#1. 换行符

first line second line

fouth line libhab 这里只要一个空格

End a line with two or more spaces will create a hard linebreak, called <br /> in HTML. ( Control + Return )
Above line ended with 2 spaces.
以两个或两个以上以上空格结尾

#2. 链接自动生成

http://www.baidu.com

#3. 代码高亮

一个tab或者四个空格：

var Mou = exactlyTheAppIwant

var s = "JavaScript syntax highlighting";
alert(s);

def function():
#indenting works just fine in the fenced code block
s = "Python syntax highlighting"
print s

require 'redcarpet'
markdown = Redcarpet.new("Hello World!")
puts markdown.to_html

@nice-blue: #5B83AD;
@light-blue: @nice-blue + #111;
#header { color: @light-blue; }

No language indicated, so no syntax highlighting.
s = "There is no highlighting for this."
But let's throw in a tag.

#4. Emoji（表情）

Sometimes you want to be 🆒 and add some ✨ to your 💬. Well we have a 🎁 for you: ❗ You can use emoji anywhere GFM is supported. 😎

#5. 特殊符合开始

@foo : for team members
#123 : for issues
!123 : for merge requests
$123 : for snippets
1234567 : for commits
[file](path/to/file) : for file references

#6. 标准markdown

Headers

Alternatively, for H1 and H2, an underline-ish style:

链接为#ab_c-d-e-anchor

#7. 字体

Emphasis, aka italics, with asterisks or underscores.

粗体 Strong emphasis, aka bold, with asterisks or underscores.

粗，粗斜体 Combined emphasis with asterisks and underscores.

删除线 Strikethrough uses two tildes. Scratch this.

8. list
9. First ordered list item
10. Another item

• Unordered sub-list.

1. Actual numbers don't matter, just that it's a number
2. Ordered sub-list
3. And another item.

Some text that should be aligned with the above item.

• Unordered list can use asterisks

• Or minuses

• Or pluses

#9. 链接

• links: I'm an inline-style link

I'm a reference-style link

I'm a relative reference to a repository file

You can use numbers for reference-style link definitions

Or leave it empty and use the link text itself

Some text to show that the reference links can follow later.

• email: An email [email protected] link.

#10. 图片 Inline-style:

Reference-style: ![alt text1][logo] [logo]: assets/logo-white.png

#11. 横线 Three or more...

Hyphens

Asterisks

Underscores

#12. 表格

If you wish, you can add a leading and tailing pipe to each line of the table:

Specify alignement for each column by adding colons to separator lines: