前端-vue基础15-简单计算器_前端

 

<!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">
        <h1>简单计算器</h1>
        <div>
            <span>数值A:</span>
            <span>
                <input type="text" v-model='a'>
            </span>
        </div>
        <div>
            <span>数值B:</span>
            <span>
                <input type="text" v-model='b'>
            </span>
        </div>
        <div>
            <button v-on:click='handle'>计算</button>
        </div>
        <div>
            <span>计算结果:</span>
            <span v-text='result'></span>
        </div>
    </div>
    <script type="text/javascript" src="./js/vue.js"></script>
    <script>
        /* 语法功能 */
        //自定义按键修饰符 名字自定义 对应的值必须是event的值
 
        var vm = new Vue({
            //绑定的标签
            el: '#app',
            //自定义按键修饰符
            data: {
                a: '',
                b: '',
                result: ''
            },
            methods: {
                handle: function() {
                    //实现计算逻辑
                    this.result = parseInt(this.a) + parseInt(this.b);
                }
            }
        });
    </script>
</body>
 
</html>