fix:修改蓝牙功能以及增加维修扫码页面添加

ebike-maintenance/pages/warehouse/bluetooth/bluetoothscan.vue

@@ -162,7 +162,7 @@
 </template>
 
 <script setup>
-	 import { ref, onMounted } from 'vue';
+	 import { ref, onMounted ,reactive } from 'vue';
 	 import {
 		 showModelMessage
 	 } from '@/utils/tools.js';
@@ -170,8 +170,14 @@
 	 import { AES128ECBEncrypt } from '@/utils/aes_util.js';
 	 const bluetoothForm = ref(null);
 	 const bikeCodeScanRef = ref(null);
-	 const serviceId = '0000FFF0-0000-1000-8000-00805F9B34FB';
-	 const characteristicId = '0000FFF6-0000-1000-8000-00805F9B34FB';
+	//  const serviceId = '0000FFF0-0000-1000-8000-00805F9B34FB';
+	//  const characteristicId = '0000FFF6-0000-1000-8000-00805F9B34FB';
+    // 这里的 serviceId 和 characteristicId 需要根据实际设备的蓝牙服务和特征进行替换
+	 const ids = reactive({
+		serviceId:'',
+		characteristicId:'',//读取characteristicId
+		writeCharacteristicId:''//写入characteristicId
+	 })
 	 
 	 const blueTooth = ref({
 		blueConn:false,
@@ -414,7 +420,7 @@
 							createBLEConnection();
 						}
 					});
-					startNotify();
+					getBLEDeviceServices()
 				},
 				fail(err) {
 					console.log("createBLEConnection err",err);
@@ -430,13 +436,68 @@
 				}
 		 });
 	 };
+
+	 const getBLEDeviceServices =() => {
+		//获取蓝牙设备所有服务(service)。
+		uni.getBLEDeviceServices({ 
+			deviceId: blueTooth.value.deviceId,
+			success: function (res) {
+				console.log('蓝牙服务:', res.services);
+				for (var i = 0; i < res.services.length; i++) {
+					var serviceId = res.services[i].uuid;
+					var subServiceId = serviceId.value.substring(0, 8);
+					if (subServiceId == '0000fff0' || subServiceId == '0000FFF0' || subServiceId == '6e400001' || subServiceId == '6E400001') {
+						ids.serviceId = serviceId;
+						//获取蓝牙设备某个服务中所有特征值(characteristic)。
+						uni.getBLEDeviceCharacteristics({
+							deviceId: blueTooth.value.deviceId,
+            				serviceId: serviceId.value,
+							success: function (res) {
+								console.log('获取到' + res.characteristics.length + '个特征值');
+								console.log('获取特征值:', res.characteristics);
+								for (var i = 0; i < res.characteristics.length; i++) {
+									var characteristicId = res.characteristics[i].uuid;
+									var subCharacteristic = characteristicId.substring(0, 8);
+									//读
+									if (subCharacteristic == '0000fff6' || subCharacteristic == '0000FFF6' || subCharacteristic == '6e400003' || subCharacteristic == '6E400003') {
+										ids.characteristicId = characteristicId;
+									}
+									//写
+									else if (subCharacteristic == '6e400002' || subCharacteristic == '6E400002') {
+										ids.writeCharacteristicId = characteristicId;
+									}
+								}
+								startNotify();
+							},
+							fail: function () {
+								console.log('获取特征值失败');
+								uni.showToast({
+									title: '连接失败,请重启蓝牙',
+									duration: 3000,
+									mask: true,
+									icon: 'none',
+              				    })
+							}
+						})
+
+					}else{
+						console.log('不符合的subServiceId =' + subServiceId);
+					}
+				}
+			},
+			fail: function (res) {
+     		 	console.log('获取服务失败');
+    		},
+			})
+	 }
+
 	 
 	 const startNotify = () => {
 	 	uni.notifyBLECharacteristicValueChange({
 	 		state:true,
 	 		deviceId: blueTooth.value.deviceId,
-	 		serviceId: serviceId,
-	 		characteristicId: characteristicId,
+	 		serviceId: ids.serviceId,
+	 		characteristicId: ids.characteristicId,
 	 		success(res) {
 				console.log("notifyBLECharacteristicValueChange success",res);
 	 			//stopDiscovery();
@@ -511,9 +572,9 @@
 	const writeBLECharacteristicValueWithBuff = (buffer) => {
 	  uni.writeBLECharacteristicValue({
 	 		deviceId: blueTooth.value.deviceId,
-	 		serviceId: serviceId,
-	 		characteristicId: characteristicId,
-	     value: buffer,
+	 		serviceId: ids.serviceId,
+	 		characteristicId: ids.writeCharacteristicId,
+	        value: buffer,
 	     success: function (res) {
 	       console.log('writeBLECharacteristicValue success', res.errMsg)
 	     },