代码语言：javascript复制
<!DOCTYPE html>
<html lang="zh">
<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">
<script type="text/javascript" src="./vue.min.js"></script>
<title></title>
</head>
<body>
<input type="" name="" v-model='left'>-
<input type="" name="" v-model='right'>
{{left-right}}
<script type="text/javascript">
new Vue(
{
el:'body',
data:{
left:'',
right:''
}
}
);
</script>
</body>
</html>解释：
代码语言：javascript复制{{left-right}}神来之笔
效果：
