diff --git a/inventory-web/src/api/scrap.ts b/inventory-web/src/api/scrap.ts
index 946c3b5..92e0bfd 100644
--- a/inventory-web/src/api/scrap.ts
+++ b/inventory-web/src/api/scrap.ts
@@ -94,10 +94,18 @@ export function approveScrapRequest(id: number, data: { action: 'approve' | 'rej
     })
 }
 
-// 9. 按单报废执行（扣减库存）
-export function executeScrapByRequest(id: number) {
+// 9. 按单报废执行（提交实扫明细，扣减库存）
+//    items 必须是该申请单批准明细的子集，且累计数量不得超过批准数量
+export function executeScrapByRequest(id: number, items: Array<{
+    source_table: string
+    stock_id: number
+    quantity: number
+    sku?: string
+    name?: string
+}>) {
     return request({
         url: `/v1/scrap/request/${id}/execute`,
-        method: 'post'
+        method: 'post',
+        data: { items }
     })
 }
diff --git a/inventory-web/src/router/index.ts b/inventory-web/src/router/index.ts
index 7b60018..2257144 100644
--- a/inventory-web/src/router/index.ts
+++ b/inventory-web/src/router/index.ts
@@ -261,7 +261,7 @@ const routes: Array<RouteRecordRaw> = [
                 path: 'create',
                 name: 'ScrapCreate',
                 component: () => import('@/views/operation/scrap/create.vue'),
-                meta: { title: '新建报废' }
+                meta: { title: '按单报废执行' }
             },
             {
                 path: 'apply',
diff --git a/inventory-web/src/views/operation/scrap/approval/index.vue b/inventory-web/src/views/operation/scrap/approval/index.vue
index 6bee467..cc8e85b 100644
--- a/inventory-web/src/views/operation/scrap/approval/index.vue
+++ b/inventory-web/src/views/operation/scrap/approval/index.vue
@@ -159,45 +159,18 @@
       </template>
     </el-dialog>
 
-    <!-- 按单报废执行 Dialog（严格按选单内容扣减） -->
-    <el-dialog v-model="executeVisible" title="按单报废（确认扣减库存）" width="760px" destroy-on-close>
-      <el-alert
-          type="warning" :closable="false" show-icon
-          title="确认后将严格按下列“选单明细”扣减对应库存行的可用数量并写入报废流水，不可撤销。"
-          style="margin-bottom:12px;"
-      />
-      <el-table :data="execItems" border size="small" max-height="340">
-        <el-table-column type="index" label="序号" width="60" align="center" />
-        <el-table-column label="来源" width="90" align="center">
-          <template #default="{ row: item }">
-            <el-tag size="small">{{ sourceLabel(item.source_table) }}</el-tag>
-          </template>
-        </el-table-column>
-        <el-table-column prop="name" label="名称" min-width="140" show-overflow-tooltip />
-        <el-table-column prop="spec_model" label="规格型号" min-width="120" show-overflow-tooltip />
-        <el-table-column prop="location" label="库位" width="110" />
-        <el-table-column prop="batch_number" label="批次/序列号" width="130" />
-        <el-table-column label="报废数量" width="100" align="center">
-          <template #default="{ row: item }">
-            <span style="color:#F56C6C;font-weight:bold;">{{ item.scrap_qty }}</span>
-          </template>
-        </el-table-column>
-      </el-table>
-      <template #footer>
-        <el-button @click="executeVisible = false">取消</el-button>
-        <el-button type="warning" :loading="executing" @click="confirmExecute">确认执行报废</el-button>
-      </template>
-    </el-dialog>
   </div>
 </template>
 
 <script setup lang="ts">
 import { ref, computed, onMounted } from 'vue'
+import { useRouter } from 'vue-router'
 import { Refresh, Warning } from '@element-plus/icons-vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { getScrapApprovals, approveScrapRequest, executeScrapByRequest } from '@/api/scrap'
+import { getScrapApprovals, approveScrapRequest } from '@/api/scrap'
 import { useUserStore } from '@/stores/user'
 
+const router = useRouter()
 const userStore = useUserStore()
 
 // --- 状态 ---
@@ -216,11 +189,6 @@ const currentRejectRow = ref<any>(null)
 const rejectReason = ref('')
 const rejectLoading = ref(false)
 
-// 执行 Dialog
-const executeVisible = ref(false)
-const executeRow = ref<any>(null)
-const execItems = ref<any[]>([])
-const executing = ref(false)
 
 const userNameCache = ref<Record<number, string>>({})
 
@@ -313,24 +281,9 @@ const confirmReject = async () => {
   } finally { rejectLoading.value = false }
 }
 
