<!--
111111111111111111111111111111111111111111111110000111111111111111111111111111111111111111111
111111111111111111111111111111111111111111111000011111111111111111111111111111111111111111111
111111111111111111111111111111111111111111100000011111111111111111111111111111111111111111111
111111111111111111111111111111111111111110000001111000110000000000000001111111111111111111111
111111111111111111111111111111110000000000000000000000000000000001111111111111111111111111111
111111111111111111111111111111011100000000000000000000000000001111111111111111111111111111111
111111111111111111111111111111111111100000000000000000000000000000000011111111111111111111111
111111111111111111111111111111111000000000000000000000000000000011111111111111111111111111111
111111111111111111111111111111110001110000000000000000000000000000011111111111111111111111111
111111111111111111111111111110000011000000000001100000000000000000001111111111111111111111111
111111111111111111111111111100000000000000010011110000000000000110000011111111111111111111111
111111111111111111111111000000000000000000111011111000000000000011100001111111111111111111111
111111111111111111111100000000000000000001111111110000000000000001111000111111111111111111111
111111111111111111111000000001111111111111111111110000000000000000111110011111111111111111111
111111111111111111111100000111111111111111111111000000000000000000111111111111111111111111111
111111111111111111111111011111111111111111110000000000000000000000011111111111111111111111111
111111111111111111111111111111000000000000000000000000000000000000011111111111111111111111111
111111111111111111111111111111110000000000000000000000000000110000011111111111111111111111111
111111111111111111111111111100000000000000000000000000000011110000011111111111111111111111111
111111111111111111111111100000000000000000000000000000000111111000011111111111111111111111111
111111111111111111111110000000000000000000000000000000111111111000011111111111111111111111111
111111111111111111111000000000000000000000000000000011111111111000011111111111111111111111111
111111111111111111110000000000000000000111000000111111111111111000111111111111111111111111111
111111111111111111100000000000000001111111111111111111111111111001111111111111111111111111111
111111111111111111000000000000000111111111111111110011111111111111111111111111111111111111111
111111111111111110000000000000001111111111111111111110000111111111111111111111111111111111111
111111111111111110000000000100011111111111111111111111100000111111111111111111111111111111111
111111111111111100000000000110011111111111111111111111111000000011111111111111111111111111111
111111111111111100000000000011101111111111110001111100001110000000111111111111111111111111111
111111111111111100000000000001111111111111111100011111000000000000001111111111111111111111111
111111111111111100000000000000001111111111111100000000000000000000000011111111111111111111111
111111111111111100100000000000000000111111111000000000000000000000000000111111111111111111111
111111111111111110011000000000000111111111000000000000000011100000000000011111111111111111111
111111111111111111011000000000000000000000000000000000011111111111000000001111111111111111111
111111111111111111111000000000000000000000000000000000111111111111110000000111111111111111111
111111111111111111111000001000000000000000000110000000011101111111111000000111111111111111111
111111111111111111111100011111000000000000011111000000000011111111111011000011111111111111111
111111111111111111111000111111110001000000000111110000011111111111111111000011111111111111111
111111111111111111111000111111111111111000000011111110000000011111111111100011111111111111111
111111111111111111111100111111111111111111100000011111111111111111111111110001111111111111111
- ---------------------------------- 神龙保佑，永无BUG ------------------------------------ -
Star me on Gitee - https://gitee.com/yadong.zhang/DBlog
yadong.zhang (yadong.zhang0415#gmail.com)
https://docs.zhyd.me
如有问题请加QQ群(190886500)，备注：dblog
- ---------------------------------- 神龙保佑，永无BUG ------------------------------------ -
-->
<!DOCTYPE HTML>
<html lang="zh-CN">
<head>
<meta name="baidu-site-verification" content="code-BmKBVbyslJ" />
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
<title>醋酸菌HaC的博客 | 一个程序员的个人博客</title>
<meta name="author" content="醋酸菌HaC(huangyongwen0306@163.com)">
<meta name="keywords" content="博客,Java,HaC"/>
<meta name="description" content="Java技术，让技术化繁为简，Java如何入门，Python如何学，Java的薪资，Java如何学" id="meta_description">
<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?8017759bbf2850a202fb0ec22611ae5c";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
<link rel="canonical" href="https://rain.baimuxym.cn/tag/8" />
<link href="https://rain.baimuxym.cn/img/favicon.ico" rel="shortcut icon" type="image/x-icon">
<link href="https://cdn.bootcdn.net/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" type="text/css">
