效果:

vue实现网页简单计算器实例代码-LMLPHP

代码如下:

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/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="getResult" >=</button>
<input type="text" v-model="res" /> </div>
<script type="text/javascript">
var vm = new Vue({
el:"#app",
data:{
num1:0,
num2:0,
opt:'+',
res:0
},
methods:{
getResult(){
console.log(this.opt)
var str = 'Number(this.num1)'+this.opt+'Number(this.num2)'
// eval函数是把参数当做能执行的代码来执行
this.res = eval(str)
}
}
})
</script>
</body>
</html>
05-11 15:19
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