php 遍历目录,生成目录下每个文件的md5值并写入到结果文件中

前端之家收集整理的这篇文章主要介绍了php 遍历目录,生成目录下每个文件的md5值并写入到结果文件中前端之家小编觉得挺不错的,现在分享给大家,也给大家做个参考。

PHP 遍历目录,生成目录下每个文件的md5值并写入到结果文件

实例代码

PHP;"> /**

  • @author Administrator

  • */
    class TestGenerate {
    public static $appFolder = "";
    public static $ignoreFilePaths = array (
    "xxxx/xxx.php"
    );
    public static function start() {
    $AppPath = "E:\myApp";
    TestGenerate::$appFolder = $AppPath;
    $destManifestPath = "E:\temp2\dest.md5.txt";

    // dest file handle
    $manifestHandle = fopen ( $destManifestPath,"w+" );

    // write header
    TestGenerate::writeMaifestHeader ( $manifestHandle );

    // write md5
    TestGenerate::traverse ( $AppPath,$manifestHandle );

    // write footer
    TestGenerate::writeMaifestFooter ( $manifestHandle );

    // close file
    fclose ( $manifestHandle );
    }

/**

  • 遍历应用根目录下的文件,并生成对应的文件长度及md5信息
  • @param unknown $AppPath
  • 应用根目录,如:xxx/xxx/analytics
  • @param string $destManifestPath
  • 生成的manifest文件存放位置的文件句柄
    */
    public static function traverse($AppPath,$manifestHandle) {
    if (! file_exists ( $AppPath )) {
    printf ( $AppPath . " does not exist!" );
    return;
    }
    if (! is_dir ( $AppPath )) {
    printf ( $AppPath . " is not a directory!" );
    return;
    }
    if (! ($dh = opendir ( $AppPath ))) {
    printf ( "Failure while read diectory!" );
    return;
    }
// read files
while ( ($file = readdir ( $dh )) != false ) {
  $subDir = $AppPath . DIRECTORY_SEPARATOR . $file;

  if ($file == "." || $file == "..") {
    continue;
  } else if (is_dir ( $subDir )) {
    // rescure
    TestGenerate::traverse ( $subDir,$manifestHandle );
  } else {
    // Sub is a file.
    TestGenerate::writeOneFieToManifest ( $subDir,$manifestHandle );
  }
}

// close dir
closedir ( $dh );

}

/**

  • 写一个文件的md5信息到文件中
  • @param unknown $filePath
  • @param unknown $fileHandle
    */
    public static function writeOneFieToManifest($filePath,$fileHandle) {
    if (! file_exists ( $filePath )) {
    continue;
    }
$relativePath = str_replace ( TestGenerate::$appFolder . DIRECTORY_SEPARATOR,'',$filePath );
$relativePath = str_replace ( "\\","/",$relativePath );

// ignore tmp directory
if (strpos ( $relativePath,"tmp/" ) === 0) {
  return;
}

$fileSize = filesize ( $filePath );
$fileMd5 = @md5_file ( $filePath );

$content = "\t\t";
$content .= '"';
$content .= $relativePath;
$content .= '"';
$content .= ' => array("';
$content .= $fileSize;
$content .= '","';
$content .= $fileMd5;
$content .= '"),';
$content .= "\n";

if (! fwrite ( $fileHandle,$content )) {
  print ($filePath . " can not be written!") ;
}

}

/**

  • 在manifes文件中写入头信息
  • @param unknown $fileHandle
    */
    public static function writeMaifestHeader($fileHandle) {
    $header = "<?php";
    $header .= "\n";
    $header .= "// This file is automatically generated";
    $header .= "\n";
    $header .= "namespace test;";
    $header .= "\n";
    $header .= "class MyFile {";
    $header .= "\n";
    $header .= "\tstatic \$allFiles=array(";
    $header .= "\n";
if (! fwrite ( $fileHandle,$header )) {
  printf ( "Failure while write file header." );
}

}

/**

  • 在manifes文件中写入尾部信息
  • @param unknown $fileHandle
    */
    public static function writeMaifestFooter($fileHandle) {
    $footer = "\t);";
    $footer .= "\n";
    $footer .= "}";
    $footer .= "\n";
if (! fwrite ( $fileHandle,$footer )) {
  printf ( "Failure while write file header." );
}

}
}

// Start application
TestGenerate::start ();

?>

感谢阅读,希望能帮助到大家,谢谢大家对本站的支持

猜你在找的PHP相关文章