public static void main(String[] args) {
long start = System.currentTimeMillis();
System.out.println("开始生成差分包，请等待...");
int genDiff = DiffUtils.genDiff(Constants.OLD_APK, Constants.NEW_APK, Constants.PATCH_FILE);
long end = System.currentTimeMillis();
System.out.println(
"生成差分包成功：" + Constants.PATCH_FILE + "，耗时：" + (end - start) / 1000 + "秒, result=" + genDiff);
}
