Java apk上传自动识别包名版本信息

解析apk方法
1、apktool cmd解析
2、解压apk，读取AndroidManifest.xml获取版本信息
因为第一种太麻烦了，要部署到docker麻烦，选用了第二种

本示例是上传时，把APK解压，遍历文件，如果是AndroidManifest.xml文件就取里面的值

参考这这里，源码和jar可以从这里下载
https://chensl.iteye.com/blog/2174290

 public String savePackage(CommonsMultipartFile file, Long pkVersion) throws Exception {
        if (file == null) {
            throw new RuntimeException("上传的文件为空,请重新上传！");
        }
        byte[] uploadBytes = file.getBytes();

        // 获取包信息apk信息的返回结果
        String[] apkResult = new String[3];
        ZipInputStream zs = new ZipInputStream(file.getInputStream());
        BufferedInputStream bs = new BufferedInputStream(zs);
        ZipEntry zipEntry;
        while ((zipEntry = zs.getNextEntry()) != null) {
            if (zipEntry.isDirectory()) {
                continue;
            }
            byte[] bytes = null;
            if ("androidmanifest.xml".equals(zipEntry.getName().toLowerCase())) {
                bytes = new byte[(int) zipEntry.getSize()];
                bs.read(bytes, 0, (int) zipEntry.getSize());
                InputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
                apkResult = AXMLPrinter.getApkInfo(byteArrayInputStream);

            }

        }

        bs.close();
        zs.close();
        if (StringUtils.isBlank(apkResult[0])) {
            throw new RuntimeException("未获取包名,请检测包");
        }

        //end包
        //get包名
        String pkPackage=apkResult[0];
        String fileName = file.getOriginalFilename();
        String fileSuffix = fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length());
        PackageVer fileInfoModel = new PackageVer();
        fileInfoModel.setPkName(fileName);
        fileInfoModel.setPkSize(file.getSize());
        fileInfoModel.setPkVersion(pkVersion);
        fileInfoModel.setPkPackage(pkPackage);


        MessageDigest md5 = MessageDigest.getInstance("MD5");
        byte[] digest = md5.digest(uploadBytes);
        String hashString = new BigInteger(1, digest).toString(16);
        fileInfoModel.setPkMd5(hashString);
        String fileId = fastDfsService.uploadPicFile(uploadBytes, fileSuffix);
        logger.info("uploadPicFile result={}", fileId);

        fileInfoModel.setPkUrl(fileUrlPrefix + "/" + fileId);
        fileInfoModel.setFileid(fileId);
        packageVerBiz.add(fileInfoModel);
        return "SUCCESS";

    }

 public static String[] getApkInfo(InputStream fileInputStream) throws Exception {

        final String[] apkResult = new String[3];

            AXmlResourceParser parser = new AXmlResourceParser();
            parser.open(fileInputStream);
            while (true) {
                int type = parser.next();
                if (type == XmlPullParser.END_DOCUMENT) {
                    break;
                }
                switch (type) {

                    case XmlPullParser.START_TAG: {
                        for (int i = 0; i != parser.getAttributeCount(); ++i) {
                            if ("package".equals(parser.getAttributeName(i))) {
                                apkResult[0] = getAttributeValue(parser, i);
                            } else if ("versionCode".equals(parser.getAttributeName(i))) {
                                apkResult[1] = getAttributeValue(parser, i);
                            } else if ("versionName".equals(parser.getAttributeName(i))) {
                                apkResult[2] = getAttributeValue(parser, i);
                            }
                        }
                        break;
                    }
                    default:
                }

            }

        return apkResult;

    }