const oracledb = require('oracledb');

// 设置数据库连接参数
const config = {
    user: 'system',
    password: '452131wW',
    connectString : "192.168.3.29:1521/orcl" // 或者直接使用 'hostname:port/sid'
};

async function run() {
    let connection;

    try {
        // 获取数据库连接
        connection = await oracledb.getConnection(config);
        console.log('Connection established.');

        // 执行查询
        const result = await connection.execute('SELECT * FROM TYPE');
        console.log(result.rows); // 输出查询结果
    } catch (err) {
        console.error(err);
    } finally {
        if (connection) {
            // 关闭数据库连接
            try {
                await connection.close();
                console.log('Connection closed.');
            } catch (err) {
                console.error(err);
            }
        }
    }
}