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js 根据时间，输出几分钟前，几小时前，几天前，几个月前，几年前。 console.log(getDateDiff("2020-12-16 12:12:12")); 输出结果：2小时前

发布时间 2023-07-12 18:07:58作者: sunny123456

js 根据时间，输出几分钟前，几小时前，几天前，几个月前，几年前。
原文链接：https://blog.csdn.net/qq_42740797/article/details/111277824

代码1：

  1. // 时间戳转多少分钟之前
  2. function getDateDiff(dateTimeStamp) {
  3.     // 时间字符串转时间戳
  4.     var timestamp = new Date(dateTimeStamp).getTime();
  5.     var minute = 1000 * 60;
  6.     var hour = minute * 60;
  7.     var day = hour * 24;
  8.     var halfamonth = day * 15;
  9.     var month = day * 30;
  10.     var year = day * 365;
  11.     var now = new Date().getTime();
  12.     var diffValue = now - timestamp;
  13.     var result;
  14.     if (diffValue < 0) {
  15.         return;
  16.     }
  17.     var yearC = diffValue / year;
  18.     var monthC = diffValue / month;
  19.     var weekC = diffValue / (7 * day);
  20.     var dayC = diffValue / day;
  21.     var hourC = diffValue / hour;
  22.     var minC = diffValue / minute;
  23.     if (yearC >= 1) {
  24.         result = "" + parseInt(yearC) + "年前";
  25.     } else if (monthC >= 1) {
  26.         result = "" + parseInt(monthC) + "月前";
  27.     } else if (weekC >= 1) {
  28.         result = "" + parseInt(weekC) + "周前";
  29.     } else if (dayC >= 1) {
  30.         result = "" + parseInt(dayC) + "天前";
  31.     } else if (hourC >= 1) {
  32.         result = "" + parseInt(hourC) + "小时前";
  33.     } else if (minC >= 1) {
  34.         result = "" + parseInt(minC) + "分钟前";
  35.     } else
  36.         result = "刚刚";
  37.     return result;
  38. }
  39. console.log(getDateDiff("2020-12-16 12:12:12"));

测试时间：2020年12月16日14:30:21，输出结果：2小时前。

代码2：

  1. function getDateDiff(dateStr) {
  2.         var publishTime = getDateTimeStamp(dateStr) / 1000,
  3.         d_seconds,
  4.         d_minutes,
  5.         d_hours,
  6.         d_days,
  7.         timeNow = parseInt(new Date().getTime() / 1000),
  8.         d,
  9.  
  10.         date = new Date(publishTime * 1000),
  11.         Y = date.getFullYear(),
  12.         M = date.getMonth() + 1,
  13.         D = date.getDate(),
  14.         H = date.getHours(),
  15.         m = date.getMinutes(),
  16.         s = date.getSeconds();
  17.         //小于10的在前面补0
  18.         if (M < 10) {
  19.                 M = '0' + M;
  20.         }
  21.         if (D < 10) {
  22.                 D = '0' + D;
  23.         }
  24.         if (H < 10) {
  25.                 H = '0' + H;
  26.         }
  27.         if (m < 10) {
  28.                 m = '0' + m;
  29.         }
  30.         if (s < 10) {
  31.                 s = '0' + s;
  32.         }
  33.  
  34.         d = timeNow - publishTime;
  35.         d_days = parseInt(d / 86400);
  36.         d_hours = parseInt(d / 3600);
  37.         d_minutes = parseInt(d / 60);
  38.         d_seconds = parseInt(d);
  39.  
  40.         if (d_days > 0 && d_days < 3) {
  41.                 return d_days + '天前';
  42.         } else if (d_days <= 0 && d_hours > 0) {
  43.                 return d_hours + '小时前';
  44.         } else if (d_hours <= 0 && d_minutes > 0) {
  45.                 return d_minutes + '分钟前';
  46.         } else if (d_seconds < 60) {
  47.                 if (d_seconds <= 0) {
  48.                         return '刚刚';
  49.                 } else {
  50.                         return d_seconds + '秒前';
  51.                 }
  52.         } else if (d_days >= 3 && d_days < 30) {
  53.                 return M + '-' + D + ' ' + H + ':' + m;
  54.         } else if (d_days >= 30) {
  55.                 return Y + '-' + M + '-' + D + ' ' + H + ':' + m;
  56.         }
  57. }
  58.  
  59. function getDateTimeStamp(dateStr) {
  60.           // 如果时间格式为2020/07/09 21:43:19.000  需要去掉.000 不然ios和firefox会有问题
  61. return Date.parse(dateStr.replace(/-/gi, "/"));
  62. }　　
  63.  
  64. console.log(this.getDateDiff("2020-07-03 10:03:19.000"));