问一下,谁有计算某日所属的当周内的其他日期的函数 可以转化为时间的毫秒数来计算,通过调用函数解决,getdate ,date等等 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <?//日期特殊操作控制类//宇凡 8月15日?><? //获取"YYYY-mm-dd"格式的当前时间 function NowDate() { $result = date("Y")."-".date("m")."-".date("d"); return $result; } //获取"YYYY-mm-dd HH:ii:ss"格式的当前时间 function NowDateTime() { $result = date("Y")."-".date("m")."-".date("d")." ".date("H").":".date("i").":".date("s"); return $result; } //从"YYYY-mm-dd"格式的时间中提取年 function GetYear($Date) { $pos = strpos($Date,"-"); $result = ""; for ($i=0;$i<$pos;$i++) { $result = $result.$Date[$i]; } $month = GetMonth($Date); $day = GetDay($Date); if (!checkdate($month,$day,$result)) { $result = false; } return $result; } //从"YYYY-mm-dd"格式的时间中提取月 function GetMonth($Date) { $pos1 = strpos($Date,"-"); $pos2 = strrpos($Date,"-"); $result = ""; for ($i=$pos1+1;$i<$pos2;$i++) { $result = $result.$Date[$i]; } $year = GetYear($Date); $day = GetDay($Date); if (!checkdate($result,$day,$year)) { $result = false; } return $result; } //从"YYYY-mm-dd"格式的时间中提取日 function GetDay($Date) { $pos = strrpos($Date,"-"); $result = ""; for ($i=$pos+1;$i<10;$i++) { $result = $result.$Date[$i]; } $year = GetYear($Date); $month = GetDay($Date); if (!checkdate($month,$result,$year)) { $result = false; } return $result; return $result; } //检查闰年,返回布尔值 function CheckLeap($year) { $result = (($year % 4 == 0) && (($year % 100 <> 0) || ($year % 400 == 0))); return $result; } //在当前日期上加天数 返回"YYYY-mm-dd"格式的时间 function AddDay($offset) { $year=date("Y"); $month=date("m"); $day=date("d"); for ($i=0;$i<$offset;$i++) { switch ($month) { case 1: { if ($day==31) { $day = 1; $month = 2; } else { $day=$day + 1; } } break; case 2: { if (CheckLeap($year)) { if ($day == 29) { $day = 1; $month = 3; } else { $day=$day + 1; } } else { if ($day == 28) { $day = 1; $month = 3; } else { $day=$day + 1; } } } break; case 3: { if ($day==31) { $day = 1; $month = 4; } else { $day=$day + 1; } } break; case 4: { if ($day==30) { $day = 1; $month = 5; } else { $day=$day + 1; } } break; case 5: { if ($day==31) { $day = 1; $month = 6; } else { $day=$day + 1; } } break; case 6: { if ($day==30) { $day = 1; $month = 7; } else { $day=$day + 1; } } break; case 7: { if ($day==31) { $day = 1; $month = 8; } else { $day=$day + 1; } } break; case 8: { if ($day==31) { $day = 1; $month = 9; } else { $day=$day + 1; } } break; case 9: { if ($day==30) { $day = 1; $month = 10; } else { $day=$day + 1; } } break; case 10: { if ($day==31) { $day = 1; $month = 11; } else { $day=$day + 1; } } break; case 11: { if ($day==30) { $day = 1; $month = 12; } else { $day=$day + 1; } } break; case 12: { if ($day==31) { $day = 1; $month = 1; $year = $year + 1; } else { $day=$day + 1; } } } } $result=$year."-".$month."-".$day; return $result; } //在当前日期上减天数 返回"YYYY-mm-dd"格式的时间 function AbateDay($offset) { $year=date("Y"); $month=date("m"); $day=date("d"); for ($i=0;$i<$offset;$i++) { switch ($month) { case 1: { if ($day==1) { $day = 31; $month = 12; $year = $year - 1; } else { $day=$day - 1; } } break; case 2: { if ($day == 1) { $day = 31; $month = 1; } else { $day=$day - 1; } } break; case 3: { if ($day == 1) { if (CheckLeap($year)) { $day = 29; } else { $day = 28; } $month = 2; } else { $day=$day - 1; } } break; case 4: { if ($day == 1) { $day = 31; $month = 3; } else { $day=$day - 