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Ò»µ÷ÓÃfprintfÕâ¸öº¯Êý¾Í³ö´í access violation.

FILE *fp1;
AnsiString fileName;
fileName = (AnsiString)Date() + ".txt";
fp1=fopen(fileName.c_str(),"a");
fprintf(fp1,"%s\n","Location Update");
fclose(fp1);
------------------------------------------
Ò»µ÷ÓÃfprintfÕâ¸öº¯Êý¾Í³ö´í Ìáʾaccess violation at address 0047F0EC.

//fprintf(fp1,"%s\n","Location Update");
°ÑÕâÐÐ×¢Ê͵ô¾ÍûÓÐaccess violationÕâ¸ö´íÎó.

¸ü¼ÓÆæ¹ÖµÄÊÇ,ͬÑùµÄ´úÂëÔÚÁíһ̨µçÄÔÉÏÄÜÕý³£ÔËÐÐ.ûÓдíÎóÌáʾ.¾ÍÕą̂µçÄÔÌáʾÕâ¸ö´íÎó.Îҷdz£À§»ó,²»ÖªµÀÊÇʲôÎÊÌâ,¿ªÊ¼µÄʱºò»³ÒÉÊÇÎҵĴúÂëµÄÎÊÌâ,ÏÖÔÚ»³ÒÉÊÇϵͳµÄÎÊÌâ.
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ÎÒ×Ô¼ºÔÚ¸ÃĿ¼Ï½¨Á¢ÁËÒ»¸öÒª´òµÄÎļþ 2009-12-14.txt,ÈÔÈ»ÓÐÕâ¸ö´íÎó.
FILE *fp1;
AnsiString fileName;
fileName = (AnsiString)Date() + ".txt";
fp1=fopen(fileName.c_str(),"a");
//fprintf(fp1,"%s\n","Location Update");
fclose(fp1);
°ÑÕâÐÐfprintf×¢Ê͵ô¾ÍûÎÊÌâÁË.
´ò¿ª ¹Ø±ÕÎļþûÓÐÎÊÌâ,¾ÍÊÇÔÚЩÊý¾ÝÁ÷µÄʱºòÌáʾÕâ¸ö´íÎó.


if(fp1 != NULL) fprintf(fp1,"%s\n","Location Update"); ÕâÑùûÎÊÌâ,ÄѵÀûÓиøfp1·ÖÅ䵨ַ?
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if(fp1 != NULL) fprintf(fp1,"%s\n","Location Update"); ÕâÑùûÎÊÌâ,ÄѵÀûÓиøfp1·ÖÅ䵨ַ?
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