querynewsaction.java

这是一个上传下载的原代码

package com.model.action;

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

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

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.model.entity.UserInfo;
import com.model.form.QueryNewsForm;
import com.model.logic.ClientLogic;

public class QueryNewsAction extends Action{
	public ClientLogic clientLogic;
	public ClientLogic getClientLogic() {
		return clientLogic;
	}
	public void setClientLogic(ClientLogic clientLogic) {
		this.clientLogic = clientLogic;
	}
	
	public ActionForward execute(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		QueryNewsForm newsForm = (QueryNewsForm)form;
		HttpSession session = request.getSession(true);
		UserInfo user = (UserInfo)session.getAttribute("userInfo");
		
		
		if(user != null){
			Map news = new HashMap();
			
			String pageNum = (String)request.getParameter("pageNum");
			String pageSize = (String)request.getParameter("pageSize");
			if(pageNum != null || pageSize != null){
				news = this.getClientLogic().queryNewsInfo(newsForm,Integer.valueOf(pageNum).intValue(),Integer.valueOf(pageSize).intValue(),user.getRoleId());
			}else{
				news = this.getClientLogic().queryNewsInfo(newsForm,0,20,user.getRoleId());
			}
			news.put("pageNum", (pageNum == null)?0:Integer.valueOf(pageNum).intValue());
			request.setAttribute("queryNews", news);
			return mapping.findForward("ok");
		}else{
			request.setAttribute("exit", "yes");
			return mapping.findForward("no"); 
		}
	}

}