源代码：
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <sys/stat.h>
#include <sys/types.h>#define EXE_ABORT() {system("pause");return 0;}
#define FILEPATH "./test.txt"int main(int argc, char *argv[])
{FILE *fp_i;int i = 0;int ret = 0;char buf[128];struct stat stat_i;struct tm *tm_p;ret = stat((const char *)FILEPATH, &stat_i);if(ret != 0){printf("%s: get file stat failed", FILEPATH);EXE_ABORT();}printf("get file stat success\n");//! 文件的大小，字节为单位printf("文件大小: %.02f MB (%d Bytes)\n", stat_i.st_size / 1024.0, stat_i.st_size);// printf("文件创建时间 : %s", ctime(&stat_i.st_ctime));//Wed Nov 01 19:59:32 2023// printf("最后一次修改时间: %s", ctime(&stat_i.st_mtime));//Wed Nov 01 19:59:36 2023// printf("最近一次访问时间: %s", ctime(&stat_i.st_atime));//Wed Nov 01 19:59:36 2023tm_p = localtime(&stat_i.st_ctime);memset(buf, 0, sizeof(buf)/sizeof(buf[0])); //2023-11-01 19:59:32strftime(buf, 128, "%Y-%m-%d %X", tm_p);printf("文件创建时间 : %s\n", buf);tm_p = localtime(&stat_i.st_mtime);memset(buf, 0, sizeof(buf)/sizeof(buf[0]));strftime(buf, 128, "%Y-%m-%d %X", tm_p);printf("最后一次修改时间: %s\n", buf);tm_p = localtime(&stat_i.st_atime);memset(buf, 0, sizeof(buf)/sizeof(buf[0]));strftime(buf, 128, "%Y-%m-%d %X", tm_p);printf("最近一次访问时间: %s\n", buf);system("pause");return 0;
}
编译输出：
$ ./a.exeget file stat success
文件大小: 0.01 MB (10 Bytes)
文件创建时间 : 2023-11-01 19:59:32
最后一次修改时间: 2023-11-01 19:59:36
最近一次访问时间: 2023-11-01 19:59:36
结构体原型：
struct stat
{ dev_t st_dev; /* ID of device containing file -文件所在设备的ID*/ ino_t st_ino; /* inode number -inode节点号*/ mode_t st_mode; /* protection -保护模式?*/ nlink_t st_nlink; /* number of hard links -链向此文件的连接数(硬连接)*/ uid_t st_uid; /* user ID of owner -user id*/ gid_t st_gid; /* group ID of owner - group id*/ dev_t st_rdev; /* device ID (if special file) -设备号，针对设备文件*/ off_t st_size; /* total size, in bytes -文件大小，字节为单位*/ blksize_t st_blksize; /* blocksize for filesystem I/O -系统块的大小*/ blkcnt_t st_blocks; /* number of blocks allocated -文件所占块数*/ time_t st_atime; /* time of last access -最近存取时间*/ time_t st_mtime; /* time of last modification -最近修改时间*/ time_t st_ctime; /* time of last status change - */
};
)
