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<!DOCTYPE html>
<html class="theme-next pisces use-motion" lang="zh-Hans">
<head>
<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=5.1.3" rel="stylesheet" type="text/css" />
<link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-next.png?v=5.1.3">
<link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-32x32-next.png?v=5.1.3">
<link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-16x16-next.png?v=5.1.3">
<link rel="mask-icon" href="/images/logo.svg?v=5.1.3" color="#222">
<meta name="keywords" content="Hexo, NexT" />
<meta name="description" content="草根开发者">
<meta property="og:type" content="website">
<meta property="og:title" content="两点水的博客">
<meta property="og:url" content="http://yoursite.com/index.html">
<meta property="og:site_name" content="两点水的博客">
<meta property="og:description" content="草根开发者">
<meta property="og:locale" content="zh-Hans">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="两点水的博客">
<meta name="twitter:description" content="草根开发者">
<script type="text/javascript" id="hexo.configurations">
var NexT = window.NexT || {};
var CONFIG = {
root: '/',
scheme: 'Pisces',
version: '5.1.3',
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>两点水的博客</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 ">
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<a href="/" class="brand" rel="start">
<span class="logo-line-before"><i></i></span>
<span class="site-title">两点水的博客</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-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>
</ul>
</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/2018/02/27/使用Python虚拟环境/">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="两点水">
<meta itemprop="description" content="">
<meta itemprop="image" content="/images/avatar.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="两点水的博客">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/2018/02/27/使用Python虚拟环境/" itemprop="url">使用Python虚拟环境</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="2018-02-27T00:00:00+08:00">
2018-02-27
</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/Python/" itemprop="url" rel="index">
<span itemprop="name">Python</span>
</a>
</span>
</span>
<div class="post-wordcount">
<span class="post-meta-item-icon">
<i class="fa fa-file-word-o"></i>
</span>
<span class="post-meta-item-text">字数统计:</span>
<span title="字数统计">
751
</span>
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-clock-o"></i>
</span>
<span class="post-meta-item-text">阅读时长 ≈</span>
<span title="阅读时长">
3
</span>
</div>
</div>
</header>
<div class="post-body" itemprop="articleBody">
python 的虚拟环境可以为一个 python 项目提供独立的解释环境、依赖包等资源，既能够很好的隔离不同项目使用不同 python 版本带来的冲突，而且还能方便项目的发布。
virtualenvvirtualenv可用于创建独立的 Python 环境，它会创建一个包含项目所必须要的执行文件。
安
...
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<div class="post-button text-center">
<a class="btn" href="/2018/02/27/使用Python虚拟环境/#more" rel="contents">
阅读全文 »
</a>
</div>
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</div>
<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/2018/01/12/草根学Python（十六） 装饰器（逐步演化成装饰器）/">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="两点水">
<meta itemprop="description" content="">
<meta itemprop="image" content="/images/avatar.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="两点水的博客">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/2018/01/12/草根学Python（十六） 装饰器（逐步演化成装饰器）/" itemprop="url">草根学Python（十六） 装饰器（逐步演化成装饰器）</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="2018-01-12T00:00:00+08:00">
2018-01-12
</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/Python/" itemprop="url" rel="index">
<span itemprop="name">Python</span>
</a>
</span>
，
<span itemprop="about" itemscope itemtype="http://schema.org/Thing">
<a href="/categories/Python/草根学-Python/" itemprop="url" rel="index">
<span itemprop="name">草根学 Python</span>
</a>
</span>
</span>
<div class="post-wordcount">
<span class="post-meta-item-icon">
<i class="fa fa-file-word-o"></i>
</span>
<span class="post-meta-item-text">字数统计:</span>
<span title="字数统计">
1,785
</span>
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-clock-o"></i>
</span>
<span class="post-meta-item-text">阅读时长 ≈</span>
<span title="阅读时长">
7
</span>
</div>
</div>
</header>
<div class="post-body" itemprop="articleBody">
上一篇文章将通过解决一个需求问题来了解了闭包，本文也将一样，通过慢慢演变一个需求，一步一步来了解 Python 装饰器。
首先有这么一个输出员工打卡信息的函数：
12345def punch(): print('昵称：两点水 部门：做鸭事业部 上班打卡成功')punch()
输出的结果如下：
...
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<div class="post-button text-center">
<a class="btn" href="/2018/01/12/草根学Python（十六） 装饰器（逐步演化成装饰器）/#more" rel="contents">
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</a>
</div>
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</div>
<footer class="post-footer">
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</article>
<article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
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<link itemprop="mainEntityOfPage" href="http://yoursite.com/2018/01/05/草根学Python（十五） 闭包（解决一个需求了解闭包流程）/">
<span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
<meta itemprop="name" content="两点水">
<meta itemprop="description" content="">
<meta itemprop="image" content="/images/avatar.png">
</span>
<span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
<meta itemprop="name" content="两点水的博客">
</span>
<header class="post-header">
<h1 class="post-title" itemprop="name headline">
<a class="post-title-link" href="/2018/01/05/草根学Python（十五） 闭包（解决一个需求了解闭包流程）/" itemprop="url">草根学Python（十五） 闭包（解决一个需求了解闭包流程）</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="2018-01-05T00:00:00+08:00">
2018-01-05
</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/Python/" itemprop="url" rel="index">
<span itemprop="name">Python</span>
</a>
</span>
，
<span itemprop="about" itemscope itemtype="http://schema.org/Thing">
<a href="/categories/Python/草根学-Python/" itemprop="url" rel="index">
<span itemprop="name">草根学 Python</span>
</a>
</span>
</span>
<div class="post-wordcount">
<span class="post-meta-item-icon">
<i class="fa fa-file-word-o"></i>
</span>
<span class="post-meta-item-text">字数统计:</span>
<span title="字数统计">
1,303
</span>
<span class="post-meta-divider">|</span>
<span class="post-meta-item-icon">
<i class="fa fa-clock-o"></i>
</span>
<span class="post-meta-item-text">阅读时长 ≈</span>
<span title="阅读时长">
5
</span>
</div>
</div>
</header>
<div class="post-body" itemprop="articleBody">
网络上介绍 Python 闭包的文章已经很多了，本文将通过解决一个需求问题来了解闭包。
这个需求是这样的，我们需要一直记录自己的学习时间，以分钟为单位。就好比我学习了 2 分钟，就返回 2 ，然后隔了一阵子，我学习了 10 分钟，那么就返回 12 ，像这样把学习时间一直累加下去。
面对这个需求，我们
...
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行业背景最近二三十年里，互联网高速发展，日新月异，新概念，新思维，新观点，穷出不尽，互联网颠覆了很多行业。彩票行业也不例外。
彩票，只有国家（福彩、体彩）有发行的资格，个人觉得从某种意义上来说，彩票就是相当于赌博，然而博彩可以说是互联网商业模式中最直接的变现方式。因此彩票在互联网时代迎来了属于它的春
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