This commit is contained in:
2026-01-17 09:36:00 +00:00
commit 89e46030e4
310 changed files with 93285 additions and 0 deletions

358
2019/09/28/python.html Normal file
View File

@@ -0,0 +1,358 @@
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<!-- Begin Jekyll SEO tag v2.8.0 -->
<title>Python学习笔记 - Turtle | Mayx的博客</title>
<meta name="generator" content="Jekyll v3.9.5" />
<meta property="og:title" content="Python学习笔记 - Turtle" />
<meta name="author" content="mayx" />
<meta property="og:locale" content="zh_CN" />
<meta name="description" content="没想到我终有一天也得学Python了……" />
<meta property="og:description" content="没想到我终有一天也得学Python了……" />
<meta property="og:site_name" content="Mayx的博客" />
<meta property="og:type" content="article" />
<meta property="article:published_time" content="2019-09-28T00:00:00+08:00" />
<meta name="twitter:card" content="summary" />
<meta property="twitter:title" content="Python学习笔记 - Turtle" />
<meta name="google-site-verification" content="huTYdEesm8NaFymixMNqflyCp6Jfvd615j5Wq1i2PHc" />
<meta name="msvalidate.01" content="0ADFCE64B3557DC4DC5F2DC224C5FDDD" />
<meta name="yandex-verification" content="fc0e535abed800be" />
<script type="application/ld+json">
{"@context":"https://schema.org","@type":"BlogPosting","author":{"@type":"Person","name":"mayx"},"dateModified":"2019-09-28T00:00:00+08:00","datePublished":"2019-09-28T00:00:00+08:00","description":"没想到我终有一天也得学Python了……","headline":"Python学习笔记 - Turtle","mainEntityOfPage":{"@type":"WebPage","@id":"/2019/09/28/python.html"},"publisher":{"@type":"Organization","logo":{"@type":"ImageObject","url":"https://avatars0.githubusercontent.com/u/17966333"},"name":"mayx"},"url":"/2019/09/28/python.html"}</script>
<!-- End Jekyll SEO tag -->
<link rel="canonical" href="https://mabbs.github.io/2019/09/28/python.html" />
<link type="application/atom+xml" rel="alternate" href="/atom.xml" title="Mayx的博客" />
<link rel="alternate" type="application/rss+xml" title="Mayx的博客(RSS)" href="/rss.xml" />
<link rel="alternate" type="application/json" title="Mayx的博客(JSON Feed)" href="/feed.json" />
<link rel="stylesheet" href="/assets/css/style.css?v=1768642553" />
<!--[if !IE]> -->
<link rel="stylesheet" href="/Live2dHistoire/live2d/css/live2d.css" />
<!-- <![endif]-->
<link rel="search" type="application/opensearchdescription+xml" href="/opensearch.xml" title="Mayx的博客" />
<link rel="webmention" href="https://webmention.io/mabbs.github.io/webmention" />
<link rel="pingback" href="https://webmention.io/mabbs.github.io/xmlrpc" />
<link rel="preconnect" href="https://summary.mayx.eu.org" crossorigin="anonymous" />
<link rel="prefetch" href="https://www.blogsclub.org/badge/mabbs.github.io" as="image" />
<link rel="blogroll" type="text/xml" href="/blogroll.opml" />
<link rel="me" href="https://github.com/Mabbs" />
<script src="/assets/js/jquery.min.js"></script>
<!--[if lt IE 9]>
<script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery-ajaxtransport-xdomainrequest/1.0.3/jquery.xdomainrequest.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
<script>
var lastUpdated = new Date("Sat, 17 Jan 2026 17:35:53 +0800");
var BlogAPI = "https://summary.mayx.eu.org";
</script>
<script src="/assets/js/main.js"></script>
<!--[if !IE]> -->
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async="async" src="https://www.googletagmanager.com/gtag/js?id=UA-137710294-1"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-137710294-1');
</script>
<script src="/assets/js/instant.page.js" type="module"></script>
<!-- <![endif]-->
</head>
<body>
<!--[if !IE]> --><noscript><marquee style="top: -15px; position: relative;"><small>发现当前浏览器没有启用JavaScript这不影响你的浏览但可能会有一些功能无法使用……</small></marquee></noscript><!-- <![endif]-->
<!--[if IE]><marquee style="top: -15px; position: relative;"><small>发现当前浏览器为Internet Explorer这不影响你的浏览但可能会有一些功能无法使用……</small></marquee><![endif]-->
<div class="wrapper">
<header class="h-card">
<h1><a class="u-url u-uid p-name" rel="me" href="/">Mayx的博客</a></h1>
<img src="https://avatars0.githubusercontent.com/u/17966333" fetchpriority="high" class="u-photo" alt="Logo" style="width: 90%; max-width: 300px; max-height: 300px;" />
