AcidificationModel/shoping/EditProfile/EditProfile.wxml

<view class="container">
  <!-- 昵称 -->
  <view class="form-item">
    <text class="label">昵称：</text>
    <input class="input" 
           value="{{userInfo.nickName}}" 
           bindinput="onNicknameChange" 
           placeholder="请输入昵称" 
           wx:if="{{!userInfo.username}}" /> <!-- 只有用户名为空时，才显示昵称输入框 -->
  </view>

  <!-- 用户名 -->
  <view class="form-item">
    <text class="label">用户名：</text>
    <input class="input" 
           value="{{userInfo.username}}" 
           bindinput="onUsernameChange" 
           placeholder="请输入用户名" 
           wx:if="{{!userInfo.nickName}}" /> <!-- 只有昵称为空时，才显示用户名输入框 -->
  </view>

  <!-- 头像 -->
  <view class="form-item">
    <text class="label">头像：</text>
    <image class="avatar" src="{{userInfo.avatarUrl}}" bindtap="chooseAvatar" />
  </view>
  
  <!-- 密码 -->
  <view class="form-item">
    <text class="label">密码：</text>
    <input class="input" type="password" value="{{userInfo.password}}" bindinput="onPasswordChange" placeholder="请输入密码" />
  </view>

  <!-- 保存按钮 -->
  <button class="submit-btn" bindtap="submitForm">保存</button>
</view>