JAVA -- 使用BASE64Decoder

来源：互联网发布：淘宝店铺消保怎么交编辑：程序博客网时间：2024/06/01 07:57

package cn.com.toyota.ucar.webservices.vehiclerepertory;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

/**
* 使用sun.misc.BASE64Decoder和sun.misc.BASE64Encoder
* 完成文件转化二进制之间互相转化
* @author Ginger_Z
*
*/
public class BASE64test {
    /**
     *
     * @param path 目标文件
     * @param path2 生成文件
     * @return
     * @throws Exception
     */
    public static void encodeBase64File(String path,String path2) throws Exception {
        File file = new File(path);//创建目标文件对象
        FileInputStream inputFile = new FileInputStream(file);//输入流
        FileOutputStream out=new FileOutputStream(path2);//输出流
        OutputStreamWriter osw=new OutputStreamWriter(out);//文字写入流
        //文件读取时未使用缓冲，一次性读取
        byte[] buffer = new byte[(int) file.length()];
        inputFile.read(buffer);
        inputFile.close();
        //new BASE64Encoder().encode(buffer返回String类型的字符串
        //再使用文字输出流将其写出
        osw.write((new BASE64Encoder().encode(buffer)));
        osw.close();
        out.close();
      }
    public static void main(String[] args) {
        String path="C:\\Users\\Public\\Pictures\\Sample Pictures\\EAG42EqA_2560x1600.jpg";
        String path1="C:\\Users\\Public\\Pictures\\Sample Pictures\\EAG42EqA_2560x16002.txt";
        try {
            encodeBase64File(path,path1);
            File file=new File(path1);
            FileInputStream fis=new FileInputStream(file);
            FileOutputStream fos=new FileOutputStream("C:\\Users\\Public\\Pictures\\Sample Pictures\\EAG42EqA_2560x16003.jpg");
            BASE64Decoder bd=new BASE64Decoder();
            byte[] b=bd.decodeBuffer(fis);
            fos.write(b);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

}

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