<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="./vue-2.4.0.js"></script>
</head>
<body>
<div id="app">
<input type="text" v-model="n1">
<select v-model="opt">
<option value="+">+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select >
<input type="text " v-model="n2">
<input type="button" value="结果" @click="calc">
<input type="text " v-model="结果">
</div>
<script>
var vm=new Vue({
el:'#app',
data:{
n1:0,
n2:0,
结果:0,
opt:'+'
},
methods:{
calc(){
switch(this.opt){
case'+':
this.结果=parseInt(this.n1)+ parseInt(this.n2)
break;
case'-':
this.结果=parseInt(this.n1)-parseInt(this.n2)
break;
case'*':
this.结果=parseInt(this.n1)*parseInt(this.n2)
break;
case'/':
this.结果=parseInt(this.n1)/parseInt(this.n2)
break;
}
}
}
});
</script>
</body>
</html>
vue.js的基础