<!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>Vue</title>
</head>
<body>
<div id="app">
<!-- 计算器功能区域 -->
<div class="input-num">
<button @click="sub">
-
</button>
<span>{{num}}</span>
<button @click="add">
+
</button>
</div>
</div>
<!-- 开发环境版本，包含了有帮助的命令行警告 -->
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
var app=new Vue({
el:"#app",
data:{
num:1
},
methods:{
add:function(){
if(this.num<10){
this.num++;
}else{
alert("别点了最大了")
}
},
sub:function(){
if(this.num>0){
this.num--;
}else{
alert("别点了最小了")
}
}
},
})
</script>
</body>
</html>
Processed:
0.010, SQL:
9
