我使用ng-disabled将禁用属性添加到Anuglar应用程序的positalizecs按钮中,当特定输入的值要么是无效的或原始的,但是有一个错误是一个错误。当输入值有效,并立即突出显示和删除所有文本时,导致按钮仍可以启用。
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html:
<div input-field class="input-field col-xs-12 col-md-4">
<input id="niNumberInput" name="niNumber" type="text" class="validate" pattern=".{9}" placeholder="{{niNumber}}" data-ng-model="niNumber">
<label for="niNumberInput" data-error="National Insurance number must be 9 characters long">National Insurance Number</label>
</div>
<div input-field class="input-field col-xs-12 col-md-1">
<button data-ng-click="verifyNINumber()" data-ng-disabled="mainDetailsForm.niNumber.$invalid || mainDetailsForm.niNumber.$pristine" class="btn button waves-effect"><span class="fa fa-search"></span>Verify</button>
</div>
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jsfiddle:https://jsfiddle.net/6qswosh8/2/。
您可以将required
添加到input
元素:
<input id="niNumberInput" name="niNumber" type="text" class="validate"
pattern=".{9}" placeholder="{{niNumber}}" data-ng-model="niNumber" required>
您应该将所需属性添加到NinumberInput。
通过添加所需的属性Angular将检查输入字段是否为空白,如果它是空白的,则它将无效
<input id="niNumberInput" name="niNumberInput" ng-model="niNumberInput" type="text" class="validate" pattern=".{9}" placeholder="National Insurance Number" required>