反射调用参数为数组的方法2019-02-152019-02-15

反射类

    public static Boolean callMethod(String json,Map map) throws ClassNotFoundException, NoSuchMethodException, SecurityException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
        String id_card = "蛇精病";
        String pop_other = "小妖精";
        String[] s = new String[2];
        s[0]=id_card;
        s[1]=pop_other;
        //根据全类名获取一个class对象
        Class<?> clz = Class.forName("com.gsww.dgms.rule.batch.utils.CallMethodUtil");
        //获取类对象
        Constructor<?> declaredConstructor = clz.getDeclaredConstructor();
        //创建此class所表示的类的实例对象
        Object obj = declaredConstructor.newInstance();
        // 获取一个形式参数为String[]的方法
        Method method = obj.getClass().getDeclaredMethod(methodName,new Class[]{String[].class});
        //开启强制访问
        method.setAccessible(true);
        // 调用方法
        return (Boolean) method.invoke(obj, (Object) s);
    }

目标类

public class CallMethodUtil {
private void show(String[] strings){
        System.out.println("执行show方法完毕,ok"+strings[0]+"---"+strings[1]);
    }
}

执行结果