-// --- 按单报废执行（严格按选单明细） ---
+// --- 按单报废执行：跳转到「按单报废执行」扫码页，由实扫明细驱动扣减 ---
 const openExecute = (row: any) => {
-  executeRow.value = row
-  execItems.value = row.items || []
-  executeVisible.value = true
-}
-const confirmExecute = async () => {
-  if (!executeRow.value) return
-  executing.value = true
-  try {
-    await executeScrapByRequest(executeRow.value.id)
-    ElMessage.success('已执行报废并扣减库存')
-    executeVisible.value = false
-    await fetchData()
-  } catch (err: any) {
-    // 拦截器已弹后端业务错误；无响应才算网络异常
-    if (!err?.response) ElMessage.error('网络异常，请重试')
-  } finally { executing.value = false }
+  router.push({ path: '/scrap/create', query: { requestId: row.id } })
 }
 
 onMounted(() => { fetchData() })
diff --git a/inventory-web/src/views/operation/scrap/create.vue b/inventory-web/src/views/operation/scrap/create.vue
index aa7c7fb..a0fc30f 100644
--- a/inventory-web/src/views/operation/scrap/create.vue
+++ b/inventory-web/src/views/operation/scrap/create.vue
@@ -4,62 +4,163 @@
       <template #header>
         <div class="card-header">
           <div class="title-box">
-            <span>报废作业</span>
+            <span>按单报废执行</span>
             <el-tag v-if="cartItems.length > 0" type="danger" size="small" effect="dark">
-              已选 {{ cartItems.length }} 项
+              已扫 {{ cartItems.length }} 项
             </el-tag>
           </div>
         </div>
       </template>
 
-      <div class="scan-section">
-        <div v-if="hasPermission" class="camera-placeholder" @click="showCamera = true">
-          <el-icon :size="40" color="#409EFF"><CameraFilled /></el-icon>
-          <span class="text">点击开启全屏扫码</span>
+      <div class="mode-switch-bar">
+        <el-tag type="danger" size="large" style="font-size: 14px;">按单执行</el-tag>
+        <span class="mode-hint">请先选择已审批通过的报废申请单，再扫码报废</span>
+      </div>
+
+      <!-- Step 1：选择已批准的报废申请单 -->
+      <div class="approval-request-select">
+        <el-select
+            v-model="selectedRequestId"
+            placeholder="请选择已审批通过的报废申请单"
+            filterable
+            clearable
+            style="width: 100%"
+            :loading="requestsLoading"
+            @change="handleRequestChange"
+        >
+          <el-option
+              v-for="req in approvalRequests"
+              :key="req.id"
+              :value="req.id"
+              :label="req.request_no"
+          >
+            <span>{{ req.request_no }}</span>
+            <el-divider direction="vertical" />
+            <span>{{ req.applicant_name || '未知申请人' }}</span>
+            <el-divider direction="vertical" />
+            <span style="color: #909399; font-size: 13px">{{ req.remark || '无备注' }}</span>
+          </el-option>
+        </el-select>
+        <p class="select-tip">仅显示已通过（status=1）的报废申请单</p>
+      </div>
+
+      <!-- Step 2：待执行清单 -->
+      <div v-if="selectedRequest" class="planned-items-section">
+        <div class="planned-header">
+          <span class="planned-title">待执行报废清单</span>
+          <el-tag type="danger" size="small">{{ plannedItems.length }} 种</el-tag>
         </div>
-        <div v-else class="camera-placeholder" style="background-color: #f5f5f5; cursor: not-allowed;">
-          <el-icon :size="40" color="#909399"><CameraFilled /></el-icon>
-          <span class="text">无扫码权限</span>
+        <el-table :data="plannedItems" border size="small" style="width: 100%;">
+          <el-table-column type="index" label="序号" width="60" align="center" />
+          <el-table-column label="来源" width="80" align="center">
+            <template #default="{ row }">
+              <el-tag size="small" type="info">{{ sourceLabel(row.source_table) }}</el-tag>
+            </template>
+          </el-table-column>
+          <el-table-column prop="name" label="名称" min-width="120" show-overflow-tooltip />
+          <el-table-column prop="spec_model" label="规格" min-width="100" show-overflow-tooltip />
+          <el-table-column prop="sku" label="SKU" width="110" show-overflow-tooltip />
+          <el-table-column prop="location" label="库位" width="100" show-overflow-tooltip />
+          <el-table-column label="批准数量" width="90" align="center">
+            <template #default="{ row }">
+              <span style="color: #E6A23C; font-weight: bold;">{{ row.scrap_qty ?? '-' }}</span>
+            </template>
+          </el-table-column>
+          <el-table-column label="已扫" width="80" align="center">
+            <template #default="{ row }">
+              <span :style="{ color: scannedQtyOf(row) >= Number(row.scrap_qty) ? '#67C23A' : '#909399', fontWeight: 'bold' }">
+                {{ scannedQtyOf(row) }}
+              </span>
+            </template>
+          </el-table-column>
+        </el-table>
+      </div>
+
+      <div class="scan-section">
+        <!-- 扫码进度条 -->
+        <div v-if="selectedRequest && scanTotalQty > 0" class="scan-progress">
+          <div class="progress-info">
+            <span>扫码进度</span>
+            <el-tag type="success" size="small">{{ scanScannedTypes }}/{{ scanTotalTypes }} 种</el-tag>
+            <el-tag type="primary" size="small">{{ scanScannedQty }}/{{ scanTotalQty }} 件</el-tag>
+            <el-button
+                v-if="unscannedCount > 0"
+                type="warning" plain size="small" style="margin-left: auto;"
+                @click="showUnscannedDialog = true"
+            >
+              未扫清单 ({{ unscannedCount }})
+            </el-button>
+          </div>
+          <el-progress
+              :percentage="scanTotalQty > 0 ? Math.min(100, Math.round(scanScannedQty / scanTotalQty * 100)) : 0"
+              :stroke-width="8"
+              :color="scanScannedQty >= scanTotalQty ? '#67C23A' : '#F56C6C'"
+          />
         </div>
 
