<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[caibi_A的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/caibi_A</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; caibi_A]]></copyright><item><title><![CDATA[oracle drop删除了表数据回滚]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/145226166</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/145226166</guid><author>caibi_A</author><pubDate>Sat, 18 Jan 2025 13:27:56 +0800</pubDate><description><![CDATA[SELECT * FROM USER_RECYCLEBIN WHERE ORIGINAL NAME = '表名';FLASHBACK TABLE "表名" TO BEFORE DROP RENAME TO "新表名（无需创建）"]]></description><category></category></item><item><title><![CDATA[mysql 实现数据行转列]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/134141915</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/134141915</guid><author>caibi_A</author><pubDate>Tue, 31 Oct 2023 15:38:29 +0800</pubDate><description><![CDATA[举例sql,先通过with 建一张虚拟表,虚拟表中给数据按照  ROW_NUMBER() OVER 函数进行排序。我们查询一对多关系,比如一个订单有多个使用人,需要将多个使用人放在一个订单列展示。这样通过自己关联自己查询，只查询第一行,并且将2，3行关联到第一行中。]]></description><category></category></item><item><title><![CDATA[java 代码根据表创建实体类]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/134008148</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/134008148</guid><author>caibi_A</author><pubDate>Tue, 24 Oct 2023 11:19:32 +0800</pubDate><description><![CDATA[/ 此处可以修改移除表前缀。// 不需要ActiveRecord特性的请改为false。// XML 二级缓存。// 注入自定义配置，可以在 VM 中使用 cfg.abc 【可无】// 自定义数据库表字段类型转换【可选】// 表填充字段，创建日期、更新日期。// 调整 xml 生成目录演示。* MySQL 生成演示。//需要执行生成策略的表。]]></description><category></category></item><item><title><![CDATA[SpringBoot pom.xml]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/133986108</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/133986108</guid><author>caibi_A</author><pubDate>Mon, 23 Oct 2023 11:37:46 +0800</pubDate><description><![CDATA[-common-lang3----各种工具类(StringUtils…-- spring-boot mybatis依赖-->--导入thymeleaf模板引擎-->--springboot打包编译插件-->-- 操作office -->-- shiro 权限 -->--Oracle依赖-->-- 阿里json -->-- solr搜索 -->--mysql依赖-->--当前项目版本定位-->--编码格式和jdk版本号-->-- 文件下载 -->-- 分页插件 -->-- 发送邮件 -->]]></description><category></category></item><item><title><![CDATA[mysq 执行 DDL语句导致锁住了如何处理]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/133132105</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/133132105</guid><author>caibi_A</author><pubDate>Thu, 21 Sep 2023 13:09:18 +0800</pubDate><description><![CDATA[先使用如下语句,查询那些语句被锁住。再使用 kill 啥子对应的id。]]></description><category></category></item><item><title><![CDATA[maven打包内存溢出,或者打包时间太长导致未知错误]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/132296851</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/132296851</guid><author>caibi_A</author><pubDate>Tue, 15 Aug 2023 13:28:02 +0800</pubDate><description><![CDATA[在idea中使用maven打包内存溢出问题_qq_27607447的博客-优快云博客]]></description><category></category></item><item><title><![CDATA[消息消费 topic 和 groupId的关系]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/131761310</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/131761310</guid><author>caibi_A</author><pubDate>Mon, 17 Jul 2023 11:21:53 +0800</pubDate><description><![CDATA[1.如果你是一个项目,但是部署多台服务,那么你作为消费者订阅topic 你得保证你多台服务共用同一个锚点 锚点就是groupId, 那你的消费者配置都得是同一个topic 和同一个groupid。但是如果将消费广播道 同一个topic 和不用的groupidA和groupidB  消费者A和B分别配置groupidA和groupidB  那就形成了隔离 这就是锚点groupId的作用。A系统先订阅了几天, B系统再去订阅 他们的groupId一致,会导致A消费了 B消费不到,topic 代表一个消息群,]]></description><category></category></item><item><title><![CDATA[java 解析 insert语句 提取 出里面的列和参数 工具类]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/131644073</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/131644073</guid><author>caibi_A</author><pubDate>Mon, 10 Jul 2023 17:25:04 +0800</pubDate><description><![CDATA[fileid=aaac6094-daa0-40b0-9694-07e8f2406db3&Authorization=fc9a79c9-95ef-4631-9938-c1b9bd8da6f8\\\",\\\"size\\\":85066,\\\"name\\\":\\\"你好像有病检测报告 (4).jpg\\\",\\\"id\\\":\\\"aaac6094-daa0-40b0-9694-07e8f2406db3\\\"}]', '456', '5200', NULL, NULL);//写一个测试sql。]]></description><category></category></item><item><title><![CDATA[SSL 访问第三方系统证书问题]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/131311453</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/131311453</guid><author>caibi_A</author><pubDate>Tue, 20 Jun 2023 17:27:17 +0800</pubDate><description><![CDATA[keytool -import -file 证书地址 -keystore 目标地址 -alias 别名。