CRM_26-08-05#story#9126,车辆管理、服务商管理系统需求

src/components/CameraGuide.vue

@@ -186,8 +186,8 @@ export default {
           video: { facingMode: 'environment' },
           audio: false
         })
-        // 等待期间组件已被关闭，立即释放
+        // 等待期间组件已被关闭或销毁，立即释放
-        if (!this.visible) {
+        if (!this.visible || this._isDestroyed || this._isBeingDestroyed) {
           stream.getTracks().forEach(t => t.stop())
           return
         }
@@ -363,7 +363,9 @@ export default {
   align-items: center;
   justify-content: center;
   padding-top: 80px;
-  padding-bottom: 100px;
+  /* 避让底部拍照栏（约 142px 高），防止小屏下提示被遮挡 */
+  padding-bottom: 150px;
+  padding-bottom: calc(150px + env(safe-area-inset-bottom));
   pointer-events: none;
 }
 .guideHero {
@@ -408,16 +410,26 @@ export default {
     line-height: 1.4;
   }
 }
-/* 取景框：宽约为屏宽 80%，宽高比约 1.43:1 */
+/* 取景框：宽约为屏宽 80%，宽高比约 1.43:1；小屏按可视高度自适应缩小，避免遮挡上下元素 */
 .guideFrameOuter {
   position: relative;
   width: 80%;
-  max-width: 340px;
+  /* 纵向可用高度 ≈ 100vh - (导航80 + 拍照栏150 + 提示卡92 + 底部提示92) ≈ 100vh - 420px，
-  padding-top: 69.93%; /* 宽高比约 1.43:1 */
+     换算成宽度（×1.43）并限制在 170~340px 之间，大屏表现与原 80%/340px 一致 */
+  width: clamp(170px, min(80%, calc((100vh - 420px) * 1.43)), 340px);
+  width: clamp(170px, min(80%, calc((100dvh - 420px) * 1.43)), 340px);
+  /* 宽高比约 1.43:1（与拍照裁剪比例一致）；不用 padding-top 百分比——它相对父级宽度，无法跟随自适应宽度 */
+  aspect-ratio: 1.43 / 1;
   flex-shrink: 0;
   /* 不用 filter: drop-shadow，iOS 上父级 filter 会导致 video 合成层不绘制（黑屏） */
   box-shadow: 0 4px 16px rgba(20, 30, 50, .12);
 }
+/* 兼容不支持 aspect-ratio 的旧浏览器：padding-top 相对父级宽度，80% / 1.43 ≈ 55.94% */
+@supports not (aspect-ratio: 1 / 1) {
+  .guideFrameOuter {
+    padding-top: 55.94%;
+  }
+}
 .corner {
   position: absolute;
   width: 30px;

src/router/index.js

@@ -209,7 +209,16 @@ const routes = [
         name: 'vehicleAdd',
         component: () => import('@/views/index/vehicleAdd'),
         meta: {
-            title: '车辆新增或修改'
+            title: '车辆新增或修改',
+            cache: true // keep-alive 缓存：跳转拍摄页返回时保留表单，再次从其他页面进入时由 activated 重新初始化
+        }
+    },
+    {
+        path: "/cameraGuide",
+        name: 'cameraGuide',
+        component: () => import('@/views/index/cameraGuide'),
+        meta: {
+            title: '拍摄行驶证'
         }
     },
     {

src/views/index/vehicleAdd.vue

@@ -454,15 +454,6 @@
     </div>
   </van-popup>
 
-  <camera-guide
-    :visible="cameraGuideVisible"
-    :type="cameraGuideType"
-    :stream="cameraStream"
-    @confirm="onCameraConfirm"
-    @cancel="onCameraCancel"
-    @fallback="onCameraFallback"
-  />
-
 </div>
 </template>
 
