storeplacebean.java

利用JavaBean和JSP实现学校图书馆管理系统。分5个模块：图书查询、借阅管理、图书管理、借阅证管理和读者规则管理。

/**********************************************************
Copyright (C),2004-8-12, Beijing  USTB.
All rights reserved.
Filename: StorePlaceBean.java
Author: 邹晨
Version 1.0
Date:2004-8-12
Description:书库管理
Other:
Variable List:

Function List:
History:

 
***********************************************************/
package kjb2.library.bean;

import java.text.*;
import java.util.*;
import java.lang.*;
import java.io.*;
import java.sql.*;
import kjb.main.*;

public class StorePlaceBean extends ParentBean
{
	private String id = "-1";

	//设置馆ID
	public void setID(String i)
	{
		id = i;
	}

	//取得所有信息内容
	public Vector getData() 
	{
		String sql = "";
		sql = "select * from KJB2_KJXX_STOREPLACE order by STOREID";
		return searchData(sql);
	}
	
	//分页取得所有信息
	public Vector getPageData(int page)
	{
		String sql ="";
		sql="select * from KJB2_KJXX_STOREPLACE";
		return  getOnePage(sql,page,20);
	}

	//根据某库取得此库的详细信息
	public Hashtable getOneData(String id)
	{
		String sql="";
		sql = "select * from KJB2_KJXX_STOREPLACE where STOREID="+id+"";
		return searchOneData(sql);
	}

	//新增库
	public int addPlace(Hashtable hash)
	{
		int intID = makeID("KJB2_KJXX_STOREPLACE","STOREID","","",true);
		String strMC = ds.toString((String)hash.get("MC"));
		String strWZ = ds.toString((String)hash.get("WZ"));
		String strFZR = ds.toString((String)hash.get("FZR"));
		String strSM = ds.toString((String)hash.get("SM"));

		Vector vect = new Vector();
		vect.add("KJB2_KJXX_STOREPLACE");
		vect.add(addVector("STOREID",String.valueOf(intID),"NUM"));
		vect.add(addVector("MC",strMC,"CHAR"));
		vect.add(addVector("WZ",strWZ,"CHAR"));
		vect.add(addVector("FZR",strFZR,"CHAR"));
		vect.add(addVector("SM",strSM,"CHAR"));

		return insertRecord(vect);
	}


	//修改库信息
	public int modPlace(Hashtable hash)
	{
		String strID = ds.toString((String)hash.get("STOREID"));
		String strMC = ds.toString((String)hash.get("MC"));
		String strWZ = ds.toString((String)hash.get("WZ"));
		String strFZR = ds.toString((String)hash.get("FZR"));
		String strSM = ds.toString((String)hash.get("SM"));

		Vector vect = new Vector();
		vect.add("KJB2_KJXX_STOREPLACE");
		vect.add(addVector("MC",strMC,"CHAR"));
		vect.add(addVector("WZ",strWZ,"CHAR"));
		vect.add(addVector("FZR",strFZR,"CHAR"));
		vect.add(addVector("SM",strSM,"CHAR"));
		vect.add("STOREID = "+strID);

		return updateRecord(vect);
	}


	//删除库信息
	public int delPlace(String id)
	{
		String sql="";
		sql="delete from KJB2_KJXX_STOREPLACE where STOREID="+id;
		return deleteRecord(sql);
	}

	//判断某库中是否有书
	public boolean isHaveBook(String id)
	{
		String sql="";
		sql="select * from KJB2_KJXX_STORE where STOREID="+id;
		Vector vect =(Vector)searchData(sql);
		if(vect.isEmpty())
			return false;
		else
			return true;
	}
	
	//取得所有书库得名称的字符串组合";"
	public String getAllPlaceName()
	{
		String sql="";
		String strNames="";
		sql="select  MC from  KJB2_KJXX_STOREPLACE";
		Vector vect =(Vector)searchData(sql);
		int n=vect.size();
		for(int i=0;i<n;i++)
		{
			Hashtable hash=(Hashtable)vect.get(i);
			String strName = ds.toString((String)hash.get("MC"));
			if(strNames.equals(""))
				strNames=strName;
			else
				strNames+=";"+strName;
		}
		return strNames;
	}

	//取得所有有书籍的书库ID的组合";"
	public String getAllPlaceID()
	{
		String sql="";
		String strIDs="";
		sql="select distinct STOREID from KJB2_KJXX_STORE";
		Vector vect =(Vector)searchData(sql);
		int n=vect.size();
		for(int i=0;i<n;i++)
		{
			Hashtable hash=(Hashtable)vect.get(i);
			String strID = ds.toString((String)hash.get("STOREID"));
			if(strIDs.equals(""))
				strIDs=strID;
			else
				strIDs+=";"+strID;
		}
		return strIDs;
	}


	//根据书库ID的组合取得书库名称的组合,sp为ID组合的分割符
	public String setIDtoName(String ids,String sp)
	{
		String strNames="";
		String strIDteps[]=ids.split(sp);
		int numTep=strIDteps.length;
		for(int i=0;i<numTep;i++)
		{
			String strName=ds.toString((String)toName("KJB2_KJXX_STOREPLACE","STOREID","MC",strIDteps[i]));
			if(strNames.equals(""))
				strNames=strName;
			else
				strNames+=","+strName;
		}
		if(strNames.equals(""))
			strNames="(无)";
		return strNames;
	}


	//查找所有的统一函数
	private Vector searchData(String sql) 
	{
		Vector vect = new Vector();
		ResultSet rs = selectRecord(sql);

		//取得列数和列名
		Statement stmt = null;
		try{
			ResultSetMetaData rsmd = rs.getMetaData();
			int cols = rsmd.getColumnCount();
			while(rs.next())
			{	
				Hashtable hash = new Hashtable();
				for(int i=1;i<=cols;i++)
				{
					String field = ds.toString(rsmd.getColumnName(i));
					String value = ds.toString(rs.getString(i));
					hash.put(field,value);
				}
				vect.add(hash);
			}
		}catch(Exception e){System.out.println("运行时出错："+e);}
		finally{
			if(rs!=null)try{ stmt = rs.getStatement(); rs.close();}catch(Exception e){System.out.println("关闭记录集rs时出错"+e);}
			if(stmt!=null) try{stmt.close();}catch(Exception e){System.out.println("关闭声明时statement出错"+e);}		
		}
		return vect;	
	}

	//查找一条记录统一函数
	private Hashtable searchOneData(String sql) 
	{
		Hashtable hash = new Hashtable();
		ResultSet rs = selectRecord(sql);

		Statement stmt = null;
		try{
			//取得列数和列名
			ResultSetMetaData rsmd = rs.getMetaData();
			int cols = rsmd.getColumnCount();
			if(rs.next())
			{	
				for(int i=1;i<=cols;i++)
				{
					String field = ds.toString(rsmd.getColumnName(i));
					String value = ds.toString(rs.getString(i));
					hash.put(field,value);
				}
			}
		}catch(Exception e){System.out.println("运行时出错："+e);}
		finally{
			if(rs!=null)try{ stmt = rs.getStatement(); rs.close();}catch(Exception e){System.out.println("关闭记录集rs时出错"+e);}
			if(stmt!=null) try{stmt.close();}catch(Exception e){System.out.println("关闭声明时statement出错"+e);}		
		}
		return hash;
	}	
}