mainservlet.java

一个用JSP编写的网站计数器

package com.webcount.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 javax.servlet.http.HttpSession;
import com.webcount.dao.*;
import com.webcount.bean.*;

public class MainServlet extends HttpServlet {

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

		response.setContentType("text/html");
		response.setCharacterEncoding("GB18030");
		PrintWriter out = response.getWriter();
		HttpSession session = request.getSession();
		Member member = (Member)session.getAttribute("sessionmember");

		if(member==null){ // 访客为非注册用户
			member = new Member();
			member.setMembersessinid(session.getId());
			Web web = new Web();
			web.setWebhost(request.getHeader("host"));
			WebDAO webdao = DAOFactory.getWebDAO();
			webdao.insertWebInfo(web);
		}
		
		WebPage webpage = new WebPage();
		webpage.setPagename(request.getParameter("pagename"));  // 取得网页名
		webpage.setSessionid(session.getId());
		webpage.setWebhost(request.getParameter("webhost")); // 取得域名
		WebPageDAO webpagedao = DAOFactory.getWebPageDAO();
		webpagedao.insertWebPage(webpage); // 新增网页统计信息
		out.println();
		out.flush();
		out.close();
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request,response);
	}
}