package com.reflex.test;

import java.io.IOException;

import java.io.InputStream;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.util.Properties;

import javax.annotation.Resource;

import javax.annotation.Resources;

import com.reflex.bean.Person;

import com.reflex.bean.Student;

public class RelectTestMain {

    public static void  main(String[] args) throws IOException, ClassNotFoundException, InstantiationException, IllegalAccessException, NoSuchMethodException, SecurityException, IllegalArgumentException, InvocationTargetException {

        /*1、加载配置文件

         * 用类名.class.getResourceAsStream("/xx")或者

         *   类名.class.getClassLoader().getResourceAsStream("xx");

         *         区别在于前者是需要反斜杠，后者不需要

         * */

        Properties properties = new Properties();

        properties.load(RelectTestMain.class.getResourceAsStream("/pro.properties"));

        //2、获取配置文件中定义的数据

        String className = properties.getProperty("className");

        String methodName = properties.getProperty("methodName");

        //3、加载该类进内存

        Class cls = Class.forName(className);

        //4、创建类对象

        Object obj = cls.newInstance();

        //5、获取对象方法

        Method method = cls.getMethod(methodName);

        //6、执行方法

        method.invoke(obj);

    }

}