响应式
声明状态
Aurelia 2
<h1>你好 ${name}</h1>
Aurelia 1
<template>
<h1>你好 ${name}</h1>
</template>
更新状态
Aurelia 2
<h1>你好 ${name}</h1>
Aurelia 1
<template>
<h1>你好 ${name}</h1>
</template>
计算属性
Aurelia 2
<div>${doubleCount}</div>
Aurelia 1
<template>
<div>${doubleCount}</div>
</template>
模板语法
最简模板
Aurelia 2
<h1>你好,世界</h1>
Aurelia 1
<template>
<h1>你好,世界</h1>
</template>
样式
Aurelia 2
.title {
color: red;
}
Aurelia 1
.title {
color: red;
}
DOM循环
Aurelia 2
<ul>
<li repeat.for="color of colors">${color}</li>
</ul>
Aurelia 1
<template>
<ul>
<li repeat.for="color of colors">${color}</li>
</ul>
</template>
点击事件
Aurelia 2
<p>计数器: ${count}</p>
<button click.trigger="incrementCount">+1</button>
Aurelia 1
<template>
<p>计数器: ${count}</p>
<button click.trigger="incrementCount()">+1</button>
</template>
DOM引用
Aurelia 2
<input ref="inputElement" />
Aurelia 1
<template>
<input ref="inputElement" />
</template>
条件渲染
Aurelia 2
<button click.trigger="nextLight()">下一个灯</button>
<p>现在亮着的是: ${light}</p>
<p switch.bind="light">
你应该
<span case="红灯">停下</span>
<span case="黄灯">慢行</span>
<span case="绿灯">赶紧走</span>
</p>
Aurelia 1
<template>
<button click.trigger="nextLight()">下一个灯</button>
<p>现在亮着的是: ${light}</p>
<p>
你应该
<span if.bind="light === '红灯'">停下</span>
<span if.bind="light === '黄灯'">慢行</span>
<span if.bind="light === '绿灯'">赶紧走</span>
</p>
</template>
生命周期
组件加载时
Aurelia 2
<p>页面标题: ${pageTitle}</p>
Aurelia 1
<template>
<p>页面标题: ${pageTitle}</p>
</template>
组件卸载时
Aurelia 2
<p>当前时间: ${time}</p>
Aurelia 1
<template>
<p>当前时间: ${time}</p>
</template>
组件组合
组件Props传参
Aurelia 2
<user-profile
name.bind
age.bind
favourite-colors.bind="colors"
is-available.bind="available"
></user-profile>
Aurelia 1
<template>
<require from="./user-profile"></require>
<user-profile
name.bind="name"
age.bind="age"
favourite-colors.bind="colors"
is-available.bind="available"
></user-profile>
</template>
向父组件emit事件
Aurelia 2
<p>你快乐吗?</p>
<answer-button action-handler.bind="handleAnswer"></answer-button>
<p style="font-size: 50px">${isHappy ? "😀" : "😥"}</p>
Aurelia 1
<template>
<require from="./answer-button"></require>
<p>你快乐吗?</p>
<answer-button action-handler.call="handleAnswer(reply)"></answer-button>
<p style="font-size: 50px">${isHappy ? "😀" : "😥"}</p>
</template>
slot插槽
Aurelia 2
<funny-button>点我!</funny-button>
Aurelia 1
<template>
<require from="./funny-button"></require>
<funny-button>点我!</funny-button>
</template>
slot插槽内容
Aurelia 2
<funny-button></funny-button>
<funny-button>这是传到slot的内容!</funny-button>
Aurelia 1
<template>
<require from="./funny-button"></require>
<funny-button></funny-button>
<funny-button>这是传到slot的内容!</funny-button>
</template>
上下文
Aurelia 2
<h1>欢迎回来, {{ user.username }}</h1>
<user-profile />
Aurelia 1
缺少代码片段 帮助我们改进 Component Party 
表单输入
输入框
Aurelia 2
<p>${text}</p>
<input value.bind />
Aurelia 1
<template>
<p>${text}</p>
<input value.bind="text" />
</template>
复选框
Aurelia 2
<input id="is-available" type="checkbox" checked.bind="isAvailable" />
<label for="is-available">这是一个checkbox</label>: ${isAvailable}
Aurelia 1
<template>
<input id="is-available" type="checkbox" checked.bind="isAvailable" />
<label for="is-available">这是一个checkbox</label>: ${isAvailable}
</template>
单选框
Aurelia 2
<div>你选择了: ${picked}</div>
<input id="blue-pill" checked.bind="picked" type="radio" value="blue" />
<label for="blue-pill">蓝色</label>
<input id="red-pill" checked.bind="picked" type="radio" value="red" />
<label for="red-pill">红色</label>
Aurelia 1
<template>
<div>你选择了: ${picked}</div>
<input id="blue-pill" checked.bind="picked" type="radio" value="blue" />
<label for="blue-pill">蓝色</label>
<input id="red-pill" checked.bind="picked" type="radio" value="red" />
<label for="red-pill">红色</label>
</template>
选择器
Aurelia 2
<select value.bind="selectedColorId">
<option value="">选择一个颜色</option>
<option
repeat.for="color of colors"
value.bind="color.id"
disabled.bind="color.isDisabled"
>
${color.text}
</option>
</select>
Aurelia 1
<template>
<select value.bind="selectedColorId">
<option value="">选择一个颜色</option>
<option
repeat.for="color of colors"
value.bind="color.id"
disabled.bind="color.isDisabled"
>
${color.text}
</option>
</select>
</template>
Web应用特性
渲染应用
Aurelia 2
<!doctype html>
<html>
<head>
<script type="module" src="./main.ts"></script>
</head>
<body>
<app></app>
</body>
</html>
Aurelia 1
缺少代码片段 帮助我们改进 Component Party 
fetch获取数据
Aurelia 2
<template promise.bind="useFetchUsers.fetchData()">
<p pending>正在获取用户信息……</p>
<p catch>获取用户信息出错</p>
<ul then.from-view="users">
<li repeat.for="user of users">
<img src.bind="user.picture.thumbnail" alt="user" />
<p>${ user.name.first } ${ user.name.last }</p>
</li>
</ul>
</template>
Aurelia 1
<template>
<p if.bind="isLoading">正在获取用户信息……</p>
<p if.bind="error">获取用户信息出错</p>
<ul if.bind="users">
<li repeat.for="user of users">
<img src.bind="user.picture.thumbnail" alt="user" />
<p>${ user.name.first } ${ user.name.last }</p>
</li>
</ul>
</template>