C++ study

tm_sec Seconds after minute (0 – 59) tm_min Minutes after hour (0 – 59) tm_hour Hours after midnight (0 – 23) tm_mday Day of month (1 – 31) tm_mon Month (0 – 11; January = 0) tm_year Year (current year minus 1900) tm_wday Day of week (0 – 6; Sunday = 0) tm_yday Day of year (0 – 365; January 1 = 0) 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 */ //--------------------------------------------------------------- #include <time.h> #include <stdio.h> struct tm *newtime; time_t aclock; void main( void ) { time( &aclock ); /* Get time in seconds */ newtime = localtime( &aclock ); /* Convert time to struct */ /* tm form */ /* Print local time as a string */ printf( "The current date and time are: %s", asctime( newtime ) ); } //----------------------------------------------------------------- #include <time.h> #include <stdio.h> void main( void ) { struct tm when; time_t now, result; int days; time( &now ); when = *localtime( &now ); printf( "Current time is %s\n", asctime( &when ) ); printf( "How many days to look ahead: " ); scanf( "%d", &days ); when.tm_mday = when.tm_mday + days; if( (result = mktime( &when )) != (time_t)-1 ) printf( "In %d days the time will be %s\n", days, asctime( &when ) ); else perror( "mktime failed" ); } // hl_view.cpp : implementation file // //显示文本有三种方法. #include "stdafx.h" #include "a1234.h" #include "hl_view.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // hldata m_hldata; hl_view::hl_view(CWnd* pParent /*=NULL*/) : CDialog(hl_view::IDD, pParent) { EnableAutomation(); //{{AFX_DATA_INIT(hl_view) m_edit1_send_txt = _T(""); m_check1_run = FALSE; m_2_time_picke = COleDateTime::GetCurrentTime(); m_1_time_picke = 0; m_STATIC_1 = _T(""); //}}AFX_DATA_INIT //static ----- //需要初始化的变量放在这里. m_static1_txt="初始化显示"; m_send =0; m_receive=0; m_check2_doing =true; m_check1_doing =false; } void hl_view::OnFinalRelease() { // When the last reference for an automation object is released // OnFinalRelease is called. The base class will automatically // deletes the object. Add additional cleanup required for your // object before calling the base class. CDialog::OnFinalRelease(); } void hl_view::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(hl_view) DDX_Control(pDX, IDC_CHECK1, m_CHECK1_TEXT); DDX_Text(pDX, IDC_EDIT1_send, m_edit1_send_txt); DDX_Check(pDX, IDC_CHECK1, m_check1_run); DDX_DateTimeCtrl(pDX, IDC_DATETIMEPICKER2, m_2_time_picke); DDX_DateTimeCtrl(pDX, IDC_DATETIMEPICKER1, m_1_time_picke); DDX_Text(pDX, IDC_STATIC1, m_STATIC_1); //}}AFX_DATA_MAP DDX_Control(pDX, IDC_STATIC2, STATIC2_static); //需要自己添加.