import net.minecraftforge.fml.relauncher.ReflectionHelper.UnableToFindMethodException; //导入依赖的package包/类
/**
 * Obtain a Method by name from class declaringClass.
 * Simplified version of {@link net.minecraftforge.fml.relauncher.ReflectionHelper#findMethod(Class, Object, String[], Class...)}.
 */
public static final Method getDeclaredMethod(final Class<?> declaringClass, String[] methodNames, Class<?>... parameterTypes)
{
	Exception failed = null;
	for (String methodName : methodNames)
	{
		try
		{
			Method method = declaringClass.getDeclaredMethod(methodName, parameterTypes);
			method.setAccessible(true);
			return method;
		}
		catch (Exception ex)
		{
			failed = ex;
		}
	}
	throw new UnableToFindMethodException(methodNames, failed);
}
 

import net.minecraftforge.fml.relauncher.ReflectionHelper.UnableToFindMethodException; //导入依赖的package包/类
public static <E> Method reflectMethod(Class<? super E> clazz, String[] methodNames, Class<?>... methodTypes)
{
    Exception failed = null;

    for (String methodName : methodNames)
    {
        try
        {
            Method m = clazz.getDeclaredMethod(methodName, methodTypes);
            m.setAccessible(true);
            return m;
        }
        catch (Exception e)
        {
            failed = e;
        }
    }

    throw new UnableToFindMethodException(methodNames, failed);
}