userarticle.java

一个不错的bbs论坛系统．对初学者很有帮助

package com.yhbbs.user.action;

import java.util.HashMap;
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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.yhbbs.article.biz.ArticleBiz;
import com.yhbbs.comm.Pages;
import com.yhbbs.user.biz.UserBiz;
import com.yhbbs.user.itface.bean.UserSession;
import com.yhbbs.user.online.Postion;
import com.yhbbs.utils.Constants;
import com.yhbbs.utils.ReqUtils;

/**
 * <p>Title:显示用户所有文章Action</p>
 * <br>跳转到显示用户文章页面
 * <br><b>WebSite: www.yyhweb.com</b>
 * <br><b>CopyRight: yyhweb[由由华网]</b>
 * @author stephen
 * @version YHBBS-2.0
 */
public class UserArticle extends Action {
	public ActionForward execute(ActionMapping mapping,ActionForm form,
			  HttpServletRequest request,HttpServletResponse response) {
		ActionMessages errors = new ActionMessages();
		Postion.ChangPost(request,"浏览用户文章列表");
		int userId = ReqUtils.getInt(request,"uId");
		String action = ReqUtils.getString(request, "a");
		String userName = "";
		if(action!=null&&(action.equals("my")||action.equals("replay"))){
			UserSession us = (UserSession)request.getSession(true).getAttribute(Constants.bbsuser);
			if(us!=null){
				userName = us.getUsername();
				userId = us.getUserId();
			}
		}else{
			userName = UserBiz.getUserName(userId);
		}
		
		if(userName==null || userName.length()<1){
			errors.add("user.info.no.user",new ActionMessage("user.info.no.user"));
			saveErrors(request,errors);
			return mapping.findForward("Failure");
		}
		List artlist = null;
		int curPage = ReqUtils.getInt(request,"curPage");
		int pagesize = 20;
		int total = 0;
		String link = "";
		int start=0;
		if(curPage>1)      // 如果不是第一页，则从该页的第一条开始
		 		start = (curPage-1)*pagesize;
		
		HashMap<String, Integer> artpage = new HashMap<String, Integer>();
        artpage.put("userid",userId);
        artpage.put("start",start);
        artpage.put("end",pagesize);
        
		if(action.equals("replay")){
			total = ArticleBiz.getUserArtCount(userId,1);
			link = "UserArt.htm?action=replay&uId="+userId;
			artlist = ArticleBiz.getUserArt(artpage,1);
			request.setAttribute("replay","replay");//jsp页面判断
		}else{
			total = ArticleBiz.getUserArtCount(userId,0);
			link = "UserArt.htm?uId="+userId;
			artlist = ArticleBiz.getUserArt(artpage,0);
		}
		Pages pages = new Pages(total, curPage,pagesize,link);
        
        request.setAttribute("start",(start+1));
        request.setAttribute("username",userName);
        request.setAttribute("pageInfo",pages.getPageInfo());
        request.setAttribute("artlist",artlist);
		return mapping.findForward("Success");
		
	}
}