forms - ng-submit 不会阻止提交

Question

SO上有很多类似的问题。我已经经历了很多，但没有发现我的问题。

我有一个使用 ng-submit 的表单.不幸的是，即使表单无效，按 Enter 或单击提交也能工作。 ng-submit方法被调用。

CodePen 示例:http://codepen.io/calendee/pen/tgFhq

<form name="testForm" novalidate ng-submit="submit()">

  <label for="firstname">First Name:</label>
  <input type="text" name="firstname" ng-model="data.firstname" required="true" ng-minlength="4" ng-maxlength="10">

    <div class="errors">
      <p>firstname Errors:</p>
      <p ng-show="testForm.firstname.$error.required">firstname is required</p>
      <p ng-show="testForm.firstname.$error.minlength">firstname is too short</p>
      <p ng-show="testForm.firstname.$error.maxlength">firstname is too long</p>
    </div>              

    <label for="lastname">Last Name:</label>
      <input type="text" name="lastname" ng-model="data.lastname" ng-required="true" ng-minlength="4" ng-maxlength="10">

    <div class="errors">
      <p>lastname Errors:</p>
      <p ng-show="testForm.lastname.$error.required">lastname is required</p>
      <p ng-show="testForm.lastname.$error.minlength">lastname is too short</p>
      <p ng-show="testForm.lastname.$error.maxlength">lastname is too long</p>
    </div>              


  <button class="button button-balanced" type="submit">Submit</button>

</form>

如果我更改表单 ng-form即使表单有效，提交事件也根本不起作用。

CodePen 示例: http://codepen.io/calendee/pen/imJdc

<ng-form name="testForm" novalidate ng-submit="submit()">

  <label for="firstname">First Name:</label>
  <input type="text" name="firstname" ng-model="data.firstname" required="true" ng-minlength="4" ng-maxlength="10">

    <div class="errors">
      <p>firstname Errors:</p>
      <p ng-show="testForm.firstname.$error.required">firstname is required</p>
      <p ng-show="testForm.firstname.$error.minlength">firstname is too short</p>
      <p ng-show="testForm.firstname.$error.maxlength">firstname is too long</p>
    </div>              

    <label for="lastname">Last Name:</label>
      <input type="text" name="lastname" ng-model="data.lastname" ng-required="true" ng-minlength="4" ng-maxlength="10">

    <div class="errors">
      <p>lastname Errors:</p>
      <p ng-show="testForm.lastname.$error.required">lastname is required</p>
      <p ng-show="testForm.lastname.$error.minlength">lastname is too short</p>
      <p ng-show="testForm.lastname.$error.maxlength">lastname is too long</p>
    </div>              


  <button class="button button-balanced" type="submit">Submit</button>

</ng-form>

有人对我在这里做错了什么有什么建议吗？

Answer 1

您可以使用内置属性 $valid :

<form name="testForm" novalidate ng-submit="testForm.$valid && submit()">

提交函数仅在 testForm.$valid 时调用是真的。

我在本教程中学到了它: https://www.codeschool.com/courses/shaping-up-with-angular-js .