ng-trim

ng-trim

去掉前后空格 ，默认为false

<input type="text" name="" value="" ng-trim ng-model='a'>
等价于
<input type="text" name="" value="" ng-trim='true' ng-model='a'>

<div ng-app='test' ng-controller='con1'>
    <form  action="a.php" method="post">
      <input type="text" name="" value="" ng-trim ng-model='a'>
      <input type="text" name="aa" value="">
      <input type="submit" name="" value="提交">
    </form>
    {{a}}
   </div>