examTeamApp/tools/Bluetooth.js

import $store from '@/store'
import $Bluetooth from '@/tools/Bluetooth.js'
import $tools from '@/tools/tools.js'
let myTime;
let devicesList = []
export default {
	str2Num,
	handleDevicesMac,
	openBluetoothAdapter,
	startBluetoothDeviceDiscovery,
	onBluetoothDeviceFound,
	getBluetoothAdapter,
	handleDevice,
	onBLEConnectionStateChange,
	closeBLEConnection,
	closeBluetoothAdapter,
	stopBluetoothDevicesDiscovery
}

// 蓝牙连接
function openBluetoothAdapter() {
	uni.openBluetoothAdapter({
		success: e => {
			$store.commit("changeBluetooth", true)
			$Bluetooth.startBluetoothDeviceDiscovery()
			console.log('初始化蓝牙成功:' + e.errMsg);
		},
		fail: e => {
			$Bluetooth.getBluetoothAdapter(e)
		}
	});
}

// 开始搜寻附近的蓝牙外围设备
function startBluetoothDeviceDiscovery() {
	devicesList = []
	uni.startBluetoothDevicesDiscovery({
		allowDuplicatesKey: true,
		interval: 200, //上报设备的间隔
		services: [],
		success: res => {
			$Bluetooth.onBluetoothDeviceFound();
		},
		fail: res => {
			$tools.msg("请确定设备是开机状态、手机蓝牙权限已打开！")
		}
	});
}

/**
 * 发现外围设备
 */
function onBluetoothDeviceFound() {
	uni.onBluetoothDeviceFound(res => {
		console.log('开始监听寻找到新设备的事件', res);
		res.devices.forEach(device => {
			if (!device.name && !device.localName) {
				return
			}
			if (device.name.indexOf('YPC') != -1) {
				let buff = device.name.slice(7, 19)
				device.macAddr = $Bluetooth.str2Num(buff)
				device.deviceId = $Bluetooth.str2Num(buff)
				$Bluetooth.handleDevice(device)
				console.log("ypc", device)
				return
			}
		})
	});
}
// 蓝牙过滤
function handleDevice(device) {
	const foundDevices = devicesList
	const idx = $tools.inArray(foundDevices, "deviceId", device.deviceId)
	console.log("ind", idx, devicesList, device)
	if (idx === -1) {
		devicesList.push(device);
		$store.commit("changedevicesList", devicesList);
		return
	}
}
/**
 * 停止搜索蓝牙设备
 */
function stopBluetoothDevicesDiscovery() {
	uni.stopBluetoothDevicesDiscovery({
		success: e => {
			console.log("停止搜索蓝牙设备", e)
		},
	});
}
// 监听蓝牙连接状态
function onBLEConnectionStateChange() {
	uni.onBLEConnectionStateChange(function(res) {
		console.log("蓝牙连接状态", JSON.stringify(res));
		if (!res.connected) {
			$Bluetooth.closeBLEConnection()
			$Bluetooth.closeBluetoothAdapter()
		}
		$store.commit("changeConnected", res.connected);
	})
}

/**
 * 断开蓝牙模块
 */
function closeBluetoothAdapter() {
	uni.closeBluetoothAdapter({
		success: res => {
			console.log('蓝牙模块关闭成功');
		}
	})
}
/**
 * 断开蓝牙连接
 */
function closeBLEConnection(deviceId) {
	console.log("deviceId", deviceId)
	uni.closeBLEConnection({
		deviceId: deviceId,
		success: res => {
			console.log('断开蓝牙连接成功');
		}
	});
}

function str2Num(str) {
	var result = "";
	for (let i = 0; i < str.length - 2; i++) {
		result += str[i];
		if (i % 2 === 1) result += ':';
	}
	return result + str.slice(-2)
}
// 蓝牙连接
function handleDevicesMac(device, acd_id) {
	console.log("卡片设备", device, acd_id)
	if (device == 'true' || device || device == true) {
		uni.openBluetoothAdapter({
			success: e => {
				$store.commit("changeBluetooth", true);
				uni.navigateTo({
					url: "/pages/devices/search?id=" + acd_id
				})
				console.log('初始化蓝牙成功:' + e.errMsg);
			},
			fail: err => {
				console.log('初始化蓝牙失败:' + err.errMsg);
				return $Bluetooth.getBluetoothAdapter(err)
			}
		});
	} else {
		$tools.msg("请先添加设备！")
		setTimeout(function() {
			uni.switchTab({
				url: "/pages/business/business"
			})
		}, 500)
	}
}
// 蓝牙连接失败
function getBluetoothAdapter(err) {
	if (err.errMsg == "openBluetoothAdapter:fail auth denied" || err.errMsg ===
		"openBluetoothAdapter:fail auth deny" ||
		err.errMsg === "openBluetoothAdapter:fail authorize no response"
	) {
		uni.showModal({
			title: "提示",
			content: "需要您授权使用手机蓝牙",
			showCancel: false,
			success(modalSuccess) {
				uni.openSetting({
					success(settingdata) {
						if (settingdata.authSetting["scope.bluetooth"]) {
							uni.openBluetoothAdapter({
								success: e => {
									uni.showToast({
										title: "获取权限成功，请继续去测量",
										icon: "none"
									})
									$store.commit("changeBluetooth", true);
								},
								fail: err => {
									$tools.showModal("手机蓝牙未打开")
									console.log('初始化蓝牙失败:' + err.errMsg);
								}
							});
						} else {
							uni.showToast({
								title: "获取权限失败，将无法使用手机蓝牙进行测量",
								icon: "none"
							})
						}
					}
				})
			}
		})
	} else {
		$tools.showModal("手机蓝牙未打开")
	}
}