package com.example.xiaoshiweixinback.business.utils.handler; import java.net.MalformedURLException; import java.net.URL; import java.net.URLClassLoader; public class DataProcessHandler { public interface IProcessData { Object processData(Object data, Object code); } public DataProcessHandler() { } public static Object getData(String typeName, String jarOrClassPath) { if (jarOrClassPath != null) { try { //用路径创建Url URL url = new URL("file:" + jarOrClassPath); //通过Url加载外部的jar包 URLClassLoader urlClassLoader = new URLClassLoader(new URL[]{url}); Class clazz = urlClassLoader.loadClass(typeName); return clazz.newInstance(); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | MalformedURLException e) { e.printStackTrace(); } } else { try { return Class.forName(typeName).newInstance(); } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) { e.printStackTrace(); } } return null; } public static void main(String[] args) { System.out.println("启动成功"); } }