反射-getter/setter-java

import java.lang.reflect.Method;

/**
 * Created with IDEA
 * author:foreign
 * Date:2019/9/30
 * Time:10:40
 */
public class ReflectionFk {
    public static void main(String[] args) {
        Class clazz = PersonFk.class;
        Method[] methods = clazz.getMethods();
        for (Method method : methods) {
            if (isGetter(method)) {
                System.out.println("getter方法：" + method);
            }
            if (isSetter(method)) {
                System.out.println("setter方法：" + method);
            }
        }
    }
    //setter方法不一定有返回值
    private static boolean isSetter(Method method) {
        if (!method.getName().startsWith("set")) {
            return false;
        }
        if (method.getParameterTypes().length != 1) {
            return false;
        }
        return true;
    }

    private static boolean isGetter(Method method) {
        if (!method.getName().startsWith("get")) {
            return false;
        }
        if (method.getParameterTypes().length != 0) {
            return false;
        }
        if (void.class.equals(method.getReturnType())) {
            return false;
        }
        return true;
    }
}