haowanShow/miniprogram/dist/textarea/index.wxml

<!--  input/input.wxml -->
<label class='form-item {{disabled? "disabled": ""}}   l-class '>
  <view class='default-border {{border? "border": ""}}'>
    <view class='mask' wx:if="{{disabled}}"></view>
    <!-- 小程序表单组件 -->
    <textarea
      class=" textarea"
      type="{{type}}"
      value="{{ value }}"
      password="{{type==='password'}}"
      placeholder="{{placeholder}}"
      maxlength="{{maxlength}}"
      placeholder-class="pls-class"
      placeholder-style="{{placeholderStyle}}"
      disabled="{{disabled}}"
      focus="{{focus}}"
      auto-height="{{autoHeight}}"
      bindinput="handleInputChange"
      bindfocus="handleInputFocus"
      bindblur="handleInputBlur"
      bindconfirm="handleInputConfirm"
      />
      <view
        class="indicator"
        wx:if="{{indicator}}">{{value.length + '/' +  maxlength}}</view>
  </view>
</label>