public static Method getClassFieldWriteMethod(Class<?> clazz, String fieldName) {
		return getClassWriteMethods(clazz).get(fieldName);
	}
public static Method getClassFieldWriteMethod ( Class < ? > clazz , String fieldName ) { return getClassWriteMethods ( clazz ) . get ( fieldName ) ; }
Return cached class field write method to avoid each time use reflect