分页代码PageBean

package com.jspdev.ch13;
import java.util.Vector;
public class PageBean
{
 public int curPage ; //当前是第几页
 public int maxPage ; //一共有多少页
 public int maxRowCount ; //一共有多少行
 public int rowsPerPage=5 ;//每页多少行
 public java.util.Vector data;
 public PageBean()
 {
 }
 public void countMaxPage() {   //根据总行数计算总页数 
    if (this.maxRowCount % this.rowsPerPage==0){
       this.maxPage = this.maxRowCount/this.rowsPerPage;
    }else{
       this.maxPage = this.maxRowCount/this.rowsPerPage + 1;       
        }
    }
    public Vector getResult()
    {
     return this.data;
    }
   
    public PageBean(ContactBean contact)throws Exception
    {
      this.maxRowCount = contact.getAvailableCount();  //得到总行数
      this.data    = contact.getResult();          //得到要显示于本页的数据
      this.countMaxPage();  
    }  
}                   //计算总页数