var Eop = Eop || {};
Eop.Util = {};

/**
 * 将一个json对象转为字串
 */
Eop.Util.jsonToString = function(obj) {
	var THIS = this;
	switch (typeof (obj)) {
	case 'string':
		return '"' + obj.replace(/(["\\])/g, '\\$1') + '"';
	case 'array':
		return '[' + obj.map(THIS.jsonToString).join(',') + ']';
	case 'object':
		if (obj instanceof Array) {
			var strArr = [];
			var len = obj.length;
			for ( var i = 0; i < len; i++) {
				strArr.push(THIS.jsonToString(obj[i]));
			}
			return '[' + strArr.join(',') + ']';
		} else if (obj == null) {
			return 'null';

		} else {
			var string = [];
			for ( var property in obj)
				string.push(THIS.jsonToString(property) + ':'
						+ THIS.jsonToString(obj[property]));
			return '{' + string.join(',') + '}';
		}
	case 'number':
		return obj;
	case false:
		return obj;
	}
}