deletetakecourse.java

数据库系统教材中附录的课程设计accomodation宿舍管理系统源码

package cn.kmp.accommodation.servlet;

import java.io.IOException;

import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;

import cn.kmp.accommodation.domain.*;
import cn.kmp.accommodation.service.*;

public class DeleteTakeCourse extends HttpServlet {
	private static final long serialVersionUID=-2264452574922395713L;
	private ServletConfig servletConfig=null;
	private String successView=null;
	private String failureView=null;
	private String sessionUserInfo=null;



	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		successView=request.getContextPath()+servletConfig.getInitParameter("successView");
		failureView=request.getContextPath()+servletConfig.getInitParameter("failureView");
		sessionUserInfo=servletConfig.getInitParameter("sessionUserInfo");
		TakeCourseService takeCourseService=ServiceFactory.getTakeCourseService();
		int studentNum=Integer.parseInt(request.getParameter("studentNum"));
		int courseNum=Integer.parseInt(request.getParameter("courseNum"));
		int schoolYear=Integer.parseInt(request.getParameter("schoolYear"));
		String semester=request.getParameter("semester");
		if(takeCourseService.deleteTakeCourseByKey(studentNum, courseNum, semester, schoolYear)){
			response.sendRedirect(successView);
		}
		else{
			response.sendRedirect(failureView);
		}

	

	}

	
	public void init(ServletConfig servletConfig)throws ServletException{
		this.servletConfig=servletConfig;
	}

}