如果满足某些条件,我需要对表单字段进行验证。假设我的表单如下:
<div ng-controller="MyController">
<form name="myForm">
<div>
<div class="" ng-class="{error: myForm.gender.$invalid}">
Gender:
</div>
Male <input type="radio" name="gender" value="M" ng-model="survey.gender" required/>
Female <input type="radio" name="gender" value="F" ng-model="survey.gender" required/>
</div>
<div ng-show="survey.gender == 'F'">
<div class="">
Are you pregnant?
</div>
Yes <input type="radio" name="pregnant" value="Y" ng-model="survey.pregnant"/>
No <input type="radio" name="pregnant" value="N" ng-model="survey.pregnant"/>
</div>
</form>
</div>
如果用户选择女性性别,我希望怀孕问题成为必填项。Angular是否提供了这种验证方式?