偶像的代码,膜拜中...

// Simple JavaScript Templating

// John Resig - http://ejohn.org/ - MIT Licensed

(function(){

  var cache = {};

 

  this.tmpl = function tmpl(str, data){

    // Figure out if we're getting a template, or if we need to

    // load the template - and be sure to cache the result.

    var fn = !/\W/.test(str) ?

      cache[str] = cache[str] ||

        tmpl(document.getElementById(str).innerHTML) :

     

      // Generate a reusable function that will serve as a template

      // generator (and which will be cached).

      new Function("obj",

        "var p=[],print=function(){p.push.apply(p,arguments);};" +

       

        // Introduce the data as local variables using with(){}

        "with(obj){p.push('" +

       

        // Convert the template into pure JavaScript

        str

          .replace(/[\r\t\n]/g, " ")

          .split("<%").join("\t")

          .replace(/((^|%>)[^\t]*)'/g, "$1\r")

          .replace(/\t=(.*?)%>/g, "',$1,'")

          .split("\t").join("');")

          .split("%>").join("p.push('")

          .split("\r").join("\\'")

      + "');}return p.join('');");

   

    // Provide some basic currying to the user

    return data ? fn( data ) : fn;

  };

})();

 

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