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index.html
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<!DOCTYPE HTML>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta name="keywords" content="后端,java,c++,python,开发者,程序猿,极客,编程,代码,开源,Developer,Programmer,Coder,Geek,java,c++,python,spring,spring boot">
<meta name="description" content="">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<meta name="renderer" content="webkit|ie-stand|ie-comp">
<meta name="mobile-web-app-capable" content="yes">
<meta name="format-detection" content="telephone=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<!-- Global site tag (gtag.js) - Google Analytics -->
<title>鲍锋雄的博客</title>
<link rel="icon" type="image/png" href="/favicon.png">
<link rel="stylesheet" type="text/css" href="/libs/awesome/css/all.css">
<link rel="stylesheet" type="text/css" href="/libs/materialize/materialize.min.css">
<link rel="stylesheet" type="text/css" href="/libs/aos/aos.css">
<link rel="stylesheet" type="text/css" href="/libs/animate/animate.min.css">
<link rel="stylesheet" type="text/css" href="/libs/lightGallery/css/lightgallery.min.css">
<link rel="stylesheet" type="text/css" href="/css/matery.css">
<link rel="stylesheet" type="text/css" href="/css/my.css">
<script src="/libs/jquery/jquery.min.js"></script>
<meta name="generator" content="Hexo 4.2.0"></head>
<body>
<header class="navbar-fixed">
<nav id="headNav" class="bg-color nav-transparent">
<div id="navContainer" class="nav-wrapper container">
<div class="brand-logo">
<a href="/" class="waves-effect waves-light">
<img src="/medias/logo.png" class="logo-img" alt="LOGO">
<span class="logo-span">鲍锋雄的博客</span>
</a>
</div>
<a href="#" data-target="mobile-nav" class="sidenav-trigger button-collapse"><i class="fas fa-bars"></i></a>
<ul class="right nav-menu">
<li class="hide-on-med-and-down nav-item">
<a href="/" class="waves-effect waves-light">
<i class="fas fa-home" style="zoom: 0.6;"></i>
<span>首页</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/tags" class="waves-effect waves-light">
<i class="fas fa-tags" style="zoom: 0.6;"></i>
<span>标签</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/categories" class="waves-effect waves-light">
<i class="fas fa-bookmark" style="zoom: 0.6;"></i>
<span>分类</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/archives" class="waves-effect waves-light">
<i class="fas fa-archive" style="zoom: 0.6;"></i>
<span>归档</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/about" class="waves-effect waves-light">
<i class="fas fa-user-circle-o" style="zoom: 0.6;"></i>
<span>关于</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/friends" class="waves-effect waves-light">
<i class="fas fa-address-book" style="zoom: 0.6;"></i>
<span>友情链接</span>
</a>
</li>
<li>
<a href="#searchModal" class="modal-trigger waves-effect waves-light">
<i id="searchIcon" class="fas fa-search" title="搜索" style="zoom: 0.85;"></i>
</a>
</li>
</ul>
<div id="mobile-nav" class="side-nav sidenav">
<div class="mobile-head bg-color">
<img src="/medias/logo.png" class="logo-img circle responsive-img">
<div class="logo-name">鲍锋雄的博客</div>
<div class="logo-desc">
Never really desperate, only the lost of the soul.
</div>
</div>
<ul class="menu-list mobile-menu-list">
<li class="m-nav-item">
<a href="/" class="waves-effect waves-light">
<i class="fa-fw fas fa-home"></i>
首页
</a>
</li>
<li class="m-nav-item">
<a href="/tags" class="waves-effect waves-light">
<i class="fa-fw fas fa-tags"></i>
标签
</a>
</li>
<li class="m-nav-item">
<a href="/categories" class="waves-effect waves-light">
<i class="fa-fw fas fa-bookmark"></i>
分类
</a>
</li>
<li class="m-nav-item">
<a href="/archives" class="waves-effect waves-light">
<i class="fa-fw fas fa-archive"></i>
归档
</a>
</li>
<li class="m-nav-item">
<a href="/about" class="waves-effect waves-light">
<i class="fa-fw fas fa-user-circle-o"></i>
关于
</a>
</li>
<li class="m-nav-item">
<a href="/friends" class="waves-effect waves-light">
<i class="fa-fw fas fa-address-book"></i>
友情链接
</a>
</li>
<li><div class="divider"></div></li>
<li>
<a href="https://github.com/blinkfox/hexo-theme-matery" class="waves-effect waves-light" target="_blank">
<i class="fab fa-github-square fa-fw"></i>Fork Me
</a>
</li>
</ul>
</div>
</div>
<style>
.nav-transparent .github-corner {
display: none !important;
}
