<view class="mimabox">
    <view class="mimaitem">
      <input placeholder='旧密码' placeholder-class='mimaword' value="{{oldpassword}}" bindinput="enterold" type="password"/>
    </view>
     <view class="mimaitem">
      <input placeholder='新密码' placeholder-class='mimaword' value="{{newpassword}}" bindinput="enternew" type="password"/>
    </view>
     <view class="mimaitem">
      <input placeholder='请确认' placeholder-class='mimaword' value="{{surepassword}}" bindinput="quenew" type="password"/>
    </view>
</view>

<view class="tijiao" wx:if="{{sure}}">确认</view>
<view class="tijiao queti" wx:else>确认</view>