teacherupdatestudent.java

这是学生管理网站的java源码,可以管理学生信息

package org.myservlets;

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 javax.servlet.http.HttpSession;

import org.myJavabeans.DataConnection;

public class teacherUpdatestudent 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 {
		doPost(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 {
		DataConnection d = new DataConnection();
		request.setCharacterEncoding("UTF-8");
		String stu_sex = null;
		String stu_school = null;
		HttpSession session=request.getSession();
		String stu_id=(String)session.getAttribute("stu_id");
		String stu_name = request.getParameter("stu_name");
		String sex = request.getParameter("stu_sex");
		String stu_class = request.getParameter("stu_class");
		int school = Integer.parseInt(request.getParameter("stu_school"));
		String stu_phone = request.getParameter("stu_phone");
		String stu_text = request.getParameter("stu_text");
		String stu_address = request.getParameter("stu_address");
		if (sex.equals("man")) {
			stu_sex = "男";
		} else {
			stu_sex = "女";
		}
		switch (school) {
		case 1:
			stu_school = "高中";
			break;
		case 2:
			stu_school = "大专";
			break;
		case 3:
			stu_school = "本科";
			break;
		case 4:
			stu_school = "研究生";
			break;
		}
		boolean b=d.UpdateStudent(stu_name, stu_id, stu_sex, stu_school, stu_class, stu_phone, stu_address, stu_text);
		if (b == true) {
				request.setAttribute("message", "修改成功");
				request.getRequestDispatcher("/teacher.jsp").forward(request,
						response);
			
		} else {
			request.setAttribute("jsp", "teacherUpdatestudent.jsp");
			request.setAttribute("message", "修改失败！");
			request.getRequestDispatcher("/error.jsp").forward(request,
					response);
		}
		
	}

}