wanzb_xcx/pages/user/user.wxml

<view class="bg">
    <image style="width:100%;height:15vh;" mode="scaleToFill" src="../images/my_bg.png"></image>
      <view class="info">
        <view class='avatar'>
            <open-data  type="userAvatarUrl"></open-data>
        </view>
        <view class="name">
            <open-data  type="userNickName"></open-data>
            <view  wx:if='{{userInfo.id}}'>代码：{{usercode}}</view>
            <view wx:else style="margin-top:20rpx;">欢迎来到湖南顽主杯实盘大赛</view>
        </view>
      </view>
      <navigator wx:if='{{userInfo.id}}' class="item" url="../game/game">
          参赛数据  <image mode="widthFix" src="../images/right_icon.png"></image>
      </navigator>
      <navigator  wx:if='{{userInfo.id}}' class="item" url="../aboutus/aboutus">
          关于我们  <image mode="widthFix" src="../images/right_icon.png"></image>
      </navigator>
      <navigator  wx:if='{{userInfo.id}}' class="item" bindtap="logout">
          退出登陆  <image mode="widthFix" src="../images/right_icon.png"></image>
      </navigator>

      <view class="login"  wx:if='{{!userInfo.id}}' >
        <input bindinput='inputchange' placeholder="请输入您的代码" value="{{usercode}}"></input>
        <button bindtap="login">登录</button>
      </view>
</view>