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回复者：Norton AntivVirus 回复日期：2002-10-20 16:58:32
<br>内容：char szTmp[MAX_PATH];<BR>int a = 1234;<BR>sprintf(szTmp, "%d", a);<BR>MessageBox(szTmp);
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<font color=red>答案被接受</font><br>回复者：萧七 回复日期：2002-10-20 17:58:09
<br>内容：用ANSI C的函数也行。<BR>int---string :itoa()<BR>long -----string ltoa()<BR>string-----int ;atoi()<BR>这里写的string 其实就是char*<BR>用法查MSDN<BR>
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回复者：徐景周 回复日期：2002-10-21 13:51:59
<br>内容：int -> string <BR><BR>CString s;<BR>int i=1;<BR>s.Format("%d",i);<BR><BR><BR>一段日期和时间的处理例程代码<BR><BR>// Posted by honeycombs<BR><BR><BR>#ifndef __DATETIME_H<BR>#define __DATETIME_H<BR><BR>#if _MSC_VER > 1000<BR>#pragma once<BR>#endif // _MSC_VER > 1000<BR>// (DATETIME_H.h : header file<BR><BR>typedef struct _DT_DATE_TIME<BR>{<BR> unsigned short year;<BR> unsigned short month;<BR> unsigned short day;<BR> unsigned short hour;<BR> unsigned short minute;<BR> unsigned short second;<BR>}DT_DATE_TIME;<BR><BR>void DT_CopyDateTime(DT_DATE_TIME *thisdat, DT_DATE_TIME nextdat);<BR>////////////////////////////////////////<BR>// check day<BR>unsigned short DT_GetMaxDay(unsigned short year, unsigned short month);<BR>unsigned short DT_CheckDateTime(DT_DATE_TIME thisdat);<BR>unsigned short DT_GetNextDay(DT_DATE_TIME *nextdat, DT_DATE_TIME thisdat);<BR>unsigned short DT_GetLastDay(DT_DATE_TIME *nextdat, DT_DATE_TIME thisdat);<BR>unsigned short DT_NextYear(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_NextMonth(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_NextDay(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_NextHour(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_NextMinute(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_NextSecond(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_LastYear(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_LastMonth(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_LastDay(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_LastHour(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_LastMinute(DT_DATE_TIME *nowDateTime);<BR>unsigned short DT_LastSecond(DT_DATE_TIME *nowDateTime);<BR>void DT_MaxDateTime(DT_DATE_TIME *nowDateTime, DT_DATE_TIME maxDateTimer);<BR>void DT_MinDateTime(DT_DATE_TIME *nowDateTime, DT_DATE_TIME minDateTimer);<BR><BR>#endif // !defined(_DATETIME_H)<BR><BR><BR>#include "stdafx.h"<BR>#include "DateTime.h"<BR><BR>#ifdef _DEBUG<BR>#define new DEBUG_NEW<BR>#undef THIS_FILE<BR>static char THIS_FILE[] = __FILE__;<BR>#endif<BR><BR>//////////////////////////////////////////////////<BR>void DT_CopyDateTime(DT_DATE_TIME *thisdat, DT_DATE_TIME