@@ -475,7 +466,6 @@ import {vehicleTypeList,saveVehicle,getInfoById,supplierServiceTree, uploadImage
   userOperationPermissions,saveSupplierApproval} from "@/api/mine"
 import TwoCommonBtn from "@/components/twoBtnCommon.vue"
 import CellGroup from "@/components/cellGroup.vue";
-import CameraGuide from "@/components/CameraGuide.vue";
 export default {
   name: "vehicleAdd",
   mixins:[myMixins],
@@ -511,9 +501,7 @@ export default {
       oldSupplierServiceList:[],
       show:false,
       imageUrl: require('@/assets/arr_right.png'),
-      cameraGuideVisible: false, // 拍摄引导弹层显示
       cameraGuideType: 'front',  // 当前拍摄槽位 front/back/car
-      cameraStream: null,        // 探测成功的相机流，交给 CameraGuide 复用
       vehicleLicenseFrontList: [],
       vehicleLicenseBackList: [],
       vehicleLicenseCarPhotoList: [],
@@ -710,6 +698,31 @@ export default {
     },
   },
   async mounted() {
+    await this.initPage()
+    this.hasInited = true // 标记首次初始化完成（keep-alive 下 activated 据此判断再次进入需重新初始化）
+  },
+  activated() {
+    // 从拍摄页返回：取回拍照结果/降级信息，保留表单不重新初始化
+    const cam = this.$store.state.camera
+    if (cam.result || cam.fallback) {
+      const { result, fallback } = cam
+      this.$store.commit('camera/clear')
+      if (result) {
+        this.cameraGuideType = result.type
+        this.onCameraConfirm(result)
+      } else {
+        this.cameraGuideType = fallback.type
+        this.handleCameraFail(fallback.error)
+      }
+      return
+    }
+    // 从车辆管理等其他页面再次进入（keep-alive 缓存复用）：按当前路由重新初始化
+    if (this.hasInited) {
+      this.initPage()
+    }
+  },
+  methods:{
+    async initPage() {
       this.id=this.$route.params?.id
       this.approvalForm.supplierId=this.$route.params?.supplierId
       const urlParams = new URLSearchParams(window.location.search);
@@ -733,7 +746,6 @@ export default {
         }
       }
     },
-  methods:{
     showDateHandler() {
       if( this.id ) {   // 修改
         if( this.permissonList.includes('hasInsuranceAudit') ) {
@@ -948,30 +960,19 @@ export default {
     isCameraSupported() {   // 是否支持 getUserMedia（不支持则降级系统选择器）
       return !!(navigator.mediaDevices && navigator.mediaDevices.getUserMedia) && window.isSecureContext !== false
     },
-    async onLicenseSlotClick(type) {   // 行驶证三槽位点击拦截：前置探测相机，可用才进引导页，否则直接降级系统选择器
+    onLicenseSlotClick(type) {   // 行驶证三槽位点击拦截：跳独立拍摄页，不支持相机则直接降级系统选择器
       this.cameraGuideType = type
       if (!this.isCameraSupported()) {
         // 不支持 getUserMedia（如 iOS 微信、非 HTTPS、老 WebView）：直接调系统选择器
         this.triggerNativeUpload(type)
         return
       }
-      try {
+      this.$router.push({ name: 'cameraGuide', query: { type } })
-        // 前置真实探测相机可用性；探测成功的流直接交给 CameraGuide 复用，
-        // 避免 iOS 上 stop 后立即二次 getUserMedia 拿到不渲染的“死流”（黑屏）
-        const stream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: 'environment' }, audio: false })
-        this.cameraStream = stream
-        this.cameraGuideVisible = true
-      } catch (e) {
-        console.warn('probe getUserMedia error:', e && (e.name || e.message || e))
-        this.handleCameraFail(e)
-      }
     },
     isCameraPermissionError(e) {   // 是否为相机权限类错误
       return !!(e && (e.name === 'NotAllowedError' || e.name === 'SecurityError' || e.name === 'PermissionDeniedError'))
     },
     handleCameraFail(e) {   // 相机不可用统一处理：权限类弹确认框，其他异常提示后由用户点击触发相册（保证点击手势有效）
-      this.cameraGuideVisible = false
-      this.cameraStream = null
       if (this.isCameraPermissionError(e)) {
         Dialog.confirm({
           title: '提示',
@@ -1005,8 +1006,6 @@ export default {
       })
     },
     onCameraConfirm({ blob, dataURL }) {   // 拍摄确认：构造 {file, content} 走现有压缩→上传→OCR 链路
-      this.cameraGuideVisible = false
-      this.cameraStream = null
       const type = this.cameraGuideType
       const file = new File([blob], `vehicle_license_${type}_${Date.now()}.jpg`, { type: 'image/jpeg' })
       const fileItem = { file, content: dataURL }
@@ -1024,13 +1023,6 @@ export default {
       this[listMap[type]] = [fileItem]
       this[handlerMap[type]](fileItem)
     },
-    onCameraCancel() {   // 返回放弃
-      this.cameraGuideVisible = false
-      this.cameraStream = null
-    },
-    onCameraFallback(e) {   // CameraGuide 内 getUserMedia 失败（前置探测已通过，概率极低）：按异常类型统一处理
-      this.handleCameraFail(e)
-    },
     async vehicleLicenseFrontHandler(file) {    // 上传 行驶证首页
       console.log('file',file)
       try {
@@ -1702,8 +1694,7 @@ export default {
   },
   components:{
     CellGroup,
-    TwoCommonBtn,
+    TwoCommonBtn
-    CameraGuide
   }
 }
 </script>