PHP常用技术文之文件操作和目录操作总结
<?php
header("content-type:text/html;charset=utf-8");
/* *声明一个函数,传入文件名获取文件属性 *@param string $fileName 文件名称 */
function getFilePro($fileName){
if(!file_exists($fileName)){
echo '文件不存在<br/>'; return;
}
/*是否是普通文件*/
if(is_file($fileName)){
echo $fileName.'是一个文件<br/>';
}
/*是否是目录*/
if(is_dir($fileName)){
echo $fileName.'是一个目录';
}
/*输出文件的型态*/
echo '文件型态是:'.getFileType($fileName).'<br/>'; /*文件大小,转换单位*/
echo '文件大小是:'.getFileSize(filesize($fileName)).'<br/>'; /*文件是否可读*/
if(is_readable($fileName)){
echo '文件可读<br/>';
}
/*文件是否可写*/
if(is_writable($fileName)){
echo '文件可写<br/>';
}
/*文件是否可执行*/
if(is_executable($fileName)){
echo '文件可执行<br/>';
}
echo '文件创立时间:'.date('Y年m月j日',filectime($fileName)).'<br/>';
echo '文件最后修改时间:'.date('Y年m月j日',filemtime($fileName)).'<br/>';
echo '文件最后打开时间:'.date('Y年m月j日',fileatime($fileName)).'<br/>'; } /* *声明一个函数,返回文件类型 *@param string $fileName 文件名称 */
function getFileType($fileName){ $type = '';
switch(filetype($fileName)){
case 'file':$type .= '普通文件';break;
case 'dir':$type .= '目录文件';break;
case 'block':$type .= '块设备文件';break;
case 'char':$type .= '字符设备文件';break;
case 'filo':$type .= '管道文件';break;
case 'link':$type .= '符号链接';break;
case 'unknown':$type .= '未知文件';break;
default:
}
return $type;
}
/* *声明一个函数,返回文件大小 *@param int $bytes 文件字节数 */
function getFileSize($bytes){
if($bytes >= pow(2,40)){
$return = round($bytes / pow(1024,4),2);
$suffix = 'TB';
}else if($bytes >= pow(2,30)){
$return = round($bytes / pow(1024,3),2);
$suffix = 'GB';
}else if($bytes >= pow(2,20)){
$return = round($bytes / pow(1024,2),2);
$suffix = 'MB';
}else if($bytes >= pow(2,10)){
$return = round($bytes / pow(1024,1),2);
$suffix = 'KB';
}else{
$return = $bytes;
$suffix = 'B';
}
return $return." ".$suffix;
}
/*调用函数,传入test目录下的test.txt文件*/
getFilePro('./yun/send.php');
?>
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" 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