-        <div class="input-box">
-          <el-input
-              v-model="barcodeInput"
-              placeholder="扫描或输入条码回车"
-              @keyup.enter="handleManualInput"
-              clearable
-              ref="barcodeRef"
-              size="large"
-              :disabled="!hasPermission"
-          >
-            <template #prefix>
-              <el-icon><Scissor /></el-icon>
-            </template>
-            <template #append>
-              <el-button @click="handleManualInput" :disabled="!hasPermission">添加</el-button>
-            </template>
-          </el-input>
-        </div>
+        <template v-if="!selectedRequestId">
+          <div class="camera-placeholder" style="background-color: #f5f5f5; cursor: not-allowed;">
+            <el-icon :size="40" color="#909399"><CameraFilled /></el-icon>
+            <span class="text">请先选择报废申请单</span>
+          </div>
+          <div class="input-box">
+            <el-input v-model="barcodeInput" placeholder="请先选择报废申请单" disabled size="large">
+              <template #prefix><el-icon><Scissor /></el-icon></template>
+              <template #append><el-button disabled>添加</el-button></template>
+            </el-input>
+          </div>
+        </template>
+        <template v-else>
+          <div v-if="hasPermission" class="camera-placeholder" @click="showCamera = true">
+            <el-icon :size="40" color="#409EFF"><CameraFilled /></el-icon>
+            <span class="text">点击开启全屏扫码</span>
+          </div>
+          <div v-else class="camera-placeholder" style="background-color: #f5f5f5; cursor: not-allowed;">
+            <el-icon :size="40" color="#909399"><CameraFilled /></el-icon>
+            <span class="text">无扫码权限</span>
+          </div>
+          <div class="input-box">
+            <el-input
+                v-model="barcodeInput"
+                placeholder="扫描或输入条码回车"
+                @keyup.enter="handleManualInput"
+                clearable
+                ref="barcodeRef"
+                size="large"
+                :disabled="!hasPermission"
+            >
+              <template #prefix>
+                <el-icon><Scissor /></el-icon>
+              </template>
+              <template #append>
+                <el-button @click="handleManualInput" :disabled="!hasPermission">添加</el-button>
+              </template>
+            </el-input>
+          </div>
+        </template>
       </div>
 
       <div class="cart-section">
         <div v-if="cartItems.length > 0">
           <el-table :data="cartItems" border stripe style="width: 100%">
             <el-table-column prop="name" label="物品名称" min-width="120" show-overflow-tooltip />
+            <el-table-column prop="spec_model" label="规格" min-width="100" show-overflow-tooltip />
             <el-table-column prop="sku" label="SKU" width="120" show-overflow-tooltip />
 
-            <el-table-column label="可用库存" width="90" align="center">
+            <el-table-column label="库存" width="70" align="center">
               <template #default="{row}">
-                <el-tag type="info">{{ parseFloat(row.available_quantity) }}</el-tag>
+                <el-tag :type="parseFloat(row.available_quantity) > 0 ? 'success' : 'danger'" size="small">
+                  {{ parseFloat(row.available_quantity) }}
+                </el-tag>
               </template>
             </el-table-column>
 
             <el-table-column label="报废数" width="130" align="center">
               <template #default="{row}">
                 <el-input-number
-                    v-model="row.quantity"
+                    v-model="row.scrap_quantity"
                     :min="1"
-                    :max="parseFloat(row.available_quantity)"
+                    :max="maxScrapFor(row)"
                     size="small"
                     style="width: 100px"
                     :disabled="!hasPermission"
@@ -67,14 +168,6 @@
               </template>
             </el-table-column>
 
-            <el-table-column label="损失金额" width="100" align="center">
-              <template #default="{row}">
-                <span style="color: #F56C6C; font-weight: bold;">
-                  ¥{{ ((row.price || 0) * row.quantity).toFixed(2) }}
-                </span>
-              </template>
-            </el-table-column>
-
             <el-table-column v-if="hasPermission" label="操作" width="60" align="center" fixed="right">
               <template #default="{$index}">
                 <el-button type="danger" icon="Delete" circle size="small" @click="removeFromCart($index)" />
@@ -86,29 +179,17 @@
       </div>
 
       <div v-if="cartItems.length > 0" class="form-section">
-        <el-divider content-position="left">报废登记信息</el-divider>
+        <el-divider content-position="left">报废执行信息</el-divider>
 
-        <el-form :model="form" ref="formRef" label-position="top">
-          <el-form-item label="报废原因" prop="reason" required>
-            <el-input
-                v-model="form.reason"
-                type="textarea"
-                :rows="3"
-                placeholder="请详细填写报废原因，如：设备老化、损坏严重等"
-                size="large"
-                maxlength="500"
-                show-word-limit
-            />
-          </el-form-item>
-
-          <el-form-item label="备注说明" prop="remark">
-            <el-input v-model="form.remark" type="textarea" :rows="2" placeholder="补充说明..." />
+        <el-form :model="form" label-position="top">
+          <el-form-item label="报废原因（来自申请单）" prop="reason">
+            <el-input v-model="form.reason" type="textarea" :rows="2" disabled />
           </el-form-item>
 
