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

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

实例代码：

rush: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 ();

?>

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