annceaction.java

一个不错的bbs论坛系统．对初学者很有帮助

package com.yhbbs.bbs.action;

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.bbs.biz.AnnounceBiz;
import com.yhbbs.user.itface.bean.UserSession;
import com.yhbbs.utils.Constants;
import com.yhbbs.utils.ReqUtils;
/**
 * <p>Title:论坛公告浏览和删除公用的Action</p>
 * <li> 根据action判断用户操作是浏览论坛公告还是删除论坛公告
 * <li>	删除公告前先判断用户是否有此权限，只有管理员和版主才有此权力<br>
 * <br><b>WebSite: www.yyhweb.com</b>
 * <br><b>CopyRight: yhbbs[永恒论坛]</b>
 * @author stephen
 * @version YH-1.0
 */
public class AnnceAction extends Action {
	public ActionForward execute(ActionMapping mapping,ActionForm form,
			  HttpServletRequest request,HttpServletResponse response){
		ActionMessages errors = new ActionMessages();
		int forumId = ReqUtils.getInt(request,"fId");
    	int anId = ReqUtils.getInt(request,"anId");
   	    String action = ReqUtils.getString(request,"action");
   	    request.setAttribute("fId",forumId);
   	    request.setAttribute("action",action);
   	    
   	   if(action.equals("an")){ //	浏览公告 
    		return mapping.findForward("Manage");
    	}
   	   	//以下操作需要用户登录
	   UserSession bbsuser = (UserSession) request.getSession(true).getAttribute(Constants.bbsuser);
	   if(bbsuser!=null && bbsuser.getUsertype()>3){
		  if(action.equals("delete")){
    		AnnounceBiz.deleteAnnce(anId);
    	    request.setAttribute("fId",forumId);
    		return mapping.findForward("Success");
	   	  }else	if(action.equals("add")||action.equals("edit")){
	   		  		request.setAttribute("anId",anId);
	   		  		return mapping.findForward("Manage");
	   		  	}else{
    	   		  	errors.add("announce.manage.error",new ActionMessage("announce.manage.error"));
					saveErrors(request,errors);
					return mapping.findForward("Failure");
	   		  	}
	   }else{
		errors.add("announce.no.user.error",new ActionMessage("announce.no.user.error"));
		saveErrors(request,errors);
		return mapping.findForward("Failure");
	   }
	}
}