public class SystemOutPrint implements Interceptor {

	public void destroy() {
		// TODO Auto-generated method stub
	}

	public void init() {
		// TODO Auto-generated method stub
	}

	public String intercept(ActionInvocation invocation) throws Exception {
		Date d1 = new Date();// 計時開始
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		String a1 = dateFormat.format(d1);
		System.out.println("【請求開始】" + a1);

		System.out.print("Action:" + invocation.getAction().getClass().getName());
		HttpServletRequest request = ServletActionContext.getRequest();
		String currentURL = request.getRequestURI();
		String[] split = currentURL.split("/");
		System.out.println("." + split[split.length - 1]);

		Map<String, Object> parameters = invocation.getInvocationContext().getParameters();

		// 輸出傳參
		for (String key : parameters.keySet()) {
			String[] params = (String[]) parameters.get(key);
			StringBuffer buffer = new StringBuffer();
			for (String param : params) {
				buffer.append("," + param);
			}
			String paramValue = buffer.toString();
			paramValue = paramValue.substring(1);
			System.out.println(key + "," + paramValue);
		}

		final String resultCode = invocation.invoke();// 攔截器分界

		// 輸出頁面
		Result realResult = invocation.getResult();
		if (realResult instanceof ServletDispatcherResult) {
			ServletDispatcherResult result = (ServletDispatcherResult) realResult;
			System.out.println("jsp:" + result.getLastFinalLocation());
		}

		Date d2 = new Date();// 計時結束
		System.out.println("【本次操作耗時 " + (d2.getTime() - d1.getTime()) + " 毫秒】");// 輸出耗時
		return resultCode;
	}

}