Fix:4462 【旅居商城小程序】订单-申请退款页面，退款原因修改为必填项

pkg_product/views/sojoumOrderRefund.vue

@@ -37,7 +37,7 @@
     </view>
 
     <!-- 其他原因输入框 -->
-    <view class="other-reason-section v12-mt-3">
+    <view class="other-reason-section v12-mt-3" v-if="selectedReason === '其他'">
       <view class="other-reason-title">其他个人原因</view>
       <textarea 
         class="reason-input"
@@ -102,7 +102,21 @@ export default {
       const refundData = {
         orderId: this.key,
         refundReasonWap: this.selectedReason,
-        refundReasonWapExplain: this.otherReason
+        refundReasonWapExplain: this.selectedReason === '其他' ? this.otherReason : ''
+      }
+      if(!this.selectedReason) {
+        uni.showToast({
+          title: '请选择退款原因',
+          icon: 'none'
+        })
+        return
+      }
+      if(this.selectedReason === '其他' && !this.otherReason) {
+        uni.showToast({
+          title: '请输入其他退款原因',
+          icon: 'none'
+        })
+        return
       }
       uni.showLoading({
         title: '加载中...',