在搜索框里加点击事件不好使的解决方法

1、不好使情况1：

<label class="item item-input">

  <i class="icon ion-ios-locked-outline placeholder-icon"></i>

  <input type="tel" placeholder="验证码">

  <button class="button button-positive button-small" ng-click="sendCode()">获取验证码</button>

</label>

2、不好使情况2：

<label class="item item-input">

  <i class="icon ion-ios-locked-outline placeholder-icon"></i>

  <input type="tel" placeholder="验证码">

  <a class="button button-positive button-small" ng-click="sendCode()">获取验证码</a>

</label>

3、好使情况：

<div class="item item-input">

  <i class="icon ion-ios-locked-outline placeholder-icon"></i>

  <input type="tel" placeholder="验证码">

  <button class="button button-positive button-small" ng-click="sendCode()">获取验证码</button>

</div>