loginvocationhandler.java

来自「加拿大达内科技有限公司配需java程序员的上课时的代码」· Java 代码 · 共 30 行

package aop2;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Date;

/**
 *  包含切面代码的类必须实现InvocationHandler
 * @author teacher
 *
 */
public class LogInvocationHandler implements InvocationHandler{
	private Object target;
	
	public LogInvocationHandler(Object target) {
		this.target = target;
	}

	public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
		// TODO Auto-generated method stub
		Object rst = null;
//		aspect code
		System.out.println("execute time:"+new Date());
//		invoke target code
		rst = method.invoke(target, args);
		return rst;
	}

}