u01daction.java

持久层hibernate技术使用的一个例子

package cn.hope.front.action;

import org.apache.log4j.Logger;
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 cn.hope.front.pojo.Student;
import cn.hope.front.pojo.TInfo;

import cn.hope.front.bo.U01Dbo;
import cn.hope.front.form.U01Dform;



import javax.servlet.http.*;
public class U01Daction extends Action{
	Logger log = Logger.getLogger(U01Daction.class.getName());
	public ActionForward execute(
			ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,  
			HttpServletResponse response) throws Exception {
	
	   		U01Dform dyform = (U01Dform) form;         
			String name = (String)dyform.getName();
			String psw = (String)dyform.getPsw();
			String ts=(String)dyform.getTs();
			System.out.println(ts);
			HttpSession session=request.getSession();
			
			U01Dbo u01dbo=new U01Dbo();
			Student student = new Student();
			TInfo tinfo=new TInfo();
			
			if(ts.equals("0")){//判断是否是老师还是学生
			 student=u01dbo.serachAll(name,psw);		
			//如果为真就返正确的页面
			 
				if (student==null) {//为空就是失败。				
					ActionMessages errors = new ActionMessages();
					errors.add(ActionMessages.GLOBAL_MESSAGE,
						new ActionMessage("U01label.deny"));
						
					if (!errors.isEmpty()) {
						saveErrors(request, errors);
					}
					
		  			return  mapping.findForward("failed"); //登陆失败
				}
				else{
					session.setAttribute("zhtname",student);
		 	   		return (mapping.findForward("successed"));//登陆成功					
				}
			}else
			{
				tinfo=u01dbo.tserachAll(name,psw);
				if(tinfo==null){
					ActionMessages errors = new ActionMessages();
					errors.add(ActionMessages.GLOBAL_MESSAGE,
						new ActionMessage("U01label.deny"));
						
					if (!errors.isEmpty()) {
						saveErrors(request, errors);
					}
					
		  			return  mapping.findForward("failed"); //登陆失败
					
				}
				return (mapping.findForward("tsuccessed"));//登陆成功	
			}
				
			}
			
}