对Extjs 时间格式转换 前端可识别的时间格式

Ext.data.Types.ISO8601 = {
    convert: function (v, data) {
        function toISO8601(string) {
            //var regexp = "([0-9]{4})(-([0-9]{2})(-([0-9]{2})(T([0-9]{2}):([0-9]{2})(:([0-9]{2})(.([0-9]+))?)?(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?";
            var regexp = "([0-9]{4})(-([0-9]{2})(-([0-9]{2})(T([0-9]{2}):([0-9]{2})(:([0-9]{2}))?(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?";
            if (string) {
                var d = string.match(new RegExp(regexp));
                var offset = 0;
                var date = new Date(d[1], 0, 1);
                if (d[3]) {
                    date.setMonth(d[3] - 1);
                }
                if (d[5]) {
                    date.setDate(d[5]);
                }
                if (d[7]) {
                    date.setHours(d[7]);
                }
                if (d[8]) {
                    date.setMinutes(d[8]);
                }
                if (d[10]) {
                    date.setSeconds(d[10]);
                }
                if (d[12]) {
                    offset = (Number(d[14]) * 60) + Number(d[15]);
                    offset *= ((d[13] == '-') ? 1 : -1);
                }
                offset -= date.getTimezoneOffset();
                time = (Number(date) + (offset * 60 * 1000));
                var d = new Date();
                d.setTime(Number(time));
                return d;
            }
        }
        if (Ext.isString(v)) return toISO8601(v);
        if (Ext.isDate(v)) return v;
        if (v) return toISO8601(v.toString());
    }
   , sortType: function (v) {
       return this.convert(v);
   }
   , type: "iso8601"
}