Vue filter

1、局部filter

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <p>{{msg}}</p>
        <App />
    </div>
    <script src="./js/vue.js"></script>
    <script>
        let App = {
            data(){
                return {
                    text: "Hello World"
                }
            },
            template:`
                <div>
                    <p>{{text | reverfilter}}<p>
                    </div>
            `,
            filters:{
                reverfilter: function(str){
                    str = str.split('').reverse().join('');
                    return str   
                }
            },
        }
        new Vue({
            el: "#app",
            data(){
                return {
                    msg: "filter"
                }
            },
            components:{
                App
            }
        })
    </script>
</body>
</html>

全局筛选器

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <p>{{msg}}</p>
        <App />
    </div>
    <script src="./js/vue.js"></script>
    <script>
        // 全局筛选器
        Vue.filter("myFilter", function(val){
            return val.split('').reverse().join('');
        })
        let App = {
            data(){
                return {
                    text: "Hello World"
                }
            },
            
            template:`
                <div>
                    <p>{{text | myFilter}}<p>
                    </div>
            `,
        }
        new Vue({
            el: "#app",
            data(){
                return {
                    msg: "filter"
                }
            },
            components:{
                App
            }
        })
    </script>
</body>
</html>

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