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java110-utils/src/main/java/com/java110/utils/util/Base64Convert.java 1.6 KB
88e030b7   王彪总   init project
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  package com.java110.utils.util;
  
  import java.io.*;
  
  import org.apache.commons.codec.binary.Base64;
  
  public class Base64Convert {
  
  	private static final Base64 base64 = new Base64();
  	
      private void Base64Convert() {
  
      }
  
      /**
       * 流转换为字符串
       *
       * @param in
       * @return
       * @throws IOException
       */
      public static String ioToBase64(InputStream in) throws IOException {
          String strBase64 = null;
          try {
              // in.available()返回文件的字节长度
              byte[] bytes = new byte[in.available()];
              // 将文件中的内容读入到数组中
              in.read(bytes);
              strBase64 = base64.encodeToString(bytes);      //将字节流数组转换为字符串
          } finally {
              if (in != null) {
                  in.close();
              }
          }
  
          return strBase64;
      }
  
      /**
       * 流转换为字符串
       *
       * @param bytes
       * @return
       * @throws IOException
       */
      public static String byteToBase64(byte[] bytes)  {
          String strBase64 = null;
              // in.available()返回文件的字节长度
              strBase64 = base64.encodeToString(bytes);      //将字节流数组转换为字符串
          return strBase64;
      }
  
  
     
  
      /**
       * base64 转为字节
       *
       * @param strBase64
       * @return
       * @throws IOException
       */
      public static byte[] base64ToByte(String strBase64) throws IOException {
          // 解码,然后将字节转换为文件
          byte[] bytes = base64.decode(strBase64);   //将字符串转换为byte数组
          return bytes;
      }
  }