List转Map

/** *list转map * @param list                              list集合 * @param methodName                        对象方法名称 * @param methodArgs                        对象方法的参数 * @param <T>                               对象 * @param <K>                            转换Map的key数据类型 * @return Map                              转换后的map * @throws NoSuchMethodException        异常 * @throws InvocationTargetException    异常 * @throws IllegalAccessException        异常 */@SuppressWarnings("unchecked")public static <K, T> Map<K, T> listToMapKey(List<T> list, String methodName, Object... methodArgs) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {Map<K, T> returnMap = new HashMap<>();if (list != null) {for (T t : list) {Class<?> clz = t.getClass();Class[] argsClass = new Class[methodArgs.length];for (int i = 0; i < methodArgs.length; i++) {argsClass[i] = methodArgs[i].getClass();}Method mth = clz.getMethod(methodName, argsClass);K key = (K) mth.invoke(t, methodArgs);returnMap.put(key, t);}}return returnMap;}