<link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet">
<link href="https://cdn.bootcdn.net/ajax/libs/jquery-confirm/3.3.2/jquery-confirm.min.css" rel="stylesheet">
<link href="https://cdn.bootcdn.net/ajax/libs/fancybox/2.1.5/jquery.fancybox.min.css" rel="stylesheet">
<link href="https://cdn.bootcdn.net/ajax/libs/jquery.bootstrapvalidator/0.5.3/css/bootstrapValidator.min.css" rel="stylesheet">
<link href="https://cdn.bootcdn.net/ajax/libs/nprogress/0.2.0/nprogress.min.css" rel="stylesheet">
<link href="https://rain.baimuxym.cn/css/zhyd.core.css" rel="stylesheet" type="text/css">
<link href="https://rain.baimuxym.cn/css/zhyd.comment.css" rel="stylesheet" type="text/css">
</head>
<body>
<nav id="topmenu" class="navbar navbar-default navbar-fixed-top">
<div class="menu-box">
<div class="pull-left">
<ul class="list-unstyled list-inline">
<li><span id="currentTime"></span></li>
</ul>
<div class="clear"></div>
</div>
<div class="menu-topmenu-container pull-right">
<ul class="list-unstyled list-inline pull-left">
<li><a href="https://rain.baimuxym.cn/about" class="menu_a" title="关于博客" data-toggle="tooltip" data-placement="bottom">关于本站</a></li>
<li><a href="https://rain.baimuxym.cn/links" class="menu_a" title="友情链接" data-toggle="tooltip" data-placement="bottom">友情链接</a></li>
</ul>
<ul class="list-unstyled list-inline pull-left">
<li><a href="javascript:;;" data-toggle="modal" data-target="#oauth" rel="nofollow" title="授权登录">登录</a></li>
</ul>
</div>
</div>
</nav>
<div class="modal" id="oauth" tabindex="-1" role="dialog" aria-labelledby="oauthTitle">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
<ul class="list-inline">
<li><h4 class="modal-title" id="oauthTitle">登录</h4></li>
<li><a href="javascript:$.alert.info('没用，别点了！我就没打算开发这个功能。Just to show you~~~');"><h4 class="modal-title" id="myModalLabel">注册</h4></a></li>
</ul>
</div>
<div class="modal-body">
<div class="oauth">
<ul class="list-unstyled list-inline oauth-list" style="text-align: center;">
<li>
稍等一下， 博主正在快马加鞭的配置~~
</li>
</ul>
<div class="oauth-line">
<span style="font-size: 12px">
Powered by <a href="https://gitee.com/fujieid/jap" target="_blank">JustAuthPlus(JAP)</a>
</span>
</div>
</div>
</div>
</div>
</div>
</div>
<nav id="mainmenu" class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="menu-box">
<div class="navbar-header">
<span class="pull-right nav-search toggle-search" data-toggle="modal" data-target=".nav-search-box"><i class="fa fa-search"></i></span>
<button class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div id="navbar" class="navbar-collapse collapse">
<div class="pull-left site-desc">
<h1 class="auto-shake"><a href="https://rain.baimuxym.cn" data-original-title="让技术，化繁为简" data-toggle="tooltip" data-placement="bottom">醋酸菌HaC的博客</a></h1>
<p class="site-description">让技术，化繁为简</p>
</div>
<ul class="nav navbar-nav ">
<li>
<a href="/" class="menu_a"><i class="fa fa-home"></i>首页</a>
</li>
<li><a href="/type/5" class="menu_a"><i class="fa fa-window-restore"></i>实战项目</a></li>
<li class="dropdown">
<a href="/type/13" class="menu_a">
<i class="fa fa-css3"></i>教程 <span class="caret dropdown-toggle" data-toggle="dropdown" aria-expanded="false"></span>
</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/type/14" title="点击查看《《从0到1搭建服务器》》的文章">《从0到1搭建服务器》</a></li>
</ul>
</li>
<li><a href="/type/1" class="menu_a"><i class="fa fa-file-pdf-o"></i>资源下载</a></li>
<li class="dropdown">
<a href="/type/2" class="menu_a">
<i class="fa fa-coffee"></i>后端技术 <span class="caret dropdown-toggle" data-toggle="dropdown" aria-expanded="false"></span>
</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/type/7" title="点击查看《MySQL》的文章">MySQL</a></li>
<li><a href="/type/11" title="点击查看《Redis》的文章">Redis</a></li>
<li><a href="/type/10" title="点击查看《操作系统》的文章">操作系统</a></li>
<li><a href="/type/9" title="点击查看《计算机网络》的文章">计算机网络</a></li>
<li><a href="/type/8" title="点击查看《Java》的文章">Java</a></li>
</ul>
</li>
<li><a href="/type/3" class="menu_a"><i class="fa fa-folder-open-o"></i>程序人生</a></li>
<li><a href="/type/4" class="menu_a"><i class="fa fa-money"></i>所思所悟</a></li>
<li><a href="/guestbook" class="menu_a"><i class="fa fa-comments-o"></i>留言板</a></li>
<li><span class="pull-right nav-search main-search" data-toggle="modal" data-target=".nav-search-box"><i class="fa fa-search"></i></span></li>
</ul>
</div>
</div>
</nav>
<div class="container custome-container">
<div class="ad-mark" id="HOMEPAGE_TOP" style="display: none;margin-bottom: 10px"></div>
<!--[if lt IE 9]><div class="alert alert-danger topframe" role="alert">Oh My God！你的浏览器实在<strong>太太太太太太旧了</strong>，赶紧升级浏览器 <a target="_blank" class="alert-link" href="http://browsehappy.com">立即升级</a></div><![endif]-->
<nav class="breadcrumb">
<div class="notify"><i class="fa fa-bullhorn fa-fw"></i></div>
<div id="scrolldiv">
<div class="scrolltext">
<ul class="list-unstyled" id="notice-box">
<li class="scrolltext-title">
