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

/**

* @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:temp2dest.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 = "tt";

$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 = "

$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 ();

?>

（编辑：李大同）

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