<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>登录方式的切换</title>
</head>
<body>
<div id="app">
<template v-if="loginType==='email'">
<label>邮箱</label>
<input type="text" placeholder="请输入邮箱号" />
</template>
<template v-else-if="loginType==='phone'">
<label>手机号</label>
<input type="text" placeholder="请输入手机号" />
</template>
<button @click="btn">切换</button>
</div>
<script src="vue.js"></script>
<script>
new Vue({
el: "#app",
data: {
loginType: 'email'
},
methods: {
btn: function() {
console.log(this.loginType)
// 第一种方式
//this.loginType = (this.loginType === "email") ? 'phone' : 'email';
//第二方式
if (this.loginType == 'email') {
this.loginType = 'phone'
} else {
this.loginType = 'email'
}
return this.loginType;
}
}
})
</script>
</body>
</html>