毫秒转日期

        //毫秒转标准日期
        function formateDate(time, format){
                    var t = new Date(time);
                    var tf = function(i){return (i < 10 ? '0' : '') + i};
                    return format.replace(/yyyy|MM|dd|HH|mm|ss/g, function(a){
                        switch(a){
                            case 'yyyy':
                                return tf(t.getFullYear());
                                break;
                            case 'MM':
                                return tf(t.getMonth() + 1);
                                break;
                            case 'mm':
                                return tf(t.getMinutes());
                                break;
                            case 'dd':
                                return tf(t.getDate());
                                break;
                            case 'HH':
                                return tf(t.getHours());
                                break;
                            case 'ss':
                                return tf(t.getSeconds());
                                break;
                        }
                    })
        }