后端键盘错误提示

pages/components/landkeybord/landkeybord.acss

@@ -137,3 +137,14 @@
     font-size: 24rpx;
     color: white
 }
+
+/* 错误提示 */
+
+.err-msg {
+    font-size: 22rpx;
+    font-family: PingFangSC-Medium, PingFang SC;
+    font-weight: 500;
+    color: rgba(249, 97, 70, 1);
+    line-height: 30rpx;
+    margin-top: 10rpx
+}
\ No newline at end of file

pages/components/landkeybord/landkeybord.axml

@@ -14,6 +14,7 @@
       </view>
     </view>
     <view class="result-baseline">
+    <text class="err-msg"  a:if="{{errMsg != ''}}">{{errMsg}}</text>
     </view>
   </view>
   <view class="keybord-right">

pages/components/landkeybord/landkeybord.js

@@ -3,14 +3,15 @@ Component({
   data: {
     result: "",
     scenes: 2,
-
-
+    errMsg:"" 
   },
 
   props: {
 
     //场景 1.输入商品码 2.会员 3.收款  4.退款
     scene: 1,
+    //错误提示
+    errMsg:''
 
   },
   didMount() { },
@@ -22,6 +23,7 @@ Component({
     if (nextProps.scene == 0) {
       this.setData({
         result: '',
+        errMsg:'',
       });
     }