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我希望在單擊提交按鈕後檢查是否存在以輸入形式寫入的內容,如果不是ng-class將跨度顏色更改爲紅色。我想只有submittion不是所有的時間後,有紅色,這裏是鏈接:Angular JS ng單擊驗證
<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
謝謝你,非常有助於 –