InputStream.read(byte[] b)和InputStream.read(byte[] b,int off,int len)这两个方法都是用来从流里读取多个字节的。 InputStream.read(byte[] b)和InputStream.read(byte
InputStream.read(byte[] b)和InputStream.read(byte[] b,int off,int len)这两个方法都是用来从流里读取多个字节的。 InputStream.read(byte[] b)和InputStream.read(byte