<a href="javascript:void(0)" rel="bookmark">Java学习路线+面试:<a href="https://learnjava.baimuxym.cn/#/" target="_blank"><strong>https://learnjava.baimuxym.cn</strong></a></a>
</li>
<li class="scrolltext-title">
<a href="javascript:void(0)" rel="bookmark">Java学到什么程度才能找到工作:<a href="https://purejava.baimuxym.cn/#/" target="_blank"><strong>https://learnjava.baimuxym.cn</strong></a></a>
</li>
</ul>
</div>
</div>
</nav>
<div class="row">
<div class="col-sm-8 blog-main">
<article class="fade-in">
<header class="entry-header">
<span class="art art-original"><i class="fa fa-check fa-fw"></i>原创</span>
<span class="art art-type"><a href="https://rain.baimuxym.cn/type/7"><i class="fa fa-window-restore fa-fw"></i> MySQL</a></span>
<h2 class="entry-title">
<a href="https://rain.baimuxym.cn/article/51" rel="bookmark" title="数据库连接池使用ThreadLocal的原因" data-toggle="tooltip" data-placement="bottom">数据库连接池使用ThreadLocal的原因</a>
</h2>
</header>
<div class="entry-content">
<div class="archive-content">
为什么要引入数据库连接池？
数据库的连接池是如何管理的？在数据库的连接上，也是一个TCP的三次握手，其中还需要验证账户、密码、权限什么的，可想而知多耗时。
好比你每次写代码都要开机、打开IDEA；如果不关电脑下次直接就可以用IDEA写代码了，虽然费点“电脑”，但是效率去高了。
</div>
<span class="entry-meta">
<span class="date" title="文章发表日期" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-clock-o fa-fw"></i>2021-07-16</span>
<span class="views" title="文章阅读次数" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-eye fa-fw"></i>浏览(1,192)</span>
<span class="comment" title="文章评论次数" data-toggle="tooltip" data-placement="bottom">
<a href="https://rain.baimuxym.cn/article/51#comment-box" rel="external nofollow">
<i class="fa fa-comments-o fa-fw"></i>评论(0)
</a>
</span>
</span>
<div class="clear"></div>
<span class="entry-more">
<a href="https://rain.baimuxym.cn/article/51" rel="bookmark" title="点击查看文章详情" data-toggle="tooltip" data-placement="bottom">阅读全文</a>
</span>
</div>
</article>
<article class="fade-in">
<header class="entry-header">
<span class="art art-original"><i class="fa fa-check fa-fw"></i>原创</span>
<span class="art art-type"><a href="https://rain.baimuxym.cn/type/7"><i class="fa fa-window-restore fa-fw"></i> MySQL</a></span>
<h2 class="entry-title">
<a href="https://rain.baimuxym.cn/article/34" rel="bookmark" title="我自学MySQL的过程和建议" data-toggle="tooltip" data-placement="bottom">我自学MySQL的过程和建议</a>
</h2>
</header>
<div class="entry-content">
<div class="archive-content">
数据是存储在数据库的，开发人员要操作数据库进行数据的增删改查就需要**SQL语言**。
**SQL** (Structured Query Language:结构化查询语言) 是用于管理关系数据库管理系统（RDBMS）。 SQL 的范围包括数据插入、查询、更新和删除，数据库模式创建和修改，以及数据访问控制。
虽然 SQL 是一门 ANSI（American National Standards
</div>
<span class="entry-meta">
<span class="date" title="文章发表日期" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-clock-o fa-fw"></i>2021-03-29</span>
<span class="views" title="文章阅读次数" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-eye fa-fw"></i>浏览(1,565)</span>
<span class="comment" title="文章评论次数" data-toggle="tooltip" data-placement="bottom">
<a href="https://rain.baimuxym.cn/article/34#comment-box" rel="external nofollow">
<i class="fa fa-comments-o fa-fw"></i>评论(0)
</a>
</span>
</span>
<div class="clear"></div>
<span class="entry-more">
<a href="https://rain.baimuxym.cn/article/34" rel="bookmark" title="点击查看文章详情" data-toggle="tooltip" data-placement="bottom">阅读全文</a>
</span>
</div>
</article>
<article class="fade-in">
<header class="entry-header">
<span class="art art-original"><i class="fa fa-check fa-fw"></i>原创</span>
<span class="art art-type"><a href="https://rain.baimuxym.cn/type/7"><i class="fa fa-window-restore fa-fw"></i> MySQL</a></span>
<h2 class="entry-title">
<a href="https://rain.baimuxym.cn/article/7" rel="bookmark" title="delete、truncate、drop 有什么区别，误删数据怎么办？" data-toggle="tooltip" data-placement="bottom">delete、truncate、drop 有什么区别，误删数据怎么办？</a>
</h2>
</header>
<div class="entry-content">
<div class="archive-content">
delete、truncate、drop 有什么区别，误删数据怎么办？
</div>
<span class="entry-meta">
<span class="date" title="文章发表日期" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-clock-o fa-fw"></i>2021-01-27</span>
<span class="views" title="文章阅读次数" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-eye fa-fw"></i>浏览(389)</span>
<span class="comment" title="文章评论次数" data-toggle="tooltip" data-placement="bottom">
<a href="https://rain.baimuxym.cn/article/7#comment-box" rel="external nofollow">
<i class="fa fa-comments-o fa-fw"></i>评论(0)
</a>
</span>
</span>
<div class="clear"></div>
<span class="entry-more">
<a href="https://rain.baimuxym.cn/article/7" rel="bookmark" title="点击查看文章详情" data-toggle="tooltip" data-placement="bottom">阅读全文</a>
</span>
</div>
</article>
<article class="fade-in">
<header class="entry-header">
<span class="art art-original"><i class="fa fa-check fa-fw"></i>原创</span>
<span class="art art-type"><a href="https://rain.baimuxym.cn/type/7"><i class="fa fa-window-restore fa-fw"></i> MySQL</a></span>
<h2 class="entry-title">
