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275 lines
9.4 KiB
275 lines
9.4 KiB
3 years ago
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---
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title: markdown
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abbrlink: 96be88e3
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date: 2022-04-23 20:34:26
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mathjax: true
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3 years ago
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cover: true
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toc: true
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summary: >-
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Markdown笔记教程
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tags:
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- markdown
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- 效率
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categories:
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- 效率
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reprintPolicy: cc_by
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author: TianZD
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coverImg:
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img:
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password:
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3 years ago
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---
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[toc]
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# Markdown
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## Markdown索引
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### 索引文件夹
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[效率](【2】学习/效率)
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### 索引文件
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[markdown](【2】学习\效率\markdown.md)
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### 图片超链接
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````html
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<p align="left">
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<a href="https://mp.weixin.qq.com/s/ePhaYezFblgt0NgbvtWqww" target="_blank">
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<img src="https://cdn.jsdelivr.net/gh/justacoder99/r2coding@master/img/localsoftware.2x9vakmja2g.png" width=""/>
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</a>
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</p>
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```
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````
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<p align="left">
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<a href="https://mp.weixin.qq.com/s/ePhaYezFblgt0NgbvtWqww" target="_blank">
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<img src="https://cdn.jsdelivr.net/gh/justacoder99/r2coding@master/img/localsoftware.2x9vakmja2g.png" width=""/>
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</a>
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</p>
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## Markdown插入图片
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### 直接插入
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```markdown
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![图片描述关键词](图片链接地址)
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```
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**[PicGo + Gitee(码云)实现免费markdown图床](https://link.zhihu.com/?target=https%3A//www.jianshu.com/p/b69950a49ae2)**
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![](https://gitee.com/tianzhendong/img/raw/master//images/202202111357847.png)
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### HTML插入-排版
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```html
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<center>
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<img src ="https://gitee.com/tianzhendong/img/raw/master//images/202202111342399.png"
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width = "25%">
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<br>
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这是图注
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</center>
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```
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<center>
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<img src ="https://gitee.com/tianzhendong/img/raw/master//images/202202111342399.png"
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width = "25%">
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<img src ="https://gitee.com/tianzhendong/img/raw/master//images/202202111342399.png"
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width = "25%">
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<br>
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这是图注
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</center>
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## Markdown插入音频
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### 使用audio 标签
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```markdown
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<audio id="audio" controls="" preload="none">
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<source id="mp3" src="音频地址">
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</audio>
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```
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<audio id="audio" controls="" preload="none">
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<source id="mp3" src="https://i.y.qq.com/v8/playsong.html?songid=332928560&songtype=0#webchat_redirect">
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</audio>
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### 使用iframe标签
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我们以网易云音乐为例 1.首先在网易云音乐播放界面,点击生成外链播放器
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![image-20220211111954460](https://gitee.com/tianzhendong/img/raw/master//images/202202111119569.png)
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![image-20220211112012621](https://gitee.com/tianzhendong/img/raw/master/images/202204171928201.png)
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<iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width=330 height=86 src="//music.163.com/outchain/player?type=2&id=1858139145&auto=0&height=66">
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</iframe>
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## Markdown插入视频
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### html中的iframe标签
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```html
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<iframe
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src="视频或者网页路径"
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scrolling="no"
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border="0"
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frameborder="no"
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framespacing="0"
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allowfullscreen="true"
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height=600
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width=800>
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</iframe>
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<!-- 相当于是子网页 -->
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<!-- B站分享链接提供 -->
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```
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<iframe src="//player.bilibili.com/player.html?aid=87731293&bvid=BV1E7411b7w4&cid=149892227&page=1&as_wide=1&high_quality=1&danmaku=1" allowfullscreen="true" width="100%" height="450" scrolling="no" frameborder="0" sandbox="allow-top-navigation allow-same-origin allow-forms allow-scripts"></iframe>
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### html中的video标签
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```html
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<!-- mp4格式 -->
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<video id="video" controls="" preload="none" poster="封面">
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<source id="mp4" src="mp4格式视频" type="video/mp4">
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</videos>
