【JavaScript】Js将日期格式转成几个月前、几周前、几天前、几小时前、刚刚等

翻滚的胖子
2020-09-16 17:04:04
前端技术
HTML JavaScript APICloud

代码奉上：（特殊需求可自行魔改）

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
    <script>        
        var pretime = "2020-09-09 13:14:15";
        
        var minute = 1000 * 60;
        var hour = minute * 60;
        var day = hour * 24;
        var halfamonth = day * 15;
        var month = day * 30;
        
        //这是第一次打开页面时调用
        getDate(pretime);
        
        //然后再每隔一分钟更新一次时间
        setInterval(function() {
            getDate(pretime);
        }, 60000);
        
        function getDate(dateTimeStamp){
                
            if(dateTimeStamp==undefined){

                return false;
            }else{
                dateTimeStamp = dateTimeStamp.replace(/\-/g, "/");
                
                var sTime = new Date(dateTimeStamp).getTime();//把时间pretime的值转为时间戳
                
                var now = new Date().getTime();//获取当前时间的时间戳
                
                var diffValue = now - sTime;
                
                if(diffValue < 0){
                    console.log("结束日期不能小于开始日期！");
                }
                
                var monthC = diffValue/month;
                var weekC = diffValue/(7*day);
                var dayC = diffValue/day;
                var hourC = diffValue/hour;
                var minC = diffValue/minute;
                
                if(monthC >= 1){
                    console.log(parseInt(monthC) + "个月前");
                }else if(weekC >= 1){
                    console.log(parseInt(weekC) + "周前")
                }else if(dayC >= 1){
                    console.log(parseInt(dayC) + "天前")
                }else if(hourC >= 1){
                    console.log(parseInt(hourC) + "个小时前")
                }else if(minC >= 1){
                    console.log(parseInt(minC) + "分钟前")
                }else{
                    console.log("刚刚")
                }
            }
                
        }
    </script>
    </body>
</html>

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