cglib实现动态代理简单实现

package org.forever.xxxx.reflection;import java.lang.reflect.Method;import org.forever.xxxx.JpaDao;import net.sf.cglib.proxy.Enhancer;import net.sf.cglib.proxy.MethodInterceptor;import net.sf.cglib.proxy.MethodProxy;public class CglibProxy {private MethodInterceptor methodInterceptor;public CglibProxy(MethodInterceptor methodInterceptor) {this.methodInterceptor = methodInterceptor;}public MethodInterceptor getMethodInterceptor() {return methodInterceptor;}public void setMethodInterceptor(MethodInterceptor methodInterceptor) {this.methodInterceptor = methodInterceptor;}public Object createProxy(Class<?> clazz) {Enhancer enhancer = new Enhancer();enhancer.setCallback(methodInterceptor);enhancer.setSuperclass(clazz);return enhancer.create();}public Object intercept(Object proxy, Method method, Object[] args,MethodProxy methodProxy) throws Throwable {System.out.println(method.getName());return methodProxy.invoke(proxy, args);}public static void main(String[] args) {CglibProxy cglibProxy = new CglibProxy(new DefaultMethodInterceptor());JpaDao jpaDao = (JpaDao) cglibProxy.createProxy(JpaDao.class);jpaDao.getTargetType();}}class DefaultMethodInterceptor implements MethodInterceptor {public Object intercept(Object proxy, Method method, Object[] args,MethodProxy methodProxy) throws Throwable {System.out.println(method.getName());return null;}}

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