<a href="https://rain.baimuxym.cn/article/6" rel="bookmark" title="insert into select和create table 的区别" data-toggle="tooltip" data-placement="bottom">insert into select和create table 的区别</a>
</h2>
</header>
<div class="entry-content">
<div class="archive-content">
insert into select和create table的区别是什么？会加锁吗？有什么影响？
</div>
<span class="entry-meta">
<span class="date" title="文章发表日期" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-clock-o fa-fw"></i>2021-01-26</span>
<span class="views" title="文章阅读次数" data-toggle="tooltip" data-placement="bottom"><i class="fa fa-eye fa-fw"></i>浏览(864)</span>
<span class="comment" title="文章评论次数" data-toggle="tooltip" data-placement="bottom">
<a href="https://rain.baimuxym.cn/article/6#comment-box" rel="external nofollow">
<i class="fa fa-comments-o fa-fw"></i>评论(0)
</a>
</span>
</span>
<div class="clear"></div>
<span class="entry-more">
<a href="https://rain.baimuxym.cn/article/6" rel="bookmark" title="点击查看文章详情" data-toggle="tooltip" data-placement="bottom">阅读全文</a>
</span>
</div>
</article>
</div>
<div class="col-sm-3 blog-sidebar">
<div class="ad-mark" id="SIDEBAR_TOP" style="display: none"></div>
<div class="sidebar-module" style="position: relative;">
<h5 class="custom-title"><i class="fa fa-home fa-fw icon"></i><strong>关于我</strong>
<small></small>
</h5>
<div class="widget">
<div id="feed_widget">
<div class="feed-about">
<div class="about-main">
<div class="about-img"><a href="/img/HelloCoder.png" class="showImage" title="微信公众号"><img
src="/img/HelloCoder.png" alt="微信公众号"></a></div>
<div class="about-name">醋酸菌HaC的博客</div>
<div class="about-the">让技术，化繁为简</div>
</div>
<div class="clear"></div>
<!-- 方案一：图标展示 -->
<ul class="widget-icon">
<li class="weixin auto-shake" data-container="body"
data-toggle="popover" data-trigger="hover" data-placement="bottom" data-html="true"
data-content="<img src='/img/HelloCoder.png' style='width: 130px;' alt='QR Code'>">
<a class="tag-icon" title="微信" rel="external nofollow"><i class="fa fa-weixin"></i></a>
</li>
<li class="tqq auto-shake">
<a class="tag-icon" href="javascript:window.open('tencent://message/?uin=1039561760&Site=www.rain.baimuxym.cn&Menu=yes')" title="点击QQ联系我" target="blank" rel="external nofollow"><i class="fa fa-qq"></i></a>
</li>
<li class="zhihu auto-shake">
<a class="tag-icon" href="https://www.zhihu.com/people/dai-ma-coder" title="人在码海，刚下bug船" target="_blank" rel="external nofollow"><i>知乎</i></a>
</li>
<li class="github auto-shake">
<a class="tag-icon" href="https://github.com/DogerRain/LearnJavaToFindAJob" title="点击查看我的github" target="_blank"
rel="external nofollow"><i class="fa fa-github"></i></a>
</li>
</ul>
<!-- 方案二：列表展示 -->
</div>
</div>
</div>
</div>
<div class="sidebar-module article-module hide" style="top: 0;">
<h5 class="custom-title"><i class="fa fa-book fa-fw icon"></i><strong>本文目录</strong><i
class="fa fa-close pull-right close-article-menu hide pointer"></i>
<small></small>
</h5>
<div id="article-menu" style="overflow:auto">
<ul class="list-unstyled"></ul>
</div>
</div>
<div class="sidebar-module">
<h5 class="custom-title"><i class="fa fa-tags fa-fw icon"></i><strong>标签云</strong>
<small></small>
</h5>
<a style="font-size: 10.06px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/1" title="Linux" data-toggle="tooltip"
data-placement="bottom">
Linux
</a>
<a style="font-size: 13.9px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/2" title="Java" data-toggle="tooltip"
data-placement="bottom">
Java
</a>
<a style="font-size: 11.25px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/3" title="Spring" data-toggle="tooltip"
data-placement="bottom">
Spring
</a>
<a style="font-size: 10.57px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/4" title="Spring Boot" data-toggle="tooltip"
data-placement="bottom">
Spring Boot
</a>
<a style="font-size: 12.47px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/5" title="其他" data-toggle="tooltip"
data-placement="bottom">
其他
</a>
<a style="font-size: 11.41px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/6" title="学习资料" data-toggle="tooltip"
data-placement="bottom">
学习资料
</a>
<a style="font-size: 14.53px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/7" title="Java学习" data-toggle="tooltip"
data-placement="bottom">
Java学习
</a>
<a style="font-size: 12.95px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/8" title="Mysql" data-toggle="tooltip"
data-placement="bottom">
Mysql
</a>
<a style="font-size: 12.22px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/9" title="操作系统" data-toggle="tooltip"
data-placement="bottom">
操作系统
</a>
<a style="font-size: 11.18px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/10" title="Redis" data-toggle="tooltip"
data-placement="bottom">
Redis
</a>
<a style="font-size: 13.18px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/11" title="程序人生" data-toggle="tooltip"
data-placement="bottom">
程序人生
</a>
<a style="font-size: 12.88px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/12" title="LeetCode" data-toggle="tooltip"
