I want to implement that when I click on an image in a list and let him switch, I can let him switch now, but when I click on the second li tab, I change the image of the previous switch. How to achieve, click that to change the current click, do not let it affect what has been changed?
<!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" />
<title>Document</title>
</head>
<body>
<div id="app">
<ul>
<li v-for="(item,ind) in list">
<img :src="num==ind?url:urls" alt="" @click.stop="up(ind)"/>
{{item.id}}
</li>
</ul>
</div>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js" ></script>
<script>
new Vue({
el:"-sharpapp",
data:{
list:[{id:1},{id:2},{id:3}],
url:"0111.png",
urls:"01.png",
num:null
},
methods:{
up(ind){
this.num = ind
}
}
})
</script>
</body>
</html> error implementation effect:
