提交日期demo

boost_test/Makefile

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+boost_test:boost_test.cpp
+	g++ $^ -o $@ 

boost_test/boost_test.cpp

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+#include <boost/lexical_cast.hpp>       
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+	using boost::lexical_cast;
+	int a = lexical_cast<int>("123");
+	double b = lexical_cast<double>("123.0123456789");
+	string s0 = lexical_cast<string>(a);
+	string s1 = lexical_cast<string>(b);
+	cout << "number: " << a << "  " << b << endl;
+	cout << "string: " << s0 << "  " << s1 << endl; 
+	int c = 0;
+	try {
+		c = lexical_cast<int>("abcd");
+	}
+	catch (boost::bad_lexical_cast& e) {
+		cout << e.what() << endl;
+	}
+
+	return 0;
+}

boost_test/boost_test.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.1525
+MinimumVisualStudioVersion = 10.0.40219.1
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+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BE9452A1-E1E4-4E46-8CB5-3005DEE778ED}.Debug|x64.ActiveCfg = Debug|x64
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+		{BE9452A1-E1E4-4E46-8CB5-3005DEE778ED}.Debug|x86.Build.0 = Debug|Win32
+		{BE9452A1-E1E4-4E46-8CB5-3005DEE778ED}.Release|x64.ActiveCfg = Release|x64
+		{BE9452A1-E1E4-4E46-8CB5-3005DEE778ED}.Release|x64.Build.0 = Release|x64
+		{BE9452A1-E1E4-4E46-8CB5-3005DEE778ED}.Release|x86.ActiveCfg = Release|Win32
+		{BE9452A1-E1E4-4E46-8CB5-3005DEE778ED}.Release|x86.Build.0 = Release|Win32
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+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {5F7FB1D9-E114-4EC1-B5F5-4C115CC3FE7C}
+	EndGlobalSection
+EndGlobal

boost_test/boost_test.vcxproj

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+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
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+    <Link>
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+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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+      <ConformanceMode>true</ConformanceMode>
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boost_test/boost_test.vcxproj.filters

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
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+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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+    <Filter Include="头文件">
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+    <Filter Include="资源文件">
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+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="boost_test.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>

