{"id":89866,"date":"2026-08-04T00:24:36","date_gmt":"2026-08-03T16:24:36","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89866.html"},"modified":"2026-08-04T00:24:36","modified_gmt":"2026-08-03T16:24:36","slug":"jdk%e4%b8%8ecglib%e5%8a%a8%e6%80%81%e4%bb%a3%e7%90%86%e5%ae%9e%e6%88%98%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89866.html","title":{"rendered":"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790"},"content":{"rendered":"

JDK\u52a8\u6001\u4ee3\u7406\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u4ee3\u7801\u5b9e\u73b0\u8be6\u89e3<\/h2>\n

1. \u5b9e\u73b0\u539f\u7406\u5bf9\u6bd4<\/h3>\n\n\u7279\u6027JDK\u52a8\u6001\u4ee3\u7406CGLIB\u52a8\u6001\u4ee3\u7406<\/tr>\n\n\n\n\n\n\n
\u5b9e\u73b0\u65b9\u5f0f<\/td>\n\u57fa\u4e8e\u63a5\u53e3，\u4f7f\u7528Proxy\u7c7b\u548cInvocationHandler\u63a5\u53e3<\/td>\n\u57fa\u4e8e\u7ee7\u627f，\u4f7f\u7528\u5b57\u8282\u7801\u6280\u672f\u751f\u6210\u76ee\u6807\u7c7b\u7684\u5b50\u7c7b<\/td>\n<\/tr>\n
\u4f9d\u8d56<\/td>\nJava\u6807\u51c6\u5e93（java.lang.reflect）<\/td>\n\u7b2c\u4e09\u65b9\u5e93（cglib）<\/td>\n<\/tr>\n
\u6027\u80fd<\/td>\nJDK6+\u7248\u672c\u6027\u80fd\u4f18\u5316，\u901a\u5e38\u4e0d\u900a\u4e8eCGLIB<\/td>\n\u65e9\u671f\u7248\u672c\u6027\u80fd\u4f18\u52bf\u660e\u663e，\u4f46\u751f\u6210\u5b57\u8282\u7801\u6709\u5f00\u9500<\/td>\n<\/tr>\n
\u9650\u5236<\/td>\n\u53ea\u80fd\u4ee3\u7406\u5b9e\u73b0\u4e86\u63a5\u53e3\u7684\u7c7b<\/td>\n\u65e0\u6cd5\u4ee3\u7406final\u7c7b\u548c\u65b9\u6cd5<\/td>\n<\/tr>\n
Spring\u9ed8\u8ba4<\/td>\n\u76ee\u6807\u5bf9\u8c61\u5b9e\u73b0\u63a5\u53e3\u65f6\u4f7f\u7528<\/td>\n\u76ee\u6807\u5bf9\u8c61\u672a\u5b9e\u73b0\u63a5\u53e3\u65f6\u4f7f\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. JDK\u52a8\u6001\u4ee3\u7406\u4ee3\u7801\u5b9e\u73b0<\/h3>\n

2.1 \u5b9a\u4e49\u63a5\u53e3<\/h4>\n

\/\/ \u5b9a\u4e49\u4e1a\u52a1\u63a5\u53e3
\npublic interface UserService {
\n String getUserName(Long userId);
\n void updateUser(Long userId, String userName);
\n}<\/p>\n

2.2 \u5b9e\u73b0\u76ee\u6807\u7c7b<\/h4>\n

\/\/ \u5b9e\u73b0\u63a5\u53e3\u7684\u76ee\u6807\u7c7b
\npublic class UserServiceImpl implements UserService {
\n @Override
\n public String getUserName(Long userId) {
\n System.out.println("\u67e5\u8be2\u7528\u6237ID: " + userId);
\n return "\u7528\u6237" + userId;
\n }<\/p>\n

@Override
\n public void updateUser(Long userId, String userName) {
\n System.out.println("\u66f4\u65b0\u7528\u6237ID: " + userId + "，\u65b0\u540d\u79f0: " + userName);
\n }
\n}<\/p>\n

