deletestudentaction.java.svn-base

菲律宾的一个大学的图书管理系统 spring+hibernate+velocity

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.8.4/xslt/JavaClass.xsl

package biz.bluesky.pts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import biz.bluesky.pts.service.*;
import biz.bluesky.pts.util.ErrorCode;

/** 
 * MyEclipse Struts
 * Creation date: 05-18-2005
 * 
 * XDoclet definition:
 * @struts:action scope="request" validate="true"
 */
public class DeleteStudentAction extends BaseAction {

	// --------------------------------------------------------- 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)throws Exception {


		IStudentService studentService = (IStudentService)getServiceBean("StudentService");
		int studentId = Integer.parseInt(request.getParameter("studentId"));
		int schoolId =Integer.parseInt(request.getParameter("schoolId"));
		int classId = Integer.parseInt(request.getParameter("classId"));
		
		int retcode = studentService.removeStudent(studentId);
		if(retcode==ErrorCode.ERR_UNDISCOVERED){
			request.setAttribute("success","<script language=javascript>function window.onload(){alert('Delete the student successful.');window.location.href='findClasses.do?schoolId="+schoolId+"&classId="+classId+"';}</script>");
			return mapping.findForward("success");
		}else{
			String msg = ErrorCode.getErrorMessage(retcode);
			if(msg==""){
				msg="The system encountered an internal error.";
			}
			request.setAttribute("error",msg);
			return mapping.findForward("error");
		}
	}

}