https://www.ygang.top/posts/1b37041b/a64b122d/ Recent content in python高级 on 杨刚的个人网站 Hugo -- gohugo.io zh Copyright © 2018-2025 GradyYoung. All rights reserved. Tue, 22 Apr 2025 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/91f8d7b5/ Wed, 09 Apr 2025 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/91f8d7b5/ <h2 class="relative group">使用模块 <div id="使用模块" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e4%bd%bf%e7%94%a8%e6%a8%a1%e5%9d%97" aria-label="锚点">#</a> </span> </h2> <p>编写<code>main.py</code></p> https://www.ygang.top/posts/1b37041b/a64b122d/30ac5c13/ Thu, 10 Apr 2025 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/30ac5c13/ <h2 class="relative group">类 <div id="类" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e7%b1%bb" aria-label="锚点">#</a> </span> </h2> <h3 class="relative group">声明 <div id="声明" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e5%a3%b0%e6%98%8e" aria-label="锚点">#</a> </span> </h3> <p>python2需要在类名后括号内写明父类，python3如果不写后面的括号则默认继承object</p> https://www.ygang.top/posts/1b37041b/a64b122d/a55a9191/ Thu, 10 Apr 2025 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/a55a9191/ <h2 class="relative group">动态绑定属性、方法 <div id="动态绑定属性方法" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e5%8a%a8%e6%80%81%e7%bb%91%e5%ae%9a%e5%b1%9e%e6%80%a7%e6%96%b9%e6%b3%95" aria-label="锚点">#</a> </span> </h2> <p>正常情况下，当我们定义了一个class，创建了一个class的实例后，我们可以给该实例绑定任何属性和方法，这就是动态语言的灵活性。</p> https://www.ygang.top/posts/1b37041b/a64b122d/04d49706/ Tue, 22 Apr 2025 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/04d49706/ <h2 class="relative group">try-except-finally <div id="try-except-finally" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#try-except-finally" aria-label="锚点">#</a> </span> </h2> <p>可以通过<code>try-except-finally</code>对错误进行捕获和处理</p> https://www.ygang.top/posts/1b37041b/a64b122d/bfb2f662/ Tue, 22 Apr 2025 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/bfb2f662/ <h2 class="relative group">File <div id="file" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#file" aria-label="锚点">#</a> </span> </h2> <p>Python内置的<code>open()</code>函数，传入文件名和标示符，<code>open()</code>将会返回一个File对象，完整的语法格式如下：</p> https://www.ygang.top/posts/1b37041b/a64b122d/fc2f0203/ Sat, 11 Nov 2023 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/fc2f0203/ <h2 class="relative group">创建线程 <div id="创建线程" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e5%88%9b%e5%bb%ba%e7%ba%bf%e7%a8%8b" aria-label="锚点">#</a> </span> </h2> <p>由于线程是操作系统直接支持的执行单元，因此，高级语言通常都内置多线程的支持，Python也不例外，并且，Python的线程是真正的Posix Thread，而不是模拟出来的线程。</p> https://www.ygang.top/posts/1b37041b/a64b122d/9ee4721e/ Sat, 11 Nov 2023 00:00:00 +0000 https://www.ygang.top/posts/1b37041b/a64b122d/9ee4721e/ <h2 class="relative group">基本概念 <div id="基本概念" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5" aria-label="锚点">#</a> </span> </h2> <p>计算机为了联网，就必须规定通信协议，早期的计算机网络，都是由各厂商自己规定一套协议，IBM、Apple和Microsoft都有各自的网络协议，互不兼容，这就好比一群人有的说英语，有的说中文，有的说德语，说同一种语言的人可以交流，不同的语言之间就不行了。</p>