vue学习笔记之过滤器的使用

时间 2020-08-03 标签 vue 学习笔记之过滤器使用
vue 过滤器的使用html
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <ul v-for="item in items">
            <li>
                <!-- 第一种 -->
                {{item.price | priceStyle}}
                <!-- 第二种 -->
                {{priceFilter(item.price )}}
            </li>
        </ul>
    </div>


    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
        const app = new Vue({
            el: "#app",
            data: {
                items: [{
                    id: 1,
                    name: "js",
                    price: 2000,
                    number: 1
                }, {
                    id: 2,
                    name: "node.js",
                    price: 4000,
                    number: 5
                }, {
                    id: 3,
                    name: "py",
                    price: 2000,
                    number: 1
                }, {
                    id: 4,
                    name: "java",
                    price: 500,
                    number: 2
                }]
            },
            methods: {
                priceFilter(price) {
                    return price.toFixed(2);
                }
            },
            filters: {
                priceStyle(price) {
                    return price.toFixed(2);
                }
            }
        })
    </script>
</body>

</html>