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  • 计算2个日期之间的天数

    • 注意点:2个日期字符串的时间,不要全写' 00:00:00';
      如果全写' 00:00:00',在某些浏览器下会少算一天。
        // 返回值:一个数组,包含2个日期之间所有的天
        // startDateStr 和 endDateStr 格式:20171011
        getDaysBetweenArr: (startDateStr, endDateStr) => {
            var t1 = startDateStr.substr(0, 4) + '-' + (startDateStr.substr(4, 2)) + '-' + startDateStr.substr(6, 2) + ' 00:00:00'
            var t2 = endDateStr.substr(0, 4) + '-' + (endDateStr.substr(4, 2)) + '-' + endDateStr.substr(6, 2) + ' 23:00:00'
            var bd = new Date(t1.replace(/-/g, '/'))
            var be = new Date(t2.replace(/-/g, '/'))
            var bdTime = bd.getTime()
            var betime = be.getTime()
            var timediff = betime - bdTime
            var rangeDate = []
            for (var i = 0; i <= timediff; i += 86400000) {
                var ds = new Date(bdTime + i)
                var y = ds.getFullYear()
                var m = ds.getMonth() + 1 >= 10 ? ds.getMonth() + 1 : ('0' + (ds.getMonth() + 1))
                var d = ds.getDate() >= 10 ? ds.getDate() : ('0' + ds.getDate())
                rangeDate.push(y + '' + m + '' + d)
            }
            return rangeDate
        }
    
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  • 原文地址:https://www.cnblogs.com/cag2050/p/8560793.html
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