feat: support product information PostgreSQL config

backend/package-lock.json

@@ -28,6 +28,7 @@
         "multer": "^2.1.1",
         "mysql2": "^3.6.5",
         "node-cron": "^3.0.3",
+        "pg": "8.17.2",
         "playwright": "^1.60.0",
         "sharp": "^0.33.5",
         "uuid": "^9.0.1",

backend/package.json

@@ -31,6 +31,7 @@
     "multer": "^2.1.1",
     "mysql2": "^3.6.5",
     "node-cron": "^3.0.3",
+    "pg": "8.17.2",
     "playwright": "^1.60.0",
     "sharp": "^0.33.5",
     "uuid": "^9.0.1",

backend/src/api/admin.js

@@ -1479,6 +1479,13 @@ function getDefaultPortByDriver(driver) {
   return 3306;
 }
 
+function normalizeDatabaseDriver(driver) {
+  const normalized = String(driver || '').trim().toLowerCase();
+  if (normalized === 'postgresql' || normalized === 'postgres') return 'postgres';
+  if (normalized === 'mssql') return 'mssql';
+  return 'mysql';
+}
+
 async function getStoredDatabaseConfig(configName) {
   const normalizedName = normalizeDatabaseConfigName(configName);
   let configs = await database.local.query(
@@ -1617,7 +1624,9 @@ router.put('/database', async (req, res) => {
     }
 
     // 根据数据库类型设置默认端口
-    const resolvedDriver = driver || existingConfig?.driver || (useEnvConfig ? envSummary.driver : 'mysql');
+    const resolvedDriver = normalizeDatabaseDriver(
+      driver || existingConfig?.driver || (useEnvConfig ? envSummary.driver : 'mysql')
+    );
     const defaultPort = getDefaultPortByDriver(resolvedDriver);
     
     const configData = {
@@ -1711,6 +1720,8 @@ router.post('/database/test', async (req, res) => {
       return res.status(400).json({ success: false, error: '请完整填写数据库连接信息' });
     }
     
+    driver = normalizeDatabaseDriver(driver);
+
     if (driver === 'mssql') {
       // SQL Server 连接测试
       const sql = require('mssql');
@@ -1730,6 +1741,26 @@ router.post('/database/test', async (req, res) => {
       const pool = await sql.connect(config);
       await pool.request().query('SELECT 1 as test');
       await pool.close();
+    } else if (driver === 'postgres') {
+      const { Client } = require('pg');
+      const client = new Client({
+        host,
+        port: port || 5432,
+        database: dbName,
+        user: username,
+        password,
+        ssl: ssl ? { rejectUnauthorized: false } : false,
+        connectionTimeoutMillis: 10000,
+        query_timeout: 10000,
+        statement_timeout: 10000,
+      });
+
+      try {
+        await client.connect();
+        await client.query('SELECT 1 AS test');
+      } finally {
+        await client.end().catch(() => {});
+      }
     } else {
       // MySQL 连接测试
       const mysql = require('mysql2/promise');

frontend/src/pages/Settings/DatabaseSettings.jsx

@@ -41,11 +41,13 @@ const { Text } = Typography;
 const DRIVER_OPTIONS = [
   { value: 'mysql', label: 'MySQL / MariaDB' },
   { value: 'mssql', label: 'SQL Server (MSSQL)' },
+  { value: 'postgres', label: 'PostgreSQL' },
 ];
 
 const DEFAULT_PORTS = {
   mysql: 3306,
   mssql: 1433,
+  postgres: 5432,
 };
 
 const CORE_CONFIG_NAMES = new Set([
@@ -59,6 +61,7 @@ const CONFIG_LABELS = {
   cloud_database_public: '公网业务数据库',
   planning_database: '企划数据库',
   jiansun_database: '简尚业务数据库',
+  product_information_database: '产品资料系统数据库',
 };
 
 const DatabaseSettings = () => {