c/c++ 修改文件的创建时间,修改时间,访问时间 [和弦]
一直想抽点时间将 c/c++ 系统的学学,毕竟c/c++有时候在会比较方便些,c#写多了,也想换换语言使使,开阔下视野,使自己看问题能更宏观些,做项目的时候也会有更多选择。于是就想记点笔记,以便复习,也希望有共同爱好的朋友能相互学习。
今天关注的主题是怎样修改文件的修改时间,创建时间等,因为有时候当你修改了某一个文件后,又不想让别人知道文件被改过,所以就想把文件的修改时间该下,下面我们就来看下用c/c++怎么实现,啥也多说了,看代码:
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/*
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功能描述: 修改文件时间
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创建时间: 2009-04-14
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*/
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#include "stdafx.h"
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#include "windows.h"
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#include "iostream"
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using namespace std;
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int main(int argc, char* argv[])
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{
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if (argc == 8)
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{
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FILETIME ft,ft1;
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SYSTEMTIME systime;
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int mYear,mMonth,mDay,mHour,mMinute,mSecond;
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mYear = atoi(argv[2]); mMonth =atoi(argv[3]); mDay = atoi(argv[4]); mHour = atoi(argv[5]);
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mMinute = atoi(argv[6]); mSecond = atoi(argv[7]);
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systime.wYear = mYear; systime.wMonth = mMonth; systime.wDay = mDay; systime.wHour = mHour;
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systime.wMinute = mMinute; systime.wSecond = mSecond;
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SystemTimeToFileTime(&systime, &ft);
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//把时间转换UTC
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LocalFileTimeToFileTime(&ft,&ft1);
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HANDLE hFile;
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//打开文件,参数说明请参考MSDN (CreateFile)
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hFile = CreateFileA(argv[1], GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ| FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (hFile== INVALID_HANDLE_VALUE)
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{
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cout<<"打开文件失败\n";
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}
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//设置时间 参数(文件句柄,创建时间,修改时间)
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//注意:如果只想设置修改时间则可以 (hFile, NULL, NULL, &ft1)
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SetFileTime(hFile, NULL, &ft1, &ft1);
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CloseHandle(hFile);
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cout<<"时间修改成功";
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return 0;
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}
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cout<<"输入格式错误:"<<endl;
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cout<<"正确格式:";
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cout<<"\t"<<argv[0]<<" 文件 年 月 日 小时 分钟 秒"<<endl;
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return 0;
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}
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