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timestampより経過時間を取得(JavaScript)
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// timestampより経過時間を取得 | |
function GetLapsedTime(timestamp) { | |
if (timestamp == "" || timestamp == null || timestamp == "0") { | |
return ""; | |
} | |
//timestampをdateに変換 | |
var d = new Date(timestamp * 1000); | |
var year = d.getFullYear(); | |
var month = d.getMonth() + 1; | |
var day = d.getDate(); | |
var hour = (d.getHours() < 10) ? '0' + d.getHours() : d.getHours(); | |
var min = (d.getMinutes() < 10) ? '0' + d.getMinutes() : d.getMinutes(); | |
var sec = (d.getSeconds() < 10) ? '0' + d.getSeconds() : d.getSeconds(); | |
var from = new Date(year + "/" + month + "/" + day + " " + hour + ":" + min + ":" + sec); | |
//現在時間(サーバ時間)経過時間取得用 | |
var now = new Date(); | |
//経過時間(秒)を取得 | |
var interval = (now - from); | |
var msecPerMinute = 1000 * 60; | |
var msecPerHour = msecPerMinute * 60; | |
var msecPerDay = msecPerHour * 24; | |
//経過時間表示文言作成 | |
var DayPeriod = Math.floor(interval / msecPerDay); | |
interval = interval - (DayPeriod * msecPerDay); | |
if (DayPeriod < 1) { | |
var HourPeriod = Math.floor(interval / msecPerHour); | |
interval = interval - (HourPeriod * msecPerHour); | |
if (HourPeriod < 1) { | |
var MinutePeriod = Math.floor(interval / msecPerMinute); | |
interval = interval - (MinutePeriod * msecPerMinute); | |
if (MinutePeriod < 1) { | |
var SecondPeriod = Math.floor(interval / 1000); | |
return SecondPeriod + "秒前"; | |
} | |
else { | |
return MinutePeriod + "分前"; | |
} | |
} | |
else { | |
return HourPeriod + "時間前"; | |
} | |
} | |
else if ((DayPeriod > 0) && (DayPeriod < 7)) { | |
return DayPeriod + "日前"; | |
} | |
else if (DayPeriod == 7) { | |
return "1週間前"; | |
} | |
else { | |
// "YYYY年MM月DD日"形式で表示 | |
return from.getFullYear() + "年" + convertNum((from.getMonth() + 1), 2) + "月" + convertNum(from.getDate(), 2) + "日"; | |
} | |
} |
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