打开tools-new snippet..
<snippet>
<content><![CDATA[
Hello, ${1:this} is a ${2:snippet}.
]]></content>
<!-- Optional: Set a tabTrigger to define how to trigger the snippet -->
<!-- <tabTrigger>hello</tabTrigger> -->
<!-- Optional: Set a scope to limit where the snippet will trigger -->
<!-- <scope>source.python</scope> -->
</snippet>
content里面写上你定义的代码段
tabTrigger里面写上你的快捷键
scope里面是你要为什么格式的文件设置快捷键，有如下选项：
ActionScript: source.actionscript.2
AppleScript: source.applescript
ASP: source.asp
Batch FIle: source.dosbatch
C#: source.cs
C++: source.c++
Clojure: source.clojure
CSS: source.css
D: source.d
Diff: source.diff
Erlang: source.erlang
Go: source.go
GraphViz: source.dot
Groovy: source.groovy
Haskell: source.haskell
HTML: text.html(.basic)
JSP: text.html.jsp
Java: source.java
Java Properties: source.java-props
Java Doc: text.html.javadoc
JSON: source.json
Javascript: source.js
BibTex: source.bibtex
Latex Log: text.log.latex
Latex Memoir: text.tex.latex.memoir
Latex: text.tex.latex
TeX: text.tex
Lisp: source.lisp
Lua: source.lua
MakeFile: source.makefile
Markdown: text.html.markdown
Multi Markdown: text.html.markdown.multimarkdown
Matlab: source.matlab
Objective-C: source.objc
Objective-C++: source.objc++
OCaml campl4: source.camlp4.ocaml
OCaml: source.ocaml
OCamllex: source.ocamllex
Perl: source.perl
PHP: source.php
Regular Expression(python): source.regexp.python
Python: source.python
R Console: source.r-console
R: source.r
Ruby on Rails: source.ruby.rails
Ruby HAML: text.haml
SQL(Ruby): source.sql.ruby
Regular Expression: source.regexp
RestructuredText: text.restructuredtext
Ruby: source.ruby
Scala: source.scala
Shell Script: source.shell
SQL: source.sql
TCL: source.tcl
HTML(TCL): text.html.tcl
Plain text: text.plain
Textile: text.html.textile
XML: text.xml
XSL: text.xml.xsl
YAML: source.yaml
示例：
<snippet>
<content><![CDATA[
/**
*
*Author:
*Depends:
*Created:
*Last updated:
*Copyright 2013 loveming.org
*/
]]></content>
<!-- Optional: Set a tabTrigger to define how to trigger the snippet -->
<tabTrigger>/**</tabTrigger>
<!-- Optional: Set a scope to limit where the snippet will trigger -->
<scope>source.js</scope>
<scope>text.js</scope>
</snippet>
使用方式：
在以.html或者.js结尾的文件中，输入/**，然后按下tab即可！
来源：oschina
链接：https://my.oschina.net/u/1423670/blog/186451