java数据库封装类

经典java数据库封装类,packagecom.bjsxt.shopping.util;importjava.sql.*;publicclassDB{publicstaticConnectiongetConn(){Connectionconn=null;try{Class.forName("com.mysql.jdbc.Driver");conn=DriverManager.getConnection("jdbc:mysql://localhost/shopping?user=root&password=root");}catch(Cl