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845天前//本功能纯属当前项目需要所写，有更好的方法欢迎大家留言探讨 |
//计算日期所在月份的起始和结束时间 |
function getMonthRange($date){ |
$ret=array(); |
$timestamp=strtotime($date); |
$mdays=date('t',$timestamp); |
$ret['sdate']=strtotime(date('Y-m-1 00:00:00',$timestamp)); |
$ret['edate']=strtotime(date('Y-m-'.$mdays.' 23:59:59',$timestamp)); |
return $ret; |
} |
//时间分段显示 |
function getTimePartRange($year,$month,$part){ //年、月，分组个数 |
$nyear = date('Y',time()); |
$nmonth = date('m',time()); |
$nday = date('d',time()); |
$retday = getMonthRange($year.'-'.$month.'-'.$nday); |
$sdate = date('d',$retday['sdate']); |
$edate = date('d',$retday['edate']); |
|
if($year==$nyear && $month==$nmonth){ |
$edate=$nday; |
} |
for($i=1;$i<=$edate;$i++){ |
$timeArray[] = $i; |
} |
$countAry = count($timeArray); |
$intAry = floor($countAry/$part); //舍去法取整,为0的时候，表示分组个数大于了日期数，多出的分组个数值为0 |
$modAry = $countAry%$part; //取余数 |
$modDay = $part-$modAry; //计算多余天数的分配起始位置 |
|
//将时间切割出时段 |
$z = 0; |
if($intAry!=0){ |
$d = $intAry; |
}else{ |
$d = 1; |
} |
for($i=1;$i<=$part;$i++){ |
$timePart[$i] = array_slice($timeArray,$z,$d); |
$z += $d; |
if($intAry!=0){ |
if($i == $modDay){ |
$d = $d+1; |
} |
} |
} |
|
return $timePart; |
} |
//调用实例 |
$timePart = getTimePartRange(2015,4,7); //年,月，分组个数 |
foreach($timePart as $k => $v){ |
$datePart[$k]['sdate'] = $year.'-'.$month.'-'.$v[0].' 00:00:00'; |
$datePart[$k]['edate'] = $year.'-'.$month.'-'.end($v).' 23:59:59'; |
} |
