<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>计算器</title>
<script src="../../jQuery库/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="=" @click="calc">
<input type="text" v-model="result">
</div>
<script>
var vm = new Vue({
el: '#app',
data: {
n1: 0,
n2: 0,
result: 0,
opt: '+'
},
methods:{
calc(){
// 逻辑：
/* 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;
} */
var codeStr = 'parseInt(this.n1) ' + this.opt + ' parseInt(this.n2)'
this.result = eval(codeStr)
}
}
});
</script>
</body>
</html>
vue 之简易计算器
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转载自blog.csdn.net/Pandora_417/article/details/89948180
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