开始创作
package cn.ps;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
public class Main {
public static void main(String[] args) throws Exception {
//读取jar包的路径
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
new URL("file:///D:/coutom.jar")
});
//获取jar下的Coutom类
Class<?> loadClass = urlClassLoader.loadClass("cn.ps.Coutom");
//将Coutom类实例化
Object object = loadClass.newInstance();
//获取coutom的方法,getMethod("方法名","参数")
Method method = object.getClass().getMethod("coutom");
//调用Coutom类下的coutom方法
method.invoke(object);
}
}