.github-corner {
position: absolute;
z-index: 10;
top: 0;
right: 0;
border: 0;
transform: scale(1.1);
}
.github-corner svg {
color: #0f9d58;
fill: #fff;
height: 64px;
width: 64px;
}
.github-corner:hover .octo-arm {
animation: a 0.56s ease-in-out;
}
.github-corner .octo-arm {
animation: none;
}
@keyframes a {
0%,
to {
transform: rotate(0);
}
20%,
60% {
transform: rotate(-25deg);
}
40%,
80% {
transform: rotate(10deg);
}
}
</style>
<a href="https://github.com/blinkfox/hexo-theme-matery" class="github-corner tooltipped hide-on-med-and-down" target="_blank"
data-tooltip="Fork Me" data-position="left" data-delay="50">
<svg viewBox="0 0 250 250" aria-hidden="true">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
<path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
<path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
fill="currentColor" class="octo-body"></path>
</svg>
</a>
</nav>
</header>
<style>
.carousel-control {
width: 45px;
height: 45px;
line-height: 55px;
border-radius: 45px;
background: transparent;
cursor: pointer;
z-index: 100;
}
#prev-cover {
position: absolute;
top: 48%;
left: 8px;
}
#next-cover {
position: absolute;
top: 48%;
right: 8px;;
}
#prev-cover i {
margin-right: 3px;
}
#next-cover i {
margin-left: 3px;
}
.carousel-control:hover {
background-color: rgba(0, 0, 0, .4);
}
.carousel-control i {
color: #fff;
font-size: 2.4rem;
}
</style>
<div class="carousel carousel-slider center index-cover" data-indicators="true" style="margin-top: -64px;">
<div class="carousel-item red white-text bg-cover about-cover">
<div class="container">
<div class="row">
<div class="col s10 offset-s1 m8 offset-m2 l8 offset-l2">
<div class="brand">
<div class="title center-align">
subtitle
</div>
<div class="description center-align">
<span id="subtitle"></span>
<script src="https://cdn.jsdelivr.net/npm/typed.js@2.0.11"></script>
<script>
var typed = new Typed("#subtitle", {
strings: [
"从来没有真正的绝境, 只有心灵的迷途",
"Never really desperate, only the lost of the soul",
],
startDelay: 300,
typeSpeed: 100,
loop: true,
backSpeed: 50,
showCursor: true
});
</script>
</div>
</div>
</div>
</div>
<script>
// 每天切换 banner 图. Switch banner image every day.
var bannerUrl = "/medias/banner/" + new Date().getDay() + '.jpg';
$('.bg-cover').css('background-image', 'url(' + bannerUrl + ')');
</script>
<div class="cover-btns">
<a href="#indexCard" class="waves-effect waves-light btn">
<i class="fa fa-angle-double-down"></i>开始阅读
</a>
<a href="https://github.com/tony-coder/tony-coder.github.io" class="waves-effect waves-light btn" target="_blank">
<i class="fab fa-github-alt"></i>Github
</a>
</div>
<div class="cover-social-link">
<a href="https://github.com/tony-coder" class="tooltipped" target="_blank" data-tooltip="访问我的GitHub" data-position="top" data-delay="50">
<i class="fab fa-github"></i>
</a>
<a href="mailto:1606771552@qq.com" class="tooltipped" target="_blank" data-tooltip="邮件联系我" data-position="top" data-delay="50">
<i class="fas fa-envelope-open"></i>
</a>
<a href="tencent://AddContact/?fromId=50&fromSubId=1&subcmd=all&uin=1606771552" class="tooltipped" target="_blank" data-tooltip="QQ联系我: 1606771552" data-position="top" data-delay="50">
<i class="fab fa-qq"></i>
</a>
<a href="/atom.xml" class="tooltipped" target="_blank" data-tooltip="RSS 订阅" data-position="top" data-delay="50">
<i class="fas fa-rss"></i>
</a>
</div>
</div>
</div>
</div>
<script>
$(function () {
let coverSlider = $('.carousel');
//用户触摸轮播自动 restartPlay 是否生效
let initUserPressedOrDraggedActive = false
//用户触摸轮播自动 restartPlay
function initUserPressedOrDragged(instance) {
setInterval(() => {
if (instance.pressed || instance.dragged) {
// console.log('initUserPressedOrDragged: ',instance.pressed,instance.dragged)
restartPlay()
}
}, 1000)
}
coverSlider.carousel({
duration: Number('120'),
fullWidth: true,
indicators: 'true' === 'true',
onCycleTo() {
if (!initUserPressedOrDraggedActive) {
// console.log('initUserPressedOrDraggedActive')
initUserPressedOrDragged(this)
initUserPressedOrDraggedActive = true
}
},
})
let carouselIntervalId;
// Loop to call the next cover article picture.
let autoCarousel = function () {
carouselIntervalId = setInterval(function () {
coverSlider.carousel('next');
}, 5000);
};
autoCarousel();
function restartPlay() {
clearInterval(carouselIntervalId);
autoCarousel();
};
// prev and next cover post.
