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<!DOCTYPE html>
<html class="theme-next gemini use-motion" lang="zh-Hans">
<head><meta name="generator" content="Hexo 3.9.0">
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<meta name="theme-color" content="#222">
<meta http-equiv="Cache-Control" content="no-transform">
<meta http-equiv="Cache-Control" content="no-siteapp">
<link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css">
<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css">
<link href="/css/main.css?v=5.1.4" rel="stylesheet" type="text/css">
<link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-next.png?v=5.1.4">
<link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-32x32-next.png?v=5.1.4">
<link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-16x16-next.png?v=5.1.4">
<link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">
<meta name="keywords" content="Hexo, NexT">
<meta name="description" content="谁还不是个宝宝呢">
<meta property="og:type" content="website">
<meta property="og:title" content="Blog">
<meta property="og:url" content="http://yoursite.com/index.html">
<meta property="og:site_name" content="Blog">
<meta property="og:description" content="谁还不是个宝宝呢">
<meta property="og:locale" content="zh-Hans">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Blog">
<meta name="twitter:description" content="谁还不是个宝宝呢">
<script type="text/javascript" id="hexo.configurations">
var NexT = window.NexT || {};
var CONFIG = {
root: '/',
scheme: 'Gemini',
version: '5.1.4',
sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
fancybox: true,
tabs: true,
motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
duoshuo: {
userId: '0',
author: '博主'
},
algolia: {
applicationID: '',
apiKey: '',
indexName: '',
hits: {"per_page":10},
labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
}
};
</script>
<link rel="canonical" href="http://yoursite.com/">
<title>Blog</title>
</head>
<body itemscope itemtype="http://schema.org/WebPage" lang="zh-Hans">
<div class="container sidebar-position-left
page-home">
<div class="headband"></div>
<header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
<div class="header-inner"><div class="site-brand-wrapper">
<div class="site-meta ">
<div class="custom-logo-site-title">
<a href="/" class="brand" rel="start">
<span class="logo-line-before"><i></i></span>
<span class="site-title">Blog</span>
<span class="logo-line-after"><i></i></span>
</a>
</div>
<p class="site-subtitle"></p>
</div>
<div class="site-nav-toggle">
<button>
<span class="btn-bar"></span>
<span class="btn-bar"></span>
<span class="btn-bar"></span>
</button>
</div>
</div>
<nav class="site-nav">
<ul id="menu" class="menu">
<li class="menu-item menu-item-home">
<a href="/" rel="section">
<i class="menu-item-icon fa fa-fw fa-home"></i> <br>
首页
</a>
</li>
<li class="menu-item menu-item-tags">
<a href="/tags/" rel="section">
<i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
标签
</a>
</li>
<li class="menu-item menu-item-categories">
<a href="/categories/" rel="section">
<i class="menu-item-icon fa fa-fw fa-th"></i> <br>
分类
</a>
</li>
<li class="menu-item menu-item-archives">
<a href="/archives/" rel="section">
<i class="menu-item-icon fa fa-fw fa-archive"></i> <br>
归档
</a>
</li>
<li class="menu-item menu-item-search">
<a href="javascript:;" class="popup-trigger">
<i class="menu-item-icon fa fa-search fa-fw"></i> <br>
搜索
</a>
</li>
</ul>
<div class="site-search">
<div class="popup search-popup local-search-popup">
<div class="local-search-header clearfix">
<span class="search-icon">
<i class="fa fa-search"></i>
</span>
<span class="popup-btn-close">
<i class="fa fa-times-circle"></i>
</span>
<div class="local-search-input-wrapper">
<input autocomplete="off" placeholder="搜索..." spellcheck="false" type="text" id="local-search-input">
</div>
</div>
<div id="local-search-result"></div>
</div>
</div>
</nav>
</div>
</header>
<main id="main" class="main">
<div class="main-inner">
<div class="content-wrap">
<div id="content" class="content">
<section id="posts" class="posts-expand">
<article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
<div class="post-block">
<link itemprop="mainEntityOfPage" href="http://yoursite.com/2019/09/27/httpHeaders/">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="王乐平">
<meta itemprop="description" content>
<meta itemprop="image" content="/images/miaowa.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="Blog">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/2019/09/27/httpHeaders/" itemprop="url">HTTP headers 之 host, referer, origin</a></h1>
<div class="post-meta">
<span class="post-time">
<span class="post-meta-item-icon">
<i class="fa fa-calendar-o"></i>
</span>
<span class="post-meta-item-text">发表于</span>
<time title="创建于" itemprop="dateCreated datePublished" datetime="2019-09-27T00:00:00+08:00">
2019-09-27
</time>
</span>
<span class="post-category">
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-folder-o"></i>
</span>
<span class="post-meta-item-text">分类于</span>
<span itemprop="about" itemscope itemtype="http://schema.org/Thing">
<a href="/categories/http/" itemprop="url" rel="index">
<span itemprop="name">http</span>
</a>
</span>
</span>
</div>
</header>
<div class="post-body" itemprop="articleBody">
<p><img src="https://blog-wlp.oss-cn-beijing.aliyuncs.com/blog/httpHeaders/1.png" alt="http headers"><br>还在对 HTTP 头中的 host, referer, origin 傻傻分不清吗。今天我们就来弄清楚他们的区别及用途。</p>
