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Jade学习笔记

  初学nodejs,折腾过用handlebars做模板,后来隔了一段重新学习,用了jade,真心简洁……记录一些学习笔记,以备复习。

  jade是基于缩进的,所以tab与space不能混用;

  属性的设置:link(rel=‘stylesheet‘, href=http://www.mamicode.com/‘/stylesheets/style.css‘);

  变量的定义:- var users = ["Sally","Joseph","Sam","Mike"]  不要var也可以;

  内容赋值:p= user 或 p ${user} 前者常用于内容就是变量,后者常用于拼接‘Hello ‘ + ${user} , p Hello World 则是后者直接为内容;

  条件语句:

//case语句- num = 10case num    when 0        p you have no friends    when 1 : p you have friends    default        p you have #{num} friends//if语句- options = { description : ‘reference conditionals‘ }- flag = false#user    if options.description        h2 Description        p.description= options.description    else if flag        h2 Description        p.description.            User has no description,            why not add one...    else        h1 Description        p.description User has no description.- opts = { flag : false }#sum// ! 与 unless 同理    if !opts.flag        h2 Hello!        p= options.description    unless opts.flag        h2 World!        p= options.description

  循环语句:

- for (var i=0;i<3;i++)    li shit- var users = ["Sally","Joseph","Sam","Mike"];- each user in users    p= user- addrs = [‘BeiJing‘,‘GuangZhou‘,‘DongGuan‘]- for addr in addrs    p #{addr}- names = {xing:‘ye‘,ming:‘renming‘};- each val,key in names      li #{key} : #{val}

  多行输出:

p     | You are sleeping.    | No I just have a rest.p.    Second function.    Just for testing.    script.    console.log(‘Hello world‘);    console.log(‘Hello life‘);script    |console.log(‘Hello world‘);    |console.log(‘Hello life‘);

  注释:

//  注释块  ‘//-‘是服务器端注释

   转义 与 非转义 :

//- 默认和!=是不转义,不安全(标签直接执行); = 则会转义 安全(标签转字符串)p What‘s up <escaped> 1p= ‘What s‘ + ‘ up <escaped> 2‘p    = ‘What s up <escaped> 3‘p!= ‘What s‘ + ‘ up <escaped> 4‘p    != ‘What s up <escaped> 5‘

  IE条件注释:

<!--[if IE 8]>    p This is IE 8<![endif]-->

  extends : 

//- layout.jadedoctype htmlhtml  head    block title      title Default title  body    block content//- index.jadeextends ./layout.jadeblock title  title Article Titleblock content  h1 My Article<!doctype html><html>  <head>    <title>Article Title</title>  </head>  <body>    <h1>My Article</h1>  </body></html>

  filters :

filters是编译时候运行,所以不能使用动态内容,在服务器端编译。(需要先安装markdown模块)

:markdown  # Markdown  I often like including markdown documents.script  :coffee    console.log ‘This is coffee script‘<h1>Markdown</h1><p>I often like including markdown documents.</p><script>console.log(‘This is coffee script‘)</script>

  include : 

include ./includes/foot.jade include:markdown article.md//可以是js css等文件 也可以是Filtered Text

  Mixins : 创建可重复使用的jade块

mixin article(title)    .article        .article-wrapper        h1= title                if block    //block关键字,就是块                    block                else                    p No content provide+article(‘Hello world‘)+article(‘Hello DongGuang‘)    p This is my     p Hometown
mixin link(href, name)  //- attributes == {class: "btn"}  a(class!=attributes.class, href=http://www.mamicode.com/href)= name+link(‘/foo‘, ‘foo‘)(class="btn")

  直接输出文本: 前面加 |  例如:|Plian text can include <strong>html<strong> 否则会把Plian当做标签<Plian></Plian>

  子集标签除了缩进,还支持a: span: em 这种写法,冒号后面必须加空格。

    

 

Jade学习笔记