import java.io.bytearrayoutputstream;
import java.io.inputstream;
//从输入流中获取数据并以字节数组返回
public class streamtool {
/**
* 从输入流获取数据
* @param inputstream
* @return
* @throws exception
*/
public static byte[] readinputstream(inputstream inputstream) throws exception{
byte[] buffer = new byte[1024];
int len = -1;
bytearrayoutputstream outputstream = new bytearrayoutputstream();
while((len = inputstream.read(buffer)) != -1){
outputstream.write(buffer, 0, len);
}
outputstream.close();
inputstream.close();
return outputstream.tobytearray();
}
}
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