我有一个类似的代码,如下面的注册表单所示。在这个例子中,电子邮件的值是预加载的,因此没有显示错误。但我怎么能避免错误时,有没有预载值,换句话说,如果值是空的,如:angularJS在值为空时避免出现错误消息
$scope.Email = {valor:""};
Here是例如:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Example - example-example59-production</title>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.5.0-beta.1/angular.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.5.0-beta.1/angular-animate.js"></script>
</head>
<body ng-app="formExample">
<script>
angular.module('formExample', [])
.controller('FormController', ['$scope',
function($scope) {
$scope.Email = {
valor: "[email protected]"
};
}
]);
</script>
<style>
.my-form {
transition: all linear 0.5s;
background: transparent;
}
.my-form.ng-invalid {
background: red;
}
</style>
<form name="myForm" ng-controller="FormController">
Email:
<input name="input" ng-model="Email.valor" required class="my-form">
<span class="error" ng-show="myForm.input.$error.required">Required!</span>
<br>
<code>userType = {{Email.valor}}</code>
<br>
<code>myForm.input.$valid = {{myForm.input.$valid}}</code>
<br>
<code>myForm.input.$error = {{myForm.input.$error}}</code>
<br>
<code>myForm.$valid = {{myForm.$valid}}</code>
<br>
<code>myForm.$error.required = {{!!myForm.$error.required}}</code>
<br>
</form>
</body>
</html>
您是否故意验证电子邮件页面加载出于任何原因?或者是你设计你的代码的方式的副作用? –
哦,我刚刚意识到你从[documentation](https://docs.angularjs.org/api/ng/directive/form)复制了确切的示例......你有什么尝试,哪些不起作用? –