2.3 \u5b9e\u73b0InvocationHandler<\/h4>\n

import java.lang.reflect.InvocationHandler;
\nimport java.lang.reflect.Method;
\nimport java.util.Arrays;<\/p>\n

public class JdkProxyHandler implements InvocationHandler {
\n private Object target; \/\/ \u76ee\u6807\u5bf9\u8c61<\/p>\n

public JdkProxyHandler(Object target) {
\n this.target = target;
\n }<\/p>\n

@Override
\n public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
\n \/\/ \u524d\u7f6e\u589e\u5f3a
\n System.out.println("\u3010JDK\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u524d: " + method.getName());
\n System.out.println("\u3010JDK\u4ee3\u7406\u3011\u53c2\u6570: " + Arrays.toString(args));<\/p>\n

long startTime = System.currentTimeMillis();<\/p>\n

\/\/ \u6267\u884c\u76ee\u6807\u65b9\u6cd5
\n Object result = method.invoke(target, args);<\/p>\n

\/\/ \u540e\u7f6e\u589e\u5f3a
\n long endTime = System.currentTimeMillis();
\n System.out.println("\u3010JDK\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u540e，\u8017\u65f6: " + (endTime – startTime) + "ms");<\/p>\n

return result;
\n }
\n}<\/p>\n

2.4 \u521b\u5efa\u4ee3\u7406\u5bf9\u8c61<\/h4>\n

import java.lang.reflect.Proxy;<\/p>\n

public class JdkProxyDemo {
\n public static void main(String[] args) {
\n \/\/ 1. \u521b\u5efa\u76ee\u6807\u5bf9\u8c61
\n UserService target = new UserServiceImpl();<\/p>\n

\/\/ 2. \u521b\u5efaInvocationHandler
\n JdkProxyHandler handler = new JdkProxyHandler(target);<\/p>\n

\/\/ 3. \u521b\u5efa\u4ee3\u7406\u5bf9\u8c61
\n UserService proxy = (UserService) Proxy.newProxyInstance(
\n target.getClass().getClassLoader(), \/\/ \u7c7b\u52a0\u8f7d\u5668
\n target.getClass().getInterfaces(), \/\/ \u5b9e\u73b0\u7684\u63a5\u53e3\u6570\u7ec4
\n handler \/\/ InvocationHandler
\n );<\/p>\n

\/\/ 4. \u4f7f\u7528\u4ee3\u7406\u5bf9\u8c61
\n System.out.println("\u4ee3\u7406\u5bf9\u8c61\u7c7b\u578b: " + proxy.getClass());
\n System.out.println("\u4ee3\u7406\u5bf9\u8c61\u7236\u7c7b: " + proxy.getClass().getSuperclass());
\n System.out.println("\u4ee3\u7406\u5bf9\u8c61\u63a5\u53e3: " + Arrays.toString(proxy.getClass().getInterfaces()));<\/p>\n

\/\/ 5. \u8c03\u7528\u4ee3\u7406\u65b9\u6cd5
\n String userName = proxy.getUserName(1001L);
\n System.out.println("\u83b7\u53d6\u7684\u7528\u6237\u540d: " + userName);<\/p>\n

proxy.updateUser(1002L, "\u65b0\u7528\u6237\u540d");
\n }
\n}<\/p>\n

\u8f93\u51fa\u7ed3\u679c\u793a\u4f8b：<\/p>\n

\u4ee3\u7406\u5bf9\u8c61\u7c7b\u578b: class com.sun.proxy.$Proxy0
\n\u4ee3\u7406\u5bf9\u8c61\u7236\u7c7b: class java.lang.reflect.Proxy
\n\u4ee3\u7406\u5bf9\u8c61\u63a5\u53e3: [interface com.example.UserService]
\n\u3010JDK\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u524d: getUserName
\n\u3010JDK\u4ee3\u7406\u3011\u53c2\u6570: [1001]
\n\u67e5\u8be2\u7528\u6237ID: 1001
\n\u3010JDK\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u540e，\u8017\u65f6: 1ms
\n\u83b7\u53d6\u7684\u7528\u6237\u540d: \u7528\u62371001<\/p>\n

3. CGLIB\u52a8\u6001\u4ee3\u7406\u4ee3\u7801\u5b9e\u73b0<\/h3>\n

3.1 \u6dfb\u52a0\u4f9d\u8d56（Maven）<\/h4>\n

<dependency>
\n <groupId>cglib<\/groupId>
\n <artifactId>cglib<\/artifactId>
\n <version>3.3.0<\/version>
\n<\/dependency><\/p>\n

3.2 \u5b9a\u4e49\u76ee\u6807\u7c7b（\u65e0\u9700\u63a5\u53e3）<\/h4>\n

\/\/ \u76ee\u6807\u7c7b，\u4e0d\u9700\u8981\u5b9e\u73b0\u63a5\u53e3
\npublic class UserServiceCglib {
\n public String getUserName(Long userId) {
\n System.out.println("CGLIB – \u67e5\u8be2\u7528\u6237ID: " + userId);
\n return "CGLIB\u7528\u6237" + userId;
\n }<\/p>\n

public void updateUser(Long userId, String userName) {
\n System.out.println("CGLIB – \u66f4\u65b0\u7528\u6237ID: " + userId + "，\u65b0\u540d\u79f0: " + userName);
\n }<\/p>\n

\/\/ final\u65b9\u6cd5\u65e0\u6cd5\u88ab\u4ee3\u7406
\n public final String getFinalInfo() {
\n return "\u8fd9\u662ffinal\u65b9\u6cd5";
\n }
\n}<\/p>\n

3.3 \u5b9e\u73b0MethodInterceptor<\/h4>\n

import net.sf.cglib.proxy.Enhancer;
\nimport net.sf.cglib.proxy.MethodInterceptor;
\nimport net.sf.cglib.proxy.MethodProxy;
\nimport java.lang.reflect.Method;
\nimport java.util.Arrays;<\/p>\n

public class CglibInterceptor implements MethodInterceptor {
\n @Override
\n public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
\n \/\/ \u524d\u7f6e\u589e\u5f3a
\n System.out.println("\u3010CGLIB\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u524d: " + method.getName());
\n System.out.println("\u3010CGLIB\u4ee3\u7406\u3011\u53c2\u6570: " + Arrays.toString(args));<\/p>\n

\/\/ \u8fc7\u6ee4final\u65b9\u6cd5
\n if (method.getName().equals("getFinalInfo")) {
\n System.out.println("\u3010CGLIB\u4ee3\u7406\u3011final\u65b9\u6cd5\u76f4\u63a5\u6267\u884c");
\n return proxy.invokeSuper(obj, args);
\n }<\/p>\n

long startTime = System.currentTimeMillis();<\/p>\n

\/\/ \u6267\u884c\u76ee\u6807\u65b9\u6cd5 – \u6ce8\u610f\u8fd9\u91cc\u4f7f\u7528invokeSuper\u8c03\u7528\u7236\u7c7b\u65b9\u6cd5
\n Object result = proxy.invokeSuper(obj, args);<\/p>\n

\/\/ \u540e\u7f6e\u589e\u5f3a
\n long endTime = System.currentTimeMillis();
\n System.out.println("\u3010CGLIB\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u540e，\u8017\u65f6: " + (endTime – startTime) + "ms");<\/p>\n

return result;
\n }
\n}<\/p>\n

3.4 \u521b\u5efa\u4ee3\u7406\u5bf9\u8c61<\/h4>\n

import net.sf.cglib.proxy.Enhancer;<\/p>\n

public class CglibProxyDemo {
\n public static void main(String[] args) {
\n \/\/ 1. \u521b\u5efaEnhancer\u5bf9\u8c61
\n Enhancer enhancer = new Enhancer();<\/p>\n

