datum.java

一个ERP强大系统的源码

/*
 *this file is part of nseer erp
 *Copyright (C)2006-2010 Nseer(Beijing) Technology co.LTD/http://www.nseer.com 
 *
 *This program 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 (at your option) any later version.
 *
 *This program 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.
 *
 *You should have received a copy of the GNU General Public License
 *along with this program; if not, write to the Free Software
 *Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *这个文件是恩信科技ERP软件的组成部分。
 *版权所有（C）2006-2010 北京恩信创业科技有限公司/http://www.nseer.com
 *
 *这一程序是自由软件，你可以遵照自由软件基金会出版的GNU通用公共许可
 *证条款来修改和重新发布这一程序。或者用许可证的第二版，或者（根据你的选
 *择）用任何更新的版本。
 *
 *发布这一程序的目的是希望它有用，但没有任何担保。甚至没有适合特定目
 *的的隐含的担保。更详细的情况请参阅GNU通用公共许可证。
 *你应该已经和程序一起收到一份GNU通用公共许可证的副本。如果还没有，
 *写信给：
 *The Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
 *MA02139, USA
 */
package com.xml.export;

import java.util.*;
import java.sql.*;
import com.xml.export.DataBaseInfo;
//import include.nseer_db.*;
//import com.xml.export.DataStruts;

public class Datum{
		DataBaseInfo dbif = null;
		//nseer_db_backup db = null;
		//DataStruts dss = null;
		//Nseerdb ndb = null;
		//Nseerdb  dbutil= null;
		ResultSetMetaData rsmd = null;
     	ResultSet resultset = null;
		ArrayList ids = new ArrayList();
		ArrayList columnnames = new ArrayList();
		Vector contents = new Vector();
		//Hashtable htable = new Hashtable();
		
		public Datum(String dbname,String tablename,String condition){		
		 	 dbif = new DataBaseInfo(dbname,tablename,condition);
		}
		
		   public ArrayList getColumnName() throws Exception{
		   		try{
		   		   if(dbif.rs==null) throw new Exception("please fill in table name");  
		   		   this.rsmd = dbif.rs.getMetaData();
		   		   for(int i=1 ;i<=rsmd.getColumnCount();i++){
		   		   	    this.columnnames.add(rsmd.getColumnName(i));
		   		   	}}catch(Exception ex){
		   		   	   ex.printStackTrace();
		   		   	   return null;	
		   		   	}		   	     
		   	         return columnnames;		   	     
		   	}
		   public ArrayList getColumnId() throws Exception{
		   		  try {
		   		  	   if(dbif.rs ==null) throw new Exception("please fill in table name");
					   while(dbif.rs.next())
					      ids.add(dbif.rs.getString("id"));
					 }
					 catch (Exception ex) {
					    ex.printStackTrace();
					    return null;
					 }
				    return ids;	
		   	}
		   public Vector getContents() throws Exception{
		   		try {
		   			if(dbif.rs==null) throw new Exception("please fill in table name");
		   			this.rsmd =dbif.rs.getMetaData();
		   			while(dbif.rs.next()){
		   				 for(int j=1;j<=rsmd.getColumnCount();j++){
		   				 	  contents.addElement(dbif.rs.getObject(j));
		   				    }		
		   			} 
				   }
				   catch (Exception ex) {
				   	ex.printStackTrace();
				   	return null;
				   }
				   return contents;
		   }
		  
}