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织梦dedeCMS分享几个站长常用的代码,提供全面易懂的建站教程--站长资源(2)

来源: www.dedecms8.com 编辑:织梦吧 时间:2014-07-09点击:

删除网站中所有文件的BOM<?phpif (isset($_GET['dir'])){ //设置文件目录    $basedir=$_GET['dir'];}else{    $basedir = '.';}$auto = 1;checkdir($basedir);function checkdir($basedir){if ($dh = opendir($basedir)) {  while (($file = readdir($dh)) !== false) {   if ($file != '.' && $file != '..'){    if (!is_dir($basedir."/".$file)) {     echo "filename: $basedir/$file ".checkBOM("$basedir/$file")." <br>";    }else{     $dirname = $basedir."/".$file;     checkdir($dirname);    }   }  }closedir($dh);}}function checkBOM ($filename) {global $auto;$contents = file_get_contents($filename);$charset[1] = substr($contents, 0, 1);$charset[2] = substr($contents, 1, 1);$charset[3] = substr($contents, 2, 1);if (ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191) {  if ($auto == 1) {      $rest = substr($contents, 3);      rewrite ($filename, $rest);      return ("<font color=red>BOM found, automatically removed.</font>");  } else {   return ("<font color=red>BOM found.</font>");  }}else return ("BOM Not Found.");}function rewrite ($filename, $data) {    $filenum = fopen($filename, "w");    flock($filenum, LOCK_EX);    fwrite($filenum, $data);    fclose($filenum);}Nginx规则Rewrite 规则 for wordpressif (!-e $request_filename){    rewrite (.*) /index.php;}robots.txt 语法允许所有机器人User-agent: *Disallow:

另一种写法:

User-agent: *Allow:/全站禁止收录User-agent: *Disallow: /禁止某个目录收录User-agent: *Disallow: /cgi-bin/在网页中用HTML代码阻止robots<meta name="robots" content="noindex" />

为保证robots.txt的语法正确可使用百度Robots.txt工具生成

 

其他代码解除网页右键屏蔽javascriptfunction() { function R(a){ona = "on"+a;if(window.addEventListener) window.addEventListener(a, function(e) { for(var n=e.originalTarget; n; n=n.parentNode) n[ona]=null; },true); window[ona]=null; document[ona]=null; if(document.body)document.body[ona]=null; } R("contextmenu");R("click");R("mousedown"); R("mouseup"); R("selectstart");})()

把以上代码加入收藏,在要解除屏蔽的网页上点击收藏链接

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