$('#prev-cover').click(function () {
coverSlider.carousel('prev');
restartPlay();
});
$('#next-cover').click(function () {
coverSlider.carousel('next');
restartPlay();
});
});
</script>
<main class="content">
<div id="indexCard" class="index-card">
<div class="container ">
<div class="card">
<div class="card-content">
<div class="dream">
<div class="title center-align">
<i class="far fa-lightbulb"></i> 我的梦想
</div>
<div class="row">
<div class="col l8 offset-l2 m10 offset-m1 s10 offset-s1 center-align text">
不是每个人都应该像我这样去建造一座水晶大教堂，但是每个人都应该拥有自己的梦想，设计自己的梦想，追求自己的梦想，实现自己的梦想。梦想是生命的灵魂，是心灵的灯塔，是引导人走向成功的信仰。有了崇高的梦想，只要矢志不渝地追求，梦想就会成为现实，奋斗就会变成壮举，生命就会创造奇迹。——罗伯·舒乐
</div>
</div>
</div>
<div id="recommend-sections" class="recommend">
</div>
</div>
</div>
</div>
</div>
<!-- 所有文章卡片 -->
<article id="articles" class="container articles">
<div class="row article-row">
<div class="article col s12 m6 l4" data-aos="zoom-in">
<div class="card">
<a href="/2021/06/27/%E4%BB%80%E4%B9%88%E6%98%AF%E5%BE%AE%E6%9C%8D%E5%8A%A1/">
<div class="card-image">
<img src="/medias/featureimages/13.jpg" class="responsive-img" alt="什么是微服务">
<span class="card-title">什么是微服务</span>
</div>
</a>
<div class="card-content article-content">
<div class="summary block-with-text">
微服务是系统架构上的一种设计风格，它的主旨是将一个原本独立的系统拆分成多个小型服务，这些小型服务都各自独立的进程中运行，服务之间通过基于HTTP的RESTful API进行通信协作。
如何实施微服务
服务组件化
按业务组织团队
做“产品”
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<i class="far fa-clock fa-fw icon-date"></i>2021-06-27
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<a href="/tags/%E5%BE%AE%E6%9C%8D%E5%8A%A1/">
<span class="chip bg-color">微服务</span>
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<a href="/2020/04/06/1049%20Counting%20Ones%20(30%E5%88%86)/">
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<img src="/medias/featureimages/18.jpg" class="responsive-img" alt="1049 Counting Ones (30分)">
<span class="card-title">1049 Counting Ones (30分)</span>
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题目大意： 给一个数N，统计从1到N的所有数字中1出现的次数。
解题思路： 这道题是《编程之美》上面的一道题（第2.4节），需要通过分析来总结规律，然后总结出公式，如果暴力去“数”1的个数，显然会超时。但如果通过公式来算的话，时间复杂度就直
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<i class="far fa-clock fa-fw icon-date"></i>2020-04-06
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bfx
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<span class="chip bg-color">PAT刷题记录</span>
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<a href="/2020/03/27/945.%20%E4%BD%BF%E6%95%B0%E7%BB%84%E5%94%AF%E4%B8%80%E7%9A%84%E6%9C%80%E5%B0%8F%E5%A2%9E%E9%87%8F/">
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<img src="/medias/featureimages/4.jpg" class="responsive-img" alt="945. 使数组唯一的最小增量">
<span class="card-title">945. 使数组唯一的最小增量</span>
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945. 使数组唯一的最小增量
给定整数数组 A，每次 move 操作将会选择任意$A[i]$，并将其递增$1$。
返回使 A 中的每个值都是唯一的最少操作次数。
示例 1:
123输入：[1,2,2]输出：1解释：经过一次 move 操作
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<span class="publish-date">
<i class="far fa-clock fa-fw icon-date"></i>2020-03-27
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<i class="fas fa-user fa-fw"></i>
bfx
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<span class="chip bg-color">Leetcode</span>
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<a href="/2020/03/23/876.%20%E9%93%BE%E8%A1%A8%E7%9A%84%E4%B8%AD%E9%97%B4%E7%BB%93%E7%82%B9/">
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<img src="/medias/featureimages/18.jpg" class="responsive-img" alt="876. 链表的中间结点">
<span class="card-title">876. 链表的中间结点</span>
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876. 链表的中间结点
给定一个带有头结点 head 的非空单链表，返回链表的中间结点。如果有两个中间结点，则返回第二个中间结点。
示例 1：
12345输入：[1,2,3,4,5]输出：此列表中的结点 3 (序列化形式：[3,4,5])
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<span class="publish-date">
<i class="far fa-clock fa-fw icon-date"></i>2020-03-23
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<i class="fas fa-user fa-fw"></i>
bfx
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<a href="/tags/Leetcode/">
