doctype html html head style. div{ float:left } h2 script. var a = 1; body p. hello jade hello jade - var user = { description: '我喜欢猫' } //- if 判断 #user.user if user.description h2 描述 p.description= user.description else h1 描述 p.description 用户无描述 //- for 循环 - var array = [1,2,3] ul - for (var i = 0; i < array.length; ++i) { li hello #{array[i]} - } //- each ul each val, index in ['西瓜', '苹果', '梨子'] li= index + ': ' + val - var friends = 10 //- Case case friends when 0 p you have no friends when 1 p you have a friend default p you have #{friends} friends //- 申明可重用的块 mixin list ul li foo li bar li baz //- 调用 +list() +list() mixin pets (pets) ul#pets.pets - each val, key in pets li #{ val + ':' + key } //- 调用 +pets(['cat', 'dog', 'pig']) mixin article(title) .article .article-wrapper h1= title //- block 为 jade 关键字代表外部传入的块 if block block else p 该文章没有内容 +article('Hello world') +article('Hello Jade') p 这里是外部传入的块 p 再写两句 mixin link(href, name) a(class!=attributes.class, href=href)= name +link('/foo', 'foo')(class="btn")