类名:

class Person {

public void run(String who){

System.out.println("Person::run()" + who);

}

public void jump(String who){

System.out.println("Person::jump()" + who);

}

public void run(){

System.out.println("Person::run()");

}

public void jump(){

System.out.println("Person::jump()");

}

}

配置文件：

day2.mode1.Person

jump

java.lang.String

李玟

测试类：

import java.io.File;

import java.lang.reflect.Method;

import org.dom4j.Document;

import org.dom4j.io.SAXReader;

import org.junit.Test;

//使用dom4j和反射技术

public class Demo1 {

//解析xml文件

@Test

public void fanse() throws Exception

{

SAXReader saxReader = new SAXReader();

Document document = saxReader.read(new File("src/day2/mode1/config.xml"));

String className = document.selectSingleNode("//className").getText();

String methodName = document.selectSingleNode("//methodName").getText();

//System.out.println(className + ":" + methodName);

//反射创建对象并执行方法

Class clazz = Class.forName(className);

Method method = clazz.getMethod(methodName,null);

method.invoke(clazz.newInstance(),null);

}

//解析xml文件 参数

@Test

public void fanse2() throws Exception

{

SAXReader saxReader = new SAXReader();

Document document = saxReader.read(new File("src/day2/mode1/config.xml"));

String className = document.selectSingleNode("//className").getText();

String methodName = document.selectSingleNode("//methodName").getText();

//System.out.println(className + ":" + methodName);

//参数

String argType = document.selectSingleNode("//argType").getText();

String argValue = document.selectSingleNode("//argValue").getText();

//反射创建对象并执行方法

Class clazz = Class.forName(className);

Method method = clazz.getMethod(methodName,Class.forName(argType));

method.invoke(clazz.newInstance(),argValue);

}

}