<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>簡易計算器</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<input type="text" v-model="num1">
<select v-model="opt">
<option value="+">+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select>
<input type="text" v-model="num2">
<input type="button" value="=" @click="cal">
<input type="text" v-model="result">
</div>
<script>
var vm = new Vue({
el:"#app",
data:{
num1:0,
num2:0,
result:0,
opt:"+"
},
methods:{
cal(){
switch (this.opt) {
case "+":
this.result = parseInt(this.num1) + parseInt(this.num2)
break;
case "-":
this.result = parseInt(this.num1) - parseInt(this.num2)
break;
case "*":
this.result = parseInt(this.num1) * parseInt(this.num2)
break;
case "/":
this.result = parseInt(this.num1) / parseInt(this.num2)
break;
}
}
}
})
</script>
</body>
</html>
vue實現簡易計算器
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