public function get_content()
{
$content = $this->cache->get($this->file_path);
if ($content == null) {
//不在缓存里，从阿里云oss获取
$oss = new AliyunOSS();
$file_object = array();
try {
$content = $oss->get_object($this->file_path, $this->file_bucket);
$file_object = array('status' => 200, 'content' => $content);
} catch (OssException $e) {
if (404 == $e->getHTTPStatus()) {
//resource not found
$content = "";
$file_object = array('status' => 404, 'content' => $content);
} else {
$file_object = NULL;
}
}
//缓存之:
$this->cache->put($this->file_path, serialize($file_object));
return $file_object;
} else {
//缓存里有
$file_object = unserialize($content);
return $file_object;
}
}
function __construct()
{
if (NULL == self::$_oss_client) {
self::$_oss_client = self::get_oss_client();
}
if (NULL == self::$_oss_client) {
throw new \Exception("cannot connect to oss service");
}
}