<p class="p-note">Mayx's Home Page</p>
<form action="/search.html">
<input type="text" name="keyword" id="search-input-all" placeholder="Search blog posts.." />&#160;<input type="submit" value="搜索" />
</form>
<br />
<p class="view"><a class="u-url" href="/Mabbs/">About me</a></p>
<ul class="downloads">
<li style="width: 270px; border-right: none;"><a href="/MayxBlog.tgz">Download <strong>TGZ File</strong></a></li>
</ul>
</header>
<section class="h-entry">
<small><time class="date dt-published" datetime="2019-09-28T00:00:00+08:00">28 September 2019</time> - 字数统计1364 - 阅读大约需要5分钟 - Hits: <span id="/2019/09/28/python.html" class="visitors">Loading...</span></small>
<h1 class="p-name">Python学习笔记 - Turtle</h1>
<p class="view">by <a class="p-author h-card" href="//github.com/Mabbs">mayx</a></p>
<div id="outdate" style="display:none;">
<hr /><p>
这是一篇创建于 <span id="outime"></span> 天前的文章,其中的信息可能已经有所发展或是发生改变。
</p>
</div>
<script>
daysold = Math.floor((new Date().getTime() - new Date("Sat, 28 Sep 2019 00:00:00 +0800").getTime()) / (24 * 60 * 60 * 1000));
if (daysold > 90) {
document.getElementById("outdate").style.display = "block";
document.getElementById("outime").innerHTML = daysold;
}
</script>
<hr />
<b>AI摘要</b>
<p id="ai-output">这篇文章讲述了作者学习Python过程中接触到Turtle库的经历。Turtle库被老师用于教授类似Logo语言的基础图形操作包括画心形和正方形。作者最初通过循环和基本指令完成作业然后发现Turtle其实有更高级的函数如circle可以画正多边形这让他感到惊讶。他在尝试画心形时运用三角函数实现了一个自己的版本虽然结果不太理想。最后作者意识到在面对新事物时查阅文档的重要性因为他看到别人写出的更简洁、美观的心形代码后感到自闭。</p>
<hr />
<ul><li><a href="#第一课turtle">第一课Turtle</a></li><li><a href="#总结">总结</a></li></ul>
<hr />
<main class="post-content e-content" role="main"><p>没想到我终有一天也得学Python了……<!--more--></p>
<h1 id="第一课turtle">
<a href="#第一课turtle"><svg class='octicon' viewBox='0 0 16 16' version='1.1' width='16' height='32' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg></a> 第一课Turtle
</h1>
<p>我以为我们老师会从Python的基本语法开始教起不过事实证明我想错了我们老师打算把我们当做小学生看然后教 <del>Logo语言</del> 类似Logo语言的Python库Turtle。 </p><p>
Turtle貌似是基于Tkinter的库Ubuntu上带的Python默认没有装Tkinter结果我还得自己装一下…… </p><p>
老师给我们布置了两个作业一个是画一个心形另外是画一个正方形。在开始之前我也想的这个库就是个Logo语言也没想着在网上看看这个东西支持什么方法画正方形也很简单就是向前向左……执行4遍。很快我就用循环写出了这个东西</p>
<div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">import</span> <span class="nn">turtle</span>
<span class="n">i</span><span class="o">=</span><span class="mi">0</span>
<span class="k">while</span> <span class="n">i</span><span class="o">&lt;</span><span class="mi">4</span> <span class="p">:</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">forward</span><span class="p">(</span><span class="mi">50</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">left</span><span class="p">(</span><span class="mi">90</span><span class="p">)</span>
<span class="n">i</span><span class="o">=</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span>
</code></pre></div></div>
<p>看着这段代码,让我回想起了我的小学时光 <del>一段不堪回首的往事23333</del> 既然能画出正方形,那么圆也很简单了,我们可以把圆看成一个无限多边形,那么画圆我们可以这样:</p>
<div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">import</span> <span class="nn">turtle</span>
<span class="n">i</span><span class="o">=</span><span class="mi">0</span>
<span class="k">while</span> <span class="n">i</span><span class="o">&lt;</span><span class="mi">360</span> <span class="p">:</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">forward</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">left</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="n">i</span><span class="o">=</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span>
</code></pre></div></div>
<p>画完圆之后我又打算画心形,不过老师布置的是在终端中显示心形,就像这样:</p>
<div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">print</span><span class="p">(</span><span class="s">""" ** **
* * *
* *
* *
*"""</span><span class="p">)</span>
</code></pre></div></div>
<p>不过这个感觉没什么意思我想我可以试试在Turtle里画一个心形。在画之前当然应该上网查一下Turtle还有什么用法结果一查以后我就自闭了……画正多边形根本不用一步一步走有一个叫做circle的方法可以直接实现比如画正方形可以这样</p>
<div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">import</span> <span class="nn">turtle</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">right</span><span class="p">(</span><span class="mi">45</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">circle</span><span class="p">(</span><span class="mi">100</span><span class="p">,</span><span class="mi">360</span><span class="p">,</span><span class="mi">4</span><span class="p">)</span>
