79 lines
1.8 KiB
TypeScript
79 lines
1.8 KiB
TypeScript
import mysql from 'mysql2/promise';
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// 資料庫配置
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const dbConfig = {
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host: process.env.DB_HOST || 'mysql.theaken.com',
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port: parseInt(process.env.DB_PORT || '33306'),
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user: process.env.DB_USER || 'root',
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password: process.env.DB_PASSWORD || 'zh6161168',
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database: process.env.DB_NAME || 'db_AI_scoring',
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charset: 'utf8mb4',
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timezone: '+08:00',
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acquireTimeout: 60000,
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timeout: 60000,
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reconnect: true,
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multipleStatements: true,
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};
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// 建立連接池
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const pool = mysql.createPool({
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...dbConfig,
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waitForConnections: true,
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connectionLimit: 10,
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queueLimit: 0,
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});
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// 資料庫連接函數
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export async function getConnection() {
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try {
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const connection = await pool.getConnection();
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return connection;
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} catch (error) {
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console.error('資料庫連接失敗:', error);
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throw error;
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}
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}
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// 執行查詢函數
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export async function query(sql: string, params?: any[]) {
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try {
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const [rows] = await pool.execute(sql, params);
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return rows;
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} catch (error) {
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console.error('查詢執行失敗:', error);
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throw error;
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}
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}
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// 執行事務函數
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export async function transaction(callback: (connection: mysql.PoolConnection) => Promise<any>) {
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const connection = await pool.getConnection();
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try {
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await connection.beginTransaction();
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const result = await callback(connection);
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await connection.commit();
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return result;
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} catch (error) {
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await connection.rollback();
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throw error;
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} finally {
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connection.release();
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}
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}
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// 測試資料庫連接
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export async function testConnection() {
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try {
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const connection = await getConnection();
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await connection.ping();
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connection.release();
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console.log('✅ 資料庫連接成功');
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return true;
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} catch (error) {
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console.error('❌ 資料庫連接失敗:', error);
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return false;
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}
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}
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export default pool;
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