intoviewhelp.java

用ajax在ssh框架下发挥

package com.news.struts.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import com.news.page.Page;
import com.news.page.PageHelper;
import com.news.service.IintovVewService;
import com.news.struts.form.IntoViewForm;

public class IntoViewHelp {
		public void  queryHelp(HttpServletRequest request,String strHql,String strHql2,IintovVewService intoView,IntoViewForm intoViewForm){
			/**
			 * 获取参数信息
			 */
			int perPage = 10;
			String contextPath = request.getContextPath();
			int cPage = 1;
			String strPage = request.getParameter("page");
			if(strPage!=null && !strPage.equals("")){
				cPage = Integer.parseInt(strPage);
			}
			PageHelper pageHelper = new PageHelper(request);
			perPage = pageHelper.doCustomPerPage(perPage);
			Page page = new Page();
			
			/**
			 * 设置分页参数
			 */
			page.setPerPage(perPage);
			page.setPage(cPage);
			page.setHql(strHql);
			page.setTotal(intoView.getTotal(strHql2+strHql,intoViewForm));
			page.setParam("typeid="+intoViewForm.getTypeid()+"&fun=query");
			page.setContextPath(contextPath);
			page.setUrl(request.getServletPath());
			page.setStartRs((cPage - 1) * perPage);

			/**
			 * 获取单页数据集
			 */
			List newsList = intoView.getList(page,intoViewForm);	
			intoViewForm.setIntolist(newsList);
			String strPageBreak = pageHelper.getPageBreakStr(page);
			intoViewForm.setStrPageBreak(strPageBreak);
		}
}