pagination.java

机房运营维护系统 java+oracle9i 使用struts 分用户权限 完成用户对机房信息的增删改查等功能

package org.web.page;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Pagination implements IPagination{

	public Map<String,Object> invoke(List list ,String cur ) {
		int allrows=0;
	    allrows = list.size();
	    
		int currow = 0;
		int curpage = 1;
		int prepage = 3;
		int allpages = 0;
	
		if(allrows%prepage==0){
			allpages = allrows/prepage;
		}else{
			allpages = allrows/prepage+1;
		}
	   
	    if(cur!=null){
	    	curpage = Integer.parseInt(cur);
	    }
	    currow = (curpage-1)*prepage;
	    if(curpage==allpages&&allpages*prepage>allrows){
	    	prepage=allrows%prepage;
	    }
		if(allpages==0){
			curpage=0;
		}
		Map<String,Object> map = new HashMap<String, Object>();
		map.put("allpages", allpages);
		map.put("currow", currow);
		map.put("curpage", curpage);
		map.put("prepage", prepage);
		map.put("list", list);
		
		return map;
	}

}