修改条形码为二维码，同时对于扫码展示部分进行修改

inventory-web/src/views/outbound/create.vue

@@ -16,18 +16,10 @@
       </template>
 
       <div class="scan-section">
-        <div v-if="showCamera" class="camera-wrapper">
-          <QrScanner @decode="onScanSuccess" />
-          <div class="scan-overlay">
-            <el-button type="info" size="small" bg text @click="showCamera = false" icon="Close">
-              关闭摄像头
-            </el-button>
-          </div>
-        </div>
 
-        <div v-else class="camera-placeholder" @click="showCamera = true">
+        <div class="camera-placeholder" @click="showCamera = true">
           <el-icon :size="40" color="#409EFF"><CameraFilled /></el-icon>
-          <span class="text">点击开启扫码</span>
+          <span class="text">点击开启全屏扫码</span>
         </div>
 
         <div class="input-box">
@@ -150,6 +142,22 @@
       </div>
     </el-card>
 
+    <div v-if="showCamera" class="fullscreen-scanner-overlay">
+      <div class="scanner-header">
+        <el-button circle icon="Close" @click="showCamera = false" class="close-btn" />
+        <span class="scanner-title">扫码模式</span>
+        <div class="scanner-placeholder"></div> </div>
+
+      <div class="scanner-body">
+        <QrScanner @decode="onScanSuccess" />
+      </div>
+
+      <div class="scanner-footer">
+        <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: {{ cartItems.length }} 件</p>
+      </div>
+    </div>
+
     <el-dialog
         v-model="showSignatureDialog"
         fullscreen
@@ -201,7 +209,7 @@ import { useUserStore } from '@/stores/user'
 const barcodeInput = ref('')
 const cartItems = ref<any[]>([])
 const loading = ref(false)
-const showCamera = ref(false) // ★ 核心修改：默认改为 false
+const showCamera = ref(false)
 const barcodeRef = ref()
 const formRef = ref()
 const userStore = useUserStore()
@@ -266,26 +274,21 @@ const onScanSuccess = (code: string) => {
   if (!code) return
   const trimCode = code.trim()
 
-  // ★★★ 核心修改：防误触校验 ★★★
-  // 1. 正则校验：只允许 数字、字母、横杠、点
-  // 这样可以屏蔽掉条码解析错误产生的 { } $ # 等乱码
   const validPattern = /^[A-Za-z0-9\-\.]+$/
   if (!validPattern.test(trimCode)) {
     ElMessage.warning(`识别到异常符号，已忽略：${trimCode}`)
     return
   }
 
-  // 2. 长度校验：避免误扫到环境中的短数字
   if (trimCode.length < 3) {
     ElMessage.warning('扫描结果过短，请对准重试')
     return
   }
 
-  // 防抖：防止同一条码连续触发
   if (loading.value) return
 
   barcodeInput.value = trimCode
-  handleManualInput() // 复用手动输入逻辑
+  handleManualInput()
 }
 
 const handleManualInput = async () => {
@@ -343,8 +346,11 @@ const handleManualInput = async () => {
     if (navigator.vibrate) navigator.vibrate([200, 100, 200])
   } finally {
     loading.value = false
-    // 聚焦输入框，方便连续扫
-    nextTick(() => { barcodeRef.value?.focus() })
+    // 注意：全屏扫码模式下，我们不需要 refocus input，因为用户还在看摄像头
+    // 只有在非全屏模式下才 focus
+    if (!showCamera.value) {
+      nextTick(() => { barcodeRef.value?.focus() })
+    }
   }
 }
 
@@ -505,21 +511,73 @@ onUnmounted(() => {
 .title-box { font-size: 16px; font-weight: bold; display: flex; align-items: center; gap: 8px; }
 .header-price { font-size: 18px; color: #F56C6C; font-weight: bold; }
 
-/* 扫码区 */
+/* 扫码区（卡片内触发器） */
 .scan-section { margin-bottom: 20px; }
-.camera-wrapper {
-  height: 25vh; background: #000; border-radius: 12px; overflow: hidden; position: relative; margin-bottom: 10px;
-}
-.scan-overlay {
-  position: absolute; bottom: 10px; right: 10px; z-index: 10;
-}
 .camera-placeholder {
   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; }
 
+/* ★ 全屏扫码层样式 */
+.fullscreen-scanner-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background: #000;
+  z-index: 9999;
+  display: flex;
+  flex-direction: column;
+}
+
+.scanner-header {
+  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: 16px; font-weight: bold; }
+.close-btn { background: rgba(255,255,255,0.2); border: none; color: #fff; }
+
+.scanner-body {
+  flex: 1;
+  width: 100%;
+  position: relative;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+/* 强制子组件（QrScanner）填满容器 */
+:deep(.qr-scanner-container) {
+  width: 100% !important;
+  height: 100% !important;
+  border-radius: 0 !important;
+}
+
+.scanner-footer {
+  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: #67c23a; font-weight: bold; margin-top: 5px; font-size: 16px; }
+
 /* 表单与购物车 */
 .cart-section { margin-bottom: 20px; }
 .form-section { background: #fff; }