</code></pre></div></div>
<p>……这可真是令人难受……不管了,我先画个心形吧,我捡起了我曾经的三角函数的知识,算了一下我要转的角度和长度,最终写出了这样的东西:</p>
<div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">import</span> <span class="nn">turtle</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">color</span><span class="p">(</span><span class="s">'red'</span><span class="p">,</span><span class="s">'red'</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">filling</span><span class="p">()</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">begin_fill</span><span class="p">()</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">left</span><span class="p">(</span><span class="mi">90</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">circle</span><span class="p">(</span><span class="mi">50</span><span class="p">,</span><span class="mi">180</span><span class="p">,</span><span class="mi">180</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">left</span><span class="p">(</span><span class="mi">30</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">forward</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">left</span><span class="p">(</span><span class="mi">120</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">forward</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">left</span><span class="p">(</span><span class="mi">30</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">circle</span><span class="p">(</span><span class="mi">50</span><span class="p">,</span><span class="mi">180</span><span class="p">,</span><span class="mi">180</span><span class="p">)</span>
<span class="n">turtle</span><span class="p">.</span><span class="n">end_fill</span><span class="p">()</span>
<span class="nb">input</span><span class="p">()</span>
</code></pre></div></div>
<p>当然,我不知道心形的定义是什么,所以也不知道心形是怎么组成的,我想象的大概就是两个半圆和一对等腰拼出来的吧,不过最终画出来的心形是真的丑…… </p><p>
最后我在网上又查了一下其他人写的,然后继续自闭…… </p><p>
其他人的心形:</p>
<div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">from</span> <span class="nn">turtle</span> <span class="kn">import</span> <span class="o">*</span>
<span class="k">def</span> <span class="nf">curvemove</span><span class="p">():</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">200</span><span class="p">):</span>
<span class="n">right</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="n">forward</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="n">color</span><span class="p">(</span><span class="s">'red'</span><span class="p">,</span><span class="s">'pink'</span><span class="p">)</span>
<span class="n">begin_fill</span><span class="p">()</span>
<span class="n">left</span><span class="p">(</span><span class="mi">140</span><span class="p">)</span>
<span class="n">forward</span><span class="p">(</span><span class="mf">111.65</span><span class="p">)</span>
<span class="n">curvemove</span><span class="p">()</span>
<span class="n">left</span><span class="p">(</span><span class="mi">120</span><span class="p">)</span>
<span class="n">curvemove</span><span class="p">()</span>
<span class="n">forward</span><span class="p">(</span><span class="mf">111.65</span><span class="p">)</span>
<span class="n">end_fill</span><span class="p">()</span>
<span class="n">done</span><span class="p">()</span>
</code></pre></div></div>
<h1 id="总结">
<a href="#总结"><svg class='octicon' viewBox='0 0 16 16' version='1.1' width='16' height='32' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg></a> 总结
</h1>
<p>虽然我不喜欢看文档,但是遇到新的东西还是查一下比较稳妥啊!</p></main>
<small style="display: block">tags: <a rel="category tag" class="p-category" href="/search.html?keyword=Python"><em>Python</em></a> - <a rel="category tag" class="p-category" href="/search.html?keyword=%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0"><em>学习笔记</em></a> - <a rel="category tag" class="p-category" href="/search.html?keyword=Turtle"><em>Turtle</em></a> - <a rel="category tag" class="p-category" href="/search.html?keyword=Logo"><em>Logo</em></a> - <a rel="category tag" class="p-category" href="/search.html?keyword=Tkinter"><em>Tkinter</em></a> <span style="float: right;"><a href="https://gitlab.com/mayx/mayx.gitlab.io/tree/master/_posts/2019-09-28-python.md">查看原始文件</a></span></small>