nextdat)<BR>{<BR> thisdat->year=nextdat.year;<BR> thisdat->month=nextdat.month;<BR> thisdat->day=nextdat.day;<BR> thisdat->hour=nextdat.hour;<BR> thisdat->minute=nextdat.minute;<BR> thisdat->second=nextdat.second;<BR>}<BR>////////////////////////////////////////<BR>// check day<BR>unsigned short DT_GetMaxDay(unsigned short year, unsigned short month)<BR>{<BR> unsigned char ifrun;<BR> unsigned short reday;<BR><BR> ifrun= 0;<BR> reday =0;<BR><BR> if(year<=0||month<=0||month>12)<BR> return reday;<BR><BR> if( ((year%4==0)&&(year%100!=0))||(year%400==0))<BR> ifrun=1;<BR><BR> if(month==2)<BR> {<BR> if(ifrun)<BR> {<BR> reday = 29;<BR> }<BR> else<BR> {<BR> reday = 28;<BR> }<BR> }<BR> else <BR> {<BR> switch(month)<BR> {<BR> case 1:<BR> case 3:<BR> case 5:<BR> case 7:<BR> case 8:<BR> case 10:<BR> case 12:<BR> {<BR> reday = 31;<BR> }break;<BR> case 4:<BR> case 6:<BR> case 9:<BR> case 11:<BR> {<BR> reday = 30;<BR> }break;<BR> }<BR> }<BR><BR> return reday;<BR>}<BR><BR>unsigned short DT_CheckDateTime(DT_DATE_TIME thisdat)<BR>{<BR> //* test<BR> /*/ <BR> //*/<BR> unsigned short tday;<BR> if(thisdat.year<0)<BR> return 0;<BR> if(thisdat.month<=0||thisdat.month>12)<BR> return 0;<BR> tday = DT_GetMaxDay(thisdat.year, thisdat.month);<BR> if(thisdat.day<=0||thisdat.day>tday)<BR> return 0;<BR> if(thisdat.hour<0||thisdat.hour>23)<BR> return 0;<BR> if(thisdat.minute<0||thisdat.minute>59)<BR> return 0;<BR> if(thisdat.second<0||thisdat.second>59)<BR> return 0;<BR> return 1;<BR>}<BR><BR>unsigned short DT_GetNextDay(DT_DATE_TIME *nextdat, DT_DATE_TIME thisdat)<BR>{<BR> unsigned short day ;<BR><BR> day = DT_GetMaxDay(thisdat.year,thisdat.month);<BR> if(day<=0)<BR> return 0;<BR> if(thisdat.day>day&&thisdat.day<=0)<BR> return 0;<BR> else if(thisdat.day<day)<BR> {<BR> nextdat->year=thisdat.year;<BR> nextdat->month=thisdat.month;<BR> nextdat->day=thisdat.day+1;<BR> return 1;<BR> }<BR> else if(thisdat.day>=day)<BR> {<BR> if(thisdat.month>=12)<BR> {<BR> nextdat->year=thisdat.year+1;<BR> nextdat->month=1;<BR> nextdat->day=1; <BR> }<BR> else<BR> {<BR> nextdat->year=thisdat.year;<BR> nextdat->month=thisdat.month+1;<BR> nextdat->day=1; <BR> }<BR><BR> return 1;<BR> }<BR><BR> return 0;<BR><BR>}<BR><BR>unsigned short DT_GetLastDay(DT_DATE_TIME *nextdat, DT_DATE_TIME thisdat)<BR>{<BR> unsigned short day ;<BR><BR> day = DT_GetMaxDay(thisdat.year,thisdat.month);<BR> if(day<=0)<BR> return 0;<BR> if(thisdat.day>day&&thisdat.day<=0)<BR> return 0;<BR> else if(thisdat.day>1)<BR> {<BR> nextdat->year=thisdat.year;<BR> nextdat->month=thisdat.month;<BR> nextdat->day=thisdat.day-1;<BR> if(nextdat->day<=0)<BR> return 0;<BR> else return 1;<BR> }<BR> else