<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script src="vue.js"></script>
</head>
<body>
<!--容器-->
<div id="app">
<input type="text" v-model="n1">
<select v-model="type">
<option value="+">+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select>
<input type="text" v-model="n2">
<input type="button" value="=" @click="cal">
<input type="text" v-model="result">
</div>
<script>
// 创建一个vue实例
var vm=new Vue({
el:'#app', // 绑定id为appid容器
data:{
n1:0,
n2:0,
type:'-',
result:''
},
methods:{
cal(){
console.log("adsf");
switch (this.type){
case '+':
this.result=parseInt(this.n1)+parseInt(this.n2);
break;
case '-':
this.result=parseInt(this.n1)-parseInt(this.n2);
break;
case '*':
this.result=parseInt(this.n1)*parseInt(this.n2);
break;
case '/':
this.result=parseInt(this.n1)/parseInt(this.n2);
break;
}
}
}
})
</script>
</body>
</html>效果：
