使用spring aop + 註解完成對業務操作的日誌記錄

話不多說直接上代碼，不喜勿噴
@After("@annotation(com.你的路徑.service.LogAntn)")
    public void afterAdvice(JoinPoint joinPoint) throws ClassNotFoundException, InstantiationException, IllegalAccessException, NoSuchFieldException, SecurityException{
		Object[] args = joinPoint.getArgs();
		User user = null;
		Map<String, String> paramsMap = null;
		for (Object object : args) {
			if(object instanceof User){
				user = (User)object;
			}else if(object instanceof Map){
				paramsMap = (Map<String, String>)object;
			}
		}
		LogAntn logAntn = getAntn(joinPoint);
		String signature = joinPoint.getSignature().toString(); // 獲取目標方法簽名  
        String methodName = signature.substring(signature.lastIndexOf(".") + 1,signature.indexOf("("));  
		String clazzName = joinPoint.getTarget().getClass().getName();
		Class<?> clazz = Class.forName(clazzName);
		Method[] methods = clazz.getDeclaredMethods();
		 for (Method method : methods) {  
             if (method.isAnnotationPresent(LogAntn.class)&& method.getName().equals(methodName)) {
                 opObj opObjType = logAntn.opObjType();
                 String objVal = opObjType.getValue();//操作對象
                 opType type = logAntn.type();
                 String opVal = type.getValue();//操作類型
		//添加入庫操作
             }  
         }  
        logger.info("aop log ... this is after Advice......");
    }

@Documented
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface LogAntn {
	enum opType{
//		UPDATE,ADD,DELETE,REPORT,SEND,TURNEDDOWN
		UPDATE("UPDATE","修改/維護"),
		DEL("DEL","刪除/撤銷"),
		ADD("ADD","添加");
		private String key;
		private String value;
		private opType(String key,String value) {
			this.key = key;
			this.value = value;
		}
		public String getKey(String key){
			return key;
		}
		public String getValue() {
	        return value;
	    }
	};
	opType type();
	enum opObj{//操作的簡單描述
		REPORT("REPORT","上報審批");
		
		};
	opObj opObjType();
}

//獲取註解
	public static LogAntn getAntn(JoinPoint joinPoint){
		Signature signature = joinPoint.getSignature();  
        MethodSignature methodSignature = (MethodSignature) signature;  
        Method method = methodSignature.getMethod(); 
        if (method != null) {  
            return method.getAnnotation(LogAntn.class);  
        }  
        return null;
	}