gpt4 book ai didi

javascript - Angularjs 验证 : Require at least one input from a list

转载 作者:太空狗 更新时间:2023-10-29 16:52:26 25 4
gpt4 key购买 nike

我正在尝试使用 Angularjs 验证在列表中的至少一个输入被填充时启用按钮。我正在处理的内容类似于以下 w3schools 示例:

<head>
<script src= "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
</head>

<body>
<h2>Validation Example</h2>

<form ng-app="myApp" ng-controller="validateCtrl" name="myForm" novalidate>

<p>Username:<br>
<input type="text" name="user" ng-model="user" required>
<span style="color:red" ng-show="myForm.user.$dirty && myForm.user.$invalid">
<span ng-show="myForm.user.$error.required">Username is required.</span>
</span>
</p>

<p>Email:<br>
<input type="email" name="email" ng-model="email" required>
<span style="color:red" ng-show="myForm.email.$dirty && myForm.email.$invalid">
<span ng-show="myForm.email.$error.required">Email is required.</span>
<span ng-show="myForm.email.$error.email">Invalid email address.</span>
</span>
</p>

<p>
<input type="submit" ng-disabled="myForm.user.$dirty && myForm.user.$invalid || myForm.email.$dirty && myForm.email.$invalid>"
</p>

</form>

<script>
var app = angular.module('myApp', []);
app.controller('validateCtrl', function($scope) {
$scope.user = 'John Doe';
$scope.email = 'john.doe@gmail.com';
});
</script>

</body>

我尝试添加一个包含两个带有“必需”标签的输入的 div,但无济于事:

<div name="address" ng-model="address" required>
<input name="address1" ng-model="address1">
<input name="address2" ng-model="address2">

使用 Angular 验证执行此操作的最佳方法是什么?

最佳答案

ng-required 指令可以帮助您满足类似条件的需求。

例如:

<div name="addresses">
<input name="address1" ng-model="address1" ng-required="!address2">
<input name="address2" ng-model="address2" ng-required="!address1">
</div>

关于javascript - Angularjs 验证 : Require at least one input from a list,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29486891/

25 4 0
Copyright 2021 - 2024 cfsdn All Rights Reserved 蜀ICP备2022000587号
广告合作:1813099741@qq.com 6ren.com