answer-mini/wechat-app/static/vant/field/index.wxml

<wxs src="../wxs/utils.wxs" module="utils" />
<wxs src="./index.wxs" module="computed" />

<van-cell
  size="{{ size }}"
  icon="{{ leftIcon }}"
  center="{{ center }}"
  border="{{ border }}"
  is-link="{{ isLink }}"
  required="{{ required }}"
  clickable="{{ clickable }}"
  title-width="{{ titleWidth }}"
  title-style="margin-right: 12px;"
  custom-style="{{ customStyle }}"
  arrow-direction="{{ arrowDirection }}"
  custom-class="van-field"
  title-class="label-class"
>
  <slot name="left-icon" slot="icon" />
  <view wx:if="{{ label }}" class="{{ utils.bem('field__label', { disabled }) }}" slot="title">
    {{ label }}
  </view>
  <slot wx:else name="label" slot="title" />
  <view class="{{ utils.bem('field__body', [type]) }}">
    <textarea
      wx:if="{{ type === 'textarea' }}"
      class="input-class {{ utils.bem('field__input', [inputAlign, type, { disabled, error }]) }}"
      fixed="{{ fixed }}"
      focus="{{ focus }}"
      cursor="{{ cursor }}"
      value="{{ innerValue }}"
      auto-focus="{{ autoFocus }}"
      disabled="{{ disabled || readonly }}"
      maxlength="{{ maxlength }}"
      placeholder="{{ placeholder }}"
      placeholder-style="{{ placeholderStyle }}"
      placeholder-class="{{ utils.bem('field__placeholder', { error, disabled }) }}"
      auto-height="{{ !!autosize }}"
      style="{{ computed.inputStyle(autosize) }}"
      cursor-spacing="{{ cursorSpacing }}"
      adjust-position="{{ adjustPosition }}"
      show-confirm-bar="{{ showConfirmBar }}"
      hold-keyboard="{{ holdKeyboard }}"
      selection-end="{{ selectionEnd }}"
      selection-start="{{ selectionStart }}"
      disable-default-padding="{{ disableDefaultPadding }}"
      bindinput="onInput"
      bindblur="onBlur"
      bindfocus="onFocus"
      bindconfirm="onConfirm"
      bindlinechange="onLineChange"
      bindkeyboardheightchange="onKeyboardHeightChange"
    >
    </textarea>
    <input
      wx:else
      class="input-class {{ utils.bem('field__input', [inputAlign, { disabled, error }]) }}"
      type="{{ type }}"
      focus="{{ focus }}"
      cursor="{{ cursor }}"
      value="{{ innerValue }}"
      auto-focus="{{ autoFocus }}"
      disabled="{{ disabled || readonly }}"
      maxlength="{{ maxlength }}"
      placeholder="{{ placeholder }}"
      placeholder-style="{{ placeholderStyle }}"
      placeholder-class="{{ utils.bem('field__placeholder', { error }) }}"
      confirm-type="{{ confirmType }}"
      confirm-hold="{{ confirmHold }}"
      hold-keyboard="{{ holdKeyboard }}"
      cursor-spacing="{{ cursorSpacing }}"
      adjust-position="{{ adjustPosition }}"
      selection-end="{{ selectionEnd }}"
      selection-start="{{ selectionStart }}"
      password="{{ password || type === 'password' }}"
      bindinput="onInput"
      bindblur="onBlur"
      bindfocus="onFocus"
      bindconfirm="onConfirm"
      bindkeyboardheightchange="onKeyboardHeightChange"
    />
    <van-icon
      wx:if="{{ showClear }}"
      name="clear"
      class="van-field__clear-root van-field__icon-root"
      catch:touchstart="onClear"
    />
    <view class="van-field__icon-container" bind:tap="onClickIcon">
      <van-icon
        wx:if="{{ rightIcon || icon }}"
        name="{{ rightIcon || icon }}"
        class="van-field__icon-root {{ iconClass }}"
        custom-class="right-icon-class"
      />
      <slot name="right-icon" />
      <slot name="icon" />
    </view>
    <view class="van-field__button">
      <slot name="button" />
    </view>
  </view>
  <view wx:if="{{ showWordLimit && maxlength }}" class="van-field__word-limit">
    <view class="{{ utils.bem('field__word-num', { full: value.length >= maxlength }) }}">{{ value.length }}</view>/{{ maxlength }}
  </view>
  <view wx:if="{{ errorMessage }}" class="{{ utils.bem('field__error-message', [errorMessageAlign, { disabled, error }]) }}">
    {{ errorMessage }}
  </view>
</van-cell>