如何正确使用 Markdown ？必学的技能！！！

南易_站长

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如何正确使用 Markdown ？必学的技能！！！

这是一篇讲解如何正确使用 **Markdown** 的排版示例，学会这个很有必要，能让你的文章有更佳清晰的排版。

> 引用文本：Markdown is a text formatting syntax inspired

## 语法指导

### 普通内容

这段内容展示了在内容里面一些排版格式，比如：

- **加粗** - `**加粗**`
- *倾斜* - `*倾斜*`
- ~~删除线~~ - `~~删除线~~`
- `Code 标记` - `` `Code 标记` ``
- [超级链接](https://hacpai.com) - `[超级链接](https://hacpai.com)`
- [username@gmail.com](mailto:username@gmail.com) - `[username@gmail.com](mailto:username@gmail.com)`

### 提及用户

@Vanessa 通过 `@User` 可以在内容中提及用户，被提及的用户将会收到系统通知。

> NOTE:
>
> 1. @用户名之后需要有一个空格
> 2. 新手没有艾特的功能权限

### 表情符号 Emoji

支持大部分标准的表情符号，可使用输入法直接输入，也可手动输入字符格式。通过输入 `:` 触发自动完成，可在个人设置中[设置常用表情](https://hacpai.com/settings/function)。

#### 一些表情例子

:smile: :laughing: :dizzy_face: :sob: :cold_sweat: :sweat_smile:  :cry: :triumph: :heart_eyes: :relieved:
:+1: :-1: :100: :clap: :bell: :gift: :question: :bomb: :heart: :coffee: :cyclone: :bow: :kiss: :pray: :anger:

### 大标题 - Heading 3

你可以选择使用 H1 至 H6，使用 ##(N) 打头。建议帖子或回帖中的顶级标题使用 Heading 3，不要使用 1 或 2，因为 1 是系统站点级，2 是帖子标题级。

> NOTE: 别忘了 # 后面需要有空格！

#### Heading 4

##### Heading 5

###### Heading 6

### 图片

```
![alt 文本](http://image-path.png)
![alt 文本](http://image-path.png "图片 Title 值")
```

支持复制粘贴直接上传。

### 代码块

#### 普通

```
*emphasize*    **strong**
_emphasize_    __strong__
var a = 1
```

#### 语法高亮支持

如果在 ``` 后面跟随语言名称，可以有语法高亮的效果哦，比如:

##### 演示 Go 代码高亮

```go
package main

import "fmt"

func main() {
	fmt.Println("Hello, 世界")
}
```

##### 演示 Java 高亮

```java
public class HelloWorld {

public static void main(String[] args) {
        System.out.println("Hello World!");
    }

}
```

> Tip: 语言名称支持下面这些: `ruby`, `python`, `js`, `html`, `erb`, `css`, `coffee`, `bash`, `json`, `yml`, `xml` ...

### 有序、无序、任务列表

#### 无序列表

- Java
  - Spring
    - IoC
    - AOP
- Go
  - gofmt
  - Wide
- Node.js
  - Koa
  - Express

#### 有序列表

1. Node.js
   1.1. Express
   1.2. Koa
   1.3. Sails
2. Go
   2.1. gofmt
   2.2. Wide
3. Java
   3.1. Latke
   3.2. IDEA

#### 任务列表

- [x] 发布 Sym
- [X] 发布 Solo
- [ ] 预约牙医

### 表格

如果需要展示数据什么的，可以选择使用表格。

| header 1 | header 3 |
| -------- | -------- |
| cell 1   | cell 2   |
| cell 3   | cell 4   |
| cell 5   | cell 6   |

### 隐藏细节

<details>
<summary>这里是摘要部分。</summary>
这里是细节部分。
</details>

### 段落

空行可以将内容进行分段，便于阅读。（这是第一段）

使用空行在 Markdown 排版中相当重要。（这是第二段）

### 数学公式

多行公式块：

$$
\frac{1}{
  \Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{
  \frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {
    1+\frac{e^{-6\pi}}
    {1+\frac{e^{-8\pi}}{1+\cdots}}
  }
}
$$