\/\/ 2. \u8bbe\u7f6e\u7236\u7c7b（\u76ee\u6807\u7c7b）
\n enhancer.setSuperclass(UserServiceCglib.class);<\/p>\n

\/\/ 3. \u8bbe\u7f6e\u56de\u8c03（\u62e6\u622a\u5668）
\n enhancer.setCallback(new CglibInterceptor());<\/p>\n

\/\/ 4. \u521b\u5efa\u4ee3\u7406\u5bf9\u8c61
\n UserServiceCglib proxy = (UserServiceCglib) enhancer.create();<\/p>\n

\/\/ 5. \u5206\u6790\u4ee3\u7406\u5bf9\u8c61
\n System.out.println("\u4ee3\u7406\u5bf9\u8c61\u7c7b\u578b: " + proxy.getClass());
\n System.out.println("\u4ee3\u7406\u5bf9\u8c61\u7236\u7c7b: " + proxy.getClass().getSuperclass());
\n System.out.println("\u662f\u5426\u7ee7\u627f\u76ee\u6807\u7c7b: " + UserServiceCglib.class.isAssignableFrom(proxy.getClass()));<\/p>\n

\/\/ 6. \u8c03\u7528\u4ee3\u7406\u65b9\u6cd5
\n String userName = proxy.getUserName(2001L);
\n System.out.println("\u83b7\u53d6\u7684\u7528\u6237\u540d: " + userName);<\/p>\n

proxy.updateUser(2002L, "CGLIB\u65b0\u7528\u6237\u540d");<\/p>\n

\/\/ 7. \u6d4b\u8bd5final\u65b9\u6cd5
\n System.out.println("final\u65b9\u6cd5\u7ed3\u679c: " + proxy.getFinalInfo());
\n }
\n}<\/p>\n

\u8f93\u51fa\u7ed3\u679c\u793a\u4f8b：<\/p>\n

\u4ee3\u7406\u5bf9\u8c61\u7c7b\u578b: class com.example.UserServiceCglib$$EnhancerByCGLIB$$xxxx
\n\u4ee3\u7406\u5bf9\u8c61\u7236\u7c7b: class com.example.UserServiceCglib
\n\u662f\u5426\u7ee7\u627f\u76ee\u6807\u7c7b: true
\n\u3010CGLIB\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u524d: getUserName
\n\u3010CGLIB\u4ee3\u7406\u3011\u53c2\u6570: [2001]
\nCGLIB – \u67e5\u8be2\u7528\u6237ID: 2001
\n\u3010CGLIB\u4ee3\u7406\u3011\u65b9\u6cd5\u6267\u884c\u540e，\u8017\u65f6: 2ms
\n\u83b7\u53d6\u7684\u7528\u6237\u540d: CGLIB\u7528\u62372001<\/p>\n

4. \u7efc\u5408\u5bf9\u6bd4\u793a\u4f8b<\/h3>\n

4.1 \u6027\u80fd\u6d4b\u8bd5\u4ee3\u7801<\/h4>\n

public class ProxyPerformanceTest {
\n public static void main(String[] args) {
\n int iterations = 1000000;<\/p>\n

\/\/ JDK\u4ee3\u7406\u6027\u80fd\u6d4b\u8bd5
\n UserService jdkTarget = new UserServiceImpl();
\n JdkProxyHandler jdkHandler = new JdkProxyHandler(jdkTarget);
\n UserService jdkProxy = (UserService) Proxy.newProxyInstance(
\n jdkTarget.getClass().getClassLoader(),
\n jdkTarget.getClass().getInterfaces(),
\n jdkHandler
\n );<\/p>\n

long jdkStart = System.currentTimeMillis();
\n for (int i = 0; i < iterations; i++) {
\n jdkProxy.getUserName((long) i);
\n }
\n long jdkEnd = System.currentTimeMillis();
\n System.out.println("JDK\u4ee3\u7406\u6267\u884c" + iterations + "\u6b21\u8017\u65f6: " + (jdkEnd – jdkStart) + "ms");<\/p>\n

