//Created by MyEclipse Struts// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.1/xslt/JavaClass.xslpackage com.mycompany.struts.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.ActionError;import org.apache.struts.action.ActionErrors;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import org.hibernate.Query;import org.hibernate.Session;import org.hibernate.Transaction;import com.mycompany.HibernateSessionFactory;import com.mycompany.po.UserInfo;import com.mycompany.struts.form.UseRegForm;/**  * MyEclipse Struts * Creation date: 12-24-2005 *  * XDoclet definition: * @struts.action path="/useReg" name="useRegForm" input="/form/useReg.jsp" scope="request" validate="true" * @struts.action-forward name="succ" path="/succ.html" */public class UseRegAction extends Action {	// --------------------------------------------------------- Instance Variables	// --------------------------------------------------------- Methods	/** 	 * Method execute	 * @param mapping	 * @param form	 * @param request	 * @param response	 * @return ActionForward	 */	public ActionForward execute(		ActionMapping mapping,		ActionForm form,		HttpServletRequest request,		HttpServletResponse response) {		UseRegForm useRegForm = (UseRegForm) form;		Transaction tx=null;		List ul=null;		Session se=HibernateSessionFactory.currentSession();		try{			tx=se.beginTransaction();			String sql="from com.mycompany.po.UserInfo as user where user.name='"+useRegForm.getName()+"'";			Query q=se.createQuery(sql);			ul=q.list();			tx.commit();		}		catch(Exception e){			if(tx!=null)tx.rollback();			System.out.println(e.toString());		}		ActionErrors nerror=new ActionErrors();		if(ul==null||ul.isEmpty()){			UserInfo user=new UserInfo();			user.setName(useRegForm.getName());			user.setPassword(useRegForm.getPw());			saveUser(user);			return mapping.findForward("succ");		}else{			nerror.add("name",new ActionError("changname"));			this.saveErrors(request,nerror);			return mapping.findForward("useReg");		}	}	private void saveUser(UserInfo user){		Transaction tx=null;		try{			Session se=HibernateSessionFactory.currentSession();			tx=se.beginTransaction();			se.save(user);			tx.commit();			//System.out.println("sd");		}		catch(Exception e){			if(tx!=null)tx.rollback();			System.out.println(e.toString());    	}			}}