updateteacheraction.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 hibernate.Teacher;

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.UpdateTeacherForm;

/**
 * MyEclipse Struts Creation date: 11-14-2005
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/updateTeacher" name="updateTeacherForm"
 *                input="updateTeacher.jsp" scope="request" validate="true"
 */
public class UpdateTeacherAction 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) {
		UpdateTeacherForm updateTeacherForm = (UpdateTeacherForm) form;

		String password = "";
		String age = "";
		String title = "";
		String address = "";
		String telephone = "";
		String username = "";
		String email = "";
		String sex = "";
		String name = "";
		Long id = null;
		Long classes_id=null;

		if (updateTeacherForm != null) {
			id = updateTeacherForm.getId();
			classes_id=updateTeacherForm.getClasses_id();
			try {
				password = updateTeacherForm.getPassword();
				age = updateTeacherForm.getAge();
				title = new String((updateTeacherForm.getTitle())
						.getBytes("ISO-8859-1"));
				address = new String((updateTeacherForm.getAddress())
						.getBytes("ISO-8859-1"));
				telephone = updateTeacherForm.getTelephone();
				username = new String((updateTeacherForm.getUsername())
						.getBytes("ISO-8859-1"));
				email = updateTeacherForm.getEmail();
				sex = new String((updateTeacherForm.getSex())
						.getBytes("ISO-8859-1"));
				name = new String((updateTeacherForm.getName())
						.getBytes("ISO-8859-1"));
			} catch (Exception e) {

			}

		}

		try {
			List results = HibernateUtil.findTeacher(id);
			Iterator it = results.iterator();
			while (it.hasNext()) {
				Teacher teacher = (Teacher) it.next();
				teacher.setPassword(password);
				teacher.setAge(age);
				teacher.setTitle(title);
				teacher.setAddress(address);
				teacher.setTelephone(telephone);
				teacher.setUsername(username);
				teacher.setEmail(email);
				teacher.setSex(sex);
				teacher.setName(name);
				teacher.setClasses(new Classes(classes_id));

				HibernateUtil.update(teacher);
			}
		} catch (Exception e) {

		}

		return (mapping.findForward(Constants.FORWARD_SUCCESS));
	}

}