<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[lan_da_wang的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/lan_da_wang</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; lan_da_wang]]></copyright><item><title><![CDATA[python基础知识三]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/153652208</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/153652208</guid><author>lan_da_wang</author><pubDate>Mon, 10 Nov 2025 19:13:06 +0800</pubDate><description><![CDATA[主要看的是谁现在前面，就用谁的方法。]]></description><category></category></item><item><title><![CDATA[python基础知识2]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/153342738</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/153342738</guid><author>lan_da_wang</author><pubDate>Mon, 20 Oct 2025 21:52:15 +0800</pubDate><description><![CDATA[（如参数合法性检查）]]></description><category></category></item><item><title><![CDATA[python基础知识]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/152942161</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/152942161</guid><author>lan_da_wang</author><pubDate>Tue, 14 Oct 2025 23:37:03 +0800</pubDate><description><![CDATA[本文摘要： 本文系统介绍了Python基础语法和数据结构，主要内容包括： 变量命名规则和字符串操作 变量名组成规则（字母、数字、下划线） 字符串转义字符（\n、\t等）和原始字符串(r前缀) 字符串拼接和重复（+、*） 运算符和随机数 比较运算符、逻辑运算符及其优先级 random模块生成随机数和控制随机状态 数据类型 可变和不可变类型的区别 列表、元组、字典、集合的特性对比 各类型的创建、访问、修改方法 控制结构 if-elif-else条件判断和三元表达式 while和for循环及控制语句（break、]]></description><category></category></item><item><title><![CDATA[1、pycharm相关知识]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/152839204</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/152839204</guid><author>lan_da_wang</author><pubDate>Thu, 09 Oct 2025 22:36:08 +0800</pubDate><description><![CDATA[Python虚拟环境(venv)目录结构解析：venv文件夹是项目独立的Python运行环境根目录，包含lib(存放标准库和第三方库)、site-packages(安装第三方库)、scripts(包含激活脚本)等子目录。配套的.gitignore文件用于忽略环境文件，pyvenv.cfg则记录基础Python解释器路径等配置信息。这种结构实现了项目间的环境隔离，避免依赖冲突，同时便于版本控制。]]></description><category></category></item><item><title><![CDATA[LINUX]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/139608339</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/139608339</guid><author>lan_da_wang</author><pubDate>Tue, 11 Jun 2024 20:43:27 +0800</pubDate><description><![CDATA[管理计算机和软件资源的计算机程序。os是计算的核心和基石。]]></description><category></category></item><item><title><![CDATA[快速版-JS基础01书写位置]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/139107401</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/139107401</guid><author>lan_da_wang</author><pubDate>Mon, 27 May 2024 19:23:01 +0800</pubDate><description><![CDATA[var：声明变量。打印结果：console.log(变量名)第一个是你写在里面的。第二个是实际运行的先后之分，变量名字在最前面。变量提升。最后打印出来的结果//和/* */alert：输出弹出框。     alert("我是懒羊羊")      document.write("我是输出到页面")  console.log:输出在控制台。null、字符串、undefined、数值、boolean、对象所有被双引号或者单引号包裹的都是字符串。注]]></description><category></category></item><item><title><![CDATA[JS简介111]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/139103323</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/139103323</guid><author>lan_da_wang</author><pubDate>Wed, 22 May 2024 09:01:52 +0800</pubDate><description><![CDATA[1.JS是什么、作用？





总结


]]></description><category></category></item><item><title><![CDATA[做好一个网站顺序]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138810648</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138810648</guid><author>lan_da_wang</author><pubDate>Tue, 21 May 2024 10:20:46 +0800</pubDate><description><![CDATA[转block目的：让宽高生效。]]></description><category></category></item><item><title><![CDATA[标准流、浮动、flex布局]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138498474</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138498474</guid><author>lan_da_wang</author><pubDate>Mon, 13 May 2024 15:35:29 +0800</pubDate><description><![CDATA[* 默认值 */*/*/*//* 把父级剩余尺寸分配成间距，间距相等 */*//* 间距出现在弹性盒子两侧， *//* 视觉效果：弹性盒子之间的间距是两端间距的2倍 */*//* 个个间距都相等 */]]></description><category></category></item><item><title><![CDATA[选择器、pxcook软件、盒子模型]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138312095</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138312095</guid><author>lan_da_wang</author><pubDate>Mon, 06 May 2024 16:08:32 +0800</pubDate><description><![CDATA[定义：根据结构的元素关系来查找元素。]]></description><category></category></item><item><title><![CDATA[CSS特性]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138292046</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138292046</guid><author>lan_da_wang</author><pubDate>Mon, 29 Apr 2024 14:21:45 +0800</pubDate><description><![CDATA[化简代码，定位问题，解决问题。]]></description><category></category></item><item><title><![CDATA[CSS-复合选择器]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138254764</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138254764</guid><author>lan_da_wang</author><pubDate>Sun, 28 Apr 2024 21:31:46 +0800</pubDate><description><![CDATA[用逗号隔开，在style里面写的时候，每一个标签空一行。]]></description><category></category></item><item><title><![CDATA[数据库——多表查询]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/137204021</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/137204021</guid><author>lan_da_wang</author><pubDate>Sat, 27 Apr 2024 18:08:17 +0800</pubDate><description><![CDATA[2.内连接



3.内连接和外连接



4.92语法





5.99语法

6.SQL常用语法标准


]]></description><category></category></item><item><title><![CDATA[调试工具——谷歌]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138253628</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138253628</guid><author>lan_da_wang</author><pubDate>Sat, 27 Apr 2024 17:46:49 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[CSS体验]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138204301</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138204301</guid><author>lan_da_wang</author><pubDate>Sat, 27 Apr 2024 17:08:12 +0800</pubDate><description><![CDATA[</em>:表示字体倾斜。区别：<em>]]></description><category></category></item><item><title><![CDATA[HTML列表、表格、表单]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138189049</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138189049</guid><author>lan_da_wang</author><pubDate>Fri, 26 Apr 2024 00:42:34 +0800</pubDate><description><![CDATA[列表标题列表内容]]></description><category></category></item><item><title><![CDATA[HTML--标签]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/138168864</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/138168864</guid><author>lan_da_wang</author><pubDate>Thu, 25 Apr 2024 11:14:13 +0800</pubDate><description><![CDATA[strong>文字内容</strong>]]></description><category></category></item><item><title><![CDATA[遍历字符串]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/137344399</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/137344399</guid><author>lan_da_wang</author><pubDate>Wed, 03 Apr 2024 14:49:42 +0800</pubDate><description><![CDATA[【代码】遍历字符串。]]></description><category></category></item><item><title><![CDATA[java —— ==与equals]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/137336896</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/137336896</guid><author>lan_da_wang</author><pubDate>Wed, 03 Apr 2024 14:22:42 +0800</pubDate><description><![CDATA[1.简单比较



2.基本数据类型和引用数据类型











3.拓展


]]></description><category></category></item><item><title><![CDATA[字符串-String 概述]]></title><link>https://blog.youkuaiyun.com/lan_da_wang/article/details/137056825</link><guid>https://blog.youkuaiyun.com/lan_da_wang/article/details/137056825</guid><author>lan_da_wang</author><pubDate>Wed, 03 Apr 2024 11:07:20 +0800</pubDate><description><![CDATA[只要是new出来的，都是开辟出一个新空间。==可以直接在字符串池里面找到。]]></description><category></category></item></channel></rss>