JSP连接数据库Demo

import java.sql.*;

public class DataBase {
 public   Connection conn;
 public   Statement  stmt;
 public   ResultSet  rs=null;
 public   String sqlStr="";
 public  DataBase()
 {
  this.connect(); 
  
 }

 public boolean connect(){
       try{
         Class.forName("org.gjt.mm.mysql.Driver").newInstance();
         String url ="jdbc:mysql://localhost/BookStore?user=root&password=1&useUnicode=true&characterEncoding=utf-8";
         conn=DriverManager.getConnection(url);
         stmt = conn.createStatement ();
        }catch(Exception ee){
         System.out.println("connect db error:"+ee.getMessage());
         return false;
        }
       return true;
     }
  public static void main(String[] args) {
      try{
             DataBase db = new DataBase();
             db.connect();
           }catch(Exception e){
             e.printStackTrace();
           }
         }
 }