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----------------------------------------------------------------------------------------- 防止查询的sql攻击 => 对关键词进行过滤（代码局部）
$k = $_REQUEST['k']; $k = addslashes($k); //转义:单引号，双引号，反斜线，NULL $k = str_replace('%', '\%', $k); $k = str_replace('_', '\_', $k); $sql = "select * from users where name like '%$k%'"; if(!empty($k)){ $res = mysql_query($sql, $con) or die(mysql_error()); if($row = mysql_fetch_assoc($res)){ foreach($row as $k=>$v){ echo $row[$k].':'.$row[$v].'<br />'; } } }else{ echo '******'; }
Refer：什么PHP的SQL注入 Link: http://www.cnblogs.com/farwish/p/3803811.html |
2022-08-17
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