文件处理类

<?php
/**
* Tiny - A PHP Framework For Web Artisans
* @author Tiny <tinylofty@gmail.com>
* @copyright Copyright(c) 2010-2014 http://www.tinyrise.com All rights reserved
* @version 1.0
*/
/**
* 文件处理类
*
* @author Tiny
* @class File
*/
class File
{
private $file;
private $fileName;
/**
* 构造方法
*
* @access public
* @param mixed $file
* @param string $mode
* @return mixed
*/
public function __construct($file=null,$mode='r+')
{
if(!is_null($file)){
$this->fileName = $file;
$dir=dirname($this->fileName);
if(!file_exists($dir))$this->mkdir($dir);
$this->file = fopen($file,$mode);
}
}
/**
* 析构关闭成功
*
* @access public
* @return mixed
*/
public function __destruct()
{
if(is_resource($this->file)){
fclose($this->file);
unset($this->fileName);
unset($this->file);
}
}
/**
* 写入数据
*
* @access public
* @param mixed $str
* @return mixed
*/
public function write($str)
{
$falg = false;
if(is_writeable($this->fileName) && flock($this->file, LOCK_EX | LOCK_NB)){
if(is_object($str) || is_array($str)) $str = serialize($str);
$flag = fwrite($this->file,$str)>0?true:false;
}
unset($str);
flock($this->file, LOCK_UN | LOCK_NB);
return $flag;
}
/**
* 读取数据
*
* @access public
* @return mixed
*/
public function read()
{
$contents = fread($this->file, filesize($this->fileName));
$tem = substr($contents,0,10);
if(preg_match('/^[Oa]:d+:.*/',$tem)){
$contents = unserialize($contents);
}
return $contents;
}
/**
* 读取指定的一行记录
*
* @access public
* @param int $start 开始位置
* @param int $len
* @return mixed
*/
public function gets($start=0,$len=1)
{
if($start<=0)$start = 0;
if($len<1) $len = 1;
$end = $start+$len;
$contents='';
for($i = 0; !feof($this->file) && $i<$end-1;$i++){
if($i >= $start-1)$contents.="line: ".($i+1)." ".fgets($this->file);
else fgets($this->file);
}
return $contents;
}
/**
* 取得文件内容
*
* @access public
* @param mixed $fileName
* @return mixed
*/
public static function getContents($fileName)
{
return file_get_contents($fileName);
}
/**
* 写入文件内容
*
* @access public
* @param mixed $fileName
* @param mixed $contents
* @return mixed
*/
public static function putContents($fileName,$contents)
{
$fileName = str_replace('/',DIRECTORY_SEPARATOR, $fileName);
if(!file_exists($fileName)) self::mkdir(dirname($fileName));
return file_put_contents($fileName,$contents);
}
/**
* 创建目录,实现多级目录的创建
*
* @access public
* @param mixed $dir
* @param int $right
* @return mixed
*/
public static function mkdir($dir,$right=0777)
{
return is_dir($dir) || (self::mkdir(dirname($dir)) && mkdir($dir, $right));
}
/**
* 删除目录下的所有文件
*
* @access public
* @param mixed $dir
* @return mixed
*/
public static function rmdir($dir)
{
if (!file_exists($dir)) return true;
if (!is_dir($dir) || is_link($dir)) return unlink($dir);
foreach (scandir($dir) as $item) {
if ($item == '.' || $item == '..') continue;
if (!self::rmdir($dir . "/" . $item)) {
chmod($dir . "/" . $item, 0777);
if (!self::rmdir($dir . "/" . $item)) return false;
};
}
return rmdir($dir);
}
/**
* 目录复制功能
*
* @access public
* @param mixed $source 源目录
* @param mixed $dest 目标目录
* @param bool $oncemore
* @return boolean
*/
public static function xcopy($source, $dest ,$oncemore=true)
{
if (!file_exists($source)){
trigger_error("$source is not exist!",E_ERROR);
}
if (is_dir($source)){
if (file_exists($dest) && !is_dir($dest)){
trigger_error("$dest is not a dir",E_ERROR);
}
if (!file_exists($dest)){
self::mkdir($dest,0777);
}
$od = opendir($source);
while ($one = readdir($od)){
if ($one=="." || $one==".."){
continue;
}
