studentall.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 org.myJavabeans.DataConnection;
import org.myJavabeans.StudentBean;

public class studentAll 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 {
		String stu_id=request.getParameter("id");
		DataConnection d = new DataConnection();
		StudentBean student = new StudentBean();
		request.setCharacterEncoding("UTF-8");
		student=d.returnStudentAll(stu_id);
		if(student!=null){
			request.setAttribute("student",student);
			request.getRequestDispatcher("/studentAll.jsp").forward(request,
					response);
		}
		else{
			request.setAttribute("jsp", "servlet/AllStudents");
			request.setAttribute("message", "没有详细信息");
			request.getRequestDispatcher("/error.jsp").forward(request,
					response);
		}
	}

}