           <div class="bottom-actions">
-            <el-button v-if="hasPermission" @click="clearAll" icon="Refresh">清空</el-button>
+            <el-button v-if="hasPermission" @click="clearAll" icon="Refresh">重扫</el-button>
             <el-button v-if="hasPermission" type="danger" size="large" :loading="loading" @click="submitForm" icon="Select">
-              确认报废
+              确认执行报废
             </el-button>
           </div>
         </el-form>
@@ -127,26 +208,60 @@
       </div>
 
       <div class="scanner-footer">
-        <p>请将条码/二维码放入镜头范围</p>
-        <p v-if="cartItems.length > 0" class="current-count">已添加: {{ cartItems.length }} 项</p>
+        <p>请对准条形码，识别成功后自动添加</p>
+        <p v-if="cartItems.length > 0" class="current-count">当前已添加: {{ scanScannedQty }} 件</p>
       </div>
     </div>
+
+    <!-- 未扫清单弹窗 -->
+    <el-dialog v-model="showUnscannedDialog" title="未扫清单" width="600px" destroy-on-close>
+      <el-alert
+          v-if="unscannedList.length > 0"
+          :title="`以下 ${unscannedList.length} 种物料还未扫满，请补扫（未扫满也可提交，将按实扫数量报废）：`"
+          type="warning" :closable="false" show-icon style="margin-bottom: 12px;"
+      />
+      <el-table :data="unscannedList" border size="small" max-height="400">
+        <el-table-column type="index" label="#" width="40" align="center" />
+        <el-table-column prop="name" label="物料名称" min-width="140" show-overflow-tooltip />
+        <el-table-column prop="sku" label="SKU" min-width="110" show-overflow-tooltip />
+        <el-table-column label="批准" width="70" align="center">
+          <template #default="{ row }">{{ row.planQty }}</template>
+        </el-table-column>
+        <el-table-column label="已扫" width="70" align="center">
+          <template #default="{ row }">
+            <span style="color: #67C23A;">{{ row.scannedQty }}</span>
+          </template>
+        </el-table-column>
+        <el-table-column label="待扫" width="70" align="center">
+          <template #default="{ row }">
+            <span style="color: #F56C6C; font-weight: bold;">{{ row.remaining }}</span>
+          </template>
+        </el-table-column>
+      </el-table>
+      <template #footer>
+        <el-button @click="showUnscannedDialog = false">关闭</el-button>
+        <el-button type="primary" @click="showUnscannedDialog = false; showCamera = true">去扫码</el-button>
+      </template>
+    </el-dialog>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, nextTick } from 'vue'
+import { ref, reactive, nextTick, computed, onMounted } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { Scissor, CameraFilled, Close, Refresh, Select, Delete } from '@element-plus/icons-vue'
+import { Scissor, CameraFilled } from '@element-plus/icons-vue'
 import QrScanner from '@/components/QrScanner/index.vue'
-import { scanBarcode, createScrap } from '@/api/scrap'
+import { scanBarcode, getScrapApprovals, executeScrapByRequest } from '@/api/scrap'
 import { useUserStore } from '@/stores/user'
-import { useRouter } from 'vue-router'
+import { useRouter, useRoute } from 'vue-router'
 
 const router = useRouter()
+const route = useRoute()
 const userStore = useUserStore()
 
-const hasPermission = userStore.hasPermission('scrap_create:operation')
+const hasPermission = computed(() =>
+  userStore.role === 'SUPER_ADMIN' || userStore.hasPermission('scrap_execute')
+)
 
 // --- 状态定义 ---
 const barcodeInput = ref('')
@@ -154,14 +269,144 @@ const cartItems = ref<any[]>([])
 const loading = ref(false)
 const showCamera = ref(false)
 const barcodeRef = ref()
-const formRef = ref()
+
+// 已批准的报废申请单
+const approvalRequests = ref<any[]>([])
+const selectedRequest = ref<any>(null)
+const requestsLoading = ref(false)
+
+const showUnscannedDialog = ref(false)
 
 const form = reactive({
-  reason: '',
-  remark: ''
+  reason: ''
 })
 
