package com.java110.utils.util;
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import sun.misc.BASE64Decoder;
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import sun.misc.BASE64Encoder;
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import java.io.*;
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public class Base64Convert {
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private void Base64Convert() {
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}
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/**
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* 流转换为字符串
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*
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* @param in
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* @return
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* @throws IOException
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*/
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public static String ioToBase64(InputStream in) throws IOException {
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String strBase64 = null;
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try {
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// in.available()返回文件的字节长度
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byte[] bytes = new byte[in.available()];
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// 将文件中的内容读入到数组中
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in.read(bytes);
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strBase64 = new BASE64Encoder().encode(bytes); //将字节流数组转换为字符串
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} finally {
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if (in != null) {
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in.close();
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}
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}
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return strBase64;
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}
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/**
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* 将base64 转为字节
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*
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* @param strBase64
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* @return
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* @throws IOException
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*/
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public static byte[] base64ToByte(String strBase64) throws IOException {
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// 解码,然后将字节转换为文件
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byte[] bytes = new BASE64Decoder().decodeBuffer(strBase64); //将字符串转换为byte数组
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return bytes;
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}
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}
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