fix(pl): 隔离同合同产品加载请求并允许失败后重新选择。

web-admin/src/views/pl/quota-cert/index.vue

@@ -300,9 +300,8 @@
                 <el-select
                   multiple
                   :model-value="row.products.map((p: any) => p.contractProductId)"
-                  :disabled="
-                    saving || form.bindingsEditable === false || !bindingProducts[row.contractId]
-                  "
+                  :disabled="saving || form.bindingsEditable === false"
+                  :loading="bindingProductLoading[row.contractId]"
                   placeholder="勾选适用产品"
                   style="width: 100%"
                   @change="(ids: string[]) => setBindingProducts($index, ids)"
@@ -312,6 +311,7 @@
                     v-for="product in bindingProductOptions(row)"
                     :key="product.id"
                     :value="product.id"
+                    :disabled="bindingProductLoading[row.contractId]"
                     :label="
                       product.productName +
                       (product.model ? ' / ' + product.model : '') +
@@ -611,6 +611,8 @@
   const bindingContracts = ref<ContractOption[]>([])
   const bindingProducts = ref<Record<string, ContractProduct[]>>({})
   const bindingSearching = ref(false)
+  const bindingProductEpochs = new Map<string, number>()
+  const bindingProductLoading = ref<Record<string, boolean>>({})
   const removedBindings = new Map<string, CertificateContractBinding>()
   const originalScopes = new Map<string, CertificateContractBinding['products']>()
   function bindingContractLabel(id: string) {
@@ -654,16 +656,25 @@
   }
   async function loadBindingProducts(contractId: string) {
     const session = editSession
-    const result = await quotaCertApi.products(contractId)
-    if (
-      session !== editSession ||
-      !formVisible.value ||
-      !form.value.contractBindings?.some(
+    const current = (bindingProductEpochs.get(contractId) || 0) + 1
+    bindingProductEpochs.set(contractId, current)
+    bindingProductLoading.value[contractId] = true
+    const isCurrent = () =>
+      session === editSession &&
+      current === bindingProductEpochs.get(contractId) &&
+      formVisible.value &&
+      form.value.contractBindings?.some(
         (b: CertificateContractBinding) => b.contractId === contractId
       )
-    )
-      return
-    bindingProducts.value = { ...bindingProducts.value, [contractId]: result }
+    try {
+      const result = await quotaCertApi.products(contractId)
+      if (!isCurrent()) return
+      bindingProducts.value = { ...bindingProducts.value, [contractId]: result }
+    } catch {
+      // 请求层已提示错误；允许再次打开产品下拉重试。
+    } finally {
+      if (isCurrent()) bindingProductLoading.value[contractId] = false
+    }
   }
   function addContractBinding(contractId: string) {
     if (
@@ -685,10 +696,17 @@
     if (saving.value || form.value.bindingsEditable === false) return
     const [removed] = form.value.contractBindings.splice(index, 1)
     removedBindings.set(removed.contractId, removed)
+    bindingProductEpochs.set(
+      removed.contractId,
+      (bindingProductEpochs.get(removed.contractId) || 0) + 1
+    )
+    delete bindingProducts.value[removed.contractId]
+    delete bindingProductLoading.value[removed.contractId]
   }
   function setBindingProducts(index: number, ids: string[]) {
     if (saving.value || form.value.bindingsEditable === false) return
     const binding = form.value.contractBindings[index] as CertificateContractBinding
+    if (bindingProductLoading.value[binding.contractId]) return
     const previous = [...binding.products, ...(originalScopes.get(binding.contractId) || [])]
     binding.products = ids.map(
       (id) =>
@@ -747,6 +765,8 @@
     recognitionImage.value = ''
     bindingContracts.value = contracts
     bindingProducts.value = {}
+    bindingProductLoading.value = {}
+    bindingProductEpochs.clear()
     bindingSearching.value = false
     originalScopes.clear()
     removedBindings.clear()
@@ -809,6 +829,8 @@
       }
       bindingContracts.value = []
       bindingProducts.value = {}
+      bindingProductLoading.value = {}
+      bindingProductEpochs.clear()
       bindingSearching.value = false
       originalScopes.clear()
       removedBindings.clear()