php中防止重复提交数据程序代码
以前讲述的都是利用js来防止用户重复提交数据,但是如果用户利用机器你的js就没有一点办法防止用户重复提交数据了,下面我来介绍php防止重复提交数据程序。
利用session来操作
代码如下 | 复制代码 |
session_start(); |
利用cookie来解决
提交页面代码如下a.php代码如下:
代码如下 | 复制代码 |
php
代码如下 | 复制代码 |
setcookie("onlypost", 't'); //设置cookie,可以带上时间值。像有些论坛防止灌水就可以将你的一些基本信息存放到里面。 ?> |
处理页面b.php代码如下:
代码如下 | 复制代码 |
if($_COOKIE['onlypost'] == 't'){ print_r($_COOKIE); //处理提交的内容 如果验证成功则处理 print "ok"; setcookie("onlypost", 'f'); //改变cooike值删除也可以了 |

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