<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[小码农的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/a272265225</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; a272265225]]></copyright><item><title><![CDATA[造词中~，驱马无刍、无刍竞马]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/148721106</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/148721106</guid><author>a272265225</author><pubDate>Tue, 17 Jun 2025 18:07:14 +0800</pubDate><description><![CDATA[摘要：文章以&quot;驱马无刍&quot;等自创新词，比喻无草赛马、无楫驭舟这类违背常理之事，如同&quot;无水之源望舟楫竞渡&quot;，道出缺乏必要条件却强求结果的荒谬性，用简练文字揭示事物的基本规律。]]></description><category></category></item><item><title><![CDATA[Mybatis Plus批量更新数据不忽略null值，在不修改全局配置的情况下]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/148215615</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/148215615</guid><author>a272265225</author><pubDate>Sun, 25 May 2025 23:40:04 +0800</pubDate><description><![CDATA[本文介绍了在MyBatisPlus中实现批量更新时保留null值的方法。通过在Mapper中定义updateWithNull方法，并在XML映射文件中使用<set>标签动态处理字段更新，可以确保null值被正确更新到数据库。核心实现利用SqlHelper.executeBatch方法进行批量操作，通过自定义BiConsumer回调执行更新逻辑。相比全局配置，这种方法更灵活，能够针对特定场景保留null值更新功能，同时不影响其他操作的全局null值忽略策略。]]></description><category></category></item><item><title><![CDATA[Windows JDK多版本下载安装切换 JDKS JDK多版本管理 Java多版本管理 多版本]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/144986432</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/144986432</guid><author>a272265225</author><pubDate>Tue, 07 Jan 2025 15:26:31 +0800</pubDate><description><![CDATA[Windows JDK多版本下载安装切换 JDKS JDK多版本管理 Java多版本管理 多版本。在Windows中使用jdks.bat来管理JDK，快速切换JDK的环境变量。]]></description><category></category></item><item><title><![CDATA[Win10任务栏图标居中教程]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/140618110</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/140618110</guid><author>a272265225</author><pubDate>Mon, 22 Jul 2024 19:50:42 +0800</pubDate><description><![CDATA[Win10任务栏图标居中 Windows任务栏图标居中 Windows10任务栏图标居中 任务栏居中]]></description><category></category></item><item><title><![CDATA[常见显示器尺寸图对比图]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/140518812</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/140518812</guid><author>a272265225</author><pubDate>Thu, 18 Jul 2024 11:46:13 +0800</pubDate><description><![CDATA[显示器尺寸 尺寸对比 15.6寸 24.5寸 25.7寸 27寸 28寸 29寸 30寸 32寸 34寸 带鱼屏]]></description><category></category></item><item><title><![CDATA[SpringBoot开启URL通用后缀访问功能]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/132033609</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/132033609</guid><author>a272265225</author><pubDate>Tue, 01 Aug 2023 01:40:51 +0800</pubDate><description><![CDATA[SpringBoot SpringMVC setUseSuffixPatternMatch 后缀 .json 通配 API]]></description><category></category></item><item><title><![CDATA[cmd批量重命名文件夹加递增序号]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/130355702</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/130355702</guid><author>a272265225</author><pubDate>Tue, 25 Apr 2023 01:04:30 +0800</pubDate><description><![CDATA[windows cmd 批量重命名 目录 文件夹 递增 递减 序号]]></description><category></category></item><item><title><![CDATA[windows使用maven出现文件权限问题]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/129127650</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/129127650</guid><author>a272265225</author><pubDate>Mon, 20 Feb 2023 17:07:54 +0800</pubDate><description><![CDATA[windows maven mvn 权限 拒绝访问 Access Denied 写入失败]]></description><category></category></item><item><title><![CDATA[Java线程池的简单运用]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/128713370</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/128713370</guid><author>a272265225</author><pubDate>Tue, 17 Jan 2023 10:57:47 +0800</pubDate><description><![CDATA[Java 多线程 线程池 等待所有线程结束 线程结束 CountDownLatch await]]></description><category></category></item><item><title><![CDATA[离线部署node项目、nuxt项目]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/125862714</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/125862714</guid><author>a272265225</author><pubDate>Mon, 18 Jul 2022 23:48:58 +0800</pubDate><description><![CDATA[node离线部署， nuxt离线部署]]></description><category></category></item><item><title><![CDATA[MySQL用户与权限管理]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/125827686</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/125827686</guid><author>a272265225</author><pubDate>Sun, 17 Jul 2022 02:38:21 +0800</pubDate><description><![CDATA[MySQL 用户 权限]]></description><category></category></item><item><title><![CDATA[Java反射 setAccessible和get/set方法效率对比]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/125703731</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/125703731</guid><author>a272265225</author><pubDate>Sun, 10 Jul 2022 17:07:19 +0800</pubDate><description><![CDATA[Java反射 setAccessible get set 反射效率 反射性能]]></description><category></category></item><item><title><![CDATA[为Spring配置文件的配置项添加元注释]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/124794457</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/124794457</guid><author>a272265225</author><pubDate>Mon, 16 May 2022 10:22:41 +0800</pubDate><description><![CDATA[Spring SpringBoot 配置文件 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URL权限拦截]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/121312970</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/121312970</guid><author>a272265225</author><pubDate>Sun, 14 Nov 2021 02:06:44 +0800</pubDate><description><![CDATA[前言
RBAC  是基于角色的访问控制（Role-Based Access Control ）。RBAC是在任何一个系统里无法绕过的问题。没有权限控制管理的系统是非常不安全的。
在Spring框架体系中。有非常多的RBAC框架，如Spring Shiro、Spring Security。
而本文介绍的是使用SpringMVC自带的拦截器来实现RBAC权限控制。功能虽然不够全面，但胜在够轻量，能够实现最基本的权限拦截。
实现的关键点：
1.拦截器的使用
2.正则表达式的使用
3.建立正确的RBAC权限模型
权]]></description><category></category></item><item><title><![CDATA[Windows10自定义右键新建项]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/121260302</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/121260302</guid><author>a272265225</author><pubDate>Thu, 11 Nov 2021 02:31:43 +0800</pubDate><description><![CDATA[Windows Windows10 Win10 Windows 10 自定义 右键 新建 MarkDown]]></description><category></category></item><item><title><![CDATA[Elasticsearch head 连接 阿里云ES]]></title><link>https://blog.youkuaiyun.com/a272265225/article/details/120916280</link><guid>https://blog.youkuaiyun.com/a272265225/article/details/120916280</guid><author>a272265225</author><pubDate>Sat, 23 Oct 2021 03:10:26 +0800</pubDate><description><![CDATA[Elasticsearch head 以下简称 ES Head
1 简介
ES Head其实是ES的ResultAPI可视化操作的客户端。所有功能都是基于XHR来请求ES开放的ResultAPI来进行一列操作。
Elasticsearch head 基本上满足所有常用操作。
Elasticsearch官方推荐使用Kibana来操作ES，功能很强大。推荐读者去学习一下。
2 安装
ES Head的安装有两种方式：

浏览器CRX插件
下载源码，使用node环境运行

以上两种安装方式有网络上有很多详细步骤。这]]></description><category></category></item></channel></rss>