<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>事件修饰符之使用$event与$prevent修饰符操作表单</title>
<script src="vue.js"></script>
</head>
<body>
<div >
<!--<form action="" @submit="post($event)">-->
<!--prevent 写入到代码里面等同于写入js中。阻止提交事件发生-->
<form action="" @submit.prevent="post('lantian')">
<h1>{{times}}</h1>
<button>提交</button>
</form>
</div>
<script>
var app = new Vue({
el: '#hdcms',
data: {
times: new Date()
},
methods: {
// post($event) {
// //preventDefault() 阻止元素发生默认的行为
// event.preventDefault();
// alert('lantian');
// },
post(num) {
alert(num);
}
}
});
</script>
</body>
</html>