解决离开页面后录音终端的问题

pages-subpackage/furniture_reception/serviceListFurniture.vue

@@ -233,6 +233,20 @@ function firstNonEmptyString(...parts) {
 	return "";
 }
 
+// 跨页面录音会话缓存（模块级）：页面销毁后仍保留录音状态与分段上传结果
+const recordingSessionCache = {
+	recordingServiceId: null,
+	recordingContext: null,
+	recordingElapsedSeconds: 0,
+	recordingEstimatedSizeBytes: 0,
+	recordingManualStopRequested: false,
+	recordingCurrentSegmentNo: 0,
+	recordingCurrentSegmentStartAt: 0,
+	recordingCurrentSegmentElapsedSeconds: 0,
+	uploadingCountMap: {},
+	uploadResultMap: {},
+};
+
 export default {
 	props: {
 		/** 卡片右侧状态文案，默认与接待页「服务中」Tab 一致 */
@@ -283,22 +297,22 @@ export default {
 			},
 			recorderSupported: false,
 			recorderManager: null,
-			recordingServiceId: null,
-			recordingContext: null,
-			recordingElapsedSeconds: 0,
-			recordingEstimatedSizeBytes: 0,
+			recordingServiceId: recordingSessionCache.recordingServiceId,
+			recordingContext: recordingSessionCache.recordingContext,
+			recordingElapsedSeconds: recordingSessionCache.recordingElapsedSeconds,
+			recordingEstimatedSizeBytes: recordingSessionCache.recordingEstimatedSizeBytes,
 			recordingTicker: null,
 			keepScreenOnEnabled: false,
 			// 上传前压缩策略：从录音源头降低采样率/码率，减少上传文件体积
 			recordingSampleRate: 16000,
 			recordingEncodeBitRate: 32000,
 			recordingSegmentDurationMs: 5 * 60 * 1000,
-			recordingManualStopRequested: false,
-			recordingCurrentSegmentNo: 0,
-			recordingCurrentSegmentStartAt: 0,
-			recordingCurrentSegmentElapsedSeconds: 0,
-			uploadingCountMap: {},
-			uploadResultMap: {}
+			recordingManualStopRequested: recordingSessionCache.recordingManualStopRequested,
+			recordingCurrentSegmentNo: recordingSessionCache.recordingCurrentSegmentNo,
+			recordingCurrentSegmentStartAt: recordingSessionCache.recordingCurrentSegmentStartAt,
+			recordingCurrentSegmentElapsedSeconds: recordingSessionCache.recordingCurrentSegmentElapsedSeconds,
+			uploadingCountMap: { ...recordingSessionCache.uploadingCountMap },
+			uploadResultMap: { ...recordingSessionCache.uploadResultMap }
 		}
 	},
 	mounted() {
@@ -307,26 +321,71 @@ export default {
 		// 获取当前用户手机号
 		this.loadCurrentUserPhone();
 		this.initServiceRecorder();
+		this.restoreRecordingSessionFromCache();
+		if (this.recordingServiceId && this.recordingContext?.id) {
+			this.startRecordingTicker({ reset: false });
+		}
 		this.fetchServiceStatusList();
 	},
 	beforeUnmount() {
-		this.stopRecordingTicker();
-		this.setKeepScreenOn(false);
-		if (this.recorderManager && this.recordingServiceId) {
-			try {
-				this.recorderManager.stop();
-			} catch (e) {
-				/* ignore */
-			}
-		}
+		// 跨页面持续录音：离开页面仅暂停UI定时器，不清空录音显示状态
+		this.pauseRecordingTicker();
+		// 跨页面持续录音：离开页面时不主动 stop
+		this.persistRecordingSessionToCache();
 	},
 	methods: {
+		persistRecordingSessionToCache() {
+			recordingSessionCache.recordingServiceId = this.recordingServiceId || null;
+			recordingSessionCache.recordingContext = this.recordingContext ? { ...this.recordingContext } : null;
+			recordingSessionCache.recordingElapsedSeconds = Number(this.recordingElapsedSeconds) || 0;
+			recordingSessionCache.recordingEstimatedSizeBytes = Number(this.recordingEstimatedSizeBytes) || 0;
+			recordingSessionCache.recordingManualStopRequested = !!this.recordingManualStopRequested;
+			recordingSessionCache.recordingCurrentSegmentNo = Number(this.recordingCurrentSegmentNo) || 0;
+			recordingSessionCache.recordingCurrentSegmentStartAt = Number(this.recordingCurrentSegmentStartAt) || 0;
+			recordingSessionCache.recordingCurrentSegmentElapsedSeconds = Number(this.recordingCurrentSegmentElapsedSeconds) || 0;
