SSM14-通过AOP实现日志记录

@Data
public class SysLog {
    private String id;
    private Date visitTime;
    private String visitTimeStr;
    private String username;
    private String ip;
    private String url;
    private Long executionTime;
    private String method;
}

@Component
@Aspect
public class LogAop {

    @Autowired
    private HttpServletRequest request;
    @Autowired
    private ISysLogService sysLogService;
    private Date startTime; // 访问时间
    private Class executionClass;// 访问的类
    private Method executionMethod; // 访问的方法

    // 主要获取访问时间、访问的类、访问的方法
    @Before("execution(* com.hdh.web.controller.*.*(..))")
    public void doBefore(JoinPoint jp) throws NoSuchMethodException, SecurityException {
        System.out.println("=============================================");

        startTime = new Date(); // 访问时间
        // 获取访问的类
        executionClass = jp.getTarget().getClass();
        // 获取访问的方法
        String methodName = jp.getSignature().getName();// 获取访问的方法的名称
        Object[] args = jp.getArgs();// 获取访问的方法的参数
        if (args == null || args.length == 0) {// 无参数
            executionMethod = executionClass.getMethod(methodName); // 只能获取无参数方法
        } else {
            // 有参数，就将args中所有元素遍历，获取对应的Class,装入到一个Class[]
            Class[] classArgs = new Class[args.length];
            for (int i = 0; i < args.length; i++) {
                classArgs[i] = args[i].getClass();
            }
            executionMethod = executionClass.getMethod(methodName, classArgs);// 获取有参数方法
            System.out.println(executionMethod);
        }
    }

    // 主要获取日志中其它信息，时长、ip、url...
    @After("execution(* com.hdh.web.controller.*.*(..))")
    public void doAfter(JoinPoint jp) throws Exception {
        // 获取类上的@RequestMapping对象
        if (executionClass != SysLogController.class) {
            RequestMapping classAnnotation = (RequestMapping) executionClass.getAnnotation(RequestMapping.class);
            if (classAnnotation != null) {
                // 获取方法上的@RequestMapping对象
                RequestMapping methodAnnotation = executionMethod.getAnnotation(RequestMapping.class);
                if (methodAnnotation != null) {
                    String url = ""; // 它的值应该是类上的@RequestMapping的value+方法上的@RequestMapping的value
                    url = classAnnotation.value()[0] + methodAnnotation.value()[0];
                    SysLog sysLog = new SysLog();
                    // 获取访问时长
                    Long executionTime = new Date().getTime() - startTime.getTime();
                    // 将sysLog对象属性封装
                    sysLog.setExecutionTime(executionTime);
                    sysLog.setUrl(url);
                    // 获取ip
                    String ip = request.getRemoteAddr();
                    sysLog.setIp(ip);
                    // 可以通过securityContext获取，也可以从request.getSession中获取
                    // SecurityContext context = SecurityContextHolder.getContext(); //request.getSession().getAttribute("SPRING_SECURITY_CONTEXT")
                    //String username = ((Employee) (context.getAuthentication().getPrincipal())).getUsername();
                    String username = (String) request.getSession().getAttribute("username");
                    sysLog.setUsername(username);
                    sysLog.setMethod("[类名]" + executionClass.getName() + "[方法名]" +
                            executionMethod.getName());
                    sysLog.setVisitTime(startTime);
                    // 调用Service，调用dao将sysLog insert数据库
                    sysLogService.save(sysLog);
                }
            }
        }
    }
}

<aop:aspectj-autoproxy proxy-target-class="true"/>