Vue 学习笔记5 v-bind

v-bind

v-bind 指令用来绑定HTML 属性中的值。

<input type="button" v-bind:value="btn1" />

可以用 [:] 代替 [v-bind]

<input type="button" :value="btn2" />

完整代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Lesson 5 v-bind</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.js"></script>
</head>

<body>
    <div id="app">
        <p>{{ message }}</p>
        <p><input type="button" v-bind:value="btn1" v-on:click="func1()" /></p>
        <p><input type="button" :value="btn2" @click="func2()" /></p>
    </div>
    <script>
        let tmp = new Vue({
            el: "#app",
            data: {
                "message": "Hello Vue",
                btn1: "按钮1",
                btn2: "按钮2",
            },
            methods: {
                "func1": function () {
                    this.message = "按钮1被按了"
                    this.btn1 = "我被按了"
                    this.btn2 = "按钮2"
                },
                "func2": function () {
                    this.message = "按钮2被按了"
                    this.btn1 = "按钮1"
                    this.btn2 = "我被按了"
                },
            }
        })
    </script>
</body>

</html>