Created
January 31, 2012 12:57
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[AS3] Calculo da diferença entre 2 datas
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public static function dateDiff( date1:Date, date2:Date ) : String { | |
// calculando a diferença em milisegundos das datas | |
var sec:Number = date2.getTime() - date1.getTime(); | |
// verificando se a segunda data é inferior que a primeira | |
if( sec < 0 ) { | |
Alert.show( "The second date ocurred earlier than the first one!" ); | |
return null; | |
} | |
// variáveis auxiliares | |
var second:Number = 1000; | |
var minute:Number = 60 * second; | |
var hour:Number = 60 * minute; | |
var day:Number = 24 * hour; | |
// resultado em horas decimais | |
var rdh:Number = Math.ceil(sec / hour); | |
// resultado em minutos decimais | |
var rdm:Number = Math.ceil(sec / minute); | |
// resultado em segundos | |
var rds:Number = Math.ceil(sec / second); | |
var days:Number = Math.floor(sec / day); | |
sec -= days * day; | |
var hours:Number = Math.floor(sec / hour); | |
sec -= hours * hour; | |
var minutes:Number = Math.floor(sec / minute); | |
sec -= minutes * minute; | |
var seconds:Number = Math.floor(sec / second); | |
var out:String = | |
days + " day" + (days > 1 ? "s" : "") + ", " + | |
hours + " hour" + (hours > 1 ? "s" : "") + ", " + | |
minutes + " minute" + (minutes > 1 ? "s" : "") + ", " + | |
seconds + " second" + (seconds > 1 ? "s" : ""); | |
return out; | |
} | |
/*------------------*/ | |
// exemplo de uso | |
var dt1:Date = new Date(2006, 1, 22, 23, 40, 1); | |
var dt2:Date = new Date(2008, 2, 22, 23, 50, 50); | |
dateDiff( dt1, dt2 ); |
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