Base64PicUtil.java

package com.viontech.util;

import org.apache.commons.codec.binary.Base64;
import sun.misc.BASE64Decoder;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Base64PicUtil {
    public static SimpleDateFormat FORMAT_YYYY_MM_DD = new SimpleDateFormat("yyyy-MM-dd");

    public static String uplodPicByBase64(String base64, String fineName, String filePath) {
        filePath = filePath + "/" + FORMAT_YYYY_MM_DD.format(new Date());
        File file = new File(filePath);
        if (!file.exists())
            file.mkdirs();
        try {
            filePath = filePath + "/" + fineName;
            byte[] buffer = (new BASE64Decoder()).decodeBuffer(base64);
            FileOutputStream out = new FileOutputStream(filePath);
            out.write(buffer);
            out.close();
            return filePath;
        } catch (IOException e) {
            e.printStackTrace();
            return "";
        }
    }

    public static String downlodPicForBase64(String filePath) throws IOException {
        File file = new File(filePath);
        FileInputStream inputFile = new FileInputStream(file);
        byte[] buffer = new byte[(int) file.length()];
        inputFile.read(buffer);
        inputFile.close();
        return Base64.encodeBase64String(buffer);
    }

    public static String save(String base64, String fileName, String picPath) {
        picPath = picPath + "/" + FORMAT_YYYY_MM_DD.format(new Date());
        String selfPath = picPath + "/" + fileName;

        byte[] base64byte = Base64.decodeBase64(base64);
        File file = new File(selfPath);
        file.getParentFile().mkdirs();
        try {
            if (!file.exists()) {
                file.createNewFile();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        try (FileOutputStream out = new FileOutputStream(file)) {
            out.write(base64byte, 0, base64byte.length);
            out.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return selfPath;
    }

    public static boolean makerDir(String filePath) {
        try {
            File dirFile = new File(filePath);
            if (!dirFile.exists()) {
                dirFile.setWritable(true, false);
                dirFile.mkdirs();
            }
            File fp = new File(filePath);
            dirFile = null;
            if (fp.exists()) {
                fp = null;
                return true;
            }
            fp = null;
            return false;
        } catch (Exception e) {
            return false;
        }
    }
}