日期时间过滤

自定义格式

 1 filters: {
 2     formatDate: function(val, fmt) {
 3       let value = parseInt(val);
 4       if (!value) return "几天前";
 5       let getDate = new Date(value * 1000);
 6       let o = {
 7         "M+": getDate.getMonth() + 1,
 8         "d+": getDate.getDate(),
 9         "h+": getDate.getHours(),
10         "m+": getDate.getMinutes(),
11         "s+": getDate.getSeconds(),
12         "q+": Math.floor((getDate.getMonth() + 3) / 3),
13         S: getDate.getMilliseconds()
14       };
15       if (/(y+)/.test(fmt)) {
16         fmt = fmt.replace(
17           RegExp.$1,
18           (getDate.getFullYear() + "").substr(4 - RegExp.$1.length)
19         );
20       }
21       for (let k in o) {
22         if (new RegExp("(" + k + ")").test(fmt)) {
23           fmt = fmt.replace(
24             RegExp.$1,
25             RegExp.$1.length === 1
26               ? o[k]
27               : ("00" + o[k]).substr(("" + o[k]).length)
28           );
29         }
30       }
31       return fmt;
32     }
33   }

评论相关时间过滤

 1 /**
 2  * 转换时间
 3  * 24小时内的，显示为x小时前；
 4  * 超过24小时的，显示为x天前；
 5  * 超过一周的，显示月日；
 6  * 今年之前的，显示年月日
 7  * @param {时间戳} timespan 
 8  * @param {*} istime 
 9  */
10 export function formatDate(timespan, istime = false) {
11   // 解决在ios设备上时间出现NAN的问题
12   timespan = String(timespan).replace(/\-/g, "/");
13   timespan = new Date(Date.parse(timespan)).getTime();
14 
15   // timespan = 1530518642787;
16   var dateTime = new Date(timespan);
17   var year = dateTime.getFullYear();
18   var month = dateTime.getMonth() + 1;
19   var day = dateTime.getDate();
20   var hour = dateTime.getHours();
21   var minute = dateTime.getMinutes();
22   var second = dateTime.getSeconds();
23   var now = new Date();
24   // var now_new = Date.parse(now.toDateString()); //typescript转换写法
25   var now_new = now.getTime();
26   var milliseconds = 0;
27   var timeSpanStr;
28   milliseconds = now_new - timespan;
29   if (milliseconds <= 1000 * 60 * 1) {
30     timeSpanStr = '刚刚';
31   } else if (1000 * 60 * 1 < milliseconds && milliseconds <= 1000 * 60 * 60) {
32     timeSpanStr = Math.round((milliseconds / (1000 * 60))) + '分钟前';
33   } else if (1000 * 60 * 60 * 1 < milliseconds && milliseconds <= 1000 * 60 * 60 * 24) {
34     timeSpanStr = Math.round(milliseconds / (1000 * 60 * 60)) + '小时前';
35   } else if (1000 * 60 * 60 * 24 < milliseconds && milliseconds <= 1000 * 60 * 60 * 24 * 7) {
36     timeSpanStr = Math.round(milliseconds / (1000 * 60 * 60 * 24)) + '天前';
37   } else if (milliseconds > 1000 * 60 * 60 * 24 * 7 && year == now.getFullYear()) {
38       timeSpanStr = month + '-' + day;
39   } else {
40     timeSpanStr = year + '-' + padZero(month) + '-' + padZero(day);
41   }
42   //  else if (milliseconds > 1000 * 60 * 60 * 24 * 15 && year == now.getFullYear()) {
43   //     timeSpanStr = month + '-' + day + ' ' + hour + ':' + minute;
44   // } else {
45   //     timeSpanStr = year + '-' + month + '-' + day + ' ' + hour + ':' + minute;
46   // }
47   return timeSpanStr;
48 }