javascript - Bootstrap twitter 3.0 和 knockoutjs 验证

Question

使用 Twitter Bootstrap 验证类，例如has-error 或 has-warning 需要放在包装 form-group 元素上，以便设置输入元素及其标签的样式。但是 Knockout-Validation 将类添加到输入元素。

<div class="form-group has-error">
    <label class="control-label">Input with error</label>
    <input type="text" class="form-control">
</div>

是否可以通过将类添加到 div 而不是 input 的方式来配置 Knockout-Validation？

Answer 1

thebringking 的回答不会让您一路走下去。您还需要指定 errorMessageClass 和 decorateInputElement 选项。

ko.validation.init({
  errorElementClass: 'has-error',
  errorMessageClass: 'help-block',
  decorateInputElement: true
});

var viewModel = ko.validatedObservable({
  name: ko.observable().extend({
    required: true
  }),
  email: ko.observable().extend({
    required: true,
    email: true
  }),
  submit: function() {

    if (!this.isValid()) {
      this.errors.showAllMessages();
    } else {
      alert('good job');
    }
  }
});

ko.applyBindings(viewModel);

<link href="http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.2/css/bootstrap.min.css" rel="stylesheet" />


<div class="container">
  <form class="form-horizontal">
    <div class="form-group" data-bind="validationElement: name">
      <label class="control-label col-xs-2" for="name">Name</label>
      <div class="col-xs-10">
        <input id="name" class="form-control" type="text" data-bind="textInput: name" />
      </div>
    </div>
    <div class="form-group" data-bind="validationElement: email">
      <label class="control-label col-xs-2" for="email">Email</label>
      <div class="col-xs-10">
        <input id="email" class="form-control" type="text" data-bind="textInput: email" />
      </div>
    </div>
    <div class="form-group">
      <div class="col-xs-offset-2 col-xs-10">
        <button type="submit" class="btn btn-primary" data-bind="click: submit">Submit</button>
      </div>
    </div>
  </form>
</div>


<script src="http://cdnjs.cloudflare.com/ajax/libs/knockout/3.3.0/knockout-min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/knockout-validation/2.0.3/knockout.validation.min.js"></script>