lib/utils.js
function(text) {
		text = escape(text.toString()).replace(/\+/g, "%2B");
		var matches = text.match(/(%([0-9A-F]{2}))/gi);
		if (matches) {
			for (var matchid = 0; matchid < matches.length; matchid++) {
				var code = matches[matchid].substring(1, 3);
				if (parseInt(code, 16) >= 128) {
					text = text.replace(matches[matchid], '%u00' + code);
				}
			}
		}
		text = text.replace('%25', '%u0025');

		return text;
	}
function(text) {
		text = escape(text.toString()).replace(/\+/g, "%2B");
		var matches = text.match(/(%([0-9A-F]{2}))/gi);
		if (matches) {
			for (var matchid = 0; matchid < matches.length; matchid++) {
				var code = matches[matchid].substring(1, 3);
				if (parseInt(code, 16) >= 128) {
					text = text.replace(matches[matchid], '%u00' + code);
				}
			}
		}
		text = text.replace('%25', '%u0025');

		return text;
	}
中文转unicode