data-placement="bottom">
LeetCode
</a>
<a style="font-size: 12.24px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/13" title="编程工具" data-toggle="tooltip"
data-placement="bottom">
编程工具
</a>
<a style="font-size: 12.42px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/14" title="实战项目" data-toggle="tooltip"
data-placement="bottom">
实战项目
</a>
<a style="font-size: 14.37px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/15" title="所思所悟" data-toggle="tooltip"
data-placement="bottom">
所思所悟
</a>
<a style="font-size: 13.29px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/16" title="投资" data-toggle="tooltip"
data-placement="bottom">
投资
</a>
<a style="font-size: 10.6px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/17" title="计算机网络" data-toggle="tooltip"
data-placement="bottom">
计算机网络
</a>
<a style="font-size: 10.38px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/18" title="架构之美" data-toggle="tooltip"
data-placement="bottom">
架构之美
</a>
<a style="font-size: 14.52px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/19" title="线程" data-toggle="tooltip"
data-placement="bottom">
线程
</a>
<a style="font-size: 13.27px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/20" title="MQ" data-toggle="tooltip"
data-placement="bottom">
MQ
</a>
<a style="font-size: 12.72px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/21" title="中间件" data-toggle="tooltip"
data-placement="bottom">
中间件
</a>
<a style="font-size: 10.9px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/22" title="算法" data-toggle="tooltip"
data-placement="bottom">
算法
</a>
<a style="font-size: 12.86px;margin: 5px;"
href="https://rain.baimuxym.cn/tag/23" title="服务器" data-toggle="tooltip"
data-placement="bottom">
服务器
</a>
</div>
<div class="sidebar-module">
<h5 class="custom-title"><i class="fa fa-comments fa-fw icon"></i><strong>近期评论</strong>
<small></small>
</h5>
<ul class="list-unstyled list-inline comments">
<li>
<div class="clearfix" style="display: block;">
<span>
<img alt="匿名" src="https://rain.baimuxym.cn/img/random/user/1.jpg" class="avatar auto-shake" width="50" height="50" onerror="this.src='https://rain.baimuxym.cn/img/user.png'">
</span>
<span class="newest_comment_author">
匿名
</span>
<span class="fr" style="float: right;">
<time style="font-size: 12px;">2022-03-08 07:28:58</time>
</span>
</div>
<div style="background-color: #f5f5f5;line-height: 1.7;border-radius: 3px;color: #333;" class="newest_comment_content pd10 mar10-t pos-r mar5-b pjt fs13">
<a href="/article/5#comment-9" title="赞，白嫖一波，以示感谢，只能点...">
赞，白嫖一波，以示感谢，只能点...
</a>
</div>
<span class="gray fs12" style="word-break: break-all;">来自：
<a href="/article/5#comment-9">Java学习资源（学习路线思维导图+入门视频+框架+面试题+电子书+简历）</a>
</span>
</li>
<li>
<div class="clearfix" style="display: block;">
<span>
<img alt="匿名" src="https://rain.baimuxym.cn/img/random/user/7.jpg" class="avatar auto-shake" width="50" height="50" onerror="this.src='https://rain.baimuxym.cn/img/user.png'">
</span>
<span class="newest_comment_author">
匿名
</span>
<span class="fr" style="float: right;">
<time style="font-size: 12px;">2021-09-08 00:26:45</time>
</span>
</div>
<div style="background-color: #f5f5f5;line-height: 1.7;border-radius: 3px;color: #333;" class="newest_comment_content pd10 mar10-t pos-r mar5-b pjt fs13">
<a href="/article/5#comment-8" title="已领取，特定回来感谢，作者你真...">
已领取，特定回来感谢，作者你真...
</a>
</div>
<span class="gray fs12" style="word-break: break-all;">来自：
<a href="/article/5#comment-8">Java学习资源（学习路线思维导图+入门视频+框架+面试题+电子书+简历）</a>
</span>
</li>
<li>
<div class="clearfix" style="display: block;">
<span>
<img alt="醋酸菌HaC " src="https://rain.baimuxym.cn/img/favicon.ico" class="avatar auto-shake" width="50" height="50" onerror="this.src='https://rain.baimuxym.cn/img/user.png'">
</span>
<span class="newest_comment_author">
醋酸菌HaC
</span>
<span class="fr" style="float: right;">
<time style="font-size: 12px;">2021-08-06 13:35:58</time>
</span>
</div>
<div style="background-color: #f5f5f5;line-height: 1.7;border-radius: 3px;color: #333;" class="newest_comment_content pd10 mar10-t pos-r mar5-b pjt fs13">
<a href="/guestbook#comment-7" title="宝塔镇河妖">
宝塔镇河妖
</a>
</div>
<span class="gray fs12" style="word-break: break-all;">来自：
<a href="/guestbook#comment-7">留言板 </a>
</span>
</li>
<li>
<div class="clearfix" style="display: block;">
<span>
<img alt="酸豆角" src="https://rain.baimuxym.cn/img/random/user/1.jpg" class="avatar auto-shake" width="50" height="50" onerror="this.src='https://rain.baimuxym.cn/img/user.png'">
</span>
<span class="newest_comment_author">
酸豆角
</span>
<span class="fr" style="float: right;">
<time style="font-size: 12px;">2021-08-05 14:14:15</time>
</span>
</div>
<div style="background-color: #f5f5f5;line-height: 1.7;border-radius: 3px;color: #333;" class="newest_comment_content pd10 mar10-t pos-r mar5-b pjt fs13">
<a href="/guestbook#comment-5" title="System.out.prin...">
System.out.prin...