\/\/ CGLIB\u4ee3\u7406\u6027\u80fd\u6d4b\u8bd5
\n Enhancer enhancer = new Enhancer();
\n enhancer.setSuperclass(UserServiceCglib.class);
\n enhancer.setCallback(new CglibInterceptor());
\n UserServiceCglib cglibProxy = (UserServiceCglib) enhancer.create();<\/p>\n

long cglibStart = System.currentTimeMillis();
\n for (int i = 0; i < iterations; i++) {
\n cglibProxy.getUserName((long) i);
\n }
\n long cglibEnd = System.currentTimeMillis();
\n System.out.println("CGLIB\u4ee3\u7406\u6267\u884c" + iterations + "\u6b21\u8017\u65f6: " + (cglibEnd – cglibStart) + "ms");
\n }
\n}<\/p>\n

4.2 Spring\u4e2d\u7684\u9009\u62e9\u7b56\u7565<\/h4>\n

\/\/ Spring AOP\u914d\u7f6e\u793a\u4f8b
\n@Configuration
\n@EnableAspectJAutoProxy
\npublic class AopConfig {
\n \/\/ Spring\u9ed8\u8ba4\u4f7f\u7528JDK\u52a8\u6001\u4ee3\u7406
\n \/\/ \u5f53\u76ee\u6807\u5bf9\u8c61\u5b9e\u73b0\u63a5\u53e3\u65f6\u4f7f\u7528JDK\u4ee3\u7406
\n \/\/ \u5f53\u76ee\u6807\u5bf9\u8c61\u672a\u5b9e\u73b0\u63a5\u53e3\u65f6\u4f7f\u7528CGLIB\u4ee3\u7406<\/p>\n

\/\/ \u5f3a\u5236\u4f7f\u7528CGLIB\u4ee3\u7406\u7684\u914d\u7f6e
\n @Bean
\n public static BeanFactoryPostProcessor forceCglibProxy() {
\n return beanFactory -> {
\n if (beanFactory instanceof AbstractApplicationContext) {
\n ((AbstractApplicationContext) beanFactory)
\n .getBeanFactory()
\n .addBeanPostProcessor(new DefaultAdvisorAutoProxyCreator() {
\n @Override
\n protected boolean shouldProxyTargetClass(Class<?> beanClass, String beanName) {
\n return true; \/\/ \u5f3a\u5236\u4f7f\u7528CGLIB
\n }
\n });
\n }
\n };
\n }
\n}<\/p>\n

5. \u5173\u952e\u533a\u522b\u603b\u7ed3<\/h3>\n
  • \n

    \u4ee3\u7406\u673a\u5236\u4e0d\u540c：<\/p>\n

      \n
    • JDK\u52a8\u6001\u4ee3\u7406\u57fa\u4e8e\u63a5\u53e3，\u901a\u8fc7Proxy.newProxyInstance()\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61<\/li>\n
    • CGLIB\u57fa\u4e8e\u7ee7\u627f，\u901a\u8fc7Enhancer.create()\u751f\u6210\u76ee\u6807\u7c7b\u7684\u5b50\u7c7b<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u65b9\u6cd5\u8c03\u7528\u65b9\u5f0f\u4e0d\u540c：<\/p>\n

      \/\/ JDK\u4ee3\u7406\u4f7f\u7528\u53cd\u5c04\u8c03\u7528
      \nObject result = method.invoke(target, args);<\/p>\n

      \/\/ CGLIB\u4ee3\u7406\u4f7f\u7528\u65b9\u6cd5\u4ee3\u7406\u8c03\u7528
      \nObject result = proxy.invokeSuper(obj, args);\n <\/li>\n

    • \n

      \u6027\u80fd\u8003\u8651：<\/p>\n

        \n
      • JDK8+\u7248\u672c\u4e2d，JDK\u52a8\u6001\u4ee3\u7406\u6027\u80fd\u5df2\u663e\u8457\u63d0\u5347<\/li>\n
      • CGLIB\u5728\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\u65f6\u6709\u989d\u5916\u5f00\u9500，\u4f46\u65b9\u6cd5\u8c03\u7528\u53ef\u80fd\u66f4\u5feb<\/li>\n<\/ul>\n<\/li>\n
      • \n