-// --- 核心扫码逻辑 ---
+// --- 计算属性 ---
+const selectedRequestId = computed({
+  get: () => selectedRequest.value?.id ?? null,
+  set: (val) => {
+    if (!val) {
+      selectedRequest.value = null
+    } else {
+      selectedRequest.value = approvalRequests.value.find(r => r.id === val) ?? null
+    }
+  }
+})
+
+const plannedItems = computed<any[]>(() => selectedRequest.value?.items ?? [])
+
+// 扫码进度
+const scanTotalQty = computed(() =>
+  plannedItems.value.reduce((sum: number, it: any) => sum + (Number(it.scrap_qty) || 0), 0)
+)
+const scanScannedQty = computed(() =>
+  cartItems.value.reduce((sum: number, it: any) => sum + (Number(it.scrap_quantity) || 0), 0)
+)
+const scanScannedTypes = computed(() => cartItems.value.length)
+const scanTotalTypes = computed(() => plannedItems.value.length)
+
+// --- 按 (source_table, stock_id) 匹配计划项 ---
+const matchPlan = (sourceTable: string, stockId: any) =>
+  plannedItems.value.find(
+    (p: any) => String(p.source_table) === String(sourceTable) && String(p.stock_id) === String(stockId)
+  )
+
+// 某计划项已扫数量
+const scannedQtyOf = (plan: any) =>
+  cartItems.value
+    .filter(ci => String(ci.source_table) === String(plan.source_table)
+               && String(ci.stock_id) === String(plan.stock_id))
+    .reduce((sum, ci) => sum + (Number(ci.scrap_quantity) || 0), 0)
+
+// 购物车某行还能再报废多少（批准量 - 其余行已占用量）
+const maxScrapFor = (row: any) => {
+  const plan = matchPlan(row.source_table, row.stock_id)
+  const approved = Number(plan?.scrap_qty) || 0
+  const others = cartItems.value
+    .filter(ci => ci !== row
+      && String(ci.source_table) === String(row.source_table)
+      && String(ci.stock_id) === String(row.stock_id))
+    .reduce((sum, ci) => sum + (Number(ci.scrap_quantity) || 0), 0)
+  const avail = parseFloat(row.available_quantity) || 0
+  return Math.max(0, Math.min(approved - others, avail))
+}
+
+// 未扫清单
+const unscannedList = computed(() =>
+  plannedItems.value.map((plan: any) => {
+    const planQty = Number(plan.scrap_qty) || 0
+    const scannedQty = scannedQtyOf(plan)
+    return {
+      name: plan.name || '',
+      sku: plan.sku || '',
+      planQty,
+      scannedQty,
+      remaining: Math.max(0, planQty - scannedQty)
+    }
+  }).filter((item: any) => item.remaining > 0)
+)
+const unscannedCount = computed(() => unscannedList.value.length)
+
+const sourceLabel = (st: string) =>
+  ({ stock_buy: '采购件', stock_semi: '半成品', stock_product: '成品' } as any)[st] || st || '-'
+
+// --- 加载已批准的报废申请单 ---
+const loadApprovalRequests = async () => {
+  requestsLoading.value = true
+  try {
+    const res: any = await getScrapApprovals({ scope: 'executable', status: 1, page: 1, limit: 100 })
+    approvalRequests.value = res.data?.items || []
+
+    // 支持从审批页跳转时带 requestId 直接选中
+    const presetId = Number(route.query.requestId)
+    if (presetId) {
+      const hit = approvalRequests.value.find(r => r.id === presetId)
+      if (hit) handleRequestChange(presetId)
+      else ElMessage.warning('指定的报废申请单不可执行（可能已被执行或状态已变更）')
+    }
+  } catch (e) {
+    console.error('加载报废申请单失败', e)
+    ElMessage.error('加载报废申请单失败')
+  } finally {
+    requestsLoading.value = false
+  }
+}
+
+const handleRequestChange = (val: number | null) => {
+  if (!val) {
+    selectedRequest.value = null
+    form.reason = ''
+  } else {
+    selectedRequest.value = approvalRequests.value.find(r => r.id === val) ?? null
+    form.reason = selectedRequest.value?.remark || ''
+  }
+  // 切换申请单时清空购物车，防止已扫物品与新单据混淆
+  cartItems.value = []
+  barcodeInput.value = ''
+}
+
+/**
+ * 校验扫码物品是否属于本申请单的批准明细，且累计不超批准量。
+ * 返回 null 表示通过，否则返回错误文案。
+ */
+const validateAgainstPlan = (item: any, addQty: number): string | null => {
+  const plan = matchPlan(item.source_table, item.id)
+
+  if (!plan) {
+    return `该物料【${item.name || item.sku}】不在申请单的批准明细中，禁止报废`
+  }
+
+  const approved = Number(plan.scrap_qty) || 0
+  const alreadyScanned = scannedQtyOf(plan)
+
+  if (alreadyScanned + addQty > approved) {
+    return `【${plan.name || plan.sku}】超出批准数量（批准: ${approved}，已扫: ${alreadyScanned}，本次: ${addQty}）`
+  }
+
+  return null
+}
+
+// --- 扫码逻辑 ---
 const onScanSuccess = (code: string) => {
   if (!code) return
   const trimCode = code.trim()
@@ -184,48 +429,95 @@ const onScanSuccess = (code: string) => {
 }
 
 const handleManualInput = async () => {
+  if (!hasPermission.value) {
+    ElMessage.warning('无操作权限')
+    return
+  }
   const code = barcodeInput.value.trim()
   if (!code) return
 
+  if (!selectedRequest.value) {
+    ElMessage.warning('请先选择要执行的报废申请单')
+    return
+  }
+
   try {
     loading.value = true
 
