修改java17的反射调用

mainFactory/src/main/java/org/bfkj/utils/ScriptEnginePro.java

@@ -2,11 +2,13 @@ package org.bfkj.utils;
 
 import org.openjdk.nashorn.api.scripting.NashornScriptEngineFactory;
 import org.openjdk.nashorn.api.scripting.ScriptObjectMirror;
+import org.springframework.util.StringUtils;
 
 import javax.script.*;
 import java.io.File;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.*;
@@ -131,32 +133,20 @@ public class ScriptEnginePro {
         if (Objects.isNull(className) || Objects.isNull(computing_expression)) {
             return "java执行参数不全，类名:".concat(Objects.isNull(className) ? "" : className.toString()).concat("; 方法名：").concat(computing_expression);
         }
-        if (Objects.nonNull(filePath)) {//文件名不为空则加载外部JAR
-            File file = new File(System.getProperty("user.dir").concat(File.separator).concat("plugins").concat(File.separator).concat(filePath.toString()));
-            if (!file.exists()) {
-                return "外部文件加载不存在：".concat(System.getProperty("user.dir")).concat(File.separator).concat("plugins").concat(File.separator).concat(filePath.toString());
-            }
-            Method addURLMethod = null;
-            boolean accessible = false;
-            try {
-                addURLMethod = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
-                URLClassLoader classLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
-                accessible = addURLMethod.canAccess(null); //获取方法的访问权限以便恢复:判读是否可以访问: true  代表可以访问
-                if (!accessible) { //判读是否可以访问，如果是false，那就必须setAccessible(true)
-                    addURLMethod.setAccessible(true);//实际上是为了提效
-                }
-                addURLMethod.invoke(classLoader, file.toURI().toURL());//加载到系统中
-            } catch (Exception e) {
-                return "JAR加载到环境失败".concat(LogUtils.getException(e));
-            } finally {
-                if (addURLMethod != null && !accessible) {
-                    addURLMethod.setAccessible(false);//恢复原访问权限
+        try {
+            ClassLoader classLoader;
+            if (Objects.nonNull(filePath) && StringUtils.hasText(filePath.toString())) {//文件名不为空则加载外部JAR
+                File file = new File(System.getProperty("user.dir").concat(File.separator).concat("plugins").concat(File.separator).concat(filePath.toString()));
+                if (!file.exists()) {
+                    return "外部文件加载不存在：".concat(System.getProperty("user.dir")).concat(File.separator).concat("plugins").concat(File.separator).concat(filePath.toString());
                 }
+                URL url = file.toURI().toURL();
+                classLoader = new URLClassLoader(new URL[]{url}, Thread.currentThread().getContextClassLoader());
+            } else {
+                classLoader = Thread.currentThread().getContextClassLoader();
             }
-        }
-        try {
             initParam(); //初始化JAVA执行参数，只处理参数名，避免编译失败
-            Class<?> classExample = Class.forName(className.toString()); //获取类实例
+            Class<?> classExample = classLoader.loadClass(className.toString()); //获取类实例
             classInstance = classExample.getConstructor().newInstance();//类实例接口 无参数构造
             for (Method currentMethod : classExample.getMethods()) {//循环所有方法
                 String methodName = currentMethod.getName();