var dateDiff = function (timestamp) {                            // 补全为13位                            var arrTimestamp = (timestamp + '').split('');                            for (var start = 0; start < 13; start++) {                                if (!arrTimestamp[start]) {                                    arrTimestamp[start] = '0';                                }                            }                            timestamp = arrTimestamp.join('') * 1;                            var minute = 1000 * 60;                            var hour = minute * 60;                            var day = hour * 24;                            var halfamonth = day * 15;                            var month = day * 30;                            var now = new Date().getTime();                            var diffValue = now - timestamp;                            // 如果本地时间反而小于变量时间                            if (diffValue < 0) {                                return '不久前';                            }                            // 计算差异时间的量级                            var monthC = diffValue / month;                            var weekC = diffValue / (7 * day);                            var dayC = diffValue / day;                            var hourC = diffValue / hour;                            var minC = diffValue / minute;                            // 数值补0方法                            var zero = function (value) {                                if (value < 10) {                                    return '0' + value;                                }                                return value;                            };                            // 使用                            if (monthC > 12) {                                // 超过1年，直接显示年月日                                return (function () {                                    var date = new Date(timestamp);                                    return date.getFullYear() + '年' + zero(date.getMonth() + 1) + '月' + zero(date.getDate()) + '日';                                })();                            } else if (monthC >= 1) {                                return parseInt(monthC) + "月前";                            } else if (weekC >= 1) {                                return parseInt(weekC) + "周前";                            } else if (dayC >= 1) {                                return parseInt(dayC) + "天前";                            } else if (hourC >= 1) {                                return parseInt(hourC) + "小时前";                            } else if (minC >= 1) {                                return parseInt(minC) + "分钟前";                            }                            return '刚刚';                        };