js|程序|分页//本程序使用了一个类反射的类，可以自动将查询出来的值填充到值对象里。
//这个类可以参见ibm的文章：使用类反射机制简化struts的开发.

package com.lyjWeb.wyhn.common;


import java.sql.*;
import com.lyjWeb.common.*;
import java.util.*;

public class Fenye {

private Connection con=null;
private String sql="";
private String page="1";// 当前页
private int i_page=1;//当前页
private int i_page_count=10;//每页显示条数
private String nextpage,prepage,sumpage,sumcount;

private String sql_select,sql_from,sql_where,sql_order;
private String sql_pre="";
private String sql_count=""; //count(*)语句
private ResultSet rst=null;
private PreparedStatement stm=null;

private Collection result_c=null;

private String s_null="无";

///////////////////////////输入值///////////////////////////////
public void setConnection(Connection con)
{
this.con=con;
}

public void setSql(String sql_select,String sql_from,String sql_where,String sql_order)
{
//this.sql=sql;
this.sql_select=sql_select;
this.sql_from=sql_from;
this.sql_where=sql_where;
this.sql_order=sql_order;
this.sql_count="select count(*) " + sql_from + " " + sql_where;
this.sql=sql_select + " " + sql_from + " " + sql_where + " " + sql_order;
}

public void setStm(PreparedStatement stm)
{
this.stm=stm;
}

public void setPage(String p)
{
if(p==null)
{
this.page="1";
this.i_page=1;
}
else
{
p=p.trim();
if(p.equals("")) p="1";
this.page=p;
this.i_page=Integer.parseInt(this.page);
}

}

public void setPageCount(int pcount)
{
this.i_page_count=pcount;
}

public void setSqlPre(String sqlpre)
{
this.sql_pre=sqlpre;
}

public void setS_null(String s_null)
{
this.s_null=s_null;
}
//////////////////////////////////////返回值///////////////////////////////////////////
public ResultSet getRst()
{
return rst;
}

public String getPage()
{
return page;
}

public String getNextPage()
{
return nextpage;
}

public String getPrePage()
{
return prepage;
}

public String getSumPage()
{
return sumpage;
}

public String getCount()
{
return sumcount;
}

public Collection getCollection()
{
return result_c;
}

////////////////////////////////////////操 作///////////////////////////////////////////////
private String b_string,f_string;
private String comsql;

private void CountPage() throws Exception
{
//try{
PreparedStatement stm1=con.prepareStatement(sql_count);
ResultSet rst_count=stm1.executeQuery();
rst_count.next();
int i_sum=rst_count.getInt(1);

rst_count.close();
rst_count=null;
stm1.close();
stm1=null;


this.sumcount=String.valueOf(i_sum);

int page_all=0;
if (i_sum % i_page_count==0)
{
page_all=i_sum / i_page_count;
}
else{
page_all=i_sum / i_page_count+1;
}

sumpage=String.valueOf(page_all);

if(i_page>page_all)
{
i_page=page_all;
page=String.valueOf(i_page);
}else if(i_page<1)
{
i_page=1;
page=String.valueOf(i_page);
}

if(i_page==page_all)
nextpage=String.valueOf(i_page) ;
else
nextpage=String.valueOf(i_page+1) ;

if(i_page==1)
prepage="1";
else
prepage=String.valueOf(i_page-1);


int f_number=i_page * i_page_count;
int b_number=f_number-i_page_count+1;
b_string=String.valueOf(b_number);
f_string=String.valueOf(f_number);

/