PHP上传服务器并读取标识路径下内容

图片直接上传服务器并获取路径内容：

function __construct($app)
{
    $this->app = $app;

    $this->targetDir = 'files/upload_tmp';
    $this->_targetDir = 'files/upload_tmp/yq';
    $this->uploadDir = 'files/upload';
}

public function serverUpload(){

    if (isset($_REQUEST["name"])) {
        $fileName = $_REQUEST["name"];
    } elseif (!empty($_FILES)) {
        $fileName = $_FILES["file"]["name"];
    } else {
        $fileName = uniqid("file_");
    }

    kernel::single("modelsmatch_upload_files")->serverUpload(md5(uniqid(microtime())), $fileName,$_REQUEST["token"],

 'images/yq/' . $_REQUEST["token"]);
}

public function serverUpload($file_id, $fileName, $token, $uploadDir2 = 'files/upload/yq'){
    @set_time_limit(5 * 60);

    $cleanupTargetDir = true; // Remove old files
    $maxFileAge = 5 * 3600; // Temp file age in seconds

    $file_array = explode('.', $fileName);
    $old_file_name = $file_array[0];
    $ext_name = end($file_array);
    $targetDir = $this->_targetDir;
    $uploadDir = $uploadDir2;
   /* if (!file_exists($targetDir)) {
        @mkdir($targetDir);
    }

    if (!file_exists($uploadDir)) {
        @mkdir($uploadDir);
    }*/
    if (!file_exists($targetDir)) {
        $this->mkdir_p($targetDir);
    }

    // Create target dir
    if (!file_exists($uploadDir)) {
        $this->mkdir_p($uploadDir);
    }

    /*if (isset($_REQUEST["name"])) {
        $fileName = $_REQUEST["name"];
    } elseif (!empty($_FILES)) {
        $fileName = $_FILES["file"]["name"];
    } else {
        $fileName = uniqid("file_");
    }*/
    $filePath = $targetDir . '/' . $file_id . "." . $ext_name;;
    //$uploadPath = $uploadDir . '/' . iconv("utf-8", "gb2312", $fileName);
    $uploadPath = $uploadDir . '/' . $fileName;
    //$filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;
    //$uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName;

    $chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;
    $chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 1;

    if ($cleanupTargetDir) {
        if (!is_dir($targetDir) || !$dir = opendir($targetDir)) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."},

 "file_id" : "' . $file_id . '"}');
        }
        while (($file = readdir($dir)) !== false) {
            $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;
            // If temp file is current file proceed to the next
            if ($tmpfilePath == "{$filePath}_{$chunk}.part" || $tmpfilePath == "{$filePath}_{$chunk}.parttmp") {
                continue;
            }
            // Remove temp file if it is older than the max age and is not the current file
            if (preg_match('/\.(part|parttmp)$/', $file) && (@filemtime($tmpfilePath) < time() - $maxFileAge)) {
                @unlink($tmpfilePath);
            }
        }
        closedir($dir);
    }

    if (!$out = @fopen("{$filePath}_{$chunk}.parttmp", "wb")) {
        die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, 

"file_id" : "' . $file_id . '"}');
    }
    if (!empty($_FILES)) {
        if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, 

"file_id" : "' . $file_id . '"}');
        }
        // Read binary input stream and append it to temp file
        if (!$in = @fopen($_FILES["file"]["tmp_name"], "rb")) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."},

 "file_id" : "' . $file_id . '"}');
        }
    } else {
        if (!$in = @fopen("php://input", "rb")) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."},

 "file_id" : "' . $file_id . '"}');
        }
    }
    while ($buff = fread($in, 4096)) {
        fwrite($out, $buff);
    }
    @fclose($out);
    @fclose($in);
    rename("{$filePath}_{$chunk}.parttmp", "{$filePath}_{$chunk}.part");
    $index = 0;
    $done = true;
    for( $index = 0; $index < $chunks; $index++ ) {
        if ( !file_exists("{$filePath}_{$index}.part") ) {
            $done = false;
            break;
        }
    }
    if ( $done ) {
        if (!$out = @fopen($uploadPath, "wb")) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, 

"file_id" : "' . $file_id . '"}');
        }
        if ( flock($out, LOCK_EX) ) {
            for( $index = 0; $index < $chunks; $index++ ) {
                if (!$in = @fopen("{$filePath}_{$index}.part", "rb")) {
                    break;
                }
                while ($buff = fread($in, 4096)) {
                    fwrite($out, $buff);
                }
                @fclose($in);
                @unlink("{$filePath}_{$index}.part");
            }
            flock($out, LOCK_UN);
        }
        @fclose($out);
    }

    die('{"jsonrpc" : "2.0", "result" : "success", "file_id" : "' . $file_id . '","file_name":"' . $fileName . '",

"token":"' . $token . '","file_dir":"' . $uploadPath . '"}');
}

public function detail_read()
{
    // 查看详细信息
    $id = input::get('id');
    if ($id) {
      
        $info = app::get('modelsmatch')->model('picture_correct')->getRow('*', array('correct_id' => $id));
        $token=$info['token'];
        $dir = 'images/yq/'.$token.'/';
        $files = $this->get_dir_files($dir);
        $pagedata['data'] = $files;
        return view::make('modelsmatch/detailInfo.html', $pagedata)->render();
    }
}

public function get_dir_files($dir = "")
{

    if (empty($dir)) return array();

    $fp = opendir($dir);
    while (false != ($file = readdir($fp))) {
        //$file = iconv("gb2312", "utf-8", $file);
        //列出所有文件并去掉'.'和'..'
        if ($file == '.' || $file == '..') continue;
        $fileName = $file;
        $imgdir = $dir . $fileName;
        $url[] = kernel::base_url(1) . '/' . $imgdir;
    }
    closedir($fp);

    return $url;
}

部分函数方法查看：http://blog.youkuaiyun.com/zjuwangleicn/article/details/79309423