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我希望在单击提交按钮后检查是否存在以输入形式写入的内容,如果不是ng-class将跨度颜色更改为红色。我想只有submittion不是所有的时间后,有红色,这里是链接:Angular JS ng单击验证
<form name="myForm" validate class="form-horizontal">
<div class="control-group" >
<label ng-class="{bad: (myForm.name.$invalid && myForm.name.$pristine) }" >Name:</label>
<input type="text" name="name" placeholder="Name" ng-model="user.name" required/>
<span ng-show="isInvalid('name')" class="help-inline">Name is required</span>
<span ng-show="isValid('name')">Great!</span>
</div>
<button type="submit">SUB</button>
</form>
http://plnkr.co/edit/m3dqBnpPenbY65xa3PXH?p=preview
谢谢你,非常有助于 –