showaction.java

struts实现分页功能

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

import java.util.ArrayList;

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.struts.form.ShowForm;
import com.yourcompany.struts.model.ShowBean;
import com.yourcompany.util.Paginate;

/**
 * MyEclipse Struts Creation date: 01-23-2007
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/show" name="showForm" scope="request" validate="true"
 * @struts.action-forward name="show" path="/show.jsp"
 */
public class ShowAction extends Action {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ShowForm showForm = (ShowForm) form;// TODO Auto-generated method stub
		int nowPage = showForm.getCurrentPage();
		String action = showForm.getAction();
		// 全查询
		ArrayList arrayList = new ArrayList();
		ShowBean showBean = new ShowBean();
		arrayList = showBean.seach();
		// 在集合中分页
		ArrayList list = new ArrayList();
		Paginate paginate = new Paginate();
		list = paginate.getList(arrayList, nowPage, action);

		showForm.setList(list);
		showForm.setCurrentPage(paginate.getCurrentPage());
		showForm.setHasNextPage(paginate.isHasNextPage());
		showForm.setHasPreviousPage(paginate.isHasPreviousPage());
		showForm.setTotalPages(paginate.getTotalPages());
		showForm.setTotalRows(paginate.getTotalRows());

		return mapping.findForward("show");
	}
}