function htmldecode($str)
{
if(empty($str)) return;
if($str=="") return $str;
$str=str_replace("&",chr(34),$str);
$str=str_replace(">",">",$str);
$str=str_replace("<","<",$str);
$str=str_replace("&","&",$str);
$str=str_replace(" ",chr(32),$str);
$str=str_replace(" ",chr(9),$str);
$str=str_replace("'",chr(39),$str);
$str=str_replace("<br />",chr(13),$str);
$str=str_replace("''","'",$str);
$str=str_replace("select","select",$str);
$str=str_replace("join","join",$str);
$str=str_replace("union","union",$str);
$str=str_replace("where","where",$str);
$str=str_replace("insert","insert",$str);
$str=str_replace("delete","delete",$str);
$str=str_replace("update","update",$str);
$str=str_replace("like","like",$str);
$str=str_replace("drop","drop",$str);
$str=str_replace("create","create",$str);
$str=str_replace("modify","modify",$str);
$str=str_replace("rename","rename",$str);
$str=str_replace("alter","alter",$str);
$str=str_replace("cas","cast",$str);
$farr = array(
"/\s+/" , //过滤多余的空白
"/<(\/?)(img|script|i?frame|style|html|body|title|link|meta|\?|\%)([^>]*?)>/isU" , //过滤 <script 防止引入恶意内容或恶意代码,如果不需要插入flash等,还可以加入<object的过滤
"/(<[^>]*)on[a-zA-Z]+\s*=([^>]*>)/isU" , //过滤javascript的on事件
);
$tarr = array(
" " ,
"<\\1\\2\\3>" , //如果要直接清除不安全的标签，这里可以留空
"\\1\\2" ,
);
$str = preg_replace ( $farr , $tarr , $str );
return $str;
}
网上找的，本人太懒了，直接可以用。
<?php
class main extends spController
{
function index(){
echo "<p align=center><h1>HIS基础数据维护</h1>";
echo "<p align=center><h2>科室字典</h2>";
$contentsurl=spUrl("main", "i ......
