vue實現簡易計算機demo

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div class="app">
        <input type="text" v-model.number = "num1" />
        <select v-model = "type">
            <option value="+">+</option>
            <option value="-">-</option>
            <option value="*">*</option>
            <option value="/">/</option>
        </select>
        <input type="text" v-model.number = "num2" />
        <button @click = "handleClick()">=</button>
        <span>{{ result }}</span>
        
    </div>
</body>
<script>
    const vm = new Vue({
        el:'.app',
        data:{
            num1:0,
            num2:0,
            type:'+',
            result:0

        },
        methods:{
            handleClick(){
                const {type,num1,num2} = this;
                switch(type){
                    case '+':
                    this.result = num1+num2;
                    break;
                    case '-':
                    this.result = num1-num2;
                    break;
                    case '*':
                    this.result = num1*num2;
                    break;
                    case '/':
                    this.result = num1/num2;
                    break;

                }
            }
        }
    })
</script>
</html>
發表評論
所有評論
還沒有人評論,想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章