teacherclservlet.java

课程管理系统

package cn.rludrea.servlet;

import java.io.IOException;
import java.io.PrintWriter;

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

import cn.rludrea.model.CourseBean;
import cn.rludrea.model.CourseBeanBO;

public class TeacherClServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		//这个控制器主要是操作老师对先课的一些操作；
		
		String type=request.getParameter("type");
		if(type.equals("divide")){
		//处理分页
		String pageNow=request.getParameter("pageNow");
		request.setAttribute("s_pageNow", pageNow);
		request.getRequestDispatcher("teaShowCourse.jsp").forward(request, response);
		}else if(type.equals("intro"))
		{
			//接收传过来的courseId的值；
			String courseId=request.getParameter("courseId");
			CourseBeanBO cbo=new CourseBeanBO();
			CourseBean cb=new CourseBean();
			cb=cbo.getCourseBean(courseId);
			request.setAttribute("CourseIntro", cb);
			request.getRequestDispatcher("courseIntro2.jsp").forward(request, response);
		}else if(type.equals("teaCourse"))
		{
			String teaName=request.getParameter("teaName");
			CourseBeanBO cbo=new CourseBeanBO();
			String courseId=cbo.getCourseIdBystuName(teaName);
			CourseBean cb=(CourseBean)cbo.getCourseBean(courseId);
			request.setAttribute("cb", cb);
			request.getRequestDispatcher("teaCourse.jsp").forward(request, response);
		}
		
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doGet(request, response);
	}

}