1; } } break; case 5: { if ($day == 1) { $day = 30; $month = 4; } else { $day=$day - 1; } } break; case 6: { if ($day == 1) { $day = 31; $month = 5; } else { $day=$day - 1; } } break; case 7: { if ($day == 1) { $day = 30; $month = 6; } else { $day=$day - 1; } } break; case 8: { if ($day == 1) { $day = 31; $month = 7; } else { $day=$day - 1; } } break; case 9: { if ($day == 1) { $day = 31; $month = 8; } else { $day=$day - 1; } } break; case 10: { if ($day == 1) { $day = 30; $month = 9; } else { $day=$day - 1; } } break; case 11: { if ($day == 1) { $day = 31; $month = 10; } else { $day=$day - 1; } } break; case 12: { if ($day == 1) { $day = 30; $month = 11; } else { $day=$day - 1; } } } } $result=$year."-".$month."-".$day; return $result; } //获取当前周第一天 返回"YYYY-mm-dd"格式的时间 function FirstDayOfThisWeek() { $offset=date("w"); if ($offset==0) { $offset=7; } $offset--; $result = AbateDay($offset); return $result; } //获取当前周最后一天 返回"YYYY-mm-dd"格式的时间 function LastDayOfThisWeek() { $offset=date("w"); if ($offset==0) { $offset=7; } $offset = 7 - $offset; $result = AddDay($offset); return $result; } //获取指定月的天数 function DaysAmountOfThisMonth($month,$year) { switch ($month) { case 1: $result = 31; break; case 2: { if (CheckLeap($year)) { $result = 29; } else { $result = 28; } break; } case 3: $result = 31; break; case 4: $result = 30; break; case 5: $result = 31; break; case 6: $result = 30; break; case 7: $result = 31; break; case 8: $result = 31; break; case 9: $result = 30; break; case 10: $result = 31; break; case 11: $result = 30; break; case 12: $result = 31; break; } return $result; }?> 织梦模板的路径配置文件在哪 php+mysql 清家当产 跪求帮助!在线等~ php用vc++打包 用GET传递参数的问题 请问有没有什么著名的PHP书籍既有中文版又有英文版的?并且都有电子版可下? 聊天时如何实现悄悄话功能 在php中怎么设置user表。 用php编程实现将txt,doc等文件转化成pdf格式. HELP!!!关于PHP上运行DBA函数的问题!! 如何开发PHP的DLL函数库。 怎么输入格式化的字符串! 如何知道一个目录下又多少个文件?
//日期特殊操作控制类
//宇凡 8月15日
?>
<?
//获取"YYYY-mm-dd"格式的当前时间
function NowDate()
{
$result = date("Y")."-".date("m")."-".date("d");
return $result;
} //获取"YYYY-mm-dd HH:ii:ss"格式的当前时间
function NowDateTime()
{
$result = date("Y")."-".date("m")."-".date("d")." ".date("H").":".date("i").":".date("s");
return $result;
} //从"YYYY-mm-dd"格式的时间中提取年
function GetYear($Date)
{
$pos = strpos($Date,"-");
$result = "";
for ($i=0;$i<$pos;$i++)
{
$result = $result.$Date[$i];
}
$month = GetMonth($Date);
$day = GetDay($Date);
if (!checkdate($month,$day,$result))
{
$result = false;
}
return $result;
} //从"YYYY-mm-dd"格式的时间中提取月
function GetMonth($Date)
{
$pos1 = strpos($Date,"-");
$pos2 = strrpos($Date,"-");
$result = "";
for ($i=$pos1+1;$i<$pos2;$i++)
{
$result = $result.$Date[$i];
}
$year = GetYear($Date);
$day = GetDay($Date);
if (!checkdate($result,$day,$year))
{
$result = false;
}
return $result;
} //从"YYYY-mm-dd"格式的时间中提取日
function GetDay($Date)
{
$pos = strrpos($Date,"-");
$result = "";
for ($i=$pos+1;$i<10;$i++)
{
$result = $result.$Date[$i];
}
$year = GetYear($Date);
$month = GetDay($Date);
if (!checkdate($month,$result,$year))
{
$result = false;
}
return $result;
return $result;
} //检查闰年,返回布尔值
function CheckLeap($year)
{
$result = (($year % 4 == 0) && (($year % 100 <> 0) || ($year % 400 == 0)));
return $result;
}
//在当前日期上加天数 返回"YYYY-mm-dd"格式的时间
function AddDay($offset)
{
$year=date("Y");
$month=date("m");
$day=date("d");
for ($i=0;$i<$offset;$i++)
{
switch ($month) {
case 1:
{