行内公式：

公式 $a^2 + b^2 = \color{red}c^2$ 是行内。

### 流程图

```mermaid
graph TB
    c1-->a2
    subgraph one
    a1-->a2
    end
    subgraph two
    b1-->b2
    end
    subgraph three
    c1-->c2
    end
```

### 时序图

```mermaid
sequenceDiagram
    Alice->>John: Hello John, how are you?
    loop Every minute
        John-->>Alice: Great!
    end
```

### 甘特图

```mermaid
gantt
    title A Gantt Diagram
    dateFormat  YYYY-MM-DD
    section Section
    A task           :a1, 2019-01-01, 30d
    Another task     :after a1  , 20d
    section Another
    Task in sec      :2019-01-12  , 12d
    another task      : 24d
```

### 图表

```echarts
{
  "title": { "text": "最近 30 天" },
  "tooltip": { "trigger": "axis", "axisPointer": { "lineStyle": { "width": 0 } } },
  "legend": { "data": ["帖子", "用户", "回帖"] },
  "xAxis": [{
      "type": "category",
      "boundaryGap": false,
      "data": ["2019-05-08","2019-05-09","2019-05-10","2019-05-11","2019-05-12","2019-05-13","2019-05-14","2019-05-15","2019-05-16","2019-05-17","2019-05-18","2019-05-19","2019-05-20","2019-05-21","2019-05-22","2019-05-23","2019-05-24","2019-05-25","2019-05-26","2019-05-27","2019-05-28","2019-05-29","2019-05-30","2019-05-31","2019-06-01","2019-06-02","2019-06-03","2019-06-04","2019-06-05","2019-06-06","2019-06-07"],
      "axisTick": { "show": false },
      "axisLine": { "show": false }
  }],
  "yAxis": [{ "type": "value", "axisTick": { "show": false }, "axisLine": { "show": false }, "splitLine": { "lineStyle": { "color": "rgba(0, 0, 0, .38)", "type": "dashed" } } }],
  "series": [
    {
      "name": "帖子", "type": "line", "smooth": true, "itemStyle": { "color": "#d23f31" }, "areaStyle": { "normal": {} }, "z": 3,
      "data": ["18","14","22","9","7","18","10","12","13","16","6","9","15","15","12","15","8","14","9","10","29","22","14","22","9","10","15","9","9","15","0"]
    },
    {
      "name": "用户", "type": "line", "smooth": true, "itemStyle": { "color": "#f1e05a" }, "areaStyle": { "normal": {} }, "z": 2,
      "data": ["31","33","30","23","16","29","23","37","41","29","16","13","39","23","38","136","89","35","22","50","57","47","36","59","14","23","46","44","51","43","0"]
    },
    {
      "name": "回帖", "type": "line", "smooth": true, "itemStyle": { "color": "#4285f4" }, "areaStyle": { "normal": {} }, "z": 1,
      "data": ["35","42","73","15","43","58","55","35","46","87","36","15","44","76","130","73","50","20","21","54","48","73","60","89","26","27","70","63","55","37","0"]
    }
  ]
}
```

### 五线谱

### 多媒体

支持 v.qq.com，youtube.com，youku.com，coub.com，facebook.com/video，dailymotion.com，.mp4，.m4v，.ogg，.ogv，.webm，.mp3，.wav 链接解析

https://v.qq.com/x/cover/zf2z0xpqcculhcz/y0016tj0qvh.html

## 快捷键

我们的编辑器支持很多快捷键，具体请参考 [键盘快捷键](https://hacpai.com/article/1474030007391)（或者按 "`?` ":smirk_cat:）

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阅读量：6634

如何正确使用 Markdown ？必学的技能！！！

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