</a>
</div>
<span class="gray fs12" style="word-break: break-all;">来自：
<a href="/guestbook#comment-5">留言板 </a>
</span>
</li>
<li>
<div class="clearfix" style="display: block;">
<span>
<img alt="匿名" src="https://rain.baimuxym.cn/img/random/user/9.jpg" class="avatar auto-shake" width="50" height="50" onerror="this.src='https://rain.baimuxym.cn/img/user.png'">
</span>
<span class="newest_comment_author">
匿名
</span>
<span class="fr" style="float: right;">
<time style="font-size: 12px;">2021-04-17 03:46:39</time>
</span>
</div>
<div style="background-color: #f5f5f5;line-height: 1.7;border-radius: 3px;color: #333;" class="newest_comment_content pd10 mar10-t pos-r mar5-b pjt fs13">
<a href="/guestbook#comment-4" title="System.out.prin...">
System.out.prin...
</a>
</div>
<span class="gray fs12" style="word-break: break-all;">来自：
<a href="/guestbook#comment-4">留言板 </a>
</span>
</li>
</ul>
</div>
<div class="sidebar-module">
<ul class="nav nav-tabs sidebar-tabs" role="tablist">
<li role="presentation" class="active"><a href="#profile" aria-controls="profile" role="tab"
data-toggle="tab"><i class="fa fa-list"></i>近期文章</a></li>
<li role="presentation"><a href="#home" aria-controls="home" role="tab" data-toggle="tab"><i
class="fa fa-thumbs-o-up"></i>站长推荐</a></li>
<li role="presentation"><a href="#messages" aria-controls="messages" role="tab" data-toggle="tab"><i
class="fa fa-hand-peace-o"></i>随机文章</a></li>
</ul>
<div class="tab-content">
<div role="tabpanel" class="tab-pane active" id="profile">
<ol class="list-unstyled">
<li>
<a href="https://rain.baimuxym.cn/article/5" title="Java学习资源（学习路线思维导图+入门视频+框架+面试题+电子书+简历）"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> Java学习资源（学习路线思维导图+入门视频+框架+面试题+电子书+简历）
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/59" title="2022年3月裁员潮的一些看法"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 2022年3月裁员潮的一些看法
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/60" title="（1）【从0到1搭建服务器】选择云服务器"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> （1）【从0到1搭建服务器】选择云服务器
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/58" title="总结一些我Java面试的题目"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 总结一些我Java面试的题目
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/57" title="20211216加点药明康德"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 20211216加点药明康德
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/54" title="S11-不破不立，恭喜EDG"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> S11-不破不立，恭喜EDG
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/53" title="我在南大的七年——刘未鹏"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 我在南大的七年——刘未鹏
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/52" title="关于线程池ThreadPoolExecutor中多余的线程是如何回收的理解"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 关于线程池ThreadPoolExecutor中多余的线程是如何回收的理解
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/51" title="数据库连接池使用ThreadLocal的原因"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 数据库连接池使用ThreadLocal的原因
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/50" title="19-删除链表的倒数第N个结点"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 19-删除链表的倒数第N个结点
</a>
</li>
</ol>
</div>
<div role="tabpanel" class="tab-pane" id="home">
<ol class="list-unstyled">
<li class="empty-list">
<i class="fa fa-bookmark-o fa-fw"></i> 暂无相关文章
</li>
</ol>
</div>
<div role="tabpanel" class="tab-pane" id="messages">
<ol class="list-unstyled">
<li>
<a href="https://rain.baimuxym.cn/article/59" title="2022年3月裁员潮的一些看法"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 2022年3月裁员潮的一些看法
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/28" title="吹爆SSH、FTP终端工具—MobaXterm"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 吹爆SSH、FTP终端工具—MobaXterm
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/8" title="位运算符 —— & 与、| 或、~ 非、^ 异或 详细介绍"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 位运算符 —— & 与、| 或、~ 非、^ 异或 详细介绍
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/16" title="Java内存模型的指令重排序和happen-before"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> Java内存模型的指令重排序和happen-before
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/43" title="中国奥运往事：孤独、蛰伏、血性、大魔王"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 中国奥运往事：孤独、蛰伏、血性、大魔王
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/54" title="S11-不破不立，恭喜EDG"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> S11-不破不立，恭喜EDG
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/26" title="wireshark抓包工具使用简介"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> wireshark抓包工具使用简介
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/45" title="CAP理论的P理解"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> CAP理论的P理解
