我无法获得ng-if包装的输入值
这是HTML代码

<div ng-controller="Home">
    <form ng-submit="startChat(visitor)" >
        <div class="lkv_getting">
            <div ng-if="formsetting.name == true">
                <input required ng-class="lkv_name_class" ng-model="visitor.name" id="lkv_name" name="lkv_name" type="text" class="lkv_input" placeholder="Nhập họ tên" />
            </div>
            <textarea required maxlength="100" placeholder="Gõ tin nhắn!!" ng-model="visitor.msg" id="message_input" name="lkv_message_input"></textarea>
            <button class="lkv_button" type="submit" id="lkv_start" title="Message">Bắt đầu</button>
        </div>
    </form>
</div>


和控制器

$scope.startChat = function (visitor) {

    var user = visitor.name; // the value is undefine
    var msg = visitor.msg; // but this one has value
};


有人可以帮助我吗?提前致谢

最佳答案

使用ng-if时,如果formsetting.name等于false,则不会呈现DOM元素。这意味着您将无法取回输入值,因为它们将不会呈现到DOM。请检查formsetting.name确实为true或在控制器中初始化为true(如果对您有意义)。如果formsetting.name可以更改值,则可能要使用ng-show代替。使用ng-show会将元素绘制到DOM,但将它们隐藏起来,以便您仍然可以访问它们。

07-24 09:38
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