html、asp、php、jsp 禁止缓存的方法
HTML:
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
<META HTTP-EQUIV="expires" CONTENT="0">
PHP：
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
ASP:
response.expires=0
response.addHeader("pragma","no-cache")
response.addHeader("Cache-Control","no-cache, must-revalidate")
JSP：
response.addHeader("Cache-Control", "no-cache");
response.addHeader("Expires", "Thu, 01 Jan 1970 00:00:01 GMT");
相关文档：
//上传文件
$dir="../upfile/jianli";
set_time_limit(0);
extract($_FILES);
if(!empty($res_clett["name"])){
$upfile=&$HTTP_POST_FILES['con_pdf'];
$upfileEx=substr($upfile['name'],-3);
$tmp_name=date("YmdGhis").'.'.$upfileEx;
&nb ......
<?php
/*
* Created on 2010-3-11
* author:zhangfei
*我的验证码类
*/
session_start();
class Check_Class{
public $h_img ;
public $c_back ;
public $c_front ;
//构造函数
function Check_Class(){
$h_img = imagecreate(100,30);
......
转帖，不说话
字符
十进制
转义字符
"
"
"
&
&
&
<
<
<
>
>
>
不断开空格(non-breaking space)
 
字符
十进制
转义字符
字符
十进制
转义字符
字符
十进制
转义字符
?
¡
& ......
<html>
<head>
<title>
基础HTML学习
</title> <t/标题/t>
& ......
一、conn.asp
<%
'@Language="VBSCRIPT" CODEPAGE=65001
'meta http-equiv="Content-Type" content="text/html; charset=gb2312"
' 936 utf-8
class TDB
function qry(byval sqlquery)
& ......
