroupPage=yes
 UninstallDisplayIcon={app}\app.ico
-LicenseFile=
+VersionInfoVersion=1.0.0.0
+VersionInfoCompany=学校食堂管理
+VersionInfoDescription=学校订餐菜单生成器安装程序
+VersionInfoProductName=学校订餐菜单生成器
+VersionInfoProductVersion=1.0.0
+MinVersion=10.0.17763
+SetupLogging=yes
+UninstallLogMode=append
+UsePreviousAppDir=no
+UsePreviousGroup=no
+UsePreviousSetupType=no
 
 [Languages]
 Name: "chinesesimplified"; MessagesFile: "compiler:Languages\ChineseSimplified.isl"
@@ -35,6 +44,7 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
 
 [Tasks]
 Name: "desktopicon"; Description: "创建桌面快捷方式"; GroupDescription: "附加选项:"; Flags: checkedonce
+Name: "startupicon"; Description: "开机自动启动"; GroupDescription: "附加选项:"; Flags: unchecked
 
 [Files]
 ; Main executable
@@ -47,9 +57,10 @@ Source: "dist\school-meal\_internal\*"; DestDir: "{app}\_internal"; Flags: ignor
 Source: "app.ico"; DestDir: "{app}"; Flags: ignoreversion
 
 [Icons]
-Name: "{group}\学校订餐菜单生成器"; Filename: "{app}\school-meal.exe"; IconFilename: "{app}\app.ico"
+Name: "{group}\学校订餐菜单生成器"; Filename: "{app}\school-meal.exe"; WorkingDir: "{app}"; IconFilename: "{app}\app.ico"
-Name: "{group}\卸载 学校订餐菜单生成器"; Filename: "{uninstallexe}"; IconFilename: "{app}\app.ico"
+Name: "{group}\卸载 学校订餐菜单生成器"; Filename: "{uninstallexe}"; WorkingDir: "{app}"; IconFilename: "{app}\app.ico"
-Name: "{autodesktop}\学校订餐菜单生成器"; Filename: "{app}\school-meal.exe"; Tasks: desktopicon; IconFilename: "{app}\app.ico"
+Name: "{autodesktop}\学校订餐菜单生成器"; Filename: "{app}\school-meal.exe"; WorkingDir: "{app}"; Tasks: desktopicon; IconFilename: "{app}\app.ico"
+Name: "{userstartup}\学校订餐菜单生成器"; Filename: "{app}\school-meal.exe"; WorkingDir: "{app}"; Tasks: startupicon; IconFilename: "{app}\app.ico"
 
 [Run]
 Filename: "{app}\school-meal.exe"; Description: "启动 菜单生成器"; Flags: nowait postinstall skipifsilent
@@ -79,3 +90,8 @@ begin
   Result := '';
   Exec('taskkill', '/F /IM school-meal.exe', '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
 end;
+
+function ShouldSkipPage(PageID: Integer): Boolean;
+begin
+  Result := False;
+end;