# loading动画
- css loading动画,有遮罩层
```
<pre class="calibre14">```
<span class="token2">.</span>loading2<span class="token2">{</span>color<span class="token2">:</span>#fff<span class="token2">;</span>position<span class="token2">:</span>fixed<span class="token2">;</span>box<span class="token">-</span>sizing<span class="token2">:</span>border<span class="token">-</span>box<span class="token2">;</span>left<span class="token2">:</span><span class="token">-</span><span class="token3">9999</span>px<span class="token2">;</span>top<span class="token2">:</span><span class="token">-</span><span class="token3">9999</span>px<span class="token2">;</span>width<span class="token2">:</span><span class="token3">0</span><span class="token2">;</span>height<span class="token2">:</span><span class="token3">0</span><span class="token2">;</span>overflow<span class="token2">:</span>hidden<span class="token2">;</span>z<span class="token">-</span>index<span class="token2">:</span><span class="token3">999999</span><span class="token2">}</span><span class="token2">.</span>loading2<span class="token2">:</span>after<span class="token2">,</span><span class="token2">.</span>loading2<span class="token2">:</span>before<span class="token2">{</span>box<span class="token">-</span>sizing<span class="token2">:</span>border<span class="token">-</span>box<span class="token2">}</span><span class="token2">.</span>loading2<span class="token2">{</span>background<span class="token">-</span>color<span class="token2">:</span><span class="token1">rgba</span><span class="token2">(</span><span class="token3">0</span><span class="token2">,</span><span class="token3">0</span><span class="token2">,</span><span class="token3">0</span><span class="token2">,</span><span class="token3">0.7</span><span class="token2">)</span><span class="token2">;</span>width<span class="token2">:</span><span class="token3">100</span><span class="token">%</span><span class="token2">;</span>height<span class="token2">:</span><span class="token3">100</span><span class="token">%</span><span class="token2">;</span>left<span class="token2">:</span><span class="token3">0</span><span class="token2">;</span>top<span class="token2">:</span><span class="token3">0</span><span class="token2">}</span>@keyframes rotation<span class="token2">{</span>from<span class="token2">{</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">0</span><span class="token2">)</span><span class="token2">}</span>to<span class="token2">{</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">359</span>deg<span class="token2">)</span><span class="token2">}</span><span class="token2">}</span>@keyframes blink<span class="token2">{</span>from<span class="token2">{</span>opacity<span class="token2">:</span><span class="token3">.5</span><span class="token2">}</span>to<span class="token2">{</span>opacity<span class="token2">:</span><span class="token3">1</span><span class="token2">}</span><span class="token2">}</span><span class="token2">.</span>loading2<span class="token2">[</span>data<span class="token">-</span>text<span class="token2">]</span><span class="token2">:</span>before<span class="token2">{</span>position<span class="token2">:</span>fixed<span class="token2">;</span>left<span class="token2">:</span><span class="token3">0</span><span class="token2">;</span>top<span class="token2">:</span><span class="token3">50</span><span class="token">%</span><span class="token2">;</span>color<span class="token2">:</span>currentColor<span class="token2">;</span>font<span class="token">-</span>family<span class="token2">:</span>Helvetica<span class="token2">,</span>Arial<span class="token2">,</span>sans<span class="token">-</span>serif<span class="token2">;</span>text<span class="token">-</span>align<span class="token2">:</span>center<span class="token2">;</span>width<span class="token2">:</span><span class="token3">100</span><span class="token">%</span><span class="token2">;</span>font<span class="token">-</span>size<span class="token2">:</span><span class="token3">16</span>px<span class="token2">}</span><span class="token2">.