Iphone 如何在objective-c中将ByteArray转换为NSString

在这个问题上，任何人都可以指导我，我必须在objective-c中将ByteArray转换为NSString。 目前我正在获取字节数组形式的文件，我必须将其转换为文件或字符串来生成文件

响应字符串为

<s:Body>
<GetDocumentResponse xmlns="http://tempuri.org/">
<GetDocumentResult>
PGJpbmRpbmcgbmFtZT0id3NIdHRwQmluZGluZ05vU0NUIj4gICAgICAgICA8c2VjdXJpdHkgbW9kZT0iTm9uZSI+ICAgICAgICAgICA8dHJhbnNwb3J0IGNsaWVudENyZWRlbnRpYWxUeXBlPSJOb25lIiAvPiAgICAgICAgICAgPG1lc3NhZ2UgZXN0YWJsaXNoU2VjdXJpdHlDb250ZXh0PSJmYWxzZSIgLz4gICAgICAgICA8L3NlY3VyaXR5PiAgICAgICA8L2JpbmRpbmc+
</GetDocumentResult>
</GetDocumentResponse>
</s:Body>

PGJPBMRPBMCGBMFTZT0ID3NIDHRWQMLUZGLUZ05VU0NUIJ4GICAGICAG8C2VJDXJPDHKGBW9KZT0ITM9UZSI+ICAGICAG8DHJHBNWb3J0J0JNGSAWDENYZWRBNRPYWXBLPSJOB25LIIAVPIAGICAGg1LC3NHZ2UGZXN0YWJSNOU2VJPDHLDB250ZX0ZX0PSJ0PSJYYYWZGIZIGLZ4GICAG8J8J0J8J0J0JJ0JJJJJJJJJJJ0JJJJJJ0JJJJJJJJJJ0JJJJJJ0J0JJ+

---

请在此

中指导使用

initWithData

方法的

NSString

@432问道，并给出了答案

可能存在的副本