www.gusucode.com > 24:【198-3312】绿色蔬菜水果类企业织梦模板(带手机移动端) > 24:【198-3312】绿色蔬菜水果类企业织梦模板(带手机移动端)/(带手机版数据同步)绿色蔬菜类网站源码 水果类企业/include/helpers/downmix.helper.php
<?php /** * 防采集混淆字符串 * * @version $Id: downmix.inc.php 1 9:14 2010年7月6日Z tianya $ * @package DedeCMS.Libraries * @copyright Copyright (c) 2007 - 2010, DesDev, Inc. * @license http://help.dedecms.com/usersguide/license.html * @link http://www.dedecms.com */ /** * 混淆字符串内容 * * @access public * @param string $body 内容 * @return string */ if ( ! function_exists('RndString')) { function RndString(&$body) { //最大间隔距离(如果在检测不到p标记的情况下,加入混淆字串的最大间隔距离) $maxpos = 1024; //font 的字体颜色 $fontColor = "#FFFFFF"; //div span p 标记的随机样式 $st1 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999); $st2 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999); $st3 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999); $st4 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999); $rndstyle[1]['value'] = ".{$st1} { display:none; }"; $rndstyle[1]['name'] = $st1; $rndstyle[2]['value'] = ".{$st2} { display:none; }"; $rndstyle[2]['name'] = $st2; $rndstyle[3]['value'] = ".{$st3} { display:none; }"; $rndstyle[3]['name'] = $st3; $rndstyle[4]['value'] = ".{$st4} { display:none; }"; $rndstyle[4]['name'] = $st4; $mdd = mt_rand(1,4); $rndstyleValue = $rndstyle[$mdd]['value']; $rndstyleName = $rndstyle[$mdd]['name']; $reString = "<style> $rndstyleValue </style>\r\n"; //附机标记 $rndem[1] = 'font'; $rndem[2] = 'div'; $rndem[3] = 'span'; $rndem[4] = 'p'; //读取字符串数据 $fp = fopen(DEDEDATA.'/downmix.data.php','r'); $start = 0; $totalitem = 0; while(!feof($fp)) { $v = trim(fgets($fp,128)); if($start==1) { if(preg_match("/#end#/i", $v)) { break; } if($v!='') { $totalitem++; $rndstring[$totalitem] = preg_replace("/#,/", "", $v); } } if(preg_match("/#start#/i", $v)) { $start = 1; } } fclose($fp); //处理要防采集的字段 $bodylen = strlen($body) - 1; $prepos = 0; for($i=0;$i<=$bodylen;$i++) { if($i+2 >= $bodylen || $i<50) { $reString .= $body[$i]; } else { $ntag = @strtolower($body[$i].$body[$i+1].$body[$i+2]); if($ntag=='</p' || ($ntag=='<br' && $i-$prepos>$maxpos) ) { $dd = mt_rand(1,4); $emname = $rndem[$dd]; $dd = mt_rand(1,$totalitem); $rnstr = $rndstring[$dd]; if($emname!='font') { $rnstr = " <$emname class='$rndstyleName'>$rnstr</$emname> "; } else { $rnstr = " <font color='$fontColor'>$rnstr</font> "; } $reString .= $rnstr.$body[$i]; $prepos = $i; } else { $reString .= $body[$i]; } } } return $reString; }//函数结束 }