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/58" title="总结一些我Java面试的题目"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 总结一些我Java面试的题目
</a>
</li>
<li>
<a href="https://rain.baimuxym.cn/article/34" title="我自学MySQL的过程和建议"
data-toggle="tooltip" data-placement="bottom">
<i class="fa fa-book fa-fw"></i> 我自学MySQL的过程和建议
</a>
</li>
</ol>
</div>
</div>
</div>
<div class="clear"></div>
<div class="sidebar-module">
<h5 class="custom-title"><i class="fa fa-info fa-fw icon"></i><strong>网站信息</strong>
<small></small>
</h5>
<ul class="ul-default site-info">
<li><i class="fa fa-file fa-fw"></i> 文章总数：50 篇</li>
<li><i class="fa fa-tags fa-fw"></i> 标签总数：23 个</li>
<li><i class="fa fa-folder-open fa-fw"></i> 分类总数：12 个</li>
<li><i class="fa fa-comments fa-fw"></i> 留言数量：7 条</li>
<li><i class="fa fa-users fa-fw"></i> 在线人数：<span class="online">1</span>人</li>
<li><i class="fa fa-calendar fa-fw"></i> 运行天数：914天</li>
</ul>
</div>
<div class="ad-mark" id="SIDEBAR_BOTTOM" style="display: none"></div>
</div>
</div>
</div>
<div id="HOMEPAGE_OPEN_SCREEN" style="display: none" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="mySmallModalLabel" aria-hidden="true" data-keyboard="false">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
<h4 class="modal-title" id="myModalLabel">站长力荐<i class="fa fa-fire red"></i></h4>
</div>
<div class="modal-body ad-mark" id="ad-body">
</div>
</div>
</div>
</div>
<div class="modal fade nav-search-box" tabindex="-1" role="dialog" aria-labelledby="navSearchModalLabel">
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
<div class="modal-header" style="padding: 5px 15px;">
<button type="button" class="close" data-dismiss="modal" aria-label="Close" style="margin-top: 10px;">
<span aria-hidden="true">&times;</span></button>
<h4><i class="fa fa-search"></i> 搜索文章</h4>
</div>
<div class="modal-body">
<form action="/" method="post" class="form-horizontal searchForm" id="searchForm">
<input type="hidden" name="pageNumber" value="1">
<div class="input-group bottom-line">
<input type="text" class="form-control br-none" name="keywords" value=""
required="required" placeholder="输入搜索内容">
<span class="input-group-btn">
<button class="btn btn-default br-none nav-search-btn pointer" type="submit"><i
class="fa fa-search"></i> 搜索</button>
</span>
</div>
<div class="clear"></div>
<ul class="list-unstyled list-inline search-hot">
<li><strong style="position: relative;top: 2px;color: #999999;">热门搜索：</strong></li>
<li><a class="pointer" rel="external nofollow"><span
class="label label-info">Java</span></a></li>
<li><a class="pointer" rel="external nofollow"><span
class="label label-info">SpringBoot</span></a></li>
</ul>
</form>
</div>
</div>
</div>
</div>
<!--评论弹框-->
<div class="modal fade bs-example-modal-sm" id="comment-detail-modal" tabindex="-1" role="dialog"
aria-labelledby="comment-detail-modal-label">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span>
</button>
<h4 class="modal-title" id="comment-detail-modal-label">评论信息框</h4>
<small><i class="fa fa-lightbulb-o fa-fw"></i>可以通过QQ号实时获取昵称和头像</small>
</div>
<div class="modal-body">
<form id="detail-form">
<input type="hidden" name="avatar">
<div class="form-group input-logo">
<input type="text" class="form-control" name="qq" placeholder="选填" value="">
<img class="pull-left hide" alt="">
<span class="fa fa-qq pull-left" aria-hidden="true">QQ</span>
</div>
<div class="form-group input-logo">
<input type="text" class="form-control" name="nickname" placeholder="必填" value="匿名">
<span class="fa fa-user pull-left" aria-hidden="true">昵称</span>
</div>
<div class="form-group input-logo">
<input type="text" class="form-control" name="email" placeholder="选填">
<span class="fa fa-envelope pull-left" aria-hidden="true">邮箱</span>
</div>
<div class="form-group input-logo">
<input type="text" class="form-control" name="url" placeholder="选填">
<span class="fa fa-globe pull-left" aria-hidden="true">网址</span>
</div>
<div class="form-group">
<button type="button" class="btn btn-default btn-sm" id="detail-form-btn"><i
class="fa fa-smile-o"></i>提交评论
</button>
</div>
</form>
</div>
</div>
</div>
</div>
<div class="modal fade" id="reward" tabindex="-1" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span>
</button>
<h4 class="modal-title">山无棱江水为竭，冬雷震震夏雨雪，才敢请君舍</h4>
</div>
<div class="modal-body">
<div class="rewardType" align="center">
<ul class="list-unstyle list-inline">
<li style="margin-right: 20px;">
<input type="radio" name="type" id="alipay" onclick="PaymentUtils.change(0)" data-index="0"
checked="checked"><span style="margin-left: 5px;">支付宝</span>
</li>
<li style="margin-right: 20px;">