<span class="chip bg-color">Leetcode</span>
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<img src="/medias/featureimages/0.jpg" class="responsive-img" alt="线性时间选择问题">
<span class="card-title">线性时间选择问题</span>
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元素选择问题(Select)：对于给定的包含n个元素的线性序集和一个整数k，1≤k≤n，找出这n个元素中第k小的元素。
1)基本思路：先排序(如：快速排序)，后查找。
2)改进思路：由于只需要查找第k小的元素，故只要递归查找划分后的某个分区
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<span class="publish-date">
<i class="far fa-clock fa-fw icon-date"></i>2020-03-20
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<span class="chip bg-color">算法</span>
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<span class="chip bg-color">分治</span>
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<a href="/2020/03/10/1076%20Forwards%20on%20Weibo%20(30%E5%88%86)/">
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<img src="/medias/featureimages/23.jpg" class="responsive-img" alt="1076 Forwards on Weibo (30分)">
<span class="card-title">1076 Forwards on Weibo (30分)</span>
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题意分析给出每个用户关注的人，问如果给定的人发了一条微博，在所给的最大转发层数下，最多有多少个人会转发。注意给出的是每个用户关注的人，而不是关注该用户的人。
注意这道题用BFS很容易，用DFS也可以但容易出问题，后面将作详细分析。
广度优先
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<i class="far fa-clock fa-fw icon-date"></i>2020-03-10
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<a href="/2020/03/06/%E4%B8%80%E7%AF%87%E6%96%87%E7%AB%A0%E8%AE%B2%E6%B8%85%E6%A5%9AGradle%E4%B8%8EGradle%20Wrapper%E7%9A%84%E5%8C%BA%E5%88%AB/">
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<img src="/medias/featureimages/3.jpg" class="responsive-img" alt="一篇文章讲清楚Gradle与Gradle Wrapper的区别">
<span class="card-title">一篇文章讲清楚Gradle与Gradle Wrapper的区别</span>
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Gradle：android用来构建项目的编程框架。这个玩意对于使用AS开发的，大家都清楚，用这个来构建项目变得无比轻松和高可定制性，比如引入第三方依赖，发布到maven库，构建多渠道版本等等都变得非常轻松，所以对于使用Gradle，自然是
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<i class="far fa-clock fa-fw icon-date"></i>2020-03-06
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<span class="chip bg-color">构建工具</span>
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<a href="/2020/03/05/1119%20Pre-%20and%20Post-order%20Traversals%20(30%E5%88%86)/">
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<span class="card-title">1119 Pre- and Post-order Traversals (30分)</span>
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题目大意：给出一棵树的结点个数n，以及它的前序遍历和后序遍历，输出它的中序遍历，如果中序遍历不唯一就输出No，且输出其中一个中序即可，如果中序遍历唯一就输出Yes，并输出它的中序
主要是如何判断结果是否唯一，已知二叉树的前序和后序是无法唯一
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<i class="far fa-clock fa-fw icon-date"></i>2020-03-05
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<a href="/2020/03/05/bean%E7%9A%84%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F/">
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<img src="/medias/featureimages/1.jpg" class="responsive-img" alt="bean的生命周期">
<span class="card-title">bean的生命周期</span>
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Spring对bean进行实例化;
Spring捋值和bean的引用注入到bean对应的属性中;
如果bean实现了 BeanNameAware接口, Spring浮bean的传递给setbean-Name()方法;
如果bean实现了
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<i class="far fa-clock fa-fw icon-date"></i>2020-03-05
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<span class="chip bg-color">Spring</span>
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<a href="/2020/03/04/1064%20Complete%20Binary%20Search%20Tree%20(30%E5%88%86)/">
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<img src="/medias/featureimages/19.jpg" class="responsive-img" alt="1064 Complete Binary Search Tree (30分)">
<span class="card-title">1064 Complete Binary Search Tree (30分)</span>
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主要是一开始没弄清题目中完全二叉树的定义
思路：
一棵排序二叉树的中序遍历就是这一组数的递增序列。这边是完全二叉树，假设从0开始，那么节点i的左孩子的标号就是2i+1，右孩子的标号就是2(i+1)。先将这组数按照递增来排序，然后用中序遍历复
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<i class="far fa-clock fa-fw icon-date"></i>2020-03-04
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