import net.minecraftforge.fml.common.asm.transformers.AccessTransformer; //导入依赖的package包/类
public static void injectAccessTransformer(File file, String atName, LaunchClassLoader loader) throws IOException {
if (!AlchemyEngine.isRuntimeDeobfuscationEnabled() || file == null)
	return;
String at = null;
try (JarFile jar = new JarFile(file)) {
	ZipEntry entry = jar.getEntry("META-INF/" + atName);
       if (entry != null)
       	at = Tool.read(jar.getInputStream(entry));
}
if (at != null) {
	List<IClassTransformer> transformers = $(loader, "transformers");
	for (IClassTransformer t : transformers)
		if (t instanceof AccessTransformer) {
			AccessTransformer transformer = (AccessTransformer) t;
			$(transformer, "processATFile", CharSource.wrap(at));
			break;
		}
}
  }