<input type="radio" name="type" id="wechat" onclick="PaymentUtils.change(1)" data-index="1"><span
style="margin-left: 5px;">微信</span>
</li>
</ul>
</div>
<div id="qrcode-container" align="center" style="margin-top: 10px;"></div>
<div style="width: 100%;color: #a3a3a3;font-size: 16px;font-family: 'Microsoft YaHei';text-align: center;">
转账时请备注“<strong>博客赞助</strong>”
</div>
</div>
</div>
<small class="font-bold"></small>
</div>
<small class="font-bold"></small>
</div>
<div id="loading">
<div class="filter"></div>
<div class="loader">
<div class="loading-1"></div>
<div class="loading-2">Loading...</div>
</div>
</div>
<footer class="footer">
<div class="container">
<div class="row">
<div class="col col-xs-12 col-md-12 col-lg-12">
<p>
<ul class="list-unstyled list-inline">
<li>其他连接：</li>
<li><a href="https://rain.baimuxym.cn/sitemap.html" target="_blank" title="网站地图"
data-toggle="tooltip" data-placement="bottom"><i
class="fa fa-map-o fa-fw"></i>网站地图</a></li>
<li><a href="https://rain.baimuxym.cn/recommended" title="站长推荐" data-toggle="tooltip"
data-placement="bottom"><i class="fa fa-thumbs-o-up fa-fw"></i>站长推荐</a></li>
<li><a href="https://rain.baimuxym.cn/updateLog" title="更新记录" data-toggle="tooltip"
data-placement="bottom"><i class="fa fa-file-o fa-fw"></i>更新记录</a></li>
<li><a href="https://rain.baimuxym.cn/archives" title="归档目录" data-toggle="tooltip"
data-placement="bottom"><i class="fa fa-folder-o fa-fw"></i>归档目录</a></li>
<li><a href="https://rain.baimuxym.cn/disclaimer" title="免责声明" data-toggle="tooltip"
data-placement="bottom"><i class="fa fa-file-o fa-fw"></i>免责声明</a></li>
</ul>
</p>
<p>
托管于 <a href="https://www.aliyun.com/activity?userCode=4lol8et7" target="_blank" title="阿里云" data-toggle="tooltip"
data-placement="bottom" rel="external nofollow">阿里云</a>
&
<a href="https://cloud.tencent.com/act/cps/redirect?redirect=1062&cps_key=664b44b4e8e43b579d07036bf1c71060&from=console" target="_blank" title="腾讯云" data-toggle="tooltip"
data-placement="bottom" rel="external nofollow">腾讯云</a></p>
<p>
</div>
<div class="col col-md-4"></div>
</div>
</div>
</footer>
<footer class="footer">
<div class="container">
<div class="row">
<div class="col col-xs-12 col-md-12 col-lg-12">
<p>
<br>
<a style="color:#bbb" href="https://beian.miit.gov.cn" target="_blank">粤ICP备17065056号</a>
</div>
</div>
</div>
</footer>
<a class="to-top" title="点击返回顶部" data-toggle="tooltip" data-placement="bottom"></a>
<script type="text/javascript" src="https://cdn.staticfile.org/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript"
src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.3.5/js/bootstrap.min.js"></script>
<script type="text/javascript"
src="https://cdn.staticfile.org/jquery.lazyload/1.9.1/jquery.lazyload.min.js"></script>
<script type="text/javascript" src="https://cdn.staticfile.org/jquery-confirm/3.3.2/jquery-confirm.min.js"></script>
<script type="text/javascript" src="https://cdn.staticfile.org/fancybox/2.1.5/jquery.fancybox.min.js"></script>
<script type="text/javascript"
src="https://cdn.staticfile.org/bootstrap-validator/0.5.3/js/bootstrapValidator.min.js"></script>
<script type="text/javascript" src="https://cdn.staticfile.org/nprogress/0.2.0/nprogress.min.js"></script>
<script type="text/javascript" src="https://cdn.staticfile.org/js-xss/0.3.3/xss.min.js"></script>
<script type="text/javascript" src="https://cdn.staticfile.org/mustache.js/2.3.0/mustache.min.js"></script>
<script type="text/javascript">
var appConfig = {
siteName: "醋酸菌HaC的博客",
wwwPath: "https://rain.baimuxym.cn",
cmsPath: "81.71.16.134:8085",
staticPath: "https://rain.baimuxym.cn",
lazyloadPath: "",
fileStoragePath: "http://images.baimuxym.cn//",
wxPraiseCode: "https://blog-1253198264.cos.ap-guangzhou.myqcloud.com/35c05f8737586f0ea4765f75cafd9d7.png" || "https://rain.baimuxym.cn/img/default.png",
zfbPraiseCode: "https://blog-1253198264.cos.ap-guangzhou.myqcloud.com/bdabd08c63cc98940eda822f7ef1913.png" || "https://rain.baimuxym.cn/img/default.png",
anonymous: "1",
editorPlaceholder: "说点什么吧",
editorAlert: "讲文明、要和谐",
dynamicTitle: " ",
bubbleWord: "",
};
var oauthConfig = {
loginUserId: "",
loginUserName: "",
loginUserAvatar: ""
}
</script>
<script type="text/javascript" src="https://rain.baimuxym.cn/js/zhyd.core.js"></script>
<script type="text/javascript" src="https://rain.baimuxym.cn/js/zhyd.comment.js"></script>
<script type="text/javascript" src="https://rain.baimuxym.cn/js/zhyd.js"></script>
<script type="text/javascript" id="customJs">
</script>
<script>
var typeMatch = location.href.match(/\/type\/([0-9]+)/);
if(null != typeMatch) {
var typeId = typeMatch[1];
$("#scrollmenu-" + typeId).addClass("active").attr("href", "javascript:void(0)");
}
</script>
</body>
</html>