vue之计算属性的setter和getter

兮动人

发布于 2021-06-11 16:19:17

8260

发布于 2021-06-11 16:19:17

文章被收录于专栏：兮动人的博客

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="app">
        <h2>{{fullName}}</h2>
    </div>

    <script src="../js/vue.js"></script>
    <script>
        const app = new Vue({
        el: '#app',
        data: {
            firstName: 'kobe',
            lastName: 'Bryant'
            },
            computed: {
               /*fullName: function () {
                    return this.firstName+' '+this.lastName
               }*/
                //计算属性一般没有set方法，只读属性
                fullName: {
                   /* set: function (newValue) {
                        // console.log("------"+newValue);
                        const names = newValue.split(' ');
                        this.firstName = name[0]
                        this.lastName = name[1]
                    },*/

                    get: function () {
                        return this.firstName+' '+this.lastName
                    }
                },

                /*fullName: function () {
                    return this.firstName+' '+this.lastName
                }*/

            }
        })
    </script>
</body>
</html>