$result = self::xcopy($source.DIRECTORY_SEPARATOR.$one, $dest.DIRECTORY_SEPARATOR.$one, $oncemore);
if ($result !== true){
return $result;
}
}
closedir($od);
}else{
if (file_exists($dest) || is_dir($dest) ){
if ( func_num_args()>2 || $oncemore===true ){
trigger_error("$dest is not a dir",E_ERROR);
}
$result = self::xcopy($source, $dest.DIRECTORY_SEPARATOR.basename($source), $oncemore);
if ( $result !== true ){
return $result;
}
}else{
if(!file_exists(dirname($dest))) self::mkdir(dirname($dest));
copy($source, $dest);
touch($dest, filemtime($source));
}
}
return true;
}
/**
* socket 功能访问
*
* @access public
* @param mixed $url
* @param int $limit
* @param string $post
* @param string $cookie
* @param string $ip
* @param int $timeout
* @param bool $block
* @return mixed
*/
public static function socket($url, $limit = 0, $post = '', $cookie = '', $ip = '', $timeout = 20, $block = TRUE)
{
$return = '';
$matches = parse_url($url);
!isset($matches['host']) && $matches['host'] = '';
!isset($matches['path']) && $matches['path'] = '';
!isset($matches['query']) && $matches['query'] = '';
!isset($matches['port']) && $matches['port'] = '';
$host = $matches['host'];
$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';
$port = !empty($matches['port']) ? $matches['port'] : 80;
if($post){
$out = "POST $path HTTP/1.0 ";
$out .= "Accept: */* ";
$out .= "Accept-Language: zh-cn ";
$out .= "Content-Type: application/x-www-form-urlencoded ";
$out .= "User-Agent: $_SERVER[HTTP_USER_AGENT] ";
$out .= "Host: $host ";
$out .= 'Content-Length: '.strlen($post)." ";
$out .= "Connection: Close ";
$out .= "Cache-Control: no-cache ";
$out .= "Cookie: $cookie ";
$out .= $post;
}else{
$out = "GET $path HTTP/1.0 ";
$out .= "Accept: */* ";
$out .= "Accept-Language: zh-cn ";
$out .= "User-Agent: $_SERVER[HTTP_USER_AGENT] ";
$out .= "Host: $host ";
$out .= "Connection: Close ";
$out .= "Cookie: $cookie ";
}
$fp = @fsockopen(($ip ? $ip : $host), $port, $errno, $errstr, $timeout);
if(!$fp){
return '';
}else{
stream_set_blocking($fp, $block);
stream_set_timeout($fp, $timeout);
@fwrite($fp, $out);
$status = stream_get_meta_data($fp);
if(!$status['timed_out']){
while (!feof($fp)){
if(($header = @fgets($fp)) && ($header == " " || $header == " "))break;
}
$stop = false;
while(!feof($fp) && !$stop){
$data = fread($fp, ($limit == 0 || $limit > 8192 ? 8192 : $limit));
$return .= $data;
if($limit){
$limit -= strlen($data);
$stop = $limit <= 0;
}
}
}
@fclose($fp);
return $return;
}
}

/**
* curl 功能
*
* @access public
* @param mixed $url
* @param array $conf
* @return mixed
*/
public static function curl_open($url, $conf = array())
{
if(!function_exists('curl_init') or !is_array($conf)) return FALSE;
$post = '';
$purl = parse_url($url);
$arr = array(
'post' => FALSE,
'return' => TRUE,
'cookie' => APP_ROOT.'data/cookie.txt',);
$arr = array_merge($arr, $conf);
$ch = curl_init();

if($purl['scheme'] == 'https'){
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
}

curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, $arr['return']);
curl_setopt($ch, CURLOPT_COOKIEJAR, $arr['cookie']);
curl_setopt($ch, CURLOPT_COOKIEFILE, $arr['cookie']);
if($arr['post'] != FALSE){
curl_setopt($ch, CURL_POST, TRUE);
if(is_array($arr['post'])){
$post = http_build_query($arr['post']);
} else {
$post = $arr['post'];
}
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
}
$result = curl_exec($ch);
curl_close($ch);
return $result;
}
}
原文地址:https://www.cnblogs.com/csjoz/p/7244016.html