<view class="settungScreen">            <label>用户名</label>            <input bindinput="bindNameInput" placeholder='请输入用户名' value="{{username}}"></input>            <label>密码</label>            <input id="psw" bindinput="bindPWInput" password type="text" placeholder='请输入密码' value="{{password}}"></input>           </view>           <view wx:if="{{msg}}" class="msg-input">{{msg}}</view>         </view>         <button class='btn_nextStep' bindtap="onSubmit">确 定</button> bindPWInput(e){     this.setData({       password:e.detail.value,     })   },   bindNameInput(e){     this.setData({       username:e.detail.value,     })   },   // 登录   onSubmit:function(){     httpservice.login(this.data.username,this.data.password, this.openHomePage);   }, 使用的是vivoiqoo进行测试的焦点不能失去 用huawei的机子是好的