if(thisdat.day<=1)<BR> {<BR> if(thisdat.month>1)<BR> {<BR> nextdat->year=thisdat.year;<BR> nextdat->month=thisdat.month-1;<BR> nextdat->day=DT_GetMaxDay(nextdat->year,nextdat->month);<BR> }<BR> else<BR> {<BR> nextdat->year=thisdat.year-1;<BR> nextdat->month=12;<BR> nextdat->day=DT_GetMaxDay(nextdat->year,nextdat->month); <BR> }<BR> if(nextdat->day<=0)<BR> return 0;<BR> else return 1;<BR> }<BR> return 0;<BR>}<BR><BR>unsigned short DT_NextYear(DT_DATE_TIME *nowDateTime)<BR>{ <BR> unsigned short tmpday;<BR> nowDateTime->year++;<BR> tmpday=DT_GetMaxDay(nowDateTime->year, nowDateTime->month);<BR> if(nowDateTime->day>tmpday)<BR> nowDateTime->day=tmpday;<BR> return nowDateTime->year;<BR>}<BR><BR>unsigned short DT_NextMonth(DT_DATE_TIME *nowDateTime)<BR>{<BR> unsigned short tmpday;<BR> nowDateTime->month++;<BR> if(nowDateTime->month>12)<BR> {<BR> nowDateTime->month=1;<BR> nowDateTime->year++;<BR> }<BR> tmpday=DT_GetMaxDay(nowDateTime->year, nowDateTime->month);<BR> if(nowDateTime->day>tmpday)<BR> nowDateTime->day=tmpday;<BR> return nowDateTime->month;<BR>}<BR><BR>unsigned short DT_NextDay(DT_DATE_TIME *nowDateTime)<BR>{<BR> DT_DATE_TIME tmpTimer;<BR> DT_CopyDateTime(&tmpTimer, *nowDateTime);<BR> DT_GetNextDay(nowDateTime, tmpTimer);<BR> return nowDateTime->day;<BR>}<BR><BR>unsigned short DT_NextHour(DT_DATE_TIME *nowDateTime)<BR>{<BR> if(nowDateTime->hour<23)<BR> nowDateTime->hour++;<BR> else<BR> {<BR> nowDateTime->hour=0;<BR> DT_NextDay(nowDateTime);<BR> }<BR><BR> return nowDateTime->hour;<BR>}<BR><BR>unsigned short DT_NextMinute(DT_DATE_TIME *nowDateTime)<BR>{<BR> if(nowDateTime->minute<59)<BR> nowDateTime->minute++;<BR> else<BR> {<BR> nowDateTime->minute=0;<BR> DT_NextHour(nowDateTime);<BR> }<BR> return nowDateTime->minute;<BR>}<BR><BR>unsigned short DT_NextSecond(DT_DATE_TIME *nowDateTime)<BR>{<BR> if(nowDateTime->second<59)<BR> nowDateTime->second++;<BR> else<BR> {<BR> nowDateTime->second=0;<BR> DT_NextMinute(nowDateTime);<BR> }<BR><BR> return nowDateTime->second;<BR>}<BR><BR>unsigned short DT_LastYear(DT_DATE_TIME *nowDateTime)<BR>{<BR> unsigned short tmpday;<BR> if(nowDateTime->year>1)<BR> nowDateTime->year--;<BR> tmpday=DT_GetMaxDay(nowDateTime->year, nowDateTime->month);<BR> if(nowDateTime->day>tmpday)<BR> nowDateTime->day=tmpday;<BR> return nowDateTime->year;<BR>}<BR><BR>unsigned short DT_LastMonth(DT_DATE_TIME *nowDateTime)<BR>{<BR> unsigned short tmpday;<BR> if(nowDateTime->month>1)<BR> nowDateTime->month--;<BR> else<BR> {<BR> if(nowDateTime->year>1)<BR> {<BR> nowDateTime->month=12;<BR> nowDateTime->year--;<BR> }<BR> }<BR> tmpday=DT_GetMaxDay(nowDateTime->year, nowDateTime->month);<BR> if(nowDateTime->day>tmpday)<BR> nowDateTime->day=tmpday;<BR> return nowDateTime->month;<BR>}<BR><BR>unsigned short