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Internet Explorer - XML Êý¾Ýµº

ËüÊÇʲô£¿XML Êý¾Ýµº£¨XML Data Islands£©ÊÇǶÈë HTML Ò³ÃæÖÐµÄ XML Êý¾Ý¡£

ΪʲôҪ±ÜÃâʹÓÃËü£¿XML Êý¾ÝµºÖ»ÔÚ Internet Explorer ä¯ÀÀÆ÷ÖÐÓÐЧ¡£

ÓÃʲô´úÌæËü£¿ÄúÓ¦µ±ÔÚ HTML ÖÐʹÓà JavaScript ºÍ XML DOM À´½âÎö²¢ÏÔʾ XML¡£

ÈçÐè¸ü¶àÓÐ¹Ø JavaScript ºÍ XML DOM µÄÐÅÏ¢£¬Çë·ÃÎÊ w3school µÄ XML DOM ½Ì³Ì¡£

XML Êý¾ÝµºÊµÀý

±¾ÀýʹÓà XML Îĵµ "cd_catalog.xml"¡£

°Ñ XML Îĵµ°ó¶¨µ½ HTML ÎĵµÖеÄÒ»¸ö <xml> ±êÇ©¡£id ÊôÐÔ¶¨ÒåÊý¾ÝµºµÄ±êʶ·û£¬¶ø src ÊôÐÔÖ¸Ïò XML Îļþ£º

<html>
<body>

<xml id="cdcat" src="cd_catalog.xml"></xml>

<table border="1" datasrc="#cdcat">
<tr>
<td><span datafld="ARTIST"></span></td>
<td><span datafld="TITLE"></span></td>
</tr>
</table>

</body>
</html>

<table> ±êÇ©µÄ datasrc ÊôÐÔ°Ñ HTML ±í¸ñ°ó¶¨µ½ XML Êý¾Ýµº¡£

<span> ±êÇ©ÔÊÐí datafld ÊôÐÔÒýÓÃÒªÏÔʾµÄ XML ÔªËØ¡£ÔÚÕâ¸öÀý×ÓÖУ¬ÒªÒýÓõÄÊÇ "ARTIST" ºÍ "TITLE"¡£µ±¶ÁÈ¡ XML ʱ£¬»áΪÿ¸ö <CD> ÔªËØ´´½¨ÏàÓ¦µÄ±í¸ñÐС£

Èç¹ûÄúÕýÔÚʹÓà Internet Explorer£¬¿ÉÒÔÇ××ÔÊÔÒ»ÊÔ¡£

Internet Explorer - ÐÐΪ

ËüÊÇʲô£¿Internet Explorer 5 ÒýÈëÁËÐÐΪ£¨behaviors£©¡£Behaviors ÊÇͨ¹ýʹÓà CSS ÑùʽÏò XML £¨»ò HTML £©ÔªËØÌí¼ÓÐÐΪµÄÒ»ÖÖ·½·¨¡£

ΪʲôҪ±ÜÃâʹÓÃËü£¿Ö»ÓÐ Internet Explorer Ö§³Ö behavior ÊôÐÔ¡£

ʹÓÃʲô´úÌæËü£¿Ê¹Óà JavaScript ºÍ XML DOM £¨»ò HTML DOM£©À´´úÌæËü¡£

ʵÀý

Àý×Ó 1 - Mouseover Highlight

ÏÂÃæµÄ HTML ÎļþÖÐµÄ <style> ÔªËØÎª <h1> ÔªËØ¶¨ÒåÁËÒ»¸öÐÐΪ£º

<html>
<head>
<style type="text/css">
h1 { behavior: url(behave.htc) }
</style>
</head>

<body>
<h1>Mouse over me!!!</h1>
</body>
</html>

ÒÔÏÂÊÇ XML Îĵµ "behave.htc"£º

<attach for="element" event="onmouseover" handler="hig_lite" />
<attach for="element" event="onmouseout" handler="low_lite" />

<script type="text/javascript">
function hig_lite()
{
element.style.color='red';
}

function low_lite()
{
element.style.color='blue';
}
</script>

Õâ¸ö behavior Îļþ°üº¬ÁËÒ»¶Î JavaScript£¬ÒÔ¼°Õë¶ÔÔªËØµÄʼþ¾ä±ú¡£

Ç××ÔÊÔÒ»ÊÔ £¨Çë°ÑÊó±êÒÆµ½Àý×ÓÖеÄÎı¾ÉÏ£©£¨ÇëÔÚ IE ä¯ÀÀÆ÷ÖвâÊÔ±¾Àý£©¡£

Àý×Ó 2 - ´ò×Ö»úÄ£Äâ

ÏÂÃæµÄ HTML ÎļþÖÐµÄ <style> ÔªËØÎª id Ϊ "typing" µÄÔªËØ¶¨ÒåÁËÒ»¸öÐÐΪ£º

<html>
<head>
<style type="text/css">
#typing
{
behavior:url(typing.htc);
font-family:'courier new';
}
</style>
</head>

<body>
<span id="typing" speed="100">IE5 introduced DHTML behaviors.
Behaviors are a way to add DHTML functionality to HTML elements
with the ease of CSS.<br /><br />How do behaviors work?<br />
By using XML we can link behaviors to any element in a web page
and manipulate that element.</p>
</span>
</body>
</html>

ÒÔÏÂÊÇ XML Îĵµ "typing.htc"£º

<attach for="window" event="onload" handler="beginTyping" />
<method name="type" />

<script type="text/javascript">
var i,text1,text2,textLength,t;

function beginTyping()
{
i=0;
text1=element.innerText;
textLength=text1.length;
element.innerText="";
text2="";
t=window.setInterval(element.id+".type()",speed);
}

function type()
{
text2=text2+text1.substring(i,i+1);
element.innerText=text2;
i=i+1;
if (i==textLength)
  {
  clearInterval(t);
  }
}
</script>

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