[英]redirecting user to different page after pressing submit using vue.js
我試圖在用戶輸入正確的用戶信息后將用戶重定向到不同的頁面,然后使用(window.location.href)按下提交按鈕進行重定向,但在提交表單后頁面不斷重新加載
<form id="login" method="post">
<h1>Login students</h1>
<label for ="username">username:</label>
<input required type="username" id="username" v-model="username">
<br><br>
<label for="password">password: </label>
<input required type="password" id="password" v-model='password'>
<br><br>
<button v-on:click='onSubmit'>submit</button>
</form>
var loginApp = new Vue({
el: '#login',
data: {
username: '',
password: '',
},
methods: {
onSubmit: function () {
// check if the email already exists
var users = '';
var newUser = this.username;
var passcheck = this.password;
if (localStorage.getItem('users')) { // 'users' is an array of objects
users = JSON.parse(localStorage.getItem('users'));
}
if (users) {
if (users.some(function (user) {
return user.username === newUser & user.password === passcheck
})) {
//alert('Welcome back-' + newUser);
//window.location.href = '<index.html>' + '' + newUser;
window.location.href = "index.html";
} else {
alert('Incorrect username or password');
}
}
}
}
});
問題在於<form id="login" method="post">
該表單沒有定義動作,因此它使瀏覽器刷新。
您需要通過表單元素阻止默認操作
<form v-on:submit.prevent>
或通過您的 onsubmit 處理程序:
methods: {
onSubmit: function (e) {
e.preventDefault()
//...
}
}
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