<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">
<!--filter 不会修改用户的原始数据，只会在原有的基础上过滤，，filter自动传值，默认是自己-->
<div>
<input v-model="length">{{ length | mater("m") }}
</div>
<hr>
<div>
<input v-model="price">{{ price | currency("usd") }}
</div>
</div>
<script src="../lib/vue.js"></script>
<script src="js/main.js"></script>
</body>
</html>
Vue.filter("currency", function (val, unit) {
val = val || 0;
unit = unit || "元";
return val + unit
});
Vue.filter("mater", function (val, unit) {
val = val || 0;
unit = unit || "m";
return (val / 1000).toFixed(2) + unit
});
new Vue({
el: "#app",
data: {
price: 10,
length:""
}
});