code: function getContent(p){
  	if(os.platform().indexOf('win32')>=0){
  		var http_url_reg = /^.+\\http:\\([^\\].+)$/;
  	} else {
  		var http_url_reg = /^.+\/http:\/([^\/].+)$/;
  	}
  	if(CTS[p]){
  		return CTS[p];
  	} else if(isFile(p)){
  		var bf = read(p);
  		return bf.toString('utf-8');
  	} else if(http_url_reg.test(p)){
  		var f_url = p.match(http_url_reg)[1];
  		if(os.platform().indexOf('win32') >= 0){
  			f_url = f_url.replace(/\\/ig,'/');
  		}
  		// 返回待替换的URL，由chunk去执行网络抓取和替换
  		var type = getType(f_url);
  		return '--#assets '+type+'="'+f_url+'" --';
  	} else {
  		return "<!-- " + p + " is not found! -->";
  	}
  }
docs: p:绝对路径