diff options
Diffstat (limited to 'src/main/java/com/keuin/ohmyvanillamc/ReflectionUtils.java')
-rw-r--r-- | src/main/java/com/keuin/ohmyvanillamc/ReflectionUtils.java | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/src/main/java/com/keuin/ohmyvanillamc/ReflectionUtils.java b/src/main/java/com/keuin/ohmyvanillamc/ReflectionUtils.java index 253c89d..a87632e 100644 --- a/src/main/java/com/keuin/ohmyvanillamc/ReflectionUtils.java +++ b/src/main/java/com/keuin/ohmyvanillamc/ReflectionUtils.java @@ -3,9 +3,10 @@ package com.keuin.ohmyvanillamc; import java.lang.reflect.Field; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; +import java.util.Arrays; /** - * @Author 落叶飞翔的蜗牛 + * @Author 落叶飞翔的蜗牛 Keuin * @Date 2018/3/10 * @Description 常用反射函数 */ @@ -13,10 +14,6 @@ public final class ReflectionUtils { /** * 获取私有成员变量的值 - * - * @param instance - * @param filedName - * @return */ public static Object getPrivateField(Object instance, String filedName) throws NoSuchFieldException, IllegalAccessException { Field field = instance.getClass().getDeclaredField(filedName); @@ -26,12 +23,6 @@ public final class ReflectionUtils { /** * 设置私有成员的值 - * - * @param instance - * @param fieldName - * @param value - * @throws NoSuchFieldException - * @throws IllegalAccessException */ public static void setPrivateField(Object instance, String fieldName, Object value) throws NoSuchFieldException, IllegalAccessException { Field field = instance.getClass().getDeclaredField(fieldName); @@ -41,19 +32,20 @@ public final class ReflectionUtils { /** * 访问私有方法 - * - * @param instance - * @param methodName - * @param classes - * @param args - * @return - * @throws NoSuchMethodException - * @throws InvocationTargetException - * @throws IllegalAccessException */ public static Object invokePrivateMethod(Object instance, String methodName, Class[] classes, Object... args) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException { Method method = instance.getClass().getDeclaredMethod(methodName, classes); method.setAccessible(true); return method.invoke(instance, args); } + + /** + * 获取所有成员变量的名字 + * + * @param o 要获取成员变量的对象实例 + * @return 所有成员变量名字数组 + */ + public static String[] getFieldName(Object o) { + return Arrays.stream(o.getClass().getDeclaredFields()).map(Field::getName).toArray(String[]::new); + } }
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