registerdao.java

用java实现的一个论坛,可以供大家参考

/*******************************************************************\
*                                                                   *
*			   LightningBoard			    *
*                                                                   *
*          http://sourceforge.net/projects/lightningboard/          *
*			                                            *
*	            Copyright (c) 2002 Xiaobo Liu	            *
*                                                                   *
*********************************************************************
*                        LICENSE INFORMATION                        *
*                                                                   *
*  LightningBoard is free software; you can redistribute it and/or  *
*  modify it under the terms of the GNU General Public License as   *
*  published by the Free Software Foundation; either version 2 of   *
*  the License, or any later version.                               *
*                                                                   *
*  We don't charge anything for the use of LightningBoard, we only  *
*  require you to keep the copyright present on your site and in    *
*  the source files.                                                *
*                                                                   *
*  LightningBoard is distributed in the hope that it will be useful,*
*  but without any warranty; without even the implied warranty of   *
*  merchantability or fitness for a particular purpose. See the GNU *
*  General Public License for more details.                         *
*                                                                   *
\*******************************************************************/

package liuxiaobo.lb.dao;

import java.sql.*;
import liuxiaobo.db.*;
import liuxiaobo.util.*;
import liuxiaobo.lb.*;
import liuxiaobo.lb.bean.*;

public class RegisterDAO  {
  private DBConnectionManager dbcm = DBConnectionManager.getInstance();

  public int execute(String u_name,String u_password,String u_email,String u_address,String u_sign,String u_lastip)throws ActionException{
    Connection connection=null;
    try {
      connection=dbcm.getConnection();
      DBAccess dba=new DBAccess(connection);
      String sql="SELECT 1 from user WHERE u_name='"+u_name+"'";
      ResultSet rs=dba.openSelect(sql);
      if(rs.next()){
        return 0;
       }
      rs.close();
      dba.closeSelect();
      CommonDAO idGen=new CommonDAO();
      int u_id=idGen.getUserID(dba);
      String u_regtime=DateTimeUtil.getDateTime();
      sql="INSERT INTO user (u_id,u_name,u_password,u_email,u_regtime,u_post,u_address,u_sign,u_lasttime,u_lastip) VALUES ("
         +u_id+",'"+ u_name+ "','"+ u_password+ "','"+ u_email+ "','"+ u_regtime
         + "',0,'"+ u_address+ "','"+u_sign+ "','"+ u_regtime+"','"+u_lastip+"')";
      dba.runSql(sql);
      return u_id;
    } catch (Exception ex) {
      throw new ActionException(ex);
    }finally{
      try {
        dbcm.freeConnection(connection);
      } catch (SQLException ex) {
        //
      }
    }
  }
}