摘要: 阅读全文
posted @ 2021-01-26 13:26 daping 阅读(31) 评论(0) 推荐(0)
摘要: @Configuration@ComponentScan(value="")public class IDGenConfig { @Bean(initMethod = "init") public BeanWayService useBeanWayService(){ return new Bean 阅读全文
posted @ 2021-01-25 15:59 daping 阅读(170) 评论(0) 推荐(0)
摘要: 新建maven项目 选择 org.apache.maven.archetypes:maven-archetype-mojo 为骨架创建项目 @Mojo(name = "XXX",defaultPhase = LifecyclePhase.PROCESS_RESOURCES,requiresDepen 阅读全文
posted @ 2021-01-15 17:18 daping 阅读(113) 评论(0) 推荐(0)
摘要: 参考Leaf——美团点评分布式ID生成系统 - 美团技术团队 (meituan.com) 代码:GitHub - Meituan-Dianping/Leaf: Distributed ID Generate Service 阅读全文
posted @ 2021-01-15 14:47 daping 阅读(227) 评论(0) 推荐(1)
摘要: 静态方法内调用非静态方法,使用<类名.方法名>可调用非静态方法ClassLoader classLoader = ClassLoader.getSystemClassLoader();Class<?> clazz = classLoader.loadClass("class name");path 阅读全文
posted @ 2021-01-04 17:53 daping 阅读(126) 评论(0) 推荐(0)
摘要: SELECT max(case sys_date when '20181019' then amount end) as trade_settle_amount0, max(case sys_date when '20181019' then number end) as trade_settle_ 阅读全文
posted @ 2020-12-18 15:56 daping 阅读(145) 评论(0) 推荐(0)
摘要: @WebFilter(urlPatterns = "/*", filterName = "loginFilter")public class LoginFilter implements Filter { private static final Logger logger = LoggerFact 阅读全文
posted @ 2020-01-17 10:50 daping 阅读(152) 评论(0) 推荐(0)
摘要: 创建sequence create sequence hawkeyepredb.tc_report_log_seq minvalue 1 start with 100000 increment by 1 NOCYCLE NOCACHE SHOW SEQUENCES where name = 'mer 阅读全文
posted @ 2020-01-16 17:06 daping 阅读(164) 评论(0) 推荐(0)
摘要: 阅读全文
posted @ 2020-01-16 16:00 daping 阅读(96) 评论(0) 推荐(0)
摘要: mysql 是自动提交的,Oracle需要手动提交,所以有时会锁表 可以通过 select b.owner,b.object_name,a.session_id,s.serial#from v$locked_object a,dba_objects b,gv$session swhere b.obj 阅读全文
posted @ 2018-05-11 17:11 daping 阅读(455) 评论(0) 推荐(0)