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:
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<?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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