selecttestpaper.java

用java+servlet实现在线考试系统

package com.zte.exam.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 com.zte.database.Database;

public class SelectTestPaper extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public SelectTestPaper() {
		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 {
        request.setCharacterEncoding("gbk");
        String typetitle =request.getParameter("select");
		String qutitle=request.getParameter("textfield");
		String quhard   =request.getParameter("select3");
		String qutype =request.getParameter("select4");
		String quscore  =request.getParameter("select2");
		String quanswer =request.getParameter("textfield2");
		String selectoption =request.getParameter("textfield3");
		String sql="insert into exam_question(testtitle,qutitle,quhard,qutype,";
		sql+="quscore,quanswer,selectoption) values ('";
		sql+=typetitle+"','";
		sql+=qutitle+"','";
		sql+=quhard+"','";
		sql+=qutype+"','";
		sql+=quscore+"','";
		sql+=quanswer+"','";
		sql+=selectoption+"')";
		Database db = new Database();
		if(db.add(sql))
		{
			response.sendRedirect("admin/selecttestpaper.jsp?flag=success");
		}
		
		System.out.println(sql);
	}

	/**
	 * 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
	}

}