addsayingservlet.java

一个非常简单的mvc留言板MVC框架是STRUTS框架的基础

package com.aptech.servlet;

import java.io.IOException;

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

import com.aptech.bean.Saying;
import com.aptech.dao.SayingDAO;

public class AddSayingServlet extends HttpServlet {

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String stitle = request.getParameter("stitle");
		String scontent = request.getParameter("scontent");
		String uid = request.getParameter("uid");
		
		scontent = scontent.replaceAll("<", "&lt;");
		scontent = scontent.replaceAll(">", "&gt;");
		scontent = scontent.replaceAll("'", "''");
		scontent = scontent.replaceAll("\n", "<br>");
		scontent = scontent.replaceAll(" ", "&nbsp;");
		
		Saying saying = new Saying();
		saying.setStitle(stitle);
		saying.setScontent(scontent);
		saying.setUid(Integer.parseInt(uid));
		
		SayingDAO sd = new SayingDAO();
		boolean b = sd.addSaying(saying);
		
		if(b){
			request.setAttribute("tip", "恭喜，留言添加成功");
			request.setAttribute("r", "SayinglistServlet?curpage=1&pagesize=3");
		}else{
			request.setAttribute("tip", "对不起，留言失败");
			request.setAttribute("r", "addsaying.jsp");
		}
		request.getRequestDispatcher("tip.jsp").forward(request, response);
	}

}