---
title: 代码块展示
head:
- - meta
- name: description
content: 代码块展示
- - meta
- name: keywords
content: code
---
# {{ $frontmatter.title }}
## MD语法展示
使用三个 ` 符号将代码包裹其中便是展示代码块
**亮/暗主题切换**
根据文档主题模式切换
**代码块主题 macos**
可以在 language_key(语言标识) 后加入 `macos`
输入内容:
```java macos
String language = "Java";
```
展示效果:
```java macos
String language = "Java";
```
**默认主题**
默认主题是以暗色系为主的
输入内容:
```js
String language = "JS";
```
输出内容:
```java
String language = "JS";
```
**示例展示**
- javascript ( js macos )
```js macos
function fun(){
echo "Hello, World!";
}
fun();
```
- Java ( java )
```java
System.out.print(1);
```
- Python ( py macos )
```py macos
#!/usr/bin/env python3
print("Hello, World!");
```
- SQL ( sql )
```sql
select user_name from user_info
```
- Shell ( bash, shell )
```bash
echo '1'
```