-    // 查重
-    const existIndex = cartItems.value.findIndex(item => item.barcode === code || item.sku === code)
+    // 1. 购物车已有该库存行 → 累加（按 source_table + id 去重，与申请单明细同口径）
+    const existIndex = cartItems.value.findIndex(
+      item => String(item.source_table) === String(item.source_table) &&
+              (item.barcode === code || item.sku === code || String(item.id) === String(code))
+    )
     if (existIndex > -1) {
       const item = cartItems.value[existIndex]
-      const maxQty = parseFloat(item.available_quantity)
-      if (item.quantity < maxQty) {
-        item.quantity++
-        ElMessage.success(`数量+1 (当前: ${item.quantity})`)
-        if (navigator.vibrate) navigator.vibrate(50)
-      } else {
-        ElMessage.warning(`库存不足 (余: ${maxQty})`)
+
+      // ★ 越权/超量拦截：红色错误提示并阻断扫码
+      const err = validateAgainstPlan(item, 1)
+      if (err) {
+        ElMessage.error(err)
+        if (navigator.vibrate) navigator.vibrate([200, 100, 200])
+        barcodeInput.value = ''
+        return
       }
+
+      const maxQty = maxScrapFor(item)
+      if (maxQty <= 0) {
+        ElMessage.error(`【${item.name}】已达批准数量上限，无法继续报废`)
+        if (navigator.vibrate) navigator.vibrate([200, 100, 200])
+        barcodeInput.value = ''
+        return
+      }
+
+      try {
+        await ElMessageBox.confirm(
+          `【${item.name} × ${item.spec_model || '-'}】已在清单中（当前已扫 ${item.scrap_quantity} 个）。\n\n确认再 +1 吗？`,
+          '重复扫码确认',
+          { confirmButtonText: '确认 +1', cancelButtonText: '取消', type: 'warning' }
+        )
+      } catch (e) {
+        barcodeInput.value = ''
+        return
+      }
+      item.scrap_quantity++
+      ElMessage.success(`数量+1 (当前: ${item.scrap_quantity})`)
+      if (navigator.vibrate) navigator.vibrate(50)
       barcodeInput.value = ''
       return
     }
 
-    // 查库
-    const res = await scanBarcode(code)
+    // 2. 查库
+    const res: any = await scanBarcode(code)
     if (res.code === 200 && res.data) {
       const item = res.data
-      const availQty = parseFloat(item.available_quantity || 0)
 
-      if (availQty <= 0) {
-        ElMessage.warning(`库存不足 (余: ${availQty})`)
-      } else {
-        cartItems.value.push({
-          ...item,
-          quantity: 1,
-          price: item.price || 0
-        })
-        ElMessage.success(`添加成功: ${item.name}`)
-        if (navigator.vibrate) navigator.vibrate(100)
+      // ★ 校验是否在批准明细内 / 是否超批准量
+      const err = validateAgainstPlan(item, 1)
+      if (err) {
+        ElMessage.error(err)
+        if (navigator.vibrate) navigator.vibrate([200, 100, 200])
+        barcodeInput.value = ''
+        return
       }
+
+      const availQty = parseFloat(item.available_quantity || 0)
+      if (availQty <= 0) {
+        ElMessage.error(`库存不足 (余: ${availQty})`)
+        if (navigator.vibrate) navigator.vibrate([200, 100, 200])
+        barcodeInput.value = ''
+        return
+      }
+
+      cartItems.value.push({
+        ...item,
+        scrap_quantity: 1
+      })
+      ElMessage.success(`添加成功: ${item.name}`)
+      if (navigator.vibrate) navigator.vibrate(100)
       barcodeInput.value = ''
     } else {
       ElMessage.error(res.msg || '未找到该物料')
+      if (navigator.vibrate) navigator.vibrate([200, 100, 200])
     }
   } catch (error: any) {
     if (error.response && error.response.status === 404) {
@@ -233,6 +525,7 @@ const handleManualInput = async () => {
     } else {
       ElMessage.error('查询出错')
     }
+    if (navigator.vibrate) navigator.vibrate([200, 100, 200])
   } finally {
     loading.value = false
     if (!showCamera.value) {
@@ -242,251 +535,190 @@ const handleManualInput = async () => {
 }
 
 const removeFromCart = (index: number) => {
+  if (!hasPermission.value) {
+    ElMessage.warning('无操作权限')
+    return
+  }
   cartItems.value.splice(index, 1)
 }
 
 const clearAll = () => {
-  ElMessageBox.confirm('确定清空所有已选物品吗?', '提示', { type: 'warning' })
+  if (!hasPermission.value) {
+    ElMessage.warning('无操作权限')
+    return
+  }
+  ElMessageBox.confirm('确定清空所有已扫物品吗?（保留申请单选择）', '提示', { type: 'warning' })
     .then(() => {
       cartItems.value = []
-      form.reason = ''
-      form.remark = ''
       barcodeInput.value = ''
     })
+    .catch(() => {})
 }
 
-// --- 提交逻辑 ---
+// --- 提交执行 ---
 const submitForm = async () => {
-  if (!formRef.value) return
-  if (cartItems.value.length === 0) return ElMessage.warning('请先添加物品')
-
-  // 验证报废原因
-  if (!form.reason.trim()) {
-    ElMessage.error('请填写报废原因')
+  if (!hasPermission.value) {
+    ElMessage.warning('无操作权限')
     return
   }
+  if (!selectedRequest.value) return ElMessage.warning('请先选择要执行的报废申请单')
+  if (cartItems.value.length === 0) return ElMessage.warning('请先扫码添加报废物料')
 
