尝试为表单中的复选框添加表单验证器,如果未选中该表单,则表单将ng-invalid
。
<li class="terms_checkbox"><input type="checkbox" id="checkbox_terms" name="terms" /><label for="checkbox_terms"></label></li>
<li class="accept">I have read and accept the terms and conditions</li>
如果未选中ng-invalid
可以触发添加{{1}}的任何建议,反之亦然。
答案 0 :(得分:8)
您需要做的就是在复选框上添加required
属性和ng-model,以便在表单验证期间进行检查。
<li class="terms_checkbox">
<input type="checkbox"
id="checkbox_terms" name="terms" ng-model="agreement" required />
<label for="checkbox_terms"></label>
</li>
angular.module('app', []).controller('ctrl', function($scope) {
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="app" ng-controller="ctrl">
<form name="form" novalidate>
<ul>
<li class="terms_checkbox">
<input type="checkbox" id="checkbox_terms" name="terms" ng-model="agreement" required />
<label for="checkbox_terms"></label>
</li>
<li class="accept">I have read and accept the terms and conditions</li>
<li>
<button ng-disabled="form.$invalid">Submit</button>
</li>
</ul>
</form>
</div>
答案 1 :(得分:1)
嗯,对于初学者来说,这不是一种形式。如果你想保留这个结构,你可以简单地在复选框上应用一个模型,并放置一个&#34;无效的&#34;属性有条件地取决于$scope.checked
的值,如下所示:
<ul>
<li class="terms_checkbox">
<input ng-model="checked" type="checkbox" id="checkbox_terms" name="terms" />
<label for="checkbox_terms"></label>
</li>
<li class="accept">I have read and accept the terms and conditions</li>
</ul>
但是,我建议在实际表单中包围它,并在复选框上放置required
属性。这个:
<form name="myForm">
<ul>
<li class="terms_checkbox">
<input type="checkbox" id="checkbox_terms" name="terms" required />
<label for="checkbox_terms"></label>
</li>
<li class="accept">I have read and accept the terms and conditions</li>
</ul>
</form>
现在,如果您检查$scope.myForm.$invalid
属性,它会通知您表单是否已经过验证。