亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

兩個(gè)整數(shù)相加的小案例

original 2019-03-19 15:29:31 282
abstrait:<!DOCTYPE html> <html lang="en"> <head>     <meta charset="UTF-8">     <meta name="viewp
<!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>兩個(gè)整數(shù)相加的小案例</title>
    <style>
        #box input{
            height:15px;
            width: 30px;
        }
    </style>
</head>
<body>
    <!-- 創(chuàng)建一個(gè)掛載點(diǎn) -->
    <div id="box">
        <input type="number" v-model.number="numb1">+<input type="number" v-model.number="numb2">=<span>{{sum}}</span>
    </div>
    <script src="js/Vue.js"></script>
    <script>
        new Vue({
            // 綁定掛載點(diǎn)
            el:'#box',
            //創(chuàng)建一個(gè)數(shù)據(jù)模型
            data:{
                numb1:'',
                numb2:'',
            },
            //計(jì)算屬性
            computed:{
                sum:function(){
                    return this.numb1+this.numb2;
                }
            }
        })
    </script>
</body>
</html>

vuejs.png


Professeur correcteur:天蓬老師Temps de correction:2019-03-19 15:49:06
Résumé du professeur:這種雙向數(shù)據(jù)綁定是MVVM模式的基礎(chǔ),功能強(qiáng)大, 應(yīng)用廣泛

Notes de version

Entrées populaires