-  // 检查报废数量
-  const invalidItem = cartItems.value.find(item => !item.quantity || item.quantity <= 0)
-  if (invalidItem) {
-    ElMessage.warning('请填写有效的报废数量')
-    return
+  // 逐项复核批准量
+  for (const item of cartItems.value) {
+    const err = validateAgainstPlan(item, 0)
+    if (err) return ElMessage.error(err)
+    if (!item.scrap_quantity || item.scrap_quantity <= 0) {
+      return ElMessage.warning('请填写有效的报废数量')
+    }
+    if (item.scrap_quantity > (parseFloat(item.available_quantity) || 0)) {
+      return ElMessage.error(`【${item.name}】报废数量超过当前可用库存`)
+    }
   }
 
-  // 检查报废数量是否超过可用库存
-  const overstockItem = cartItems.value.find(item => item.quantity > parseFloat(item.available_quantity))
-  if (overstockItem) {
-    ElMessage.warning(`物料 ${overstockItem.sku} 报废数量超过可用库存`)
-    return
-  }
+  try {
+    await ElMessageBox.confirm(
+      `确认按实扫数量执行报废吗？\n申请单：${selectedRequest.value.request_no}\n共 ${cartItems.value.length} 项 / ${scanScannedQty.value} 件\n\n执行后不可撤销。`,
+      '执行确认',
+      { confirmButtonText: '确认执行', cancelButtonText: '取消', type: 'warning' }
+    )
+  } catch { return }
 
   try {
     loading.value = true
 
-    const data = {
-      reason: form.reason,
-      remark: form.remark,
-      items: cartItems.value.map(item => ({
-        id: item.id,
-        sku: item.sku,
-        source_table: item.source_table,
-        quantity: item.quantity
-      }))
-    }
+    const items = cartItems.value.map(item => ({
+      source_table: item.source_table,
+      stock_id: item.id,
+      quantity: item.scrap_quantity,
+      sku: item.sku ? String(item.sku) : '',
+      name: item.name ? String(item.name) : ''
+    }))
 
-    const res = await createScrap(data)
-    if (res.code === 200) {
-      ElMessage.success('报废提交成功')
-      router.push('/scrap/index')
-    } else {
-      ElMessage.error(res.msg || '提交失败')
-    }
-  } catch (error: any) {
-    console.error(error)
-    ElMessage.error(error.response?.data?.msg || '提交失败')
+    await executeScrapByRequest(selectedRequest.value.id, items)
+
+    ElMessage.success('已执行报废并扣减库存')
+    router.push('/scrap/index')
+  } catch (err: any) {
+    // 拦截器已弹后端业务错误；无响应才算网络异常
+    if (!err?.response) ElMessage.error('网络异常，请重试')
   } finally {
     loading.value = false
   }
 }
+
+onMounted(() => {
+  loadApprovalRequests()
+})
 </script>
 
 <style scoped>
-.app-container {
-  padding: 10px;
+.app-container.mobile-optimized {
+  padding: 10px; max-width: 700px; margin: 0 auto;
 }
 
-.box-card {
-  max-width: 1200px;
-  margin: 0 auto;
-}
+.card-header { display: flex; justify-content: space-between; align-items: center; }
+.title-box { font-size: 16px; font-weight: bold; display: flex; align-items: center; gap: 8px; }
 
-.card-header {
+/* 模式条 */
+.mode-switch-bar {
   display: flex;
-  justify-content: space-between;
   align-items: center;
+  gap: 16px;
+  margin-bottom: 16px;
+  padding: 12px 16px;
+  background: #fef0f0;
+  border-radius: 8px;
+  border: 1px solid #fde2e2;
 }
+.mode-hint { color: #909399; font-size: 13px; }
 
-.title-box {
+/* 申请单选择 */
+.approval-request-select { margin-bottom: 16px; }
+.select-tip { margin: 6px 0 0 0; color: #909399; font-size: 12px; }
+
+/* 待执行清单 */
+.planned-items-section {
+  margin-bottom: 16px;
+  padding: 12px;
+  background: #fef0f0;
+  border: 1px solid #fde2e2;
+  border-radius: 8px;
+}
+.planned-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 10px;
+}
+.planned-title { font-weight: bold; font-size: 14px; color: #F56C6C; }
+
+/* 扫码区 */
+.scan-section { margin-bottom: 20px; }
+.scan-progress {
+  background: #f5f7fa;
+  border: 1px solid #ebeef5;
+  border-radius: 6px;
+  padding: 10px 14px;
+  margin-bottom: 12px;
+}
+.progress-info {
   display: flex;
   align-items: center;
   gap: 10px;
-  font-size: 18px;
-  font-weight: bold;
+  margin-bottom: 6px;
+  font-size: 13px;
+  font-weight: 600;
 }
-
-.scan-section {
-  margin-bottom: 20px;
-}
-
 .camera-placeholder {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  height: 180px;
-  background: linear-gradient(135deg, #ecf5ff 0%, #d9ecff 100%);
-  border: 2px dashed #409EFF;
-  border-radius: 8px;
-  cursor: pointer;
+  height: 120px; background: #f5f7fa; border: 1px dashed #dcdfe6; border-radius: 8px;
+  display: flex; flex-direction: column; justify-content: center; align-items: center;
+  color: #909399; margin-bottom: 10px; cursor: pointer;
   transition: all 0.3s;
 }
+.camera-placeholder:active { background: #e6e8eb; }
+.camera-placeholder .text { margin-top: 5px; font-size: 13px; }
 
