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
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2024-04-01 20:00:28
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:
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:
<?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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