java.lang.Exception: 访问失败。解决方案:往JDK导入相关接口证书。将下载下来的证书改后缀为.cer。密钥库密码：-changeit。]]></description><category></category></item><item><title><![CDATA[cors出现跨域的原因]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/131213585</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/131213585</guid><author>caibi_A</author><pubDate>Wed, 14 Jun 2023 18:22:45 +0800</pubDate><description><![CDATA[请求配置 请求域名 Origin: 和后端Access-Control-Allow-Origin:返回的不是同一域名。一般前端请求Origin 是当前前端的域名,后端需要配置前端的保持一致,可以多个逗号分开。]]></description><category></category></item><item><title><![CDATA[springboot多线程情况下控制事务]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/131175220</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/131175220</guid><author>caibi_A</author><pubDate>Mon, 12 Jun 2023 19:10:30 +0800</pubDate><description><![CDATA[sysUserAddresses.add(new SysUserAddress(null, "上海市" + (i + 1), "上海市", "浦东新区"));System.out.println("子线程：" + Thread.currentThread().getName());//            if (StrUtil.equals(obj.getProvince(), "上海市2")) {//                //模拟子线程中保存出现异常。//按线程数平均分配后，多余的数据量。]]></description><category></category></item><item><title><![CDATA[idea 下拉maven仓库jar 啦不下来]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/131068293</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/131068293</guid><author>caibi_A</author><pubDate>Tue, 06 Jun 2023 15:09:12 +0800</pubDate><description><![CDATA[添加忽略证书配置即可。]]></description><category></category></item><item><title><![CDATA[IDEA 离线安装lombok插件]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/128099399</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/128099399</guid><author>caibi_A</author><pubDate>Tue, 29 Nov 2022 15:38:00 +0800</pubDate><description><![CDATA[IDEA 离线安装lombok插件]]></description><category></category></item><item><title><![CDATA[zookeeper学习笔记]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/127924463</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/127924463</guid><author>caibi_A</author><pubDate>Fri, 18 Nov 2022 15:59:12 +0800</pubDate><description><![CDATA[zookeeper学习笔记]]></description><category></category></item><item><title><![CDATA[java excel通用工具类]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/127924384</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/127924384</guid><author>caibi_A</author><pubDate>Fri, 18 Nov 2022 15:58:03 +0800</pubDate><description><![CDATA[excel通用工具类]]></description><category></category></item><item><title><![CDATA[java 图片压缩工具类]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/127924318</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/127924318</guid><author>caibi_A</author><pubDate>Fri, 18 Nov 2022 15:54:10 +0800</pubDate><description><![CDATA[图片压缩工具类]]></description><category></category></item><item><title><![CDATA[java 请求参数加解密]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/127923900</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/127923900</guid><author>caibi_A</author><pubDate>Fri, 18 Nov 2022 15:51:57 +0800</pubDate><description><![CDATA[请求参数加解密]]></description><category></category></item><item><title><![CDATA[logback 日志配置]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/127923665</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/127923665</guid><author>caibi_A</author><pubDate>Fri, 18 Nov 2022 15:29:24 +0800</pubDate><description><![CDATA[logback日志配置]]></description><category></category></item><item><title><![CDATA[java 简单线程池创建]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/127923536</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/127923536</guid><author>caibi_A</author><pubDate>Fri, 18 Nov 2022 15:25:41 +0800</pubDate><description><![CDATA[这是公用线程池,如果需要用完就删除,建议不要使用线程池,直接手动 new thread 创建线程去操作]]></description><category></category></item><item><title><![CDATA[java 根据数据库表生成实体类工具]]></title><link>https://blog.youkuaiyun.com/caibi_A/article/details/127923327</link><guid>https://blog.youkuaiyun.com/caibi_A/article/details/127923327</guid><author>caibi_A</author><pubDate>Fri, 18 Nov 2022 15:17:25 +0800</pubDate><description><![CDATA[节约写实体类的时间]]></description><category></category></item></channel></rss>