php ziparchive中文乱码怎么办

$zip = new \ZipArchive();
$res = $zip->open('./钱学森班.zip');
if ($res !== true){    
throw new \Exception('打开压缩包失败');
}$zip->extractTo('./cache');
$zip->close();

$zipName = './钱学森班.zip';
$zip = new \ZipArchive();
$res = $zip->open($zipName);
if ($res !== true){
    throw new \Exception('打开压缩包失败');
}

// 加入此段↓
$fileNum = $zip->numFiles;
for ($i = 0; $i < $fileNum; $i++) {
    $statInfo = $zip->statIndex($i, ZipArchive::FL_ENC_RAW);
    $zip->renameIndex($i, iconv(&#39;GBK&#39;, &#39;utf-8//IGNORE&#39;, $statInfo[&#39;name&#39;]));
}
$zip->close();
$zip->open($zipName);
// 截至↑

$zip->extractTo($extractTo);
$zip->close();