+			recordingSessionCache.uploadingCountMap = { ...this.uploadingCountMap };
+			recordingSessionCache.uploadResultMap = { ...this.uploadResultMap };
+		},
+		restoreRecordingSessionFromCache() {
+			this.recordingServiceId = recordingSessionCache.recordingServiceId || null;
+			this.recordingContext = recordingSessionCache.recordingContext ? { ...recordingSessionCache.recordingContext } : null;
+			this.recordingElapsedSeconds = Number(recordingSessionCache.recordingElapsedSeconds) || 0;
+			this.recordingEstimatedSizeBytes = Number(recordingSessionCache.recordingEstimatedSizeBytes) || 0;
+			this.recordingManualStopRequested = !!recordingSessionCache.recordingManualStopRequested;
+			this.recordingCurrentSegmentNo = Number(recordingSessionCache.recordingCurrentSegmentNo) || 0;
+			this.recordingCurrentSegmentStartAt = Number(recordingSessionCache.recordingCurrentSegmentStartAt) || 0;
+			this.recordingCurrentSegmentElapsedSeconds = Number(recordingSessionCache.recordingCurrentSegmentElapsedSeconds) || 0;
+			this.uploadingCountMap = { ...recordingSessionCache.uploadingCountMap };
+			this.uploadResultMap = { ...recordingSessionCache.uploadResultMap };
+		},
 		initServiceRecorder() {
 			this.recorderSupported = typeof uni.getRecorderManager === 'function';
 			if (!this.recorderSupported) {
 				return;
 			}
-			this.recorderManager = uni.getRecorderManager();
+			this.ensureRecorderManager();
+			this.bindRecorderEvents();
+		},
+		ensureRecorderManager() {
+			if (!this.recorderSupported) {
+				return false;
+			}
+			if (!this.recorderManager) {
+				this.recorderManager = uni.getRecorderManager();
+			}
+			return !!this.recorderManager;
+		},
+		bindRecorderEvents() {
+			if (!this.ensureRecorderManager()) {
+				return;
+			}
+			// 先解绑，避免重复绑定或被其它页面覆盖后残留旧回调
+			if (typeof this.recorderManager.offStop === 'function') {
+				this.recorderManager.offStop();
+			}
+			if (typeof this.recorderManager.offError === 'function') {
+				this.recorderManager.offError();
+			}
 			// 录音每段停止后回调：静默上传，若非手动停止则继续下一段
 			this.recorderManager.onStop((res) => {
 				const ctx = this.recordingContext;
@@ -384,6 +443,7 @@ export default {
 				this.recordingCurrentSegmentStartAt = 0;
 				this.recordingCurrentSegmentElapsedSeconds = 0;
 				this.setKeepScreenOn(false);
+				this.persistRecordingSessionToCache();
 			});
 			this.recorderManager.onError(() => {
 				this.recordingServiceId = null;
@@ -394,6 +454,7 @@ export default {
 				this.recordingCurrentSegmentElapsedSeconds = 0;
 				this.stopRecordingTicker();
 				this.setKeepScreenOn(false);
+				this.persistRecordingSessionToCache();
 				uni.showToast({ title: '录音出错', icon: 'none' });
 			});
 		},
@@ -411,25 +472,48 @@ export default {
 				},
 			});
 		},
-		startRecordingTicker() {
-			this.stopRecordingTicker();
-			this.recordingElapsedSeconds = 0;
-			this.recordingEstimatedSizeBytes = 0;
+		startRecordingTicker(options = {}) {
+			const { reset = true } = options;
+			this.pauseRecordingTicker();
+			if (reset) {
+				this.recordingElapsedSeconds = 0;
+				this.recordingEstimatedSizeBytes = 0;
+			} else if (this.recordingCurrentSegmentStartAt) {
+				const resumedElapsed = Math.max(
+					0,
+					Math.floor((Date.now() - Number(this.recordingCurrentSegmentStartAt)) / 1000)
+				);
+				this.recordingElapsedSeconds = resumedElapsed;
+				const bytesPerSecond = (Number(this.recordingEncodeBitRate) || 32000) / 8;
+				this.recordingEstimatedSizeBytes = Math.floor(resumedElapsed * bytesPerSecond);