        \u4f7f\u7528\u573a\u666f：<\/p>\n

          \n
        • JDK\u4ee3\u7406：Spring\u9ed8\u8ba4，\u9002\u5408\u6709\u63a5\u53e3\u7684\u7c7b，\u7b26\u5408\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\u539f\u5219<\/li>\n
        • CGLIB\u4ee3\u7406：\u9700\u8981\u4ee3\u7406\u6ca1\u6709\u63a5\u53e3\u7684\u7c7b，\u6216\u9700\u8981\u4ee3\u7406\u7c7b\u4e2d\u7684\u5177\u4f53\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n
        • \n

          \u517c\u5bb9\u6027：<\/p>\n

            \n
          • JDK\u4ee3\u7406\u662fJava\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206，\u65e0\u9700\u989d\u5916\u4f9d\u8d56<\/li>\n
          • CGLIB\u9700\u8981\u7b2c\u4e09\u65b9\u5e93，\u4e14\u5728Java 17+\u53ef\u80fd\u9700\u8981\u6dfb\u52a0JVM\u53c2\u6570<\/li>\n<\/ul>\n<\/li>\n

            \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d，Spring\u6846\u67b6\u4f1a\u6839\u636e\u76ee\u6807\u5bf9\u8c61\u662f\u5426\u5b9e\u73b0\u63a5\u53e3\u81ea\u52a8\u9009\u62e9\u4ee3\u7406\u65b9\u5f0f\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u5e94\u7528，\u8fd9\u79cd\u81ea\u52a8\u9009\u62e9\u673a\u5236\u5df2\u7ecf\u8db3\u591f，\u53ea\u6709\u5728\u7279\u5b9a\u6027\u80fd\u8981\u6c42\u6216\u529f\u80fd\u9700\u6c42\u65f6\u624d\u9700\u8981\u624b\u52a8\u6307\u5b9a\u4ee3\u7406\u65b9\u5f0f\u3002<\/p>\n

            \n

            \u53c2\u8003\u6765\u6e90<\/h3>\n
              \n
            • java jdk\u52a8\u6001\u4ee3\u7406\u548ccglib\u52a8\u6001\u4ee3\u7406\u5bf9\u6bd4，\u5b9e\u73b0，\u533a\u522b<\/li>\n
            • JDK\u548cCGLIB\u52a8\u6001\u4ee3\u7406\u533a\u522b<\/li>\n
            • jdk\u52a8\u6001\u4ee3\u7406\u548ccglib\u52a8\u6001\u4ee3\u7406\u5bf9\u6bd4<\/li>\n
            • jdk\u52a8\u6001\u4ee3\u7406\u548cCGLIB\u52a8\u6001\u4ee3\u7406\u7684\u533a\u522b<\/li>\n
            • JDK\u548cCGLIB\u52a8\u6001\u4ee3\u7406\u7684\u533a\u522b<\/li>\n
            • JDK\u548cCGLib\u52a8\u6001\u4ee3\u7406\u5b9e\u73b0\u548c\u533a\u522b<\/li>\n<\/ul>\n

