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>

</html>
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vuejs基础-计算器案例

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