-.camera-placeholder:hover {
-  background: linear-gradient(135deg, #d9ecff 0%, #b3d8ff 100%);
-  transform: scale(1.01);
-}
+.input-box :deep(.el-input__wrapper) { box-shadow: 0 0 0 1px #dcdfe6 inset; }
 
-.camera-placeholder .text {
-  margin-top: 10px;
-  color: #409EFF;
-  font-size: 14px;
-}
-
-.input-box {
-  margin-top: 15px;
-}
-
-.input-box :deep(.el-input__wrapper) {
-  box-shadow: 0 0 0 1px #dcdfe6 inset;
-}
-
-.input-box :deep(.el-input__wrapper:hover) {
-  box-shadow: 0 0 0 1px #c0c4cc inset;
-}
-
-.input-box :deep(.el-input__wrapper.is-focus) {
-  box-shadow: 0 0 0 1px #409EFF inset;
-}
-
-.cart-section {
-  margin-bottom: 20px;
-}
-
-.form-section {
-  margin-top: 20px;
-  padding-top: 20px;
-  border-top: 1px solid #eee;
-}
-
-.form-section :deep(.el-divider__text) {
-  font-weight: bold;
-  color: #F56C6C;
-}
-
-.bottom-actions {
-  display: flex;
-  justify-content: flex-end;
-  gap: 15px;
-  margin-top: 20px;
-  padding-top: 20px;
-  border-top: 1px solid #eee;
-}
-
-.bottom-actions .el-button--large {
-  padding: 12px 30px;
-  font-size: 16px;
-}
-
-/* 全屏扫码样式 */
+/* 全屏扫码 */
 .fullscreen-scanner-overlay {
   position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  background: #000;
-  z-index: 2000;
-  display: flex;
-  flex-direction: column;
+  top: 0; left: 0; width: 100vw; height: 100vh;
+  background: #000; z-index: 9999;
+  display: flex; flex-direction: column;
 }
-
 .scanner-header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 15px;
-  background: rgba(0, 0, 0, 0.8);
-  color: #fff;
+  height: 60px; display: flex; align-items: center; justify-content: space-between;
+  padding: 0 15px; background: rgba(0,0,0,0.6); color: #fff;
+  position: absolute; top: 0; width: 100%; z-index: 10;
 }
-
-.scanner-title {
-  font-size: 18px;
-  font-weight: bold;
-}
-
-.close-btn {
-  background: rgba(255, 255, 255, 0.2);
-  border: none;
-  color: #fff;
-}
-
-.scanner-placeholder {
-  width: 40px;
-}
-
+.scanner-title { font-size: 16px; font-weight: bold; }
+.close-btn { background: rgba(255,255,255,0.2); border: none; color: #fff; }
 .scanner-body {
-  flex: 1;
-  display: flex;
-  align-items: center;
-  justify-content: center;
+  flex: 1; width: 100%; position: relative;
+  display: flex; align-items: center; justify-content: center;
+}
+:deep(.qr-scanner-container) {
+  width: 100% !important; height: 100% !important; border-radius: 0 !important;
 }
-
 .scanner-footer {
-  padding: 20px;
-  text-align: center;
-  background: rgba(0, 0, 0, 0.8);
-  color: #fff;
+  position: absolute; bottom: 0; width: 100%;
+  padding: 20px; background: rgba(0,0,0,0.6); color: #fff;
+  text-align: center; z-index: 10;
 }
+.current-count { color: #F56C6C; font-weight: bold; margin-top: 5px; font-size: 16px; }
 
-.scanner-footer p {
-  margin: 5px 0;
-}
+/* 表单与购物车 */
+.cart-section { margin-bottom: 20px; }
+.form-section { background: #fff; }
+.form-section :deep(.el-divider__text) { font-weight: bold; color: #F56C6C; }
 
-.current-count {
-  font-size: 16px;
-  font-weight: bold;
-  color: #F56C6C;
-}
+.bottom-actions { display: flex; justify-content: space-between; margin-top: 20px; }
+.bottom-actions .el-button { width: 48%; }
 
-@media (max-width: 768px) {
-  .app-container {
-    padding: 5px;
-  }
-
-  .title-box {
-    font-size: 16px;
-  }
-
-  .camera-placeholder {
-    height: 120px;
-  }
-
-  .bottom-actions {
-    flex-direction: column;
-  }
-
-  .bottom-actions .el-button {
-    width: 100%;
-  }
+@media screen and (max-width: 768px) {
+  .title-box { font-size: 14px; }
+  .camera-placeholder { height: 100px; }
 }
 </style>