读取简单的配置文件

[java]代码库

package cn.itcast_06;

import java.io.FileReader;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.Properties;

public class Test {
	public static void main(String[] args)throws Exception {
		//加载键值对数据(读取配置文件)
		Properties prop = new Properties();
		FileReader fr = new FileReader("class.txt");
		prop.load(fr);
		fr.close();
		
		//获取数据
		String className = prop.getProperty("className");
		String methodName = prop.getProperty("methodName");

		
		//反射
		Class c = Class.forName(className);
		Constructor con = c.getConstructor();
		Object obj = con.newInstance();
		
		//调用方法
		Method m1 = c.getMethod(methodName);
		m1.invoke(obj);
		
		
	}

}



/*
*class.txt
*className=cn.itcast_06.Teacher
*methodName=love
*
*/