InputStream 转化为 byte[]

package com.dl.utils;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class UtilsIS2ByteA {
	
	
	//转化inputStream 为byte[]
	public static byte[] is2ByeteArray(InputStream is) throws IOException {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		byte[] buff = new byte[100];
		int rc = 0;
		while((rc=is.read(buff, 0, 100))>0) {
			baos.write(buff, 0, rc);
		}
		
		return baos.toByteArray();
	}

}