修复：修复下单可多次点击支付按钮问题；允许积分支付小数；

components/order/Confirm.vue

@@ -67,7 +67,7 @@
         <view class="points-input-box">
           <input
             v-model="pointsDiscounted"
-            type="number"
+            type="digit"
             clearable
             :placeholder="$t('order.pointsPlaceholder')"
             class="text-right"
@@ -90,7 +90,7 @@
         <text class="label">{{ $t('order.total') }}：</text>
         <text class="amount">{{ finalAmount }} {{ t('global.coin') }}</text>
       </view>
-      <wd-button type="primary" @click="handleSubmit">
+      <wd-button type="primary" :loading="submitLoading" @click="handleSubmit">
         {{ $t('order.submit') }}
       </wd-button>
     </view>
@@ -128,6 +128,7 @@ import { getUserInfo } from '@/api/modules/user'
 import { useUserStore } from '@/stores/user'
 import { t } from '@/utils/i18n'
 import type { IGoods, IGoodsDiscountParams } from '@/types/order'
+import type { IUserInfo } from '@/types/user'
 import PayWay from '@/components/order/PayWay.vue'
 
 const userStore = useUserStore()
@@ -135,14 +136,13 @@ const userStore = useUserStore()
 // 使用页面传参
 interface Props {
   goodsList: IGoods[],
-  userInfo: object,
+  userInfo: IUserInfo,
   allowPointPay?: boolean,
   orderType?: string,
   backStep?: number // 购买完成后返回几层页面
 }
 const props = withDefaults(defineProps<Props>(), {
   goodsList: () => [],
-  userInfo: () => ({}),
   allowPointPay: true,
   orderType: 'order',
   backStep: 1
@@ -270,13 +270,24 @@ const calculatePromotionDiscounted = async () => {
 const handlePointsInput = (value: any) => {
   let val = String(value.detail.value)
   
-  // 只允许数字字符，去掉小数点
-  val = val.replace(/[^0-9]/g, '')
+  // 允许数字字符和小数点
+  val = val.replace(/[^0-9.]/g, '')
   
-  if (val === '0' || val === '') {
+  // 确保只有一个小数点
+  const dotIndex = val.indexOf('.')
+  if (dotIndex !== -1) {
+    // 限制小数点后最多两位
+    val = val.substring(0, dotIndex + 1) + val.substring(dotIndex + 1).replace(/\./g, '')
+    const decimalPart = val.substring(dotIndex + 1)
+    if (decimalPart.length > 2) {
+      val = val.substring(0, dotIndex + 1) + decimalPart.substring(0, 2)
+    }
+  }
+  
+  if (val === '' || val === '.') {
     pointsDiscounted.value = 0
   } else {
-    let numericValue = parseInt(val, 10)
+    let numericValue = parseFloat(val)
     if (numericValue < 0 || isNaN(numericValue)) {
       numericValue = 0
     }
@@ -316,7 +327,7 @@ const calculateFinalPrice = () => {
   const orderAmountAfterDiscount = totalAmount.value - promotionDiscounted.value - vipDiscounted.value - couponAmount
   pointsUsableMax.value = Math.min(
     props?.userInfo?.jf || 0,
-    Math.floor(props.allowPointPay ? orderAmountAfterDiscount : 0)
+    props.allowPointPay ? orderAmountAfterDiscount : 0
   )
 
   pointsDiscounted.value = pointsUsableMax.value
@@ -362,28 +373,37 @@ const validateOrder = (): boolean => {
 /**
  * 提交订单
  */
-const handleSubmit = async () => {  
+const submitLoading = ref<boolean>(false)
+const handleSubmit = async () => {
   // 验证订单
   if (!validateOrder()) return
+  submitLoading.value = true
 
-  // 创建订单 此app用天医币支付，创建订单成功即支付成功
-  await createOrder()
+  try {
+    // 创建订单 此app用天医币支付，创建订单成功即支付成功
+    await createOrder()
 
-  // 重新获取用户信息更新store和本地缓存
-  const res = await getUserInfo()
-  userStore.setUserInfo(res.result)
+    // 重新获取用户信息更新store和本地缓存
+    const res = await getUserInfo()
+    userStore.setUserInfo(res.result)
 
-  uni.showToast({
-    title: t('order.orderSuccess'),
-    icon: 'success'
-  })
-
-  // 返回上一页
-  setTimeout(() => {
-    uni.navigateBack({
-      delta: props.backStep
+    uni.showToast({
+      title: t('order.orderSuccess'),
+      icon: 'success'
     })
-  }, 500)
+
+    // 返回上一页
+    setTimeout(() => {
+      uni.navigateBack({
+        delta: props.backStep
+      })
+    }, 500)
+  } catch (error) {
+    console.error('提交订单失败:', error)
+  } finally {
+    // 无论成功还是失败，都要重置loading状态
+    submitLoading.value = false
+  }
 }
 
 /**