<!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="./lib/vue-2.6.12.js"></script>
<style>
.box {
width: 200px;
height: 200px;
border: 1px solid #ccc;
}
</style>
</head>
<body>
<div id="app">
<div>
<span>R：</span>
<input type="text" v-model.number="r">
</div>
<div>
<span>G：</span>
<input type="text" v-model.number="g">
</div>
<div>
<span>B：</span>
<input type="text" v-model.number="b">
</div>
<hr>
<div :>
{{ `rgb(${r}, ${g}, ${b})` }}
</div>
<button @click="show">按钮</button>
</div>
<script>
var vm = new Vue({
el: '#app',
data: {
r: 0,
g: 0,
b: 0
},
methods: {
show() {
console.log(`rgb(${this.r}, ${this.g}, ${this.b})`)
}
},
});
</script>
</body>
</html>
