java连接mysql封装类

package db;import java.sql.DriverManager;import java.sql.SQLException;import com.mysql.jdbc.Connection;public class DBConnection {private  String dbDriver="com.mysql.jdbc.Driver";private String dbUrl="jdbc:mysql://localhost:3306/db_student?useUnicode=true&characterEncoding=GB2312";private String dbUser = "root";private String dbPwd = "123456";public Connection getConn(){Connection conn=null;try {Class.forName(dbDriver);} catch (ClassNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();}try {conn=(Connection) DriverManager.getConnection(dbUrl, dbUser, dbPwd);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}return conn;}}