v-bind 缩写
<!-- 完整语法 -->
<a v-bind:href="url">...</a>
<!-- 缩写 -->
<a :href="url">...</a>
<!-- 动态参数的缩写 (2.6.0+) -->
<a :[key]="url"> ... </a>
v-on 缩写
<!-- 完整语法 -->
<a v-on:click="doSomething">...</a>
<!-- 缩写 -->
<a @click="doSomething">...</a>
<!-- 动态参数的缩写 (2.6.0+) -->
<a @[event]="doSomething"> ... </a>
简单示例：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>双大括号语法</title>
</head>
<body>
<div id="app">
<input type="text" :value="inputValue">
<a @click.prevent="aClick">点击</a>
</div>
</body>
<script src="../static/js/Vue.js"></script>
<script>
new Vue({
el: '#app',
data: {
inputValue: "我是Input里面的值"
},
methods: {
aClick(){
console.log("aClick");
}
}
})
</script>
</html>