adminaction.java

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package cfq.struts.action;

import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import cfq.business.dao.AdminDao;
import cfq.business.dao.NewsCommentDao;
import cfq.struts.actionform.AdminActionForm;
import cfq.struts.actionform.ModifyNewsForm;
import cfq.struts.actionform.NewsForm;

public class AdminAction extends DispatchAction {
	
	AdminDao admin;
	NewsCommentDao newscmt;
	
	//管理员登录验证
	public ActionForward adminLogin(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		AdminActionForm aaf=(AdminActionForm)form;
		String result=admin.adminLogin(aaf.getUsername(), aaf.getPassword());
		if("OK".equals(result)){
			//把管理员的id放在session里
			request.getSession().setAttribute("adminid", admin.queryByName(aaf.getUsername()).getAdminid());
			return mapping.findForward("success");
		}else{
			request.setAttribute("error", "fail");
			return mapping.findForward("fail");
		}
		
	}
	
	//新增新闻
	public ActionForward addNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		NewsForm nf=(NewsForm)form;
		int adminid=Integer.valueOf(request.getParameter("adminid")) ;
		String result=admin.addNews(adminid, nf);
		if("OK".equals(result)){
			request.setAttribute("success_addNews", "success");
			
			return mapping.findForward("success");
		}else{
			request.setAttribute("fail_addNews", "fail");
			return mapping.findForward("fail");
		}
		
	}
	
	//根据新闻Id删除新闻以及此新闻的所有评论 listAllNewsComment
	public ActionForward delNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		int newsid=Integer.valueOf(request.getParameter("newsid"));
		String result=admin.delNews(newsid);
		if("OK".equals(result)){
			return mapping.findForward("success_del_news");
		}else{
			return mapping.findForward("fail_del_news");
		}
	}
	
	//根据新闻id修改新闻相关信息
	public ActionForward modifyNews(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ModifyNewsForm mnf=(ModifyNewsForm)form;
		String result=admin.modifyNews(mnf);
		if("OK".equals(result)){
			return mapping.findForward("Modify_news_success");
		}else{
			return mapping.findForward("Moadify_news_fail");
		}
	}
	
	//评论之前转向处理action
	public ActionForward toComntDo(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		List list=null;
		list=newscmt.listAllComment();
		request.setAttribute("comment", list);
		return mapping.findForward("success");
	}
	
	//根据新闻评论id删除一条评论记录 delCmnt
	public ActionForward delCmnt(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		int commid=Integer.valueOf(request.getParameter("commid"));
     	String result=admin.delNewsComment(commid);
     	if("OK".equals(result)){
     		return mapping.findForward("success");
     	}else{
     		return mapping.findForward("fail");
     	}
		
	}

	
	

	public void setAdmin(AdminDao admin) {
		this.admin = admin;
	}

	public void setNewscmt(NewsCommentDao newscmt) {
		this.newscmt = newscmt;
	}


}