page.java

这是我们几个人在培训过程中做的第一个 小项目 仅供参考

package com.t2.myblog.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

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

import com.t2.myblog.biz.BookMessageBiz;

public class Page extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public Page() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * 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 {
		BookMessageBiz biz=new BookMessageBiz();
		response.setContentType("text/html");
		//当前页
		int pageindex=Integer.parseInt( request.getParameter("pi"));
		//每页记录数
		int pagesize=10;
		//记录总数
		int count=biz.getCount();
		//页总数
		int pagecount=count%10==0?count/10:count/10+1;
		
		if(pageindex<=0)
			pageindex=1;
		
		if(pageindex>pagecount)
			pageindex=pagecount;
		
		List list=biz.getPageBookMessages(pageindex, pagesize);
		request.setAttribute("bmlist", list);
		request.setAttribute("pagecount", new Integer(pagecount));
		request.getRequestDispatcher("list.jsp").forward(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 {

		doGet(request,response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}