类似于C mktime()的Java函数?
我正在将一些代码从C移植到Java。我在C中有一行如下:类似于C mktime()的Java函数?,java,Java,我正在将一些代码从C移植到Java。我在C中有一行如下: time_t t0 = mktime(&EpochTime); 其中,EpochTime定义为: struct tm EpochTime; struct tm { int tm_sec; /* seconds after the minute - [0,59] */ int tm_min; /* minutes after the hour - [0,59] */
time_t t0 = mktime(&EpochTime);
其中,EpochTime定义为:
struct tm EpochTime;
struct tm {
int tm_sec; /* seconds after the minute - [0,59] */
int tm_min; /* minutes after the hour - [0,59] */
int tm_hour; /* hours since midnight - [0,23] */
int tm_mday; /* day of the month - [1,31] */
int tm_mon; /* months since January - [0,11] */
int tm_year; /* years since 1900 */
int tm_wday; /* days since Sunday - [0,6] */
int tm_yday; /* days since January 1 - [0,365] */
int tm_isdst; /* daylight savings time flag */
};
而struct tm
的定义如下:
struct tm EpochTime;
struct tm {
int tm_sec; /* seconds after the minute - [0,59] */
int tm_min; /* minutes after the hour - [0,59] */
int tm_hour; /* hours since midnight - [0,23] */
int tm_mday; /* day of the month - [1,31] */
int tm_mon; /* months since January - [0,11] */
int tm_year; /* years since 1900 */
int tm_wday; /* days since Sunday - [0,6] */
int tm_yday; /* days since January 1 - [0,365] */
int tm_isdst; /* daylight savings time flag */
};
C库函数time\t mktime(struct tm*timeptr)
根据本地时区将timeptr
指向的结构转换为time\t
值
在Java代码中,我可以创建静态类变量以及setter/getter来表示结构数据。是否有一个库/技术可以实现mktime()
函数的设计目的?使用:
查看java.time包:所有与现代时间相关的类都位于该包中。使用
mktime()
而不指定结果是不寻常的。它将非常有用,因为它规范化了作为指针参数传递的struct tm
中的数据,但并不常见。您可能希望查看Java.time.
中的Java JSR 310 API,您使用的类取决于您实际需要的类。您可能对Gregoriacalendar类感兴趣