添加1步 DDX_Text(pDX, IDC_EDIT1_send, m_send); // // DDV_MinMaxDouble(pDX, m_send, 76., 108.); DDX_Text(pDX, IDC_EDIT2_receive, m_receive); DDX_Text(pDX, IDC_STATIC1, m_static1_txt); DDX_Check(pDX, IDC_CHECK1, m_check1_doing); //复选框 加1步 DDX_Check(pDX, IDC_CHECK2, m_check2_doing); } BEGIN_MESSAGE_MAP(hl_view, CDialog) //{{AFX_MSG_MAP(hl_view) ON_BN_CLICKED(IDC_key_ok, Onkeyok) ON_BN_CLICKED(IDC_CHECK2, OnCheck2) ON_BN_CLICKED(IDC_RADIO2, OnRadio2) ON_BN_CLICKED(IDC_RADIO1, OnRadio1) ON_BN_CLICKED(IDC_CHECK1, OnCheck1) ON_BN_CLICKED(IDC_STATIC2, OnStatic2) ON_BN_CLICKED(IDC_STATIC1, OnStatic1) ON_EN_CHANGE(IDC_EDIT1_send, OnChangeEDIT1send) ON_EN_CHANGE(IDC_EDIT2_receive, OnChangeEDIT2receive) ON_BN_CLICKED(IDC_dan_secelt, Ondansecelt) ON_BN_CLICKED(IDC_duo_select, Onduoselect) ON_NOTIFY(DTN_CLOSEUP, IDC_DATETIMEPICKER1, OnCloseupDatetimepicker1) ON_NOTIFY(DTN_FORMAT, IDC_DATETIMEPICKER2, OnFormatDatetimepicker2) ON_BN_CLICKED(IDC_data_time, Ondatatime) ON_WM_TIMER() ON_WM_PAINT() ON_WM_CANCELMODE() ON_BN_CLICKED(IDC_RADIO3, OnRadio3) //}}AFX_MSG_MAP END_MESSAGE_MAP() BEGIN_DISPATCH_MAP(hl_view, CDialog) //{{AFX_DISPATCH_MAP(hl_view) // NOTE - the ClassWizard will add and remove mapping macros here. //}}AFX_DISPATCH_MAP END_DISPATCH_MAP() // Note: we add support for IID_Ihl_view to support typesafe binding // from VBA. This IID must match the GUID that is attached to the // dispinterface in the .ODL file. // {8EB35B8C-AADC-41C3-8031-76B235F9E6BE} static const IID IID_Ihl_view = { 0x8eb35b8c, 0xaadc, 0x41c3, { 0x80, 0x31, 0x76, 0xb2, 0x35, 0xf9, 0xe6, 0xbe } }; BEGIN_INTERFACE_MAP(hl_view, CDialog) INTERFACE_PART(hl_view, IID_Ihl_view, Dispatch) END_INTERFACE_MAP() ///////////////////////////////////////////////////////////////////////////// // hl_view message handlers void hl_view::Onkeyok() { UpdateData(); //---------------------------- // using namespace std; time_t tU = 9011111; struct tm* mytime; mytime = localtime( &tU ); switch(mytime->tm_wday) { case 0: cout << "Sunday" << endl; break; case 1: cout << "Monday" << endl; break; case 2: cout << "Tuesday" << endl; break; case 3: cout << "Wednesday" << endl; break; case 4: cout << "Thursday" << endl; break; case 5: cout << "Friday" << endl; break; case 6: cout << "Saterday" << endl; break; }; //---------------------------- tm date_tm; tm t; time_t t_of_day; t.tm_year=2007-1900; // 初始值为//1900-1-1 00 :00:00 t.tm_mon=0; t.tm_mday=3; //注意如果多了,会往前注入.1-31 结果为3-3 因为2月只有28天. t.tm_wday=0; t.tm_isdst=0; t.tm_hour=1; //01:00:01 t.tm_min=0; t.tm_sec=1; t_of_day=mktime(&t); //m_2_time_picke = t_of_day; // m_1_time_picke = t_of_day; ;//t_of_day ; //---------------------------比较两个时间 time_t start, finish; double result, elapsed_time; // time( &start ); time( &finish ); elapsed_time = difftime( finish, t_of_day ); //如果两个相等,比较结果为0 //-------------------------- //================== /* CString mTime; mTime="2008-5-25 12:25:32"; //自设时间 //在界面上有两DataTimePicker控件 CTime m_1_time_picke;//短日期:IDC_DATETIMEPICKER1 CTime m_2_time_picke;//时间: IDC_DATETIMEPICKER2 请问如何将字符串赋值到此二控件上 //答://如果不想拆分字符串，那么可以通过COleDateTime来转换成CTime COleDateTime dt; dt.ParseDateTime(mTime); //将mTime的时间值存到dt中 SYSTEMTIME st; //定义一个系统时间类型的变量 dt.GetAsSystemTime(st); //将dt中的时间按系统时间格式化 CTime tm(st); //定义CTime对象并将st赋值给它 m_1_time_picke = tm; //控件会自动获取其需要的时间部分 m_2_time_picke = tm; //----------------- CString strm = "2000-1-1 23:01:22" ; COleDateTime tmm; tmm.ParseDateTime(strm); SYSTEMTIME stt; tmm.GetAsSystemTime(stt); CTime ct(stt);