<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Guo_jee的博客]]></title><description><![CDATA[作为一只程序猴，分享走过的BUG路]]></description><link>https://blog.youkuaiyun.com/Guo_jee</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Guo_jee]]></copyright><item><title><![CDATA[liunx cpu%挖矿木马病毒清理]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/143066258</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/143066258</guid><author>Guo_jee</author><pubDate>Sat, 19 Oct 2024 09:13:39 +0800</pubDate><description><![CDATA[liunx 木马挖矿病毒导致cpu100%]]></description><category></category></item><item><title><![CDATA[springBoot Tcp服务端实现 webSocket Tcp]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/126767778</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/126767778</guid><author>Guo_jee</author><pubDate>Thu, 08 Sep 2022 17:00:42 +0800</pubDate><description><![CDATA[sptingBoot TCP服务端 webSocket实现TCP连接]]></description><category></category></item><item><title><![CDATA[mysql 统计本周 本年]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/126442308</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/126442308</guid><author>Guo_jee</author><pubDate>Sat, 20 Aug 2022 17:34:13 +0800</pubDate><description><![CDATA[mysql 统计本周 本年 ]]></description><category></category></item><item><title><![CDATA[java8 stream 多字段分组、多个列汇总统计]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/124548317</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/124548317</guid><author>Guo_jee</author><pubDate>Mon, 02 May 2022 22:51:28 +0800</pubDate><description><![CDATA[java8 stream  collectionAndThen 多字段分组、多个列汇总统计]]></description><category></category></item><item><title><![CDATA[mysql 分组统计]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/124532125</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/124532125</guid><author>Guo_jee</author><pubDate>Sun, 01 May 2022 21:37:16 +0800</pubDate><description><![CDATA[文章包含mysql多种分组统计年 月 日 周 天 附带sql表结构以及说明


mysql表结构如下

 1. CREATE TABLE `数据库名称`.`Untitled`  (
  `id` bigint(0) NOT NULL AUTO_INCREMENT COMMENT '主键Id',
  `dev_id` bigint(0) NULL DEFAULT NULL COMMENT '设备id',
  `dev_name` varchar(255) CHARACTER SET utf8mb4 COLL.]]></description><category></category></item><item><title><![CDATA[mysql 累计值做递减]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/124001460</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/124001460</guid><author>Guo_jee</author><pubDate>Wed, 06 Apr 2022 22:20:20 +0800</pubDate><description><![CDATA[mysql 累计值做递减]]></description><category></category></item><item><title><![CDATA[mysql 时间 间隔查询]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/123942003</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/123942003</guid><author>Guo_jee</author><pubDate>Sun, 03 Apr 2022 18:48:48 +0800</pubDate><description><![CDATA[mysql 时间 间隔查询]]></description><category></category></item><item><title><![CDATA[java8 Stream分组求和 reducing]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/123807115</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/123807115</guid><author>Guo_jee</author><pubDate>Mon, 28 Mar 2022 21:58:48 +0800</pubDate><description><![CDATA[java8 Stream分组求和 reducing]]></description><category></category></item><item><title><![CDATA[mysql 导出全库命令]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/123776929</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/123776929</guid><author>Guo_jee</author><pubDate>Sun, 27 Mar 2022 17:15:52 +0800</pubDate><description><![CDATA[mysql 导出全库命令 mysqldump: Got error: 1449: The user specified as a definer ('root'@'%') does not exist]]></description><category></category></item><item><title><![CDATA[java8 Stream reduce 集合分组并递减]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/123627840</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/123627840</guid><author>Guo_jee</author><pubDate>Mon, 21 Mar 2022 09:48:53 +0800</pubDate><description><![CDATA[java8 Stream reduce 集合分组并递减]]></description><category></category></item><item><title><![CDATA[java编程思想 多形性（多态）与内部类]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/120036376</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/120036376</guid><author>Guo_jee</author><pubDate>Wed, 01 Sep 2021 13:31:15 +0800</pubDate><description><![CDATA[作者是在写代码的过程中 看了看框架底层源码的时候看的有的懵逼，后悔当初java基础没学好，上班后CRUD粘贴工程师 工作半年之久 突然发现自己写的代码的少了点灵魂，后来感觉写的一坨屎一样，不在研究新技术了，发现新技术确实学了不用很快就会忘掉， 然后就开始买书学习了，很多人推荐我读一读《Java编程思想》这本书，网上的口碑也非常不错，于是就买来看看。这本书读起来比较生涩，不适合初学Java的小白读，毕竟是元老级别的经典之作，密密麻麻的长篇概述看着头疼，我尽可能的精简出我认为比较核心的字句写到笔记上，所以建议.]]></description><category></category></item><item><title><![CDATA[mysql 两表联联查 分页排序效率优化 mybatis-plus IPage]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/117032834</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/117032834</guid><author>Guo_jee</author><pubDate>Wed, 19 May 2021 15:54:28 +0800</pubDate><description><![CDATA[mysql 联表条件查询优化  已日志表为例子

联表sql查询效慢 问什么 废话不多说直击痛点

在多表联查分页排序，最大的瓶颈在排序，因此我们应该最大化的优化排序


1 结果表
CREATE TABLE `r_api_result`  (
  `id` varchar(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
  `record_id` varchar(32) CHARACTER SET utf8mb4 COLLATE]]></description><category></category></item><item><title><![CDATA[java初级面试总结]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/116791665</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/116791665</guid><author>Guo_jee</author><pubDate>Fri, 14 May 2021 14:52:59 +0800</pubDate><description><![CDATA[JAVA基础
1.JAVA多线程的三种创建方式
第一种，通过继承Thread(四莱德) 类创建线程-**\
第二种，通过实现Runnable(软德饱)接口创建线程
第三种，通过Callable(靠勒饱)接口创建线程
2.String和StringBuffer、StringBuilder的区别是什么？
String、 StringBuffer(斯尊巴菲) 、StringBuilder(斯尊biu德)


String长度不可变，StringBuffer、StringBuilder长度是可变的


String]]></description><category></category></item><item><title><![CDATA[SpringBoot搭建SSM整合Redis缓存数据]]></title><link>https://blog.youkuaiyun.com/Guo_jee/article/details/107966749</link><guid>https://blog.youkuaiyun.com/Guo_jee/article/details/107966749</guid><author>Guo_jee</author><pubDate>Wed, 12 Aug 2020 21:17:38 +0800</pubDate><description><![CDATA[SpringBoot_SSM_Redis的整合
前言 ：整合的主要功能测试 增删改查,spring.cache配合Redis来实现缓存的功能,以及使用fastjson来转换redis序列器。

阅读注意看代码块里的注释

1.首先构建我们的项目pom.xml
[项目构建可以使用springboot工具配合开发工具选择自己的需要的依赖]
2.我们开始编写配置文件,
是使用的是application.properties当然自己也可以使用yml配置文件去配置.
#这是连接Mysql
spring.dataso.]]></description><category></category></item></channel></rss>