a+:Open for reading and appending (writing at end of file). The file is created if it does not exist. The initial file position for reading is at the beginning of the file, but output is always appended to the end of the file. 上述对a与a+模式的描述大致内容是:打开一个文件,如果该文...
$data = fgets($fp, 4096); // move back to the beginning of the file // same as rewind($fp); fseek($fp, 0); 以上是“PHP如何使用fseek()函数”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注创新互联行业资讯频道! ...
a+:Open for reading and appending (writing at end of file). The file is created if it does not exist. The initial file position for reading is at the beginning of the file, but output is always appended to the end of the file. 上述对a与a+模式的描述大致内容是:打开一个文件,如果该文...
result = fseek(stream, 0L, SEEK_SET); /* moves the pointer to the */ /* beginning of the file */ if (result == 0) printf("Pointer successfully moved to the beginning of the file.\n"); else printf("Failed moving pointer to the beginning of the file.\n"); }...
English Search < Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference Download PDF View More A newer version of this document is available. Customers should click here to go to the newest version....
fseek(fp,0L, SEEK_SET);// go to the beginning of the filefseek(fp,10L, SEEK_SET);// go 10 bytes into the filefseek(fp,2L, SEEK_CUR);// advance 2 bytes from the current positionfseek(fp,0L, SEEK_END);// go to the end of the filefseek(fp, -10L, SEEK_END);// back ...
// crt_fseek.c // This program opens the file FSEEK.OUT and // moves the pointer to the file's beginning. #include <stdio.h> int main( void ) { FILE *stream; char line[81]; int result; if ( fopen_s( &stream, "fseek.out", "w+" ) != 0 ) { printf( "The file fseek....
header("Content-Type:Text/html;charset=utf8"); $fp = fopen('d:\test\test.txt','r');//readsome data $data = fgets($fp,4096);//move back to the beginning of the file // same as rewind($fp); fseek($fp,0); 复制代码
// move back to the beginning of the file // same as rewind($fp); fseek ( $fp , 0 ); ?> 注释 Note: 如果使用附加模试(a 或 a+),任何写入文件数据都会被附加上去,而文件的位置将会被忽略,调用 fseek() 的结果尚未定义。 Note: Not all streams support seeking. For those that do not ...
成功则返回 0；否则返回 -1。注意移动到 EOF 之后的位置不算错误。范例 Example #1 fseek() 例子 <?php fp = fopen('somefile.txt', 'r');// read some data data = fgets($fp, 4096);// move back to the beginning of the file // same as rewind($fp);fseek($fp, 0);?> ...