<h4 style="border-bottom: 1px solid #e5e5e5;margin: 2em 0 5px;">推荐文章</h4>
<p id="suggest-container">Loading...</p>
<script>
var suggest = $("#suggest-container");
$.get(BlogAPI + "/suggest?id=/2019/09/28/python.html&update=" + lastUpdated.valueOf(), function (data) {
if (data.length) {
getSearchJSON(function (search) {
suggest.empty();
var searchMap = {};
for (var i = 0; i < search.length; i++) {
searchMap[search[i].url] = search[i];
}
var tooltip = $('<div class="content-tooltip"></div>').appendTo('body').hide();
for (var j = 0; j < data.length; j++) {
var item = searchMap[data[j].id];
if (item) {
var link = $('<a href="' + item.url + '">' + item.title + '</a>');
var contentPreview = item.content.substring(0, 100);
if (item.content.length > 100) {
contentPreview += "……";
}
link.hover(
function(e) {
tooltip.text($(this).data('content'))
.css({
top: e.pageY + 10,
left: e.pageX + 10
})
.show();
},
function() {
tooltip.hide();
}
).mousemove(function(e) {
tooltip.css({
top: e.pageY + 10,
left: e.pageX + 10
});
}).data('content', contentPreview);
suggest.append(link);
suggest.append(' - ' + item.date + '<br />');
}
}
});
} else {
suggest.html("暂无推荐文章……");
}
});
</script>
<br />
<div class="pagination">
<span class="prev">
<a href="/2019/09/20/start.html">
上一篇:开学总结
</a>
</span>
<br />
<span class="next">
<a href="/2019/10/21/python.html">
下一篇Python学习笔记 - 求质数
</a>
</span>
</div>
<!--[if !IE]> -->
<link rel="stylesheet" href="/assets/css/gitalk.css">
<script src="/assets/js/gitalk.min.js"></script>
<div id="gitalk-container"></div>
<script>
var gitalk = new Gitalk({
clientID: '36557aec4c3cb04f7ac6',
clientSecret: 'ac32993299751cb5a9ba81cf2b171cca65879cdb',
repo: 'mabbs.github.io',
owner: 'Mabbs',
admin: ['Mabbs'],
id: '/2019/09/28/python', // Ensure uniqueness and length less than 50
distractionFreeMode: false, // Facebook-like distraction free mode
proxy: "https://cors-anywhere.mayx.eu.org/?https://github.com/login/oauth/access_token"
})
gitalk.render('gitalk-container')
</script>
<!-- <![endif]-->
</section>
<!--[if !IE]> -->
<div id="landlord" style="left:5px;bottom:0px;">
<div class="message" style="opacity:0"></div>
<canvas id="live2d" width="500" height="560" class="live2d"></canvas>
<div class="live_talk_input_body">
<form id="live_talk_input_form">
<div class="live_talk_input_name_body" >
<input type="checkbox" id="load_this" />
<input type="hidden" id="post_id" value="/2019/09/28/python.html" />
<label for="load_this">
<span style="font-size: 11px; color: #fff;">&#160;想问这篇文章</span>
</label>
</div>
<div class="live_talk_input_text_body">
<input name="talk" type="text" class="live_talk_talk white_input" id="AIuserText" autocomplete="off" placeholder="要和我聊什么呀?" />
<button type="submit" class="live_talk_send_btn" id="talk_send">发送</button>
</div>
</form>
</div>
<input name="live_talk" id="live_talk" value="1" type="hidden" />
<div class="live_ico_box" style="display:none;">
<div class="live_ico_item type_info" id="showInfoBtn"></div>
<div class="live_ico_item type_talk" id="showTalkBtn"></div>
<div class="live_ico_item type_music" id="musicButton"></div>
<div class="live_ico_item type_youdu" id="youduButton"></div>
<div class="live_ico_item type_quit" id="hideButton"></div>
<input name="live_statu_val" id="live_statu_val" value="0" type="hidden" />
<audio src="" style="display:none;" id="live2d_bgm" data-bgm="0" preload="none"></audio>
<input id="duType" value="douqilai" type="hidden" />
</div>
</div>
<div id="open_live2d">召唤伊斯特瓦尔</div>
<!-- <![endif]-->
<footer>
<p>
<small>Made with ❤ by Mayx<br />Last updated at 2026-01-17 17:35:53<br /> 总字数614622 - 文章数178 - <a href="/atom.xml" >Atom</a> - <a href="/README.html" >About</a></small>
</p>
</footer>
</div>
<script src="/assets/js/scale.fix.js"></script>
<!--[if !IE]> -->
<script src="/assets/js/main_new.js"></script>
<script src="/Live2dHistoire/live2d/js/live2d.js"></script>
<script src="/Live2dHistoire/live2d/js/message.js"></script>
<!-- <![endif]-->
</body>
</html>