/* ** 时间戳显示为多少分钟前,多少天前的处理 ** eg. ** console.log(dateDiff(1411111111111)); // 2014年09月19日 ** console.log(dateDiff(1481111111111)); // 9月前 ** console.log(dateDiff(1499911111111)); // 2月前 ** console.log(dateDiff(1503211111111)); // 3周前 ** console.log(dateDiff(1505283100802)); // 1分钟前
** 参数timestamp自动补全13位数值(不到毫秒的)。 */ 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'; };
群里的一个小伙伴(NightEagle)写的,共享出来了,我就做个记录。
function getDateDiff(dateStr) { var publishTime = getDateTimeStamp(dateStr) / 1000, d_seconds, d_minutes, d_hours, d_days, timeNow = parseInt(new Date().getTime() / 1000), d, date = new Date(publishTime * 1000), Y = date.getFullYear(), M = date.getMonth() + 1, D = date.getDate(), H = date.getHours(), m = date.getMinutes(), s = date.getSeconds(); //小于10的在前面补0 if (M < 10) { M = '0' + M; } if (D < 10) { D = '0' + D; } if (H < 10) { H = '0' + H; } if (m < 10) { m = '0' + m; } if (s < 10) { s = '0' + s; } d = timeNow - publishTime; d_days = parseInt(d / 86400); d_hours = parseInt(d / 3600); d_minutes = parseInt(d / 60); d_seconds = parseInt(d); if (d_days > 0 && d_days < 3) { return d_days + '天前'; } else if (d_days <= 0 && d_hours > 0) { return d_hours + '小时前'; } else if (d_hours <= 0 && d_minutes > 0) { return d_minutes + '分钟前'; } else if (d_seconds < 60) { if (d_seconds <= 0) { return '刚刚'; } else { return d_seconds + '秒前'; } } else if (d_days >= 3 && d_days < 30) { return M + '-' + D + ' ' + H + ':' + m; } else if (d_days >= 30) { return Y + '-' + M + '-' + D + ' ' + H + ':' + m; } } function getDateTimeStamp(dateStr) { return Date.parse(dateStr.replace(/-/gi, "/")); }