YKJC-V3.0-UNI/mixins/linkBEL.js

export default {
	data() {
		return {
			onBluetoothDeviceFoundcustom: '',
			deviceId: '',
			stringToSend: '$D50504010300#', // D50604010000
			setInterTimeBEL: null
		}
	},
	onLoad() {},
	methods: {
		// 打开GPS定位！！！打开GPS定位新买的荣耀才能触发uni.onBluetoothDeviceFound监听！！！！
		checkAndOpenGPS() {
			var Context = plus.android.importClass("android.content.Context");
			var LocationManager = plus.android.importClass("android.location.LocationManager");
			var main = plus.android.runtimeMainActivity();

			// 获取系统的 LocationManager 服务
			var locationManager = main.getSystemService(Context.LOCATION_SERVICE);

			// 检查 GPS 是否开启
			var isGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
			var isNetworkEnabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER); // 检查网络定位服务
			// 位置服务已开启，不进行任何操作
			if (isGPSEnabled || isNetworkEnabled) {
				console.log("位置服务已开启");
				this.openBluetoothAdapter()
			} else {
				console.log("位置服务未开启，跳转到设置页面");
				// 位置服务未开启，引导用户打开 GPS 设置页面
				var Intent = plus.android.importClass("android.content.Intent");
				var Settings = plus.android.importClass("android.provider.Settings");
				var intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
				main.startActivity(intent);