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<!-- webm格式 -->
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<video id="video" controls="" preload="none" poster="封面">
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<source id="webm" src="webm格式视频" type="video/webm">
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</videos>
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<!-- ovg格式 -->
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<video id="video" controls="" preload="none" poster="封面">
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<source id="ogv" src="ogv格式视频" type="video/ogv">
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</videos>
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```
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## 如何优雅地在Markdown中输入数学公式
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[来自CSDN文章](https://blog.csdn.net/m0_37167788/article/details/78809779?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.pc_relevant_default&utm_relevant_index=2)
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### 基础部分
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#### 公式标记
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在Markdown中,有两种输入公式的方法:一是行内公式(inline),用一对美元符号`$`包裹。二是整行公式(displayed),用一对紧挨的两个美元符号`$$`包裹。
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这是一个行内公式$E=mc^2$,写法是:`$E=mc^2$`。
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这是一个整行公式:
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写法是:
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```tex
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\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}
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```
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$$
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\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}
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$$
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```txt
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$$
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\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}
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$$
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```
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#### 希腊字母
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| 名称 | 大写 | Tex | 小写 | Tex |
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| ------- | ---------- | -------- | ---------- | -------- |
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| alpha | $A$ | A | $\alpha$ | \alpha |
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| beta | $B$ | B | $beat$ | \beat |
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| gamma | $\Gamma$ | \Gamma | $\gamma$ | \gamma |
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| delta | $\Delta$ | \Delta | $\delta$ | \delta |
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| epsilon | $E$ | E | $\epsilon$ | \epsilon |
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| zeta | $Z$ | Z | $\zeta$ | \zeta |
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| eta | $H$ | H | $\eta$ | \eta |
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| theta | $\Theta$ | \Theta | $\theta$ | \theta |
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| iota | $I$ | I | $\iota$ | \iota |
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| kappa | $K$ | K | $\kappa$ | \kappa |
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| lambda | $\Lambda$ | \Lambda | $\lambda$ | \lambda |
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| mu | $M$ | M | $\mu$ | \mu |
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| nu | $N$ | N | $\nu$ | \nu |
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| xi | $\Xi$ | \Xi | $\xi$ | \xi |
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| omicron | $O$ | O | $\omicron$ | \omicron |
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| pi | $\Pi$ | \Pi | $\pi$ | \pi |
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| rho | $P$ | P | $\rho$ | \rho |
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| sigma | $\Sigma$ | \Sigma | $\sigma$ | \sigma |
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| tau | $T$ | T | $\tau$ | \tau |
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| upsilon | $\Upsilon$ | \Upsilon | $\upsilon$ | \upsilon |
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| phi | $\Phi$ | \Phi | $\phi$ | \phi |
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| chi | $X$ | X | $\chi$ | \chi |
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| psi | $\Psi$ | \Psi | $\psi$ | \psi |
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| omega | $\Omega$ | \Omega | $\omega$ | \omega |
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#### 上标与下标
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上标和下标分别使用`^`和`_`来表示。例如`x_i^2`:$x_i^2$,`\log_2 x`:$\log_2 x$。
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默认情况下,**上下标符号仅仅对下一个组起作用**。一个组即单个字符或者使用`{}`包裹起来的内容。也就是说,如果使用`10^10`会得到$10^10$,而`10^{10}`才是$10^{10}$。同时,大括号还能消除二义性,如`x^5^6`会显示错误,必须使用大括号来界定`^`的结合性,如`{x^5}^6`${x^5}^6$或者`x^{5^6}`:$x^{5^6}$。注意区分`x_i^2`:$x_i^2$和`x_{i_2}`:$x_{i_2}$。
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另外,如果要在左右两边都有上下标,可以用`\sideset`来表示,如`\sideset{^1_2}{^3_4}\bigotimes`:$\sideset{^1_2}{^3_4}\bigotimes$。
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#### 括号
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- **小括号与方括号:**使用原始的`()`和`[]`即可。如`(2+3)[4+4]`:$(2+3)[4+4]$。
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- **大括号:**由于大括号`{}`被用来分组,因此需要使用`\{`和`\}`表示大括号,也可以使用`\lbrace`和`\rbrace`来表示。如`\{a*b\}`或者`\lbrace a*b \rbrace`,都会显示为$\lbrace a*b \rbrace$。
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- **尖括号:**使用`\langle`和`\rangle`分别表示左尖括号和右尖括号。如`\langle x \rangle`:$\langle x \rangle$。
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- **上取整:**使用`\lceil`和`\rceil`表示。如`\lceil x \rceil`:$\lceil x \rceil$。
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- **下取整:**使用`\lfloor`和`\rfloor`表示。如`\lfloor x \rfloor`:$\lfloor x \rfloor$。
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需要注意的是,原始括号并不会随着公式大小缩放。如`(\frac12)`:。可以使用`\left( ...\right)`来自适应的调整括号。如`\left( \frac12 \right)`:$\left( \frac12 \right)$。可以明显看出,后一组公式中的括号是经过缩放的。
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#### 求和与积分
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`\sum`用来表示求和符号,其下标表示求和下限,上标表示上线。如`\sum_1^n`:$\sum_1^n$。
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`\int`用来表示积分符号,同样地,其上下标表示积分的上下限。如`\int_1^\infty`:$\int_1^\infty$。
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与此类似的符号还有,`\prod`:$\prod$,`\bigcup`:$\bigcup$,`\bigcap`:$\bigcap$,`\iint`:$\iint$。
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#### 分式与根式
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分式有两种表示方法。第一种,使用`\frac ab`,其中`\frac`作用于气候的两个组a和b,结果为$\frac ab$。如果分子或分母不是单个字符,需要使用`{}`来分组。第二种,使用`\over`来分隔一个组的前后两部分,如`{a+1\over b+1}`:${a+1\over b+1}$。
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根式使用`\sqrt[a]b`来表示。其中,方括号内的值用来表示开几次方,省略方括号则表示开方,如`\sqrt[4]{\frac xy}`:$\sqrt[4]{\frac xy}$,`\sqrt{x^3}`:$\sqrt{x^3}$。
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#### 字体
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- 使用`\it`显示意大利体(公式默认字体):$ACDEFGHIJKLMnopqrstuvwxyz$。
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- 使用`\mathbb`或`\Bbb`显示黑板粗体(黑板黑体),如`\mathbb{CHNQRZ}`:$\mathbb{CHNQRZ}$。
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- 使用`\mathbf`或`\bf`示黑体:$\bf ABCDEFGHIJKLMnopqrstuvwxyzABCDEFGHIJKLMnopqrstuvwxyz$。
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- 使用`\mathtt`或`\tt`显示打印机字体:$\tt{ABCDEFGHIJKLMnopqrstuvwxyz}$
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### MarkDown符号大全
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![这里写图片描述](https://gitee.com/tianzhendong/img/raw/master//images/20171219090613513)
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![img](https://gitee.com/tianzhendong/img/raw/master//images/20171219090626403)
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![img](https://gitee.com/tianzhendong/img/raw/master//images/20171219090708939)
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![这里写图片描述](https://gitee.com/tianzhendong/img/raw/master//images/20171219090742617)
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![这里写图片描述](https://gitee.com/tianzhendong/img/raw/master//images/20171219090751456)
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