Top10Servlet

<span style="font-size:18px;">/**

 * Top10

 * author:杨鑫

 */

package servlet;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.List;

import javax.servlet.ServletConfig;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

 * Servlet implementation class Top10Servlet

 */

@WebServlet("/top10")

public class Top10Servlet extends HttpServlet {

	private List<String> londonAttractions;

	private List<String> parisAttractions;

	/**

	 * 默认的无參数构造方法

	 */

    public Top10Servlet() {

        super();

        // TODO Auto-generated constructor stub

    }

	public void init() throws ServletException {

		// TODO Auto-generated method stub

		londonAttractions = new ArrayList<String>(10);

		londonAttractions.add("Buckingham Palace");

		londonAttractions.add("London Eye");

		londonAttractions.add("British Museum");

		londonAttractions.add("National Gallery");

		londonAttractions.add("BigBen");

		londonAttractions.add("Tower of London");

		londonAttractions.add("Natural History Museum");

		londonAttractions.add("Canary Wharf");

		londonAttractions.add("2012 Olympic Park");

		londonAttractions.add("St Paul's Cathedral");

		parisAttractions = new ArrayList<String>(10);

		parisAttractions.add("Eiffel Tower");

		parisAttractions.add("Notre Dame");

		parisAttractions.add("The Louvre");

		parisAttractions.add("Champs Elysees");

		parisAttractions.add("Arc de Triomphe");

		parisAttractions.add("Sainte Chapelle Church");

		parisAttractions.add("Les Invalides");

		parisAttractions.add("Musee d'Orsay");

		parisAttractions.add("Montmarte");

		parisAttractions.add("Sacre Couer Basilica");

	}

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		// TODO Auto-generated method stub

		String city = request.getParameter("city");

		if(city != null && (city.equals("london") || city.equals("paris"))){

			showAttractions(request, response, city);

		}else{

			showMainPage(request, response);

		}

	}

	private void showMainPage(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{

		response.setContentType("text/html; charset=utf-8");

		PrintWriter out = response.getWriter();

		out.print("<html><head>" + "<title>Top 10 Tourist Attractions</title>" + "</head><body>" + "please select a city:" + "<br/><a href='?

city=london'>London</a>" + "<br/><a href='?

city=paris'>Paris</a>" + "</body></html>");

	}

	private void showAttractions(HttpServletRequest request, HttpServletResponse response, String city) throws ServletException, IOException{

		int page = 1;

		String pageParameter = request.getParameter("page");

		if(pageParameter != null){

			try{

				page = Integer.parseInt(pageParameter);

			}catch(NumberFormatException e){

				e.printStackTrace();

			}

			if(page > 2){

				page = 1;

			}

		}

		List<String> attractions = null;

		if(city.equals("london")){

			attractions = londonAttractions;

		}else if(city.equals("paris")){

			attractions = parisAttractions;

		}

		response.setContentType("text/html");

		PrintWriter out = response.getWriter();

		out.println("<html><head>" + "<title>Top 10 Tourist Attraction</title>" + "</head><body>");

		out.println("<a href ='top10'>Select City</a>");

		out.println("<hr/>Page " + page + "<hr/>");

		int start = page * 5 - 5;

		for(int i = start; i < start + 5; i++)

		{

			out.println(attractions.get(i) + "<br/>");

			out.print("<hr style ='color:blue'/>" + "<a href='?

city=" + city + "&page=1'>Page 1</a>");

			out.println("  <a href='?city=" + city + "&page=2'>Page 2</a>");

			out.println("</body></html>");

		}

	}

}

</span>
这里的配置文件我就不贴出来了。
请自行配置：
如图效果
细节：
巴特西

Top10Servlet

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