53、过滤器filters

1、局部过滤器filters

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Vue过滤器</title>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        {{gender | genderFilter}}  <!--竖杠代表管道符，将gender值传给过滤器genderFilter-->>
    </div>
</body>
</html>
<script>
    var app = new Vue({
        el: "#app",
        data:{
            gender: 1
        },
        methods:{

        },
        filters:{
            genderFilter(value){
                if(value == 1){
                    return "男"
                }else if(value == 0){
                    return "女"
                }
            }
        }
    })
</script>

2、全局过滤器Vue.filter

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Vue过滤器</title>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        {{gender | genderFilter}}  <!--竖杠代表管道符，将gender值传给过滤器genderFilter-->
    </div>
</body>
</html>
<script>
    // 全局过滤器
    Vue.filter("genderFilter", function(value){
        if(value == 1){
            return "男"
        }else{
            return "女"
        }
    })

    var app = new Vue({
        el: "#app",
        data:{
            gender: 1
        },
        methods:{

        }
    })
</script>
posted @ 2023-01-04 22:18  不是孩子了  阅读(44)  评论(0)    收藏  举报