dbConnect

package JavaBean; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; public class DbConnect { private static String driverName="com.mysql.jdbc.Driver"; private static String userName="root"; private static String userPwd="5201314"; private static String dbName="students"; public static Connection getDBconnection(){ String url1="jdbc:mysql://localhost/"+dbName; String url2="?user="+userName+"&password="+userPwd; String url3="&useUnicode=true&characterEncoding=GB2312"; String url=url1+url2+url3; try{ Class.forName(driverName); Connection con=DriverManager.getConnection(url); return con; }catch(Exception e){ e.printStackTrace(); } return null; } public static void closeDB(Connection con,PreparedStatement pstm,ResultSet rs){ try{ if(rs!=null)rs.close(); if(pstm!=null)pstm.close(); if(con!=null)con.close(); }catch(SQLException e){ e.printStackTrace(); } } }