参考地址：http://www.planabc.net/2011/05/31/simple_javascript_template_substitute/
源码：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript">
function substitute (str, obj) {
alert("456");
if (!(Object.prototype.toString.call(str) === '[object String]')) {
return '';
}
// {}, new Object(), new Class()
// Object.prototype.toString.call(node=document.getElementById("xx")) : ie678 == '[object Object]', other =='[object HTMLElement]'
// 'isPrototypeOf' in node : ie678 === false , other === true
if(!(Object.prototype.toString.call(obj) === '[object Object]' && 'isPrototypeOf' in obj)) {
return str;
}
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/String/replace
return str.replace(/\{([^{}]+)\}/g, function(match, key) {
var value = obj[key];
return ( value !== undefined) ? ''+value :'';
});
}
var obj = {
url: "http://www.plannabc.net/",
title: "落草为根——专注前端技术&关注用户体验",
text: "怿飞's Blog"
};
var link = '<a href="{url}" title="{title}">{text}</a>';
$(function(){
alert(substitute(link, obj));
});
</script>
</head>
<body>
</body>
</html>
完