71 lines
1.6 KiB
TypeScript
71 lines
1.6 KiB
TypeScript
import mysql from 'mysql2/promise';
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import { dbConfig } from './config';
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// 建立連接池
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const pool = mysql.createPool({
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host: dbConfig.host,
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port: dbConfig.port,
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user: dbConfig.user,
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password: dbConfig.password,
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database: dbConfig.database,
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charset: dbConfig.charset,
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timezone: dbConfig.timezone,
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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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