showservlet.java

来自「基本完成上传本地图片和信息的分类显示」· Java 代码 · 共 68 行

package com.servlet;

import java.io.IOException;
import java.util.ArrayList;

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

import com.bean.Student;
import com.bean.StudentAccess;

/**
 * Servlet implementation class for Servlet: ShowServlet
 * 
 */
public class ShowServlet extends javax.servlet.http.HttpServlet implements
		javax.servlet.Servlet {
	static final long serialVersionUID = 1L;

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public ShowServlet() {
		super();
	}

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request,
	 *      HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request,
	 *      HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		request.setCharacterEncoding("gbk");

		StudentAccess dao = new StudentAccess();
		String intPage = request.getParameter("page");
		int pageCount;
		if (intPage == null)
			pageCount = 1;
		else
			pageCount = Integer.parseInt(intPage);
		ArrayList array = dao.getStudentList(5, pageCount);
		request.setAttribute("list", array);
		request.setAttribute("page", intPage);
		RequestDispatcher rd = request
				.getRequestDispatcher("studentInformation.jsp");
		rd.forward(request, response);
	}
}