<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[J4ffee的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/J4ffee</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; J4ffee]]></copyright><item><title><![CDATA[自定义多级联动选择器（uni-app）]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/147147346</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/147147346</guid><author>J4ffee</author><pubDate>Fri, 11 Apr 2025 16:23:14 +0800</pubDate><description><![CDATA[【代码】自定义多级联动选择器（uni-app）]]></description><category></category></item><item><title><![CDATA[mysql读写分离(基于Amoeba实现)]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/89325929</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/89325929</guid><author>J4ffee</author><pubDate>Tue, 16 Apr 2019 13:38:01 +0800</pubDate><description><![CDATA[本篇文章，记录了笔者搭建mysql读写分离的过程：

环境：centos7+mysql5.7

关于读写分离的搭建，参考我的一片文章：https://blog.youkuaiyun.com/J4ffee/article/details/89319998

一、读写分离的搭建

1.下载Amoeba

可以直接去https://sourceforge.net/projects/amoeba/下载，选择适合自己的...]]></description><category></category></item><item><title><![CDATA[mysql主从复制学习总结]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/89319998</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/89319998</guid><author>J4ffee</author><pubDate>Mon, 15 Apr 2019 21:19:15 +0800</pubDate><description><![CDATA[mysql是一款很好用的数据库，易于上手，本篇文章记录了笔者进行mysql主从复制加读写分离的过程

环境：centos 7 + mysql 5.7

关于读写分离，可以参考我的另一篇文章https://blog.youkuaiyun.com/J4ffee/article/details/89325929

一、主从复制的搭建



运用两台服务器：一台主服务器，一台从服务器（从服务器可以加多台），主...]]></description><category></category></item><item><title><![CDATA[Redis分布式锁学习记录]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/89076554</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/89076554</guid><author>J4ffee</author><pubDate>Sun, 07 Apr 2019 22:50:25 +0800</pubDate><description><![CDATA[在学习Redis的分布式锁时，遇到一些问题记录下来（基于spring boot）



需要加锁的类


@Service
public class TestLockImpl implements TestLock {
    //总票数
    public static int total = 1000000;
    public static int all = 1000000;
...]]></description><category></category></item><item><title><![CDATA[spring boot + mybatis plus 搭建]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/88394622</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/88394622</guid><author>J4ffee</author><pubDate>Mon, 11 Mar 2019 15:52:32 +0800</pubDate><description><![CDATA[看了几位大佬的文章后，终于搭建spring boot + mybatis plus成功了，实现分页查询，代码自动生成，这里使用的数据库为mysql ，数据库连接池为druid

1.maven管理：

&lt;parent&gt;
 &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
 &lt;artifactId&gt;sp...]]></description><category></category></item><item><title><![CDATA[java 8 Stream API 学习总结]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/87476238</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/87476238</guid><author>J4ffee</author><pubDate>Sat, 16 Feb 2019 21:59:36 +0800</pubDate><description><![CDATA[       创建stream流的方法

      //1.可以通过Collection系列集合提供的stream（）或者parallelStream（）

        List&amp;lt;String&amp;gt; ls = new ArrayList&amp;lt;&amp;gt;();

        Stream&amp;lt;String&amp;gt; stream1 = ls.stream();

        /...]]></description><category></category></item><item><title><![CDATA[java8 lambda表达式学习总结]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/87476088</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/87476088</guid><author>J4ffee</author><pubDate>Sat, 16 Feb 2019 21:56:16 +0800</pubDate><description><![CDATA[lambda表达式：

左侧：lambda表达式参数列表

右侧：lambda表达式所需要执行的功能 即lambda体

语法格式一：无参数，无返回值   （）-&amp;gt; System.out.println();

语法格式二：有一个参数，无返回值  (x) -&amp;gt; System.out.println(x)；

语法格式三：有一个参数，小括号可以省略不写

语法格式四：有两个以上的参数，有...]]></description><category></category></item><item><title><![CDATA[学习hibernate第一天 ----关系映射]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/81276236</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/81276236</guid><author>J4ffee</author><pubDate>Sun, 29 Jul 2018 22:03:34 +0800</pubDate><description><![CDATA[一对:单项外键关联

annotation:@OneToOne   @JoinColumn(name=&quot;外键的名字&quot;) 自动生成一个外键（相当于代替另一个类的对象 Wife wife）

xml：注意：用&amp;lt;many-to-one  name=&quot;关联类的实例名&quot; column=&quot;数据库中的列名&quot;  unique=&quot;true&quot; &amp;gt;&amp;lt;/many-to-one&amp;gt; unique=tr]]></description><category></category></item><item><title><![CDATA[自己用js做的一个贪吃蛇小游戏]]></title><link>https://blog.youkuaiyun.com/J4ffee/article/details/80837795</link><guid>https://blog.youkuaiyun.com/J4ffee/article/details/80837795</guid><author>J4ffee</author><pubDate>Thu, 28 Jun 2018 09:00:23 +0800</pubDate><description><![CDATA[本人小白一个，刚学js，做了一个贪吃蛇小游戏，可能存在一些小bug。html部分，css部分，js部分都需要自己创一个文件夹，再放进去。-------------------------------------------------------------------------------------------------------------------------------html部...]]></description><category></category></item></channel></rss>