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package com.filter;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
public class WordsFilter implements Filter {
private Map< String, String>map = new HashMap< String, String>();
// ¹ýÂËÆ÷µÄ³õʼ»¯
public void init(FilterConfig config) throws ServletException {
String filePath = config.getInitParameter("filePath");
// ´ÓÅäÖÃÎļþÖÐÈ¡µÃÎļþµÄÏà¶Ô·¾¶
Servl
Ïà¹ØÎĵµ£º
½ñÌì¸ÕÇÉÅöµ½ºÍJSP×¢ÊÍÓÐµã¹ØÏµµÄÒ»¸öÎÊÌâ¡£ËùÒÔ×ö¸ö±Ê¼Ç£¬ËµÃ÷Ò»ÏÂÏÔʽעÊÍ<!-- comments --> ºÍÒþʽעÊÍ<%-- comments --%> Ö®¼äµÄÁ½µã²î±ð¡£
Ôø¾ÒÔΪÏÔʽעÊͺÍÒþʽעÊͲî±ðÖ»ÓÐÔÚ´úÂëÏÔʾÉÏ£¬ÕâµãÓ¦¸Ã´ó¼Ò¶¼ÖªµÀ£¬ÏÔʽעÊÍ»áÏÔʾÔÚ¿Í»§¶ËÒ³ÃæÔ´ÂëÖУ¬¶øÒþʽעÊÍÊÇ¿´²»µ½µÄ£¬²»¹ýÕâÖ»ÊǵÚÒ»µã¡£
......
<%
Cookie[] cooks = request.getCookies();
String cookieName = "Mycookie";
boolean flag = false;
for(Cookie cook : cooks)
{
if(cook.getName().equals(cookieName))
{
flag = true;
break;
}
}
if(!flag){
String str=System.currentTimeMillis()+"";
Cook ......
<html:html>
<HEAD>
<tiles:insert attribute="header" />
</HEAD>
<body>
<tiles:insert attribute="top" />
<table width="100%" height="400" border="0" align="center"
cellpadding="0" cellspacing="0">
<tr>
<td width="178" ......
//ѧϰ±Ê¼Ç, ¿ÉÄÜÓÐЩµØ·½Àí½âÓÐÎó, »á±í´ï²»Çå³þ
v512_servlet+jsp
01 ÔÚÐÞ¸ÄÍêCookieºó,Ò»¶¨Òª¼ÓÉÏresponse.addCookie(c);
CookieÖÐÖ»Äܱ£´æ×Öĸ»òÊý×ÖÐÅÏ¢;
02 req.getSession()Óëreq.getSession(boolean create)
ÎÞ²ÎÊýµÄ == ÓвÎÊýµÄ²ÎÊýÎ ......