File2Base64

import android.util.Base64;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

/**
 * Created by jiangtao on 2017/3/20 11:10
 * E-mail：3305727299@qq.com
 */
public class File2Base64 {

    /**
     * 将文件转成base64 字符串
     *
     * @param path 文件路径
     * @return 编码后的字符串
     * @author 3305727299@qq.com
     */
    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 Base64.encodeToString(buffer, Base64.DEFAULT);
    }

    /**
     * 将base64字符解码保存文件
     *
     * @param base64Code 编码后的字串
     * @param savePath   文件保存路径
     * @author 3305727299@qq.com
     */
    public static void decoderBase64File(String base64Code, String savePath) throws Exception {
        byte[] buffer = Base64.decode(base64Code, Base64.DEFAULT);
        FileOutputStream out = new FileOutputStream(savePath);
        out.write(buffer);
        out.close();
    }
}