userfile.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.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.comm.Pages;
import com.yhbbs.upload.biz.UpLoadBiz;
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:显示用户所有附件Action</p>
 * <br>跳转到显示用户附件页面
 * <br><b>WebSite: www.yyhweb.com</b>
 * <br><b>CopyRight: yyhweb[由由华网]</b>
 * @author stephen
 * @version YHBBS-2.0
 */
public class UserFile extends Action {
	public ActionForward execute(ActionMapping mapping,ActionForm form,
			  HttpServletRequest request,HttpServletResponse response) {
		ActionMessages errors = new ActionMessages();
		Postion.ChangPost(request,"浏览用户附件列表");
		UserSession us = (UserSession)request.getSession(true).getAttribute(Constants.bbsuser);
		if(us==null){
			errors.add("user.info.no.user",new ActionMessage("user.info.no.user"));
			saveErrors(request,errors);
			return mapping.findForward("Failure");
		}
		String userName = "";
		int upMaxSize = 5000;
		int userId = 0;
		int filesize = 0;
		List filelist = null;
		userName = us.getUsername();
		userId = us.getUserId();
		
		int curPage = ReqUtils.getInt(request,"curPage");
		int pagesize = 20;
		int total = 0;
		String link = "MyFile.htm";
		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;
		
		total = UpLoadBiz.getUserFileCount(userId);
		filesize = UpLoadBiz.getUserFileSize(userId)/1000;
		filelist = UpLoadBiz.getUserFile(userId, start,pagesize);
		Pages pages = new Pages(total, curPage,pagesize,link);
        
        request.setAttribute("start",(start+1));
        request.setAttribute("fsize",filesize);
        request.setAttribute("fleave",(upMaxSize-filesize));
        request.setAttribute("username",userName);
        request.setAttribute("pageInfo",pages.getPageInfo());
        request.setAttribute("flist",filelist);
		return mapping.findForward("Success");
		
	}
}