<!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>
vue實現簡易計算機demo
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