</span>loading2<span class="token2">[</span>data<span class="token">-</span>text<span class="token">=</span><span class="token4">''</span><span class="token2">]</span><span class="token2">:</span>before<span class="token2">{</span>content<span class="token2">:</span><span class="token4">'Loading...'</span><span class="token2">}</span><span class="token2">.</span>loading2<span class="token2">:</span><span class="token1">not</span><span class="token2">(</span><span class="token2">[</span>data<span class="token">-</span>text<span class="token">=</span><span class="token4">''</span><span class="token2">]</span><span class="token2">)</span><span class="token2">:</span>before<span class="token2">{</span>content<span class="token2">:</span><span class="token1">attr</span><span class="token2">(</span>data<span class="token">-</span>text<span class="token2">)</span><span class="token2">}</span><span class="token2">.</span>loading2<span class="token2">[</span>data<span class="token">-</span>text<span class="token2">]</span><span class="token2">:</span>before<span class="token2">{</span>top<span class="token2">:</span><span class="token1">calc</span><span class="token2">(</span><span class="token3">50</span><span class="token">%</span> <span class="token">-</span> <span class="token3">63</span>px<span class="token2">)</span><span class="token2">}</span><span class="token2">.</span>loading2<span class="token2">:</span>after<span class="token2">{</span>content<span class="token2">:</span><span class="token4">''</span><span class="token2">;</span>position<span class="token2">:</span>fixed<span class="token2">;</span>width<span class="token2">:</span><span class="token3">48</span>px<span class="token2">;</span>height<span class="token2">:</span><span class="token3">48</span>px<span class="token2">;</span>border<span class="token2">:</span>solid <span class="token3">4</span>px #fff<span class="token2">;</span>border<span class="token">-</span>left<span class="token">-</span>color<span class="token2">:</span>transparent<span class="token2">;</span>border<span class="token">-</span>radius<span class="token2">:</span><span class="token3">50</span><span class="token">%</span><span class="token2">;</span>top<span class="token2">:</span><span class="token1">calc</span><span class="token2">(</span><span class="token3">50</span><span class="token">%</span> <span class="token">-</span> <span class="token3">24</span>px<span class="token2">)</span><span class="token2">;</span>left<span class="token2">:</span><span class="token1">calc</span><span class="token2">(</span><span class="token3">50</span><span class="token">%</span> <span class="token">-</span> <span class="token3">24</span>px<span class="token2">)</span><span class="token2">;</span>animation<span class="token2">:</span>rotation <span class="token3">1</span>s linear infinite<span class="token2">}</span>
<span class="token"><</span>div class<span class="token">=</span><span class="token4">"loading2"</span> data<span class="token">-</span>text<span class="token">=</span><span class="token4">"加载中..."</span><span class="token">></span><span class="token"><</span><span class="token">/</span>div<span class="token">></span>
$<span class="token2">(</span><span class="token4">'.loading'</span><span class="token2">)</span><span class="token2">.</span><span class="token1">show</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span>
$<span class="token2">(</span><span class="token4">'.loading'</span><span class="token2">)</span><span class="token2">.</span><span class="token1">hide</span><span class="token2">(</span><span class="token2">)</span><span class="token2">;</span>
```
```
- 无遮罩层
```
<pre class="calibre14">```
<span class="token2">.</span>loading1<span class="token2">{</span>display<span class="token2">:</span>block<span class="token2">;</span>position<span class="token2">:</span>absolute<span class="token2">;</span>top<span class="token2">:</span><span class="token3">50</span><span class="token">%</span><span class="token2">;</span>left<span class="token2">:</span><span class="token3">50</span><span class="token">%</span><span class="token2">;</span>height<span class="token2">:</span><span class="token3">48</span>px<span class="token2">;</span>width<span class="token2">:</span><span class="token3">48</span>px<span class="token2">;</span>margin<span