boost_timer/Makefile

@@ -0,0 +1,2 @@
+boost_timer:boost_timer.cpp
+	g++ $^ -o $@ 

boost_timer/boost_timer.cpp

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+
+//#define DATE_TIME_NO_DEFAULT_CONSTRUCTOR  //不希望出现无效时间
+
+#include <boost/timer.hpp>
+#include <boost/progress.hpp>
+#include <iostream>
+
+#include <boost/date_time/gregorian/gregorian.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+
+using namespace std;
+using namespace boost;
+
+
+using namespace boost::gregorian;  
+using namespace boost::posix_time; 
+
+
+//自定义字面值  c11 新增了重载operator""的特性
+days operator"" _D(unsigned long long n)
+{
+	return days(n);
+}
+
+
+weeks operator""  _W(unsigned long long n) {
+	return weeks(n);
+}
+
+
+date operator""  _YMD(const char* s, std::size_t) {
+	return from_string(s);
+}
+
+int main()
+{
+	timer t;  //计时器
+	cout << "max timespan:" << t.elapsed_max() / 3600 << "h" << endl;    // 可度量的最大时间
+	cout << "min timespan:" << t.elapsed_min() << "s" << endl;   //最小时间
+	cout << "now time elapsed:" << t.elapsed()  << "s" << endl;  //流逝的时间
+
+	progress_timer t2;   //析构时会打印流逝时间elapsed()
+//	progress_timer t3 = t2;   //继承自noncopyable   不行
+//	progress_timer t3(t2);	  //继承自noncopyable   不行
+
+
+
+
+/******************************DATE*******************************/
+	gregorian::date d(2021,7,11);
+	d = day_clock::local_day(); //当前时间
+	gregorian::date d2 = from_string("2021-7-11");
+	//d = from_undelimited_string("20210711");
+	cout << to_iso_extended_string(d) << endl; // 日期以指定格式打印
+	cout << to_iso_string(d) << endl;
+	cout << to_simple_string(d) << endl;
+
+	if (d > d2) { //支持比较操作符
+		cout << "1111" << endl;
+	}
+
+
+	int inweek = d.day_of_week();
+	cout << inweek << endl;  //星期几
+	int numInYear = d.day_of_year();
+	cout << numInYear << endl;  //一年中的第几天
+
+// 与C结构 tm 相互转换
+	tm _tm = to_tm(d);
+	date_from_tm(_tm);
+
+/******************************DATE END*******************************/
+
+//日期计算
+	days day(1);	//1天
+	weeks week(1);   //1个星期
+	months mon(1);    //1个月
+	years year(1);    //1年
+
+	d +=  day ;
+	d += week;
+	d += mon;
+	d += year;
+	cout << to_iso_extended_string(d) << endl;
+
+	//
+	date ddd(2021, 3, 30);
+	ddd -= months(1);   //20210228  //注意 这里得到的是月末
+
+
+	//日期区间   左闭右开区间
+	date_period dp(d, days(20));
+
+	if (dp.contains(d + days(2))) //是否包含   is_before is_after  在前在后、 
+		cout << 111 << endl;
+
+	//还有交集、并集等  不常用就不一一讲了
+
+	//日期迭代器   好像没啥用。。。
+	//day_iterator iter(d);
+
+ 
+/******************************TIME*******************************/
+
+	posix_time::time_duration time(1,10,30,1000);//时、分、秒、微秒
+	cout << time << endl;
+	hours houre(1);
+	minutes min(10);
+	seconds sec(59);
+	millisec ms(1000);
+	time_duration time2 = houre + min + sec + ms;
+	cout << to_simple_string(time2) << endl;  //以指定格式打印
+
+	//与 date类似也可以用于比较
+
+	//转换到tm
+	_tm = to_tm(time2); //但是不能反向转换
+
+	//默认精确度到微秒，纳秒相关的类函数默认都不可用！！ 纳秒用得也不多，就不讨论了。。
+
+/******************************TIME  END*******************************/
+
+
+/******************************DATE_TIME*******************************/
+	ptime _ptime(d, time);  //同时包含 日期和时间的结构
+
+	ptime p1 = time_from_string("2021-7-12 01:00:00");
+
+	ptime p2 = from_iso_string("20210712T020000");
+
+	ptime p3 = second_clock::local_time(); //精确到秒
+
+	ptime p4 = second_clock::universal_time(); //精确到微秒
+
+	//操作ptime 可以分解为 date  time  来处理
+	//也支持加减处理
+	p3 += hours(3);
+	cout << to_simple_string(p3) << endl;
+	cout << to_iso_string(p3) << endl;
+	cout << to_iso_extended_string(p3) << endl;  //源码是以T为分隔，可以自己改为空格
+
+	//转为c结构： 
+	_tm = to_tm(p3);
+
+	ptime_from_tm(_tm);
+
+	ptime p5 = from_time_t(std::time(0));
+
+	std::time_t time_t  = to_time_t(p5);
+
+	//时间区间 time_period  //类似于 date_period 不在细说了
+
+/******************************DATE_TIME_END*******************************/
+
+	days  d11 = 11_D; //这个用来装逼还挺有一套，基础撇点的都不知道，哈哈
+	weeks  w3 = 3_W;   
+	date d20110712 = "2021-7-12"_YMD;
+
+
+	//格式化时间
+
+	//这个玩意儿 继承自std::locale::facet  是个智能指针，当引用计数为0  就会自动delete掉  。 所以当创在栈上，或创在堆上手动delete都会飞掉！注意了！
+	date_facet *facet = new date_facet("%Y年%m月%d日");  
+	cout.imbue(locale(cout.getloc(),facet));
+	cout << d20110712 << endl;
+
+	time_facet* tfacet = new time_facet("%Y年%m月%d日 %H点%M分%S%F秒");
+	cout.imbue(locale(cout.getloc(), tfacet));
+	cout << p4 << endl;
+
+
+	return 0;
+}
+

boost_timer/boost_timer.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.1525
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "boost_timer", "boost_timer.vcxproj", "{BE9452A1-E1E4-4E46-8CB5-3005DEE778ED}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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+		SolutionGuid = {5F7FB1D9-E114-4EC1-B5F5-4C115CC3FE7C}
+	EndGlobalSection
+EndGlobal

boost_timer/boost_timer.vcxproj

@@ -0,0 +1,165 @@
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