post.java

用JAVA再WEB上做的留言薄

/*****************************************************************
                        *  Date:2007-05-10   *
                        *  File:post.java    *
                        *  Author:jezz       *
*****************************************************************/
package wm.servlet;

import java.util.*;
import java.sql.*;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

import wm.bean.messFun;

public class post extends HttpServlet{
	public void init() throws ServletException
	{
	}
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
	{
		messFun MF=new messFun();
		String id="";
		String content_reply="";
		String msg="";
		if(request.getParameter("id")!=null)
			id=request.getParameter("id");
		else
			msg+="<li>ID不存在</li>";
		if(request.getParameter("content_reply")!="")
			content_reply=request.getParameter("content_reply");
		else
			msg+="<li>内容不能为空</li>";
		if(msg.equals(""))
		{
		        boolean result=MF.postMess(id,content_reply);
			if(result==true)
                                msg+="<li>回复成功</li>";
			else
				msg+="<li>回复失败</li>";
                        request.setAttribute("msg",msg);
			RequestDispatcher wm =request.getRequestDispatcher("common.jsp");
			wm.forward(request,response);
		}
		else
		{
                        request.setAttribute("msg",msg);
			RequestDispatcher wm =request.getRequestDispatcher("common.jsp");
			wm.forward(request,response);
		}


	}

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

	public void destroy()
	{
	}
}