starttestservlet.java

来自「用java+servlet实现在线考试系统」· Java 代码 · 共 83 行

package com.zte.exam.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

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

import com.zte.database.Database;

public class StartTestServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public StartTestServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * 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 {

		String testtype=request.getParameter("select");
		testtype=new String(testtype.getBytes("ISO-8859-1"),"GBK");
		String sql="select * from exam_question where testtitle='";
	    sql+=testtype+"'";
	    System.out.println(testtype);
	    Database db = new Database();
	    List list=db.questionlist(sql);
	    request.getSession().setAttribute("list",list);
	    System.out.println(list);
	    request.getSession().setAttribute("testtype",testtype);
	    response.sendRedirect("student/starttest.jsp");
	}

	/**
	 * 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 {

		doGet(request,response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}