北京时间日期转时间戳、时间戳转北京时间日期

c++实现的日期时间转时间戳，时间戳转日期时间：（win32控制台小程序） 例如如下例子： timeStamp: 1325347200; time: 2012-01-01 00:00:00 timeStamp: 1538409599; time: 2018-10-01 23:59:59 timeStamp: 888645574; time: 1998-02-28 13:59:34 timeStamp: 1582991999; time: 2020-02-29 23:59:59 timeStamp: 1204300800; time: 2008-03-01 00:00:00 timeStamp: 1993305599; time: 2033-03-01 23:59:59 timeStamp: 1135958400; time: 2005-12-31 00:00:00 timeStamp: 1072886399; time: 2003-12-31 23:59:59