用javascript实现分割提取页面所需内容
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>文档</title>
<style>
textarea {
width:100%;
height:200px;
}
</style>
</head>
<body>
<textarea id="xxx">
<P><KBD class=showflash title=http://localhost/elearning/storeagemultimirror/multiMirror.swf> 正文正文<a href="javascript:;" onClick="javascript:tagshow(event, '%D0%E9%C4%E2%BB%AF');" target="_self"><u><strong>标签</strong></u>< /a>正文正文正文正文正文正文。</KBD><BR></P>
</textarea>
<input type="button" value="获取内容" onclick="getcontent();" />
<textarea id="aaa"></textarea>
<textarea id="bbb"></textarea>
<script>
function getcontent(){
var str=document.getElementById("xxx").value;
document.getElementById("aaa").value=str.match(/<KBD.+?title=["']?(.+?)[ '">]/i)[1];
document.getElementById("bbb").value=str.match(/<KBD.+?>((?:.|\n)+?)<\/KBD>/i)[1];
}
</script>
</body>
</html>
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