              \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

              JDK\u52a8\u6001\u4ee3\u7406\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u4ee3\u7801\u5b9e\u73b0\u8be6\u89e3
              \n1. \u5b9e\u73b0\u539f\u7406\u5bf9\u6bd4
              \n\u7279\u6027JDK\u52a8\u6001\u4ee3\u7406CGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u73b0\u65b9\u5f0f\u57fa\u4e8e\u63a5\u53e3，\u4f7f\u7528Proxy\u7c7b\u548cInvocationHandler\u63a5\u53e3\u57fa\u4e8e\u7ee7\u627f，\u4f7f\u7528\u5b57\u8282\u7801\u6280\u672f\u751f\u6210\u76ee\u6807\u7c7b\u7684\u5b50\u7c7b\u4f9d\u8d56Java\u6807\u51c6\u5e93（java.lang.reflect）\u7b2c\u4e09\u65b9\u5e93（cglib）\u6027\u80fdJDK6\u7248\u672c\u6027\u80fd\u4f18\u5316，\u901a\u5e38\u4e0d\u900a\u4e8eCGLIB\u65e9\u671f\u7248\u672c\u6027\u80fd\u4f18\u52bf\u660e\u663e，<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99],"topic":[],"class_list":["post-89866","post","type-post","status-publish","format-standard","hentry","category-server","tag-java"],"yoast_head":"\nJDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/89866.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"JDK\u52a8\u6001\u4ee3\u7406\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u4ee3\u7801\u5b9e\u73b0\u8be6\u89e3 1. \u5b9e\u73b0\u539f\u7406\u5bf9\u6bd4 \u7279\u6027JDK\u52a8\u6001\u4ee3\u7406CGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u73b0\u65b9\u5f0f\u57fa\u4e8e\u63a5\u53e3，\u4f7f\u7528Proxy\u7c7b\u548cInvocationHandler\u63a5\u53e3\u57fa\u4e8e\u7ee7\u627f，\u4f7f\u7528\u5b57\u8282\u7801\u6280\u672f\u751f\u6210\u76ee\u6807\u7c7b\u7684\u5b50\u7c7b\u4f9d\u8d56Java\u6807\u51c6\u5e93（java.lang.reflect）\u7b2c\u4e09\u65b9\u5e93（cglib）\u6027\u80fdJDK6\u7248\u672c\u6027\u80fd\u4f18\u5316，\u901a\u5e38\u4e0d\u900a\u4e8eCGLIB\u65e9\u671f\u7248\u672c\u6027\u80fd\u4f18\u52bf\u660e\u663e，\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/89866.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-03T16:24:36+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/89866.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/89866.html\",\"name\":\"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-08-03T16:24:36+00:00\",\"dateModified\":\"2026-08-03T16:24:36+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/89866.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/89866.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/89866.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/89866.html","og_locale":"zh_CN","og_type":"article","og_title":"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"JDK\u52a8\u6001\u4ee3\u7406\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u4ee3\u7801\u5b9e\u73b0\u8be6\u89e3 1. \u5b9e\u73b0\u539f\u7406\u5bf9\u6bd4 \u7279\u6027JDK\u52a8\u6001\u4ee3\u7406CGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u73b0\u65b9\u5f0f\u57fa\u4e8e\u63a5\u53e3，\u4f7f\u7528Proxy\u7c7b\u548cInvocationHandler\u63a5\u53e3\u57fa\u4e8e\u7ee7\u627f，\u4f7f\u7528\u5b57\u8282\u7801\u6280\u672f\u751f\u6210\u76ee\u6807\u7c7b\u7684\u5b50\u7c7b\u4f9d\u8d56Java\u6807\u51c6\u5e93（java.lang.reflect）\u7b2c\u4e09\u65b9\u5e93（cglib）\u6027\u80fdJDK6\u7248\u672c\u6027\u80fd\u4f18\u5316，\u901a\u5e38\u4e0d\u900a\u4e8eCGLIB\u65e9\u671f\u7248\u672c\u6027\u80fd\u4f18\u52bf\u660e\u663e，","og_url":"https:\/\/www.wsisp.com\/helps\/89866.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-08-03T16:24:36+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/89866.html","url":"https:\/\/www.wsisp.com\/helps\/89866.html","name":"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-08-03T16:24:36+00:00","dateModified":"2026-08-03T16:24:36+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/89866.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/89866.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/89866.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"JDK\u4e0eCGLIB\u52a8\u6001\u4ee3\u7406\u5b9e\u6218\u89e3\u6790"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/89866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=89866"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/89866\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=89866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=89866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=89866"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=89866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}