一、返回结果字符串String转换成InputStream 字符串
Response r = client.getObject(container, object); get
InputStream stream =new ByteArrayInputStream(r.getBody().getBytes()); string
//其中r.getBody()为String类型 stream
二、InputStream转换成string cli
Response r = client.getObject(container, object);
int length=r.getStreamBody().available();
byte[] buf = new byte[length];
r.getStreamBody().read(buf,0,length);
stream = new ByteArrayInputStream(buf); object