+			}
 			const bytesPerSecond = (Number(this.recordingEncodeBitRate) || 32000) / 8;
 			this.recordingTicker = setInterval(() => {
-				this.recordingElapsedSeconds += 1;
+				if (this.recordingCurrentSegmentStartAt) {
+					this.recordingElapsedSeconds = Math.max(
+						0,
+						Math.floor((Date.now() - Number(this.recordingCurrentSegmentStartAt)) / 1000)
+					);
+				} else {
+					this.recordingElapsedSeconds += 1;
+				}
 				this.recordingCurrentSegmentElapsedSeconds = this.recordingElapsedSeconds;
 				this.recordingEstimatedSizeBytes = Math.floor(this.recordingElapsedSeconds * bytesPerSecond);
+				this.persistRecordingSessionToCache();
 			}, 1000);
 		},
-		stopRecordingTicker() {
+		pauseRecordingTicker() {
 			if (this.recordingTicker) {
 				clearInterval(this.recordingTicker);
 			}
 			this.recordingTicker = null;
+		},
+		stopRecordingTicker() {
+			this.pauseRecordingTicker();
 			this.recordingCurrentSegmentElapsedSeconds = this.recordingElapsedSeconds;
 			this.recordingElapsedSeconds = 0;
 			this.recordingEstimatedSizeBytes = 0;
+			this.persistRecordingSessionToCache();
 		},
 		startNewSegmentRecording() {
 			if (!this.recorderManager || !this.recordingServiceId || !this.recordingContext?.id) {
@@ -447,6 +531,7 @@ export default {
 					format: 'mp3'
 				});
 				this.startRecordingTicker();
+				this.persistRecordingSessionToCache();
 			} catch (e) {
 				this.recordingServiceId = null;
 				this.recordingContext = null;
@@ -456,6 +541,7 @@ export default {
 				this.recordingCurrentSegmentElapsedSeconds = 0;
 				this.stopRecordingTicker();
 				this.setKeepScreenOn(false);
+				this.persistRecordingSessionToCache();
 				uni.showToast({ title: '无法开始录音', icon: 'none' });
 			}
 		},
@@ -482,6 +568,9 @@ export default {
 			return String(recordId) === this.recordingServiceId;
 		},
 		startPhoneRecord(item) {
+			// 返回页面后可能被其它页面覆盖录音回调，这里每次录音前重新绑定一次
+			this.ensureRecorderManager();
+			this.bindRecorderEvents();
 			if (!this.recorderSupported || !this.recorderManager) {
 				uni.showToast({
 					title: '当前环境不支持录音，请使用微信小程序或 App',
@@ -512,6 +601,7 @@ export default {
 			this.recordingContext = { ...item };
 			this.recordingServiceId = String(item.id);
 			this.setKeepScreenOn(true);
+			this.persistRecordingSessionToCache();
 			this.startNewSegmentRecording();
 		},
 		/** 结束录音；onStop 回调中会调用 uploadFileForRecord 上传至后端 */
@@ -523,6 +613,7 @@ export default {
 				return;
 			}
 			this.recordingManualStopRequested = true;
+			this.persistRecordingSessionToCache();
 			this.recorderManager.stop();
 		},
 		/**
@@ -788,12 +879,14 @@ export default {
 			const key = String(recordId);
 			const next = Number(this.uploadingCountMap[key] || 0) + 1;
 			this.uploadingCountMap = { ...this.uploadingCountMap, [key]: next };
+			this.persistRecordingSessionToCache();
 		},
 		decreaseUploadingCount(recordId) {
 			const key = String(recordId);
 			const current = Number(this.uploadingCountMap[key] || 0);
 			const next = Math.max(0, current - 1);
 			this.uploadingCountMap = { ...this.uploadingCountMap, [key]: next };
+			this.persistRecordingSessionToCache();
 		},
 		getUploadResultList(recordId) {
 			const key = String(recordId || '');
@@ -803,6 +896,7 @@ export default {
 		setUploadResultList(recordId, list) {
 			const key = String(recordId || '');
 			this.uploadResultMap = { ...this.uploadResultMap, [key]: Array.isArray(list) ? list : [] };
+			this.persistRecordingSessionToCache();
 		},
 		pushUploadResult(recordId, segment) {
 			const list = this.getUploadResultList(recordId);