InputStream与String,Byte之间互转，inputstreambyte,本文将介绍InputSt

InputStream与String,Byte之间互转，inputstreambyte,本文将介绍InputSt

本文将介绍InputStream与String,Byte之间的相互转换。以代码来说明：

InputStreamUtils.java

import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;/** *  * @author Andy.Chen * @mail Chenjunjun.ZJ@gmail.com * */public class InputStreamUtils {    final static int BUFFER_SIZE = 4096;    /**     * 将InputStream转换成String     * @param in InputStream     * @return String     * @throws Exception     *      */    public static String InputStreamTOString(InputStream in) throws Exception{        ByteArrayOutputStream outStream = new ByteArrayOutputStream();        byte[] data = new byte[BUFFER_SIZE];        int count = -1;        while((count = in.read(data,0,BUFFER_SIZE)) != -1)            outStream.write(data, 0, count);        data = null;        return new String(outStream.toByteArray(),"ISO-8859-1");    }    /**     * 将InputStream转换成某种字符编码的String     * @param in     * @param encoding     * @return     * @throws Exception     */         public static String InputStreamTOString(InputStream in,String encoding) throws Exception{        ByteArrayOutputStream outStream = new ByteArrayOutputStream();        byte[] data = new byte[BUFFER_SIZE];        int count = -1;        while((count = in.read(data,0,BUFFER_SIZE)) != -1)            outStream.write(data, 0, count);        data = null;        return new String(outStream.toByteArray(),"ISO-8859-1");    }    /**     * 将String转换成InputStream     * @param in     * @return     * @throws Exception     */    public static InputStream StringTOInputStream(String in) throws Exception{        ByteArrayInputStream is = new ByteArrayInputStream(in.getBytes("ISO-8859-1"));        return is;    }    /**     * 将InputStream转换成byte数组     * @param in InputStream     * @return byte[]     * @throws IOException     */    public static byte[] InputStreamTOByte(InputStream in) throws IOException{        ByteArrayOutputStream outStream = new ByteArrayOutputStream();        byte[] data = new byte[BUFFER_SIZE];        int count = -1;        while((count = in.read(data,0,BUFFER_SIZE)) != -1)            outStream.write(data, 0, count);        data = null;        return outStream.toByteArray();    }    /**     * 将byte数组转换成InputStream     * @param in     * @return     * @throws Exception     */    public static InputStream byteTOInputStream(byte[] in) throws Exception{        ByteArrayInputStream is = new ByteArrayInputStream(in);        return is;    }    /**     * 将byte数组转换成String     * @param in     * @return     * @throws Exception     */    public static String byteTOString(byte[] in) throws Exception{        InputStream is = byteTOInputStream(in);        return InputStreamTOString(is);    }}