pageaction.java

利用struts开发的一个分页源码示例,可以直接导入到myeclipse下.

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.yourcompany.struts.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.yourcompany.bean.ListBean;
import com.yourcompany.struts.form.PageForm;
import com.yourcompany.util.Pager;

/** 
 * MyEclipse Struts
 * Creation date: 04-10-2007
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class PageAction extends Action {
private Pager page;
private List list;
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		PageForm pageForm=(PageForm)form;
	String action=null;
	action=request.getParameter("action");
	if(action==null||action.equals("null")){
		list=new ListBean().findAll();
		page=new Pager(list);
		list=page.getPageList();
		request.setAttribute("list", list);
		request.setAttribute("page", page);
	}else{
		if(action=="firstPage"||action.equals("firstPage")){
			page.getFirstPage();
			list=page.getPageList();
			request.setAttribute("list", list);
			request.setAttribute("page", page);			
		}
		if(action=="nextPage"||action.equals("nextPage")){
			page.getNextPage();
			list=page.getPageList();
			request.setAttribute("list", list);
			request.setAttribute("page", page);		
		}
		if(action=="previousPage"||action.equals("previousPage")){
			page.getPreviousPage();
			list=page.getPageList();
			request.setAttribute("list", list);
			request.setAttribute("page", page);		
			
		}
		if(action=="lastPage"||action.equals("lastPage")){
			page.getLastPage();
			list=page.getPageList();
			request.setAttribute("list", list);
			request.setAttribute("page", page);		
		
		}
		if("goto".equals(action)){
			//一会再说这种情况先把基本的搞定先
			int pages=pageForm.getPages();
			page.setGotoPage(pages);
			list=page.getPageList();
			request.setAttribute("list", list);
			request.setAttribute("page", page);		
		
			
		}
	}
		return mapping.findForward("page");
	}
}