vuejs基础-计算器案例
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="vue.min.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="=" @click="abc1"/>
<input type="text" v-model="result"/>
</div>
</body>
<script>
new Vue({
el:"#app",
data:{
n1:0,
opt:'+',
n2:0,
result:0
},
methods:{
abc(){
switch(this.opt){
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;
}
},
abc1(){
var stringopt = "parseInt(this.n1)" + this.opt + "parseInt(this.n2) ";
this.result = eval(stringopt);
}
}
});
</script>
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原始发表：2019-07-23 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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