请问怎么将文章中的链接自动加超链接?

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这样方便网址的打开。

在网上搜到有人使用正则表达式对帖子中网址进行替换,从而得到超链接,代码为:

function autolink($foo)   
{   
    $foo = eregi_replace('(((http://)[-a-zA-Z0-9@:%_/+.~#?&//=]+)', '/1', $foo);   
    if( strpos($foo, "http") === FALSE ){   
    $foo = eregi_replace('(www.[-a-zA-Z0-9@:%_/+.~#?&//=]+)', '/1', $foo);   
}else{   
    $foo = eregi_replace('([[:space:]()[{}])(www.[-a-zA-Z0-9@:%_/+.~#?&//=]+)', '/1/2', $foo);   
}   
return $foo;   
}
测试在嵌入相关-模板加载前嵌入 设置后无效。请问乐天老师怎么调整?

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花沁电子 1 六级站长 普通 2#
<script type="text/javascript">/*让链接可点击*/var oHead1016 = document.getElementsByTagName('body').item(0);var clearLink, excludedTags, linkFilter, linkMixInit, linkPack, linkify, observePage, observer, setLink, urlPrefixes, url_regexp, xPath;
 
url_regexp = /((https?:\/\/|www\.)[\x21-\x7e]+[\w\/]|(\w[\w._-]+\.(com|cn|org|net|info|tv|cc|gov|edu))(\/[\x21-\x7e]*[\w\/])?|ed2k:\/\/[\x21-\x7e]+\|\/|thunder:\/\/[\x21-\x7e]+=)/gi;
 
urlPrefixes = ['http://', 'https://', 'ftp://', 'thunder://', 'ed2k://'];
 
clearLink = function (event) {
  var j, len, link, prefix, ref, ref1, url;
  link = (ref = event.originalTarget) != null ? ref : event.target;
  if (!(link != null && link.localName === "a" && ((ref1 = link.className) != null ? ref1.indexOf("textToLink") : void 0) !== -1)) {
    return;
  }
  url = link.getAttribute("href");
  //console.log url
  for (j = 0, len = urlPrefixes.length; j < len; j++) {
    prefix = urlPrefixes[j];
    if (url.indexOf(prefix) === 0) {
      return;
    }
  }
  return link.setAttribute("href", "http://" + url);
};
 
document.addEventListener("mouseover", clearLink);
 
setLink = function (candidate) {
  var ref, ref1, ref2, span, text;
  if (candidate == null || ((ref = candidate.parentNode) != null ? (ref1 = ref.className) != null ? typeof ref1.indexOf === "function" ? ref1.indexOf("textToLink") : void 0 : void 0 : void 0) !== -1 || candidate.nodeName === "#cdata-section") {
    return;
  }
  text = candidate.textContent.replace(url_regexp, '<a href="$1" target="_blank" class="textToLink">$1</a>');
  if (((ref2 = candidate.textContent) != null ? ref2.length : void 0) === text.length) {
    return;
  }
  span = document.createElement("span");
  span.innerHTML = text;
  return candidate.parentNode.replaceChild(span, candidate);
};
 
excludedTags = "a,svg,canvas,applet,input,button,area,pre,embed,frame,frameset,head,iframe,img,option,map,meta,noscript,object,script,style,textarea,code".split(",");
 
xPath = '//text()[not(ancestor::' + excludedTags.join(') and not(ancestor::') + ')]';
 
linkPack = function (result, start) {
  var i, j, k, ref, ref1, ref2, ref3, startTime;
  startTime = Date.now();
  while (start + 10000 < result.snapshotLength) {
    for (i = j = ref = start, ref1 = start + 10000; ref <= ref1 ? j <= ref1 : j >= ref1; i = ref <= ref1 ? ++j : --j) {
      setLink(result.snapshotItem(i));
    }
    start += 10000;
    if (Date.now() - startTime > 2500) {
      return;
    }
  }
  for (i = k = ref2 = start, ref3 = result.snapshotLength; ref2 <= ref3 ? k <= ref3 : k >= ref3; i = ref2 <= ref3 ? ++k : --k) {
    setLink(result.snapshotItem(i));
  }
};
 
linkify = function (node) {
  var result;
  result = document.evaluate(xPath, node, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  return linkPack(result, 0);
};
 
linkFilter = function (node) {
  var j, len, tag;
  for (j = 0, len = excludedTags.length; j < len; j++) {
    tag = excludedTags[j];
    if (tag === node.parentNode.localName.toLowerCase()) {
      return NodeFilter.FILTER_REJECT;
    }
  }
  return NodeFilter.FILTER_ACCEPT;
};
 
observePage = function (root) {
  var tW;
  tW = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, { //+ NodeFilter.SHOW_ELEMENT,
    acceptNode: linkFilter
  }, false);
  while (tW.nextNode()) {
    setLink(tW.currentNode);
  }
};
 
observer = new window.MutationObserver(function (mutations) {
  var Node, j, k, len, len1, mutation, ref;
  for (j = 0, len = mutations.length; j < len; j++) {
    mutation = mutations[j];
    if (mutation.type === "childList") {
      ref = mutation.addedNodes;
      for (k = 0, len1 = ref.length; k < len1; k++) {
        Node = ref[k];
        observePage(Node);
      }
    }
  }
});
 
linkMixInit = function () {
  if (window !== window.top || window.document.title === "") {
    return;
  }
  //console.time('a')
  linkify(document.body);
  //console.timeEnd('a')
  return observer.observe(document.body, {
    childList: true,
    subtree: true
  });
};
 
setTimeout(linkMixInit, 100);</script>

安徽,阜阳

花心人:
模板加载后

可乐:
忘了感谢你了!已经成功了

可乐:
这个有点问题的是,有时会打开JavaScript的一个空白窗口。

花心人:
目前没发现

花心人:
可能你开了站长中心的链接安全功能

花心人:
关闭即可,那个功能有问题

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