【烦人的mybatis】Mybatis自定义拦截器

@Intercepts({
        @Signature(
                method = "query",
                type = Executor.class,
                args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class}
        ),
        @Signature(
                type = Executor.class,
                method = "query",
                args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class, CacheKey.class, BoundSql.class}),
        @Signature(
                method = "update",
                type = Executor.class,
                args = {MappedStatement.class, Object.class}
        )
})
public class MybatisMonitorInterceptor implements Interceptor {

    @Override
    public Object intercept(Invocation invocation) throws Throwable {
        Object target = invocation.getTarget();
        Object result = null;
        final MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];
        if (target instanceof Executor) {
            try {
                result = invocation.proceed();
            } catch (Exception e) {
                return null;
            }
            if (Objects.isNull(result)) {
                return null;
            }
        }
        return result;
    }

    @Override
    public Object plugin(Object target) {
        return Plugin.wrap(target, this);
    }

    @Override
    public void setProperties(Properties properties) {

    }