From ec121b13c42658bc5bf2d4ff4a43f856e7159f58 Mon Sep 17 00:00:00 2001
From: ruying408 <1877972603@qq.com>
Date: Sat, 27 Jul 2024 15:07:06 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8F=92=E4=BB=B6=E4=BE=9D=E8=B5=96=E7=AC=AC?=
 =?UTF-8?q?=E4=B8=89=E6=96=B9jar=E5=A4=9A=E7=89=88=E6=9C=AC=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98=E5=85=BC=E5=AE=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/com/cool/Welcome.java           | 15 ++++++
 .../service/DynamicJarLoaderService.java      | 47 ++++++++++++++-----
 .../com/cool/core/util/CompilerUtils.java     | 18 +++++++
 3 files changed, 67 insertions(+), 13 deletions(-)
 create mode 100644 src/main/java/com/cool/Welcome.java

diff --git a/src/main/java/com/cool/Welcome.java b/src/main/java/com/cool/Welcome.java
new file mode 100644
index 0000000..4b4bd56
--- /dev/null
+++ b/src/main/java/com/cool/Welcome.java
@@ -0,0 +1,15 @@
+package com.cool;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequiredArgsConstructor
+public class Welcome {
+
+    @RequestMapping("/")
+    public String welcome() {
+        return "welcome";
+    }
+}
diff --git a/src/main/java/com/cool/core/plugin/service/DynamicJarLoaderService.java b/src/main/java/com/cool/core/plugin/service/DynamicJarLoaderService.java
index 11087e7..97a24df 100644
--- a/src/main/java/com/cool/core/plugin/service/DynamicJarLoaderService.java
+++ b/src/main/java/com/cool/core/plugin/service/DynamicJarLoaderService.java
@@ -9,6 +9,7 @@ import com.cool.core.config.PluginJson;
 import com.cool.core.exception.CoolPreconditions;
 import com.cool.core.plugin.config.DynamicJarClassLoader;
 import com.cool.core.util.AnnotationUtils;
+import com.cool.core.util.CompilerUtils;
 import com.cool.modules.plugin.entity.PluginInfoEntity;
 import com.cool.modules.plugin.service.PluginInfoService;
 import java.io.File;
@@ -74,19 +75,7 @@ public class DynamicJarLoaderService {
         try (JarFile jarFile = ((JarURLConnection) jarUrl.openConnection()).getJarFile()) {
             Enumeration<JarEntry> entries = jarFile.entries();
             while (entries.hasMoreElements()) {
-                JarEntry jarEntry = entries.nextElement();
-                if (jarEntry.getName().endsWith(".class")) {
-                    String className = jarEntry.getName().replace('/', '.').substring(0,
-                        jarEntry.getName().length() - 6);
-                    try {
-                        // 加载类
-                        Class<?> clazz = dynamicJarClassLoader.loadClass(className);
-                        if (AnnotationUtils.hasCoolPluginAnnotation(clazz)) {
-                            plugins.add(clazz);
-                        }
-                    } catch (NoClassDefFoundError ignored) {
-                    }
-                }
+                loadClass(entries, dynamicJarClassLoader, plugins);
             }
         }
 
@@ -99,6 +88,38 @@ public class DynamicJarLoaderService {
         return pluginJson;
     }
 
+    /**
+     * 加载class
+     */
+    private static void loadClass(Enumeration<JarEntry> entries,
+        DynamicJarClassLoader dynamicJarClassLoader, List<Class<?>> plugins)
+        throws ClassNotFoundException {
+        JarEntry jarEntry = entries.nextElement();
+
+        String entryName = jarEntry.getName();
+        if (!entryName.endsWith(".class")) {
+            return;
+        }
+        String className = entryName.replace('/', '.').substring(0, entryName.length() - 6);
+        if (entryName.startsWith(CompilerUtils.META_INF_VERSIONS)) {
+            // 处理多版本类
+            String jdkVersion = CompilerUtils.getJdkVersion();
+            if (!entryName.startsWith(CompilerUtils.META_INF_VERSIONS + jdkVersion)) {
+                return;
+            }
+            // 替换版本目录
+            className = className.replace((CompilerUtils.META_INF_VERSIONS + jdkVersion).replace("/", ".") + ".", "");
+        }
+        try {
+            // 加载类
+            Class<?> clazz = dynamicJarClassLoader.loadClass(className);
+            if (AnnotationUtils.hasCoolPluginAnnotation(clazz)) {
+                plugins.add(clazz);
+            }
+        } catch (NoClassDefFoundError | UnsupportedClassVersionError ignored) {
+        }
+    }
+
     /**
      * 注册插件
      */
diff --git a/src/main/java/com/cool/core/util/CompilerUtils.java b/src/main/java/com/cool/core/util/CompilerUtils.java
index 533f7ca..3e6506f 100644
--- a/src/main/java/com/cool/core/util/CompilerUtils.java
+++ b/src/main/java/com/cool/core/util/CompilerUtils.java
@@ -4,6 +4,8 @@ import cn.hutool.core.io.FileUtil;
 import com.mybatisflex.processor.MybatisFlexProcessor;
 import java.io.File;
 import java.io.IOException;
+import java.lang.management.ManagementFactory;
+import java.lang.management.RuntimeMXBean;
 import java.nio.charset.StandardCharsets;
 import java.util.List;
 import javax.annotation.processing.Processor;
@@ -17,6 +19,22 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class CompilerUtils {
 
+    public final static String META_INF_VERSIONS = "META-INF/versions/";
+
+    // jdk版本
+    private static String JVM_VERSION = null;
+
+    /**
+     * 获取jdk版本
+     */
+    public static String getJdkVersion() {
+        if (JVM_VERSION == null) {
+            RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
+            JVM_VERSION = runtimeMXBean.getSpecVersion();
+        }
+        return JVM_VERSION;
+    }
+
     /**
      * 创建文件, 先删除在创建
      */