import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
public class FileToBase64 {
/**
* <p>将文件转成base64 字符串</p>
* @param path 文件路径
* @return
* @throws Exception
*/
public static String encodeBase64File(String path) throws Exception {
File file = new File(path);
FileInputStream inputFile = new FileInputStream(file);
byte[] buffer = new byte[(int)file.length()];
inputFile.read(buffer);
inputFile.close();
return new BASE64Encoder().encode(buffer);
}
/**
* <p>将base64字符解码保存文件</p>
* @param base64Code
* @param targetPath
* @throws Exception
*/
public static void decoderBase64File(String base64Code,String targetPath) throws Exception {
byte[] buffer = new BASE64Decoder().decodeBuffer(base64Code);
FileOutputStream out = new FileOutputStream(targetPath);
out.write(buffer);
out.close();
}
/**
* <p>将base64字符保存文本文件</p>
* @param base64Code
* @param targetPath
* @throws Exception
*/
public static void toFile(String base64Code,String targetPath) throws Exception {
byte[] buffer = base64Code.getBytes();
FileOutputStream out = new FileOutputStream(targetPath);
out.write(buffer);
out.close();
}
public static void main(String[] args) {
try {
String base64Code =encodeBase64File("/Users/Crazy/Pictures/zyb2.jpg");
System.out.println(base64Code);
decoderBase64File(base64Code, "/Users/Crazy/Desktop/zyb.png");
toFile(base64Code, "/Users/Crazy/Desktop/zyb.txt");
} catch (Exception e) {
e.printStackTrace();
}
}
}