				// 提示用户手动开启 GPS
				plus.nativeUI.alert("请手动开启GPS！");
			}
		},
		// 初始化蓝牙
		openBluetoothAdapter() {
			let that = this
			that.closeBluetoothAdapter()
			console.log('初始化蓝牙');
			uni.openBluetoothAdapter({
				success(res) {
					console.log(res)
					var data = {
						command: 'belConnectFeedback',
						commandType: 'BEL',
						data: {
							state: 0,
							message: '初始化成功'
						}
					}
					that.webViewToH5Bel(data)
					that.startBluetoothDevicesDiscovery()
				},
				fail(res) {
					console.log('初始化蓝牙失败', res)
					var data = {
						command: 'belConnectFeedback',
						commandType: 'BEL',
						data: {
							state: 0,
							message: '初始化失败'
						}
					}
					that.webViewToH5Bel(data)
					setTimeout(() => {
						that.openBluetoothAdapter()
					}, 5000)
				}
			})
		},
		// 开始搜索蓝牙设备
		startBluetoothDevicesDiscovery() {
			let that = this
			console.log('开始搜索蓝牙设备');
			var data = {
				command: 'belConnectFeedback',
				commandType: 'BEL',
				data: {
					state: 0,
					message: '设备搜索中'
				}
			}
			that.webViewToH5Bel(data)
			uni.startBluetoothDevicesDiscovery({
				success(res) {
					console.log(res)
					that.onBluetoothDeviceFound()
				}
			})
		},
		// 监听设备发现
		onBluetoothDeviceFound() {
			let that = this
			this.onBluetoothDeviceFoundcustom = uni.onBluetoothDeviceFound((res) => {
				console.log('监听设备发现', res.devices[0]);
				if (res.devices[0].name === 'ACP60205') {
					console.log('hello，厉害，找到啦，啦啦啦~~~');
					// 连接成功后，停止设备搜索
					uni.stopBluetoothDevicesDiscovery();
					that.deviceId = res.devices[0].deviceId; // 获取设备ID
					that.createBLEConnection()
				}
			})
		},
		// 连接到设备
		createBLEConnection() {
			let that = this
			console.log('连接到设备that.deviceId', that.deviceId);
			uni.createBLEConnection({
				deviceId: that.deviceId,
				success: function() {
					console.log('连接成功')
					var data = {
						command: 'belConnectFeedback',
						commandType: 'BEL',
						data: {
							state: 0,
							message: '已连接'
						}
					}
					that.webViewToH5Bel(data)
					that.belStatus()
				},
				fail: function(err) {
					console.error('连接失败', err)
					var data = {
						command: 'belConnectFeedback',
						commandType: 'BEL',
						data: {
							state: 0,
							message: '连接失败'
						}
					}
					that.webViewToH5Bel(data)
					setTimeout(() => {
						that.openBluetoothAdapter()
					}, 5000)
				}
			})
		},
		// 检测BEL是否连接状态
		belStatus() {
			clearInterval(this.setInterTimeBEL)
			this.setInterTimeBEL = setInterval(() => {
				this.getConnectedBluetoothDevices()
			}, 5000)
		},
		// 检查设备连接状态
		getConnectedBluetoothDevices() {
			let that = this
			uni.getConnectedBluetoothDevices({
				success(res) {
					console.log('当前已连接的设备:', res.devices);
					if (res.devices.length <= 0) {
						that.openBluetoothAdapter()
						clearInterval(that.setInterTimeBEL)
						var data = {
							command: 'belConnectFeedback',
							commandType: 'BEL',
							data: {
								state: 0,
								message: '连接失败'
							}
						}
						that.webViewToH5Bel(data)
					} else {
						var data = {
							command: 'belConnectFeedback',
							commandType: 'BEL',
							data: {
								state: 0,
								message: '已连接'
							}
						}
						that.webViewToH5Bel(data)
					}
				},
				fail(err) {
					console.log('获取已连接设备失败:', err)
					that.openBluetoothAdapter()
				}
			})
		},
		// 发送蓝牙内容
		writeBLECharacteristicValue(belvalue) {
			console.log('发送蓝牙内容',belvalue);
			let that = this
			// 要发送的字符串
			// $D50504030231#
			// D5---5米距离
			// 06---
			const dataToSend = that.stringToByteArray(belvalue)
			console.log(' dataToSend.buffer', dataToSend.buffer)
			uni.writeBLECharacteristicValue({
				deviceId: that.deviceId, // 设备ID
				serviceId: '0000ffe0-0000-1000-8000-00805f9b34fb', // 服务ID
				characteristicId: '0000ffe1-0000-1000-8000-00805f9b34fb', // 特征ID
				value: dataToSend.buffer,
				writeType: 'write',
				success: () => {
					console.log('发送内容成功')
					var data = {
						command: 'sendBelDataFeedback',
						commandType: 'BEL',
						data: {
							state: 0,
							message: '发送内容成功'
						}
					}
					that.webViewToH5Bel(data)
				},
				fail: (err) => {
					console.error('发送内容失败', err)
					var data = {
						command: 'sendBelDataFeedback',
						commandType: 'BEL',
						data: {
							state: 0,
							message: '发送内容失败'
						}
					}
					that.webViewToH5Bel(data)
				}
			})
		},
		// 处理发送的内容
		stringToByteArray(str) {
			const byteArray = new Uint8Array(str.length);
			for (let i = 0; i < str.length; i++) {
				byteArray[i] = str.charCodeAt(i)
			}
			return byteArray;
		},
		// 断开蓝牙
		closeBluetoothAdapter(title) {
			let that = this
			uni.closeBluetoothAdapter({
				success() {
					console.log('蓝牙适配器关闭成功');
					var data = {
						command: title === 'belClose' ? 'belCloseFeedback' : 'belConnectFeedback',
						commandType: 'BEL',
						data: {
							state: 0,
							message: title === 'belClose' ? '已断开' : '未连接'
						}
					}
					clearInterval(that.setInterTimeBEL)
					uni.stopBluetoothDevicesDiscovery();
					that.webViewToH5Bel(data)
				},
				fail(err) {
					console.log('关闭蓝牙适配器失败: ', err);
				}
			});
		},
		// uniapp 传参给 vue页面---刘灿测试
		webViewToH5Bel(res) {
			let currentWebview = this.$scope.$getAppWebview();
			let wv = currentWebview.children()[0];
			console.log('BEL-uniapp 传参给 vue页面');
			wv.evalJS(`getVueMessage(${JSON.stringify(res)})`);
		},
	}
}