if ($day==31) {
$day = 1;
$month = 2;
}
else {
$day=$day + 1;
}
}
break;
case 2:
{
if (CheckLeap($year)) {
if ($day == 29) {
$day = 1;
$month = 3;
}
else {
$day=$day + 1;
}
}
else {
if ($day == 28) {
$day = 1;
$month = 3;
}
else {
$day=$day + 1;
}
}
}
break;
case 3:
{
if ($day==31) {
$day = 1;
$month = 4;
}
else {
$day=$day + 1;
}
}
break;
case 4:
{
if ($day==30) {
$day = 1;
$month = 5;
}
else {
$day=$day + 1;
}
}
break;
case 5:
{
if ($day==31) {
$day = 1;
$month = 6;
}
else {
$day=$day + 1;
}
}
break;
case 6:
{
if ($day==30) {
$day = 1;
$month = 7;
}
else {
$day=$day + 1;
}
}
break;
case 7:
{
if ($day==31) {
$day = 1;
$month = 8;
}
else {
$day=$day + 1;
}
}
break;
case 8:
{
if ($day==31) {
$day = 1;
$month = 9;
}
else {
$day=$day + 1;
}
}
break;
case 9:
{
if ($day==30) {
$day = 1;
$month = 10;
}
else {
$day=$day + 1;
}
}
break;
case 10:
{
if ($day==31) {
$day = 1;
$month = 11;
}
else {
$day=$day + 1;
}
}
break;
case 11:
{
if ($day==30) {
$day = 1;
$month = 12;
}
else {
$day=$day + 1;
}
}
break;
case 12:
{
if ($day==31) {
$day = 1;
$month = 1;
$year = $year + 1;
}
else {
$day=$day + 1;
}
}
}
}
$result=$year."-".$month."-".$day;
return $result;
} //在当前日期上减天数 返回"YYYY-mm-dd"格式的时间
function AbateDay($offset)
{
$year=date("Y");
$month=date("m");
$day=date("d");
for ($i=0;$i<$offset;$i++)
{
switch ($month) {
case 1:
{
if ($day==1) {
$day = 31;
$month = 12;
$year = $year - 1;
}
else {
$day=$day - 1;
}
}
break;
case 2:
{
if ($day == 1) {
$day = 31;
$month = 1;
}
else {
$day=$day - 1;
}
}
break;
case 3:
{
if ($day == 1) {
if (CheckLeap($year)) {
$day = 29;
}
else {
$day = 28;
}
$month = 2;
}
else {
$day=$day - 1;
}
}
break;
case 4:
{
if ($day == 1) {
$day = 31;
$month = 3;
}
else {
$day=$day - 1;
}
}
break;
case 5:
{
if ($day == 1) {
$day = 30;
$month = 4;
}
else {
$day=$day - 1;
}
}
break;
case 6:
{
if ($day == 1) {
$day = 31;
$month = 5;
}
else {
$day=$day - 1;
}
}
break;
case 7:
{
if ($day == 1) {
$day = 30;
$month = 6;
}
else {
$day=$day - 1;
}
}
break;
case 8:
{
if ($day == 1) {
$day = 31;
$month = 7;
}
else {
$day=$day - 1;
}
}
break;
case 9:
{
if ($day == 1) {
$day = 31;
$month = 8;
}
else {
$day=$day - 1;
}
}
break;
case 10:
{
if ($day == 1) {
$day = 30;
$month = 9;
}
else {
$day=$day - 1;
}
}
break;
case 11:
{
if ($day == 1) {
$day = 31;
$month = 10;
}
else {
$day=$day - 1;
}
}
break;
case 12:
{
if ($day == 1) {
$day = 30;
$month = 11;
}
else {
$day=$day - 1;
}
}
}
}
$result=$year."-".$month."-".$day;
return $result;
} //获取当前周第一天 返回"YYYY-mm-dd"格式的时间
function FirstDayOfThisWeek()
{
$offset=date("w");
if ($offset==0)
{
$offset=7;
}
$offset--;
$result = AbateDay($offset);
return $result;
} //获取当前周最后一天 返回"YYYY-mm-dd"格式的时间
function LastDayOfThisWeek()
{
$offset=date("w");
if ($offset==0)
{
$offset=7;
}
$offset = 7 - $offset;
$result = AddDay($offset);
return $result;
}
//获取指定月的天数
function DaysAmountOfThisMonth($month,$year)
{
switch ($month) {
case 1:
$result = 31;
break;
case 2:
{
if (CheckLeap($year)) {
$result = 29;
} else {
$result = 28;
}
break;
}
case 3:
$result = 31;
break;
case 4:
$result = 30;
break;
case 5:
$result = 31;
break;
case 6:
$result = 30;
break;
case 7:
$result = 31;
break;
case 8:
$result = 31;
break;
case 9:
$result = 30;
break;
case 10:
$result = 31;
break;
case 11:
$result = 30;
break;
case 12:
$result = 31;
break;
}
return $result;
}?>