可以使用vee-validate.js插件
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<div id="app">
<input v-validate="'required|email'" name="email" type="text">
<span>{{ errors.first('email') }}</span>
</div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/vee-validate.min.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/vue@2.6.1-dev.js"></script>
<script>
Vue.use(VeeValidate);
new Vue({
el: '#app',
data: function() {
return {
}
},
methods:{
add:function(){
this.score++;
}
},
})
</script>
</body>
</html>
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