updateclassaction.java

这是一个用Struts+Hibernate+Tomcat5.5.9实现的一个“课程管理系统”

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.0/xslt/JavaClass.xsl

package struts.action;

import hibernate.Classes;
import hibernate.HibernateUtil;

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 struts.Constants;
import struts.form.UpdateClassForm;

/** 
 * MyEclipse Struts
 * Creation date: 11-14-2005
 * 
 * XDoclet definition:
 * @struts.action path="/updateClass" name="updateClassForm" input="updateClass.jsp" scope="request" validate="true"
 */
public class UpdateClassAction 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) {
		UpdateClassForm updateClassForm = (UpdateClassForm) form;
		
		String class_name="";
		Integer classroom=null;
		Integer number=null;
		Long id=null;
	    Long course_ID=null;
	    String course_time="";
		
		if(updateClassForm!=null){
			id=updateClassForm.getId();
			class_name=updateClassForm.getClass_name();
			classroom=updateClassForm.getClassroom();
			number=updateClassForm.getNumber();
			course_ID=updateClassForm.getCourse_ID();
			course_time=updateClassForm.getCourse_time();
		}
		
		try{
			Classes classes=HibernateUtil.findClasses(id);
			classes.setClass_name(class_name);
			classes.setClassroom(classroom);

			classes.setCourse_ID(course_ID);
			classes.setCourse_time(course_time);
			classes.setNumber(number);
			
			HibernateUtil.update(classes);
		}catch(Exception e){
			
		}
		
		
		return (mapping.findForward(Constants.FORWARD_SUCCESS));
	}

}