updatecourseaction.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.Course;
import hibernate.HibernateUtil;

import java.util.Iterator;
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.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import struts.Constants;
import struts.form.UpdateCourseForm;

/** 
 * MyEclipse Struts
 * Creation date: 11-14-2005
 * 
 * XDoclet definition:
 * @struts.action path="/updateCourse" name="updateCourseForm" input="updateCourse.jsp" scope="request" validate="true"
 */
public class UpdateCourseAction 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) {
		UpdateCourseForm updateCourseForm = (UpdateCourseForm) form;
		
		Long id=null;
		String develop=null;
		String prepare=null;
		String courseID=null;
		String name=null;
		Integer mark=null;
		
		try{
		if(updateCourseForm!=null){
			id=updateCourseForm.getId();
			develop=new String((updateCourseForm.getDevelop()).getBytes("ISO-8859-1"));
			prepare=new String((updateCourseForm.getPrepare()).getBytes("ISO-8859-1"));
			courseID=updateCourseForm.getCourseID();
			name=new String((updateCourseForm.getName()).getBytes("ISO-8859-1"));
			mark=updateCourseForm.getMark();
		}
		
		}catch(Exception e){}
		
		try{
			List result=HibernateUtil.findCourse(id);
			Iterator  it = result.iterator();
			
			while(it.hasNext()){
			Course course=(Course)it.next();
			course.setDevelop(develop);
			course.setPrepare(prepare);
			course.setCourseID(courseID);
			course.setName(name);
			course.setMark(mark);
			
			HibernateUtil.update(course);
			}
			
		}catch(Exception e){
			
		}
		
		
		return (mapping.findForward(Constants.FORWARD_SUCCESS));
	}

}