class="token2">:</span><span class="token">-</span><span class="token3">24</span>px <span class="token3">0</span> <span class="token3">0</span> <span class="token">-</span><span class="token3">24</span>px<span class="token2">;</span>border<span class="token2">:</span><span class="token3">4</span>px <span class="token1">rgba</span><span class="token2">(</span><span class="token3">0</span><span class="token2">,</span><span class="token3">0</span><span class="token2">,</span><span class="token3">0</span><span class="token2">,</span><span class="token3">0.25</span><span class="token2">)</span> solid<span class="token2">;</span>border<span class="token">-</span>top<span class="token2">:</span><span class="token3">4</span>px black solid<span class="token2">;</span>border<span class="token">-</span>radius<span class="token2">:</span><span class="token3">50</span><span class="token">%</span><span class="token2">;</span><span class="token">-</span>webkit<span class="token">-</span>animation<span class="token2">:</span>spin2 <span class="token3">.6</span>s infinite linear<span class="token2">;</span>animation<span class="token2">:</span>spin2 <span class="token3">1</span>s infinite linear<span class="token2">}</span>@<span class="token">-</span>webkit<span class="token">-</span>keyframes spin2<span class="token2">{</span>from<span class="token2">{</span><span class="token">-</span>webkit<span class="token">-</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">0</span>deg<span class="token2">)</span><span class="token2">}</span>to<span class="token2">{</span><span class="token">-</span>webkit<span class="token">-</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">359</span>deg<span class="token2">)</span><span class="token2">}</span><span class="token2">}</span>@keyframes spin2<span class="token2">{</span>from<span class="token2">{</span><span class="token">-</span>webkit<span class="token">-</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">0</span>deg<span class="token2">)</span><span class="token2">;</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">0</span>deg<span class="token2">)</span><span class="token2">}</span>to<span class="token2">{</span><span class="token">-</span>webkit<span class="token">-</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">359</span>deg<span class="token2">)</span><span class="token2">;</span>transform<span class="token2">:</span><span class="token1">rotate</span><span class="token2">(</span><span class="token3">359</span>deg<span class="token2">)</span><span class="token2">}</span><span class="token2">}</span>
```
```
- gif动画
```
<pre class="calibre16">```
<span class="token2">.</span>loading3<span class="token2">{</span>
width<span class="token2">:</span><span class="token3">32</span>px<span class="token2">;</span>height<span class="token2">:</span><span class="token3">32</span>px<span class="token2">;</span>
background<span class="token">-</span>image<span class="token2">:</span> <span class="token1">url</span><span class="token2">(</span><span class="token4">"data:image/gif;base64,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"</span><span class="token2">)</span><span class="token2">;</span>
<span class="token2">}</span>
```
```
- 简介
- 第一章 数据库
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- 第五课附录处理报表|支付
- 常用JSON状态码
- 第三章 JavaScript
- js基础
- 浏览器对象
- 语言基础
- html5接口
- ES6新语法
- vue
- 基础语法
- 京东vueUI组件
- uniapp
- 组件开发规范
- nodejs
- 基础知识
- 安装node
- nvm不同版本node切换
- js常用标准库
- zepto/jquery
- weui
- js图标库
- elementUI
- validator表单验证
- layer弹出层
- requirejs
- wow动画
- 动画animate
- swiper4
- 百度编辑器
- flyio/axios/qs
- jquery.form
- bootstrap3
- clipboard复制
- slideout侧滑
- imagehover.css图片悬停动画
- webpack打包
- Bulma UI框架
- store 客户端存储
- lottie动画创建库
- sweetalert
- js自定义函数
- 常见JSSDK
- 微信公众号JSSDK
- 腾讯地图jssdk
- 微信小程序
- 第四章 编程语言
- markdown语言
- Dart语言
- Dart语言基础
- Flutter框架
- Lua语言
- 字符串,数组,表
- 自定义方法
- go语言
- 第1.1语言基本语法
- 第1.2流程控制
- 第1.3函数
- 第1.4结构体
- 第1.5接口
- 第1.6包
- go语言框架Gin
- CSS3语言
- CSS与CSS3
- 选择符
- 属性
- css3
- loading动画
- HTML5语言
- less
- sass
- C#
- 基础知识
- 函数
- 第五章 开发工具
- git
- nginx/apache服务器
- Linux常用操作
- crontab定时任务
- 注册表与cmd
- 阿里云ECS
- frp穿透和ssl续期
- 宝塔安装
- 树莓派
- 浏览器模拟
- 火狐/chrome常用插件
- WSL安装使用
- mac brew和终端命令
- win10相关