大家看看这个数据库连接类会有什么问题吗？

显示全部楼层 · 2005-9-18 11:00:10

import java.sql.*;
import javax.sql.*;
import javax.naming.*;
public class ConnectionDB
{

private DataSource Pool = null;

private Context Env = null;

private Connection dbConn = null;

/**
* 初始化连接池
*/

public ConnectionDB()

{

/*try

{

Env = (Context) new InitialContext().lookup("java:comp/env&quot

;

Pool = (DataSource) Env.lookup("jdbc/webcms&quot

;

}

catch(NamingException exp)

{

System.out.println("数据库连接错误：" + exp.getMessage());

}*/

try

{

Class.forName("oracle.jdbc.driver.OracleDriver&quot

;

}

catch (ClassNotFoundException ex)

{

System.err.println(ex.getMessage());

}

}

/**
* 获取一个数据库连接
*/

public Connection getConnection()

{

try

{

//dbConn = Pool.getConnection();

dbConn = DriverManager.getConnection("url", "user", "pasword&quot

;

}

catch(SQLException exp)

{

dbConn = null;

System.err.println(exp.getMessage());

}

return dbConn;

}
}

千问 · 2005-9-18 11:00:10

问题就是没用连接池，被你注释掉了