<h2 id="1-host"><a href="#1-host" class="headerlink" title="1. host"></a>1. host</h2><h3 id="1-1-定义"><a href="#1-1-定义" class="headerlink" title="1.1 定义"></a>1.1 定义</h3><p>Host 请求头指明了请求服务器的域名/IP地址和端口号。</p>
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<div class="post-button text-center">
<a class="btn" href="/2019/09/27/httpHeaders/" rel="contents">
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<footer class="post-footer">
<div class="post-eof"></div>
</footer>
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</article>
<article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
<div class="post-block">
<link itemprop="mainEntityOfPage" href="http://yoursite.com/2019/09/17/jsVersion/">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="王乐平">
<meta itemprop="description" content>
<meta itemprop="image" content="/images/miaowa.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="Blog">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/2019/09/17/jsVersion/" itemprop="url">js中版本号的比较</a></h1>
<div class="post-meta">
<span class="post-time">
<span class="post-meta-item-icon">
<i class="fa fa-calendar-o"></i>
</span>
<span class="post-meta-item-text">发表于</span>
<time title="创建于" itemprop="dateCreated datePublished" datetime="2019-09-17T00:00:00+08:00">
2019-09-17
</time>
</span>
<span class="post-category">
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-folder-o"></i>
</span>
<span class="post-meta-item-text">分类于</span>
<span itemprop="about" itemscope itemtype="http://schema.org/Thing">
<a href="/categories/js/" itemprop="url" rel="index">
<span itemprop="name">js</span>
</a>
</span>
</span>
</div>
</header>
<div class="post-body" itemprop="articleBody">
<h2 id="1-背景"><a href="#1-背景" class="headerlink" title="1. 背景"></a>1. 背景</h2><p>在开发过程中，我们常常需要比较两个版本号的大小，来做一些特殊处理，今天我们就来实现此功能。</p>
<p>假设版本号为非空字符串，并且只包含数字和 <code>.</code> 字符。这种情形下比较两个版本号 <code>version1</code> 和 <code>version2</code>，如果 <code>version1 > version2</code> 返回 <code>1</code>，如果 <code>version1 < version2</code> 返回 <code>-1</code>， 除此之外返回 <code>0</code>。</p>
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<footer class="post-footer">
<div class="post-eof"></div>
</footer>
</div>
</article>
<article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
<div class="post-block">
<link itemprop="mainEntityOfPage" href="http://yoursite.com/2019/09/16/miniProgram-login/">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="王乐平">
<meta itemprop="description" content>
<meta itemprop="image" content="/images/miaowa.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="Blog">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/2019/09/16/miniProgram-login/" itemprop="url">小程序登录流程全解析</a></h1>
<div class="post-meta">
<span class="post-time">
<span class="post-meta-item-icon">
<i class="fa fa-calendar-o"></i>
</span>
<span class="post-meta-item-text">发表于</span>
<time title="创建于" itemprop="dateCreated datePublished" datetime="2019-09-16T00:00:00+08:00">
2019-09-16
</time>
</span>
<span class="post-category">
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-folder-o"></i>
</span>
<span class="post-meta-item-text">分类于</span>
<span itemprop="about" itemscope itemtype="http://schema.org/Thing">
<a href="/categories/小程序/" itemprop="url" rel="index">
<span itemprop="name">小程序</span>
</a>
</span>
</span>
</div>
</header>
<div class="post-body" itemprop="articleBody">
<p>用户登录是一个系统的必备功能。而小程序的登录流程和<code>Web</code>端又有一些不同，主要是要与微信服务器进行通信验证。下面我们就来看下小程序具体的登录流程。</p>
<h2 id="1-登录流程"><a href="#1-登录流程" class="headerlink" title="1. 登录流程"></a>1. 登录流程</h2><p>小程序可以通过微信官方提供的登录能力方便地获取微信提供的用户身份标识，快速建立小程序内的用户体系。</p>
<p><img src="https://blog-wlp.oss-cn-beijing.aliyuncs.com/blog/miniProgramLogin/loginjpg.jpg" alt="小程序登录时序图"></p>
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<footer class="post-footer">
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</footer>
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</article>
<article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
<div class="post-block">
<link itemprop="mainEntityOfPage" href="http://yoursite.com/2019/08/09/miniProgramPerformance/">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="王乐平">
<meta itemprop="description" content>
<meta itemprop="image" content="/images/miaowa.png">
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<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/2019/08/09/miniProgramPerformance/" itemprop="url">小程序性能优化技巧</a></h1>
<div class="post-meta">
<span class="post-time">
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<span class="post-meta-item-text">发表于</span>
<time title="创建于" itemprop="dateCreated datePublished" datetime="2019-08-09T00:00:00+08:00">
2019-08-09
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<p>网页性能优化是前端一个老生常谈的话题，但微信小程序因为双线程的架构设计，跟传统 <code>Web</code> 页面不太一样。所以，今天来探究下微信小程序内的性能优化问题。</p>
<p>首先，要问大家一个问题：从打开微信小程序到首页展示在大家面前，要经过哪些过程？（可以类比与前端另一个常见问题：<code>Web</code> 页面从输入 <code>url</code> 到页面展示具体经过了哪些过程）</p>
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<a class="post-title-link" href="/2019/07/25/miniProgram-start2/" itemprop="url">小程序项目构建（二）</a></h1>
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<h2 id="1-多环境切换"><a href="#1-多环境切换" class="headerlink" title="1. 多环境切换"></a>1. 多环境切换</h2><p>接上文：因为小程序只会存在一个预览版本，所以测试同学需要在其他环境测试时，都需要找到开发同学手动更改环境并重新发布体验版，非常之麻烦。<br>可以利用微信摇一摇来实现环境的切换。</p>
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