<!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>
<title>Click to Text</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="zh-CN" />
<script type="text/javascript" src="http://demo.jb51.net/jslib/jquery/jquery-1.6.2.min.js"></script>
</head>
<body>
<div id="clickContain">
<a href="https://www.jb51.net">脚本之家</a>
<a href="http://www.baidu.com">百度</a>
<a href="http://www.qq.com">QQ</a>
<a href="http://www.sina.com.cn">新浪</a>
<a href="http://www.sina.com.cn">abc</a>
</div>
<div id="textContain">
<textarea rows="10" cols="50"></textarea>
</div>
<script type="text/javascript">
$(document).ready(function(){
var textareaContain = $("#textContain textarea").eq(0);
//单击插入链接
$("#clickContain a").click(function(){
if(!$(this).hasClass('lock')) {
var p = eval('/<a(?:.*)'+$(this).html()+'(?:.*)a>/i');
var addString = $(this).parent().html().match(p); //正则提取<a>标签
if(!!addString) addString = addString[0]+'\n'; //正则匹配后的[0]是全部匹配的值，加入换行\n
textareaContain.val(textareaContain.val()+addString);
$(this).addClass('lock'); //阻止第二次点击
}
return false;
});
//双击删除链接
$("#clickContain a").dblclick(function(){
$(this).attr('class',null); //删除整个class属性，以免出现class=""
var p = eval('/<a(?:.*)'+$(this).html()+'(?:.*)a>(\\n*)/gi');
textareaContain.val(textareaContain.val().replace(p,''));
return false;
});
});
</script>
</body>
</html>