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：
<?php
/**
*@authorAdministrator
*
*/
classTestGenerate{
publicstatic$appFolder="";
publicstatic$ignoreFilePaths=array(
"xxxx/xxx.php"
);
publicstaticfunctionstart(){
$AppPath="E:\\myApp";
TestGenerate::$appFolder=$AppPath;
$destManifestPath="E:\\temp2\\dest.md5.txt";
//destfilehandle
$manifestHandle=fopen($destManifestPath,"w+");
//writeheader
TestGenerate::writeMaifestHeader($manifestHandle);
//writemd5
TestGenerate::traverse($AppPath,$manifestHandle);
//writefooter
TestGenerate::writeMaifestFooter($manifestHandle);
//closefile
fclose($manifestHandle);
}
/**
*遍历应用根目录下的文件，并生成对应的文件长度及md5信息
*
*@paramunknown$AppPath
*应用根目录，如：xxx/xxx/analytics
*@paramstring$destManifestPath
*生成的manifest文件存放位置的文件句柄
*/
publicstaticfunctiontraverse($AppPath,$manifestHandle){
if(!file_exists($AppPath)){
printf($AppPath."doesnotexist!");
return;
}
if(!is_dir($AppPath)){
printf($AppPath."isnotadirectory!");
return;
}
if(!($dh=opendir($AppPath))){
printf("Failurewhilereaddiectory!");
return;
}
//readfiles
while(($file=readdir($dh))!=false){
$subDir=$AppPath.DIRECTORY_SEPARATOR.$file;
if($file=="."||$file==".."){
continue;
}elseif(is_dir($subDir)){
//rescure
TestGenerate::traverse($subDir,$manifestHandle);
}else{
//Subisafile.
TestGenerate::writeOneFieToManifest($subDir,$manifestHandle);
}
}
//closedir
closedir($dh);
}
/**
*写一个文件的md5信息到文件中
*
*@paramunknown$filePath
*@paramunknown$fileHandle
*/
publicstaticfunctionwriteOneFieToManifest($filePath,$fileHandle){
if(!file_exists($filePath)){
continue;
}
$relativePath=str_replace(TestGenerate::$appFolder.DIRECTORY_SEPARATOR,'',$filePath);
$relativePath=str_replace("\\","/",$relativePath);
//ignoretmpdirectory
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."cannotbewritten!");
}
}
/**
*在manifes文件中写入头信息
*
*@paramunknown$fileHandle
*/
publicstaticfunctionwriteMaifestHeader($fileHandle){
$header="<?php";
$header.="\n";
$header.="//Thisfileisautomaticallygenerated";
$header.="\n";
$header.="namespacetest;";
$header.="\n";
$header.="classMyFile{";
$header.="\n";
$header.="\tstatic\$allFiles=array(";
$header.="\n";
if(!fwrite($fileHandle,$header)){
printf("Failurewhilewritefileheader.");
}
}
/**
*在manifes文件中写入尾部信息
*
*@paramunknown$fileHandle
*/
publicstaticfunctionwriteMaifestFooter($fileHandle){
$footer="\t);";
$footer.="\n";
$footer.="}";
$footer.="\n";
if(!fwrite($fileHandle,$footer)){
printf("Failurewhilewritefileheader.");
}
}
}
//Startapplication
TestGenerate::start();
?>
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