function Qiniu_RS_BatchDelete($self, $entryPaths)
{
    $params = array();
    foreach ($entryPaths as $entryPath) {
        $params[] = Qiniu_RS_URIDelete($entryPath->bucket, $entryPath->key);
    }
    return Qiniu_RS_Batch($self, $params);
}
 public function Qiniu_RS_Delete($self, $bucket, $key)
 {
     global $QINIU_RS_HOST;
     $uri = Qiniu_RS_URIDelete($bucket, $key);
     return Qiniu_Client_CallNoRet($self, $QINIU_RS_HOST . $uri);
 }