我会使用书签。我有一个 XPath 相关的,但我不知道它是否适用于 IE。我得走了,但如果它在 IE 上工作,我会测试它并给出它。
我的书签中为 Web 开发人员提供的两个书签站点:Subsimple 的书签和Squarefree 的书签。那里有很多有用的东西...
[编辑] 好的,我回来了。我拥有的书签仅适用于 FF,并不是最佳的。我终于重写了它,尽管使用了原来的想法。找不到我找到它的地方。
扩展JS:
function getNode(node)
{
var nodeExpr = node.tagName;
if (nodeExpr == null) // Eg. node = #text
return null;
if (node.id != '')
{
nodeExpr += "[@id='" + node.id + "']";
// We don't really need to go back up to //HTML, since IDs are supposed
// to be unique, so they are a good starting point.
return "/" + nodeExpr;
}
// We don't really need this
//~ if (node.className != '')
//~ {
//~ nodeExpr += "[@class='" + node.className + "']";
//~ }
// Find rank of node among its type in the parent
var rank = 1;
var ps = node.previousSibling;
while (ps != null)
{
if (ps.tagName == node.tagName)
{
rank++;
}
ps = ps.previousSibling;
}
if (rank > 1)
{
nodeExpr += '[' + rank + ']';
}
else
{
// First node of its kind at this level. Are there any others?
var ns = node.nextSibling;
while (ns != null)
{
if (ns.tagName == node.tagName)
{
// Yes, mark it as being the first one
nodeExpr += '[1]';
break;
}
ns = ns.nextSibling;
}
}
return nodeExpr;
}
var currentNode;
// Standard (?)
if (window.getSelection != undefined)
currentNode = window.getSelection().anchorNode;
// IE (if no selection, that's BODY)
else
currentNode = document.selection.createRange().parentElement();
if (currentNode == null)
{
alert("No selection");
return;
}
var path = [];
// Walk up the Dom
while (currentNode != undefined)
{
var pe = getNode(currentNode);
if (pe != null)
{
path.push(pe);
if (pe.indexOf('@id') != -1)
break; // Found an ID, no need to go upper, absolute path is OK
}
currentNode = currentNode.parentNode;
}
var xpath = "/" + path.reverse().join('/');
alert(xpath);
// Copy to clipboard
// IE
if (window.clipboardData) clipboardData.setData("Text", xpath);
// FF's code to handle clipboard is much more complex
// and might need to change prefs to allow changing the clipboard content.
// I omit it here as it isn't part of the original request.
您必须选择元素并激活小书签才能获取其 XPath。
现在,书签版本(感谢Bookmarklet Builder):
IE
(我不得不把它分成两部分,因为 IE 不喜欢很长的书签(最大大小取决于 IE 版本!)。你必须激活第一个(函数 def)然后是第二个。用 IE6 测试.)
javascript:function getNode(node){var nodeExpr=node.tagName;if(!nodeExpr)return null;if(node.id!=''){nodeExpr+="[@id='"+node.id+"']";return "/"+nodeExpr;}var rank=1;var ps=node.previousSibling;while(ps){if(ps.tagName==node.tagName){rank++;}ps=ps.previousSibling;}if(rank>1){nodeExpr+='['+rank+']';}else{var ns=node.nextSibling;while(ns){if(ns.tagName==node.tagName){nodeExpr+='[1]';break;}ns=ns.nextSibling;}}return nodeExpr;}
javascript:function o__o(){var currentNode=document.selection.createRange().parentElement();var path=[];while(currentNode){var pe=getNode(currentNode);if(pe){path.push(pe);if(pe.indexOf('@id')!=-1)break;}currentNode=currentNode.parentNode;}var xpath="/"+path.reverse().join('/');clipboardData.setData("Text", xpath);}o__o();
法郎
javascript:function o__o(){function getNode(node){var nodeExpr=node.tagName;if(nodeExpr==null)return null;if(node.id!=''){nodeExpr+="[@id='"+node.id+"']";return "/"+nodeExpr;}var rank=1;var ps=node.previousSibling;while(ps!=null){if(ps.tagName==node.tagName){rank++;}ps=ps.previousSibling;}if(rank>1){nodeExpr+='['+rank+']';}else{var ns=node.nextSibling;while(ns!=null){if(ns.tagName==node.tagName){nodeExpr+='[1]';break;}ns=ns.nextSibling;}}return nodeExpr;}var currentNode=window.getSelection().anchorNode;if(currentNode==null){alert("No selection");return;}var path=[];while(currentNode!=undefined){var pe=getNode(currentNode);if(pe!=null){path.push(pe);if(pe.indexOf('@id')!=-1)break;}currentNode=currentNode.parentNode;}var xpath="/"+path.reverse().join('/');alert(xpath);}o__o();