个人信息管理系统

个人信息管理系统

1. 链接数据库
   package com.student.dbc ;
   import java.sql.* ;
   public class DatabaseConnection {
   private static final String DBDRIVER = “org.gjt.mm.mysql.Driver” ;
   private static final String DBURL = “jdbc:mysql://localhost:3306/java_web?useUnicode=true&characterEncoding=UTF-8” ;
   private static final String DBUSER = “root” ;
   private static final String DBPASSWORD = “root” ;
   private Connection conn = null ;
   public DatabaseConnection() throws Exception{
   try{
   Class.forName(DBDRIVER) ;
   this.conn = DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD) ;
   }catch(Exception e){
   throw e ;
   }
   }
   public Connection getConnection(){
   return this.conn ;
   }
   public void close() throws Exception{
   if(this.conn != null){
   try{
   this.conn.close() ;
   }catch(