2: ptime pt1(time_from_string(ts1)); 3: std::string ts2("20130130T233222");//没有分隔符的date和time 4: ptime pt2(from_iso_string(ts2)); 5: 3.通过时钟构造ptime: 1: ptime ct1(second_clock::local_time()); 2: ptime ct2(second_clock::universal_time()); 3: ptime ct3(...
#include <iostream>#include<boost/date_time/gregorian/gregorian.hpp>#include<boost/date_time/posix_time/posix_time.hpp>usingnamespacestd;usingnamespaceboost::posix_time;usingnamespaceboost::gregorian;voidcase1(){ ptime p(date(2017,7,7),hours(1)); ptime p1=time_from_string("2017-7-7 01...
2: ptime pt1(time_from_string(ts1)); 3: std::string ts2("20130130T233222");//没有分隔符的date和time 4: ptime pt2(from_iso_string(ts2)); 5: 3.通过时钟构造ptime: 1: ptime ct1(second_clock::local_time()); 2: ptime ct2(second_clock::universal_time()); 3: ptime ct3(...
2: ptime pt1(time_from_string(ts1)); 1. 3: std::string ts2("20130130T233222");//没有分隔符的date和time 1. 4: ptime pt2(from_iso_string(ts2)); 1. 5: 1. 3.通过时钟构造ptime: 1: ptime ct1(second_clock::local_time()); 1. 2: ptime ct2(second_clock::universal_time(...
7: ptime p;//默认构造函数,这里p等于not_a_date_time 2.用string构造ptime: 1: std::string ts1("2013-01-30 23:32:22.000");//固定格式,小数点后支持6位 2: ptime pt1(time_from_string(ts1)); 3: std::string ts2("20130130T233222");//没有分隔符的date和time ...
问如何将boost::ptime转换为字符串EN似乎最简单的方法是将ptime对象插入到字符串流中，然后使用字符串...
ptime ptime_b = time_from_string("2020-1-10 02:12:00"); cout << "输出时间点: " << ptime_b << endl; ptime ptime_c = from_iso_string("20200112T121122"); cout << "输出时间点: " << ptime_c << endl; // 操作时间点(递增递减) ptime ptime_d(date(2020, 12, 11), ho...
assert(d1 == date(not_a_date_time)); //默认初始化为无效日期 assert(d2 == d4); assert(d3 == d2); d1 = from_string("1999,9,9"); date d5 (from_string("2008/8/8")); d3 = from_undelimited_string("20110111");
18.ptime pstr1(time_from_string("2012-11-30 23:59:59.000")); 19.ptime pstr2(from_iso_string("20121130T200001")); 20. 21.// 3. 通过clock构造 22.ptime pc1(second_clock::local_time()); 23.ptime pc2(second_clock::universal_time()); 24.ptime pc3(microsec_clock::local_time(...
ptime是date_time库处理时间的核心类,它使用64bit(微妙)或96bit(毫秒)的证书在内部存储时间数据,依赖于date和time_duration,ptime是个轻量级的对象,也支持全序比较运算和加减运算。类型定义如下: classptime{public:typedefposix_time_systemtime_system_type;typedeftime_system_type::time_rep_typetime_rep_type;t...