timehandler.java

Spring入门程序 包括了几十个核心程序,简单易读

package com.gc.action;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;

public class TimeHandler implements MethodInterceptor{
	private Logger logger = Logger.getLogger(this.getClass().getName());
	public Object invoke(MethodInvocation arg0) throws Throwable {
		long procTime = System.currentTimeMillis();
		logger.log(Level.INFO, "开始执行"+arg0.getMethod()+"方法");
		try{
			Object result = arg0.proceed();
			return result;
		}finally{
			procTime = System.currentTimeMillis()-procTime;
			logger.log(Level.INFO, "结束执行"+arg0.getMethod()+"方法");
			logger.log(Level.INFO, "方法执行时间共用了"+procTime+"毫秒");
		}
	}

}