请老师检查
来源：2-11 自由编程
weixin_慕莱坞5067944
2023-01-13 07:36:00
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="../lib/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">
<button @click = "cal">=</button>
<span>{{result}}</span>
</div>
<script>
const app = {
data(){
return{
result:''
}
},
methods:{
cal(){
switch(this.opt){
case '+':
this.result = parseFloat(this.num1) + parseFloat(this.num2);
break;
case '-':
this.result = parseFloat(this.num1) - parseFloat(this.num2);
break;
case '*':
this.result = parseFloat(this.num1) * parseFloat(this.num2);
break;
case '/':
this.result = parseFloat(this.num1) / parseFloat(this.num2);
break;
}
}
}
}
Vue.createApp(app).mount('#app');
</script>
</body>
</html>写回答
1回答
-
好帮手慕小蓝
2023-01-13
同学你好，同学的代码符合题目要求，逻辑清晰，书写规范，做的很棒。
祝学习愉快~
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