数据库连接工具类 数据库连接工具类——仅仅获得连接对象 ConnDB.java

package com.util;

import java.sql.Connection;

import java.sql.DriverManager;

/**

* 数据库连接工具类——仅仅获得连接对象

*

*/

public class ConnDB {

private static Connection conn = null;

private static final String DRIVER_NAME = "com.mysql.jdbc.Driver";

private static final String URL = "jdbc:mysql://localhost:3306/axt?useUnicode=true&characterEncoding=UTF-8";

private static final String USER_NAME = "root";

private static final String PASSWORD = "root";

public static Connection getConn(){

try {

Class.forName(DRIVER_NAME);

conn = DriverManager.getConnection(URL, USER_NAME, PASSWORD);

} catch (Exception e) {

e.printStackTrace();

}

return conn;

}

}