DT_LastDay(DT_DATE_TIME *nowDateTime)<BR>{ <BR> DT_DATE_TIME tmpTimer;<BR> DT_CopyDateTime(&tmpTimer, *nowDateTime);<BR> DT_GetLastDay(nowDateTime, tmpTimer);<BR> return nowDateTime->day;<BR>}<BR><BR>unsigned short DT_LastHour(DT_DATE_TIME *nowDateTime)<BR>{<BR> if(nowDateTime->hour>0)<BR> nowDateTime->hour--;<BR> else<BR> {<BR> nowDateTime->hour=23;<BR> DT_LastDay(nowDateTime);<BR> }<BR> return nowDateTime->hour;<BR>}<BR><BR>unsigned short DT_LastMinute(DT_DATE_TIME *nowDateTime)<BR>{<BR> if(nowDateTime->minute>0)<BR> nowDateTime->minute--;<BR> else<BR> {<BR> nowDateTime->minute=59;<BR> DT_LastHour(nowDateTime);<BR> }<BR> return nowDateTime->minute;<BR>}<BR><BR><BR>unsigned short DT_LastSecond(DT_DATE_TIME *nowDateTime)<BR>{<BR> if(nowDateTime->second>0)<BR> nowDateTime->second--;<BR> else<BR> {<BR> nowDateTime->minute=59;<BR> DT_LastMinute(nowDateTime);<BR> }<BR> return nowDateTime->second;<BR>}<BR><BR>void DT_MaxDateTime(DT_DATE_TIME *nowDateTime, DT_DATE_TIME maxDateTimer)<BR>{<BR> unsigned short ifCover=0;<BR><BR> if(nowDateTime->year>maxDateTimer.year)<BR> ifCover=1;<BR> else if(nowDateTime->year==maxDateTimer.year)<BR> {<BR> if(nowDateTime->month>maxDateTimer.month)<BR> ifCover=1;<BR> else if(nowDateTime->month==maxDateTimer.month)<BR> {<BR> if(nowDateTime->day>maxDateTimer.day)<BR> ifCover=1;<BR> else if(nowDateTime->day==maxDateTimer.day)<BR> {<BR> if(nowDateTime->hour>maxDateTimer.hour)<BR> ifCover=1;<BR> else if(nowDateTime->hour==maxDateTimer.hour)<BR> {<BR> if(nowDateTime->minute>maxDateTimer.minute)<BR> ifCover=1;<BR> else if(nowDateTime->minute==maxDateTimer.minute)<BR> {<BR> if(nowDateTime->second>maxDateTimer.second)<BR> ifCover=1;<BR> }<BR> }<BR> }<BR> }<BR> }<BR><BR> if(ifCover)<BR> DT_CopyDateTime(nowDateTime,maxDateTimer);<BR>}<BR><BR>void DT_MinDateTime(DT_DATE_TIME *nowDateTime, DT_DATE_TIME minDateTimer)<BR>{<BR> unsigned short ifCover=0;<BR><BR> if(nowDateTime->year<minDateTimer.year)<BR> ifCover=1;<BR> else if(nowDateTime->year==minDateTimer.year)<BR> {<BR> if(nowDateTime->month<minDateTimer.month)<BR> ifCover=1;<BR> else if(nowDateTime->month==minDateTimer.month)<BR> {<BR> if(nowDateTime->day<minDateTimer.day)<BR> ifCover=1;<BR> else if(nowDateTime->day==minDateTimer.day)<BR> {<BR> if(nowDateTime->hour<minDateTimer.hour)<BR> ifCover=1;<BR> else if(nowDateTime->hour==minDateTimer.hour)<BR> {<BR> if(nowDateTime->minute<minDateTimer.minute)<BR> ifCover=1;<BR> else if(nowDateTime->minute==minDateTimer.minute)<BR> {<BR> if(nowDateTime->second<minDateTimer.second)<BR> ifCover=1;<BR> }<BR> }<BR> }<BR> }<BR> }<BR><BR> if(ifCover)<BR> DT_CopyDateTime(nowDateTime,minDateTimer);<BR>}<BR><BR>
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