网站底部图标,wordpress打赏按钮,重庆网站推广平台,两岸统一最新消息模拟的是蓝牙设备签到/签出#xff1a;
获取指定蓝牙设备蓝牙初始搜索次数限制#xff0c;超过限制就停止搜索蓝牙连接失败次数限制#xff0c;超过限制标识蓝牙连接失败#xff08;离开蓝牙范围或其他原因#xff09;自动重连指定蓝牙
const device refany(nu…模拟的是蓝牙设备签到/签出
获取指定蓝牙设备蓝牙初始搜索次数限制超过限制就停止搜索蓝牙连接失败次数限制超过限制标识蓝牙连接失败离开蓝牙范围或其他原因自动重连指定蓝牙
const device refany(null); // 设备信息
const crpBlueList refany[]([]); // 扫描到的蓝牙信息列表
const linkStatus ref(false); // 连接状态
const searchTimes ref(0); // 搜索次数
const searchLimit 5; // 搜索次数限制
const linkTimes ref(0); // 扫描次数
const failTimes ref(0); // 失败次数
const failLimit 5; // 失败次数限制
const blueName zo-crp; // 指定蓝牙设备的名称前缀
let isSignIn false; // 是否签到
// 签到
const signIn () {searchTimes.value 0;uni.showLoading({title: 蓝牙搜索中...,mask: true});openBluetoothAdapter(() {startBluetoothDeviceDiscovery();});
};
// 签出
const logout () {closeBlueTooth(device.value, () {isSignIn false;device.value null;linkStatus.value false;searchTimes.value 0;linkTimes.value 0;failTimes.value 0;crpBlueList.value [];uni.showToast({title: 已签出});});
};
// 初始化蓝牙
const openBluetoothAdapter (callback: Function) {uni.openBluetoothAdapter({//打开蓝牙适配器接口success: (res) {//已打开callback();},fail: (err) {uni.hideLoading();uni.showModal({title: ,content: 该操作需要蓝牙支持请打开蓝牙,showCancel: false,success: (res) {if (res.confirm) {// #ifdef APPlet main plus.android.runtimeMainActivity();let Intent plus.android.importClass(android.content.Intent);let mIntent new Intent(android.settings.BLUETOOTH_SETTINGS);main.startActivity(mIntent);// #endif} else {navigateBack();}},complete: () {}});}});
};
// 搜索蓝牙
const startBluetoothDeviceDiscovery () {if (searchTimes.value searchLimit - 1) {uni.showModal({content:没有找到指定的蓝牙设备请确认所在位置周边有指定蓝牙设备且手机已开启位置信息并授权,confirmText: 重试,success: (res) {if (res.confirm) {signIn();} else {stopBluetoothDevicesDiscovery(() {uni.closeBluetoothAdapter({complete: () {navigateBack();}});});}}});return;}searchTimes.value 1;uni.startBluetoothDevicesDiscovery({success: (res) {// 发现外围设备onBluetoothDeviceFound();},fail: (err) {console.log(err, 开始搜索蓝牙设备备错误信息);}});
};
// 发现设备
const onBluetoothDeviceFound () {let t: any setTimeout(() {clearTimeout(t);t null;stopBluetoothDevicesDiscovery(() {// 停止搜索蓝牙uni.getBluetoothDevices({success: (res) {const blueList res.devices.filter((item: any) item.name.toLowerCase().startsWith(blueName)).sort((a: any, b: any) b.RSSI - a.RSSI);crpBlueList.value blueList;if (!blueList.length) {startBluetoothDeviceDiscovery();return;}const Device: any blueList[0];isSignIn true;// 获取电量const serviceData Array.prototype.map.call(new Uint8Array(Device.serviceData[Object.keys(Device.serviceData)[0]]), (bit) bit.toString(16)).join();const Electric parseInt(serviceData.slice(-2), 16);// 获取uuidconst UUID Array.prototype.map.call(new Uint8Array(Device.advertisData), (bit) (00 bit.toString(16)).slice(-2)).join().substring(8, 40).toUpperCase();device.value {name: Device.name,deviceId: Device.deviceId,electric: Electric,RSSI: Device.RSSI,UUID: UUID};linkStatus.value true;createBLEConnection(Device);}});});}, 2000);
};
// 连接设备
const createBLEConnection (item: any) {uni.showLoading({title: 连接中请稍等,mask: true});linkTimes.value 1;uni.createBLEConnection({deviceId: item.deviceId,success(res) {linkStatus.value true;failTimes.value 0;uni.showToast({title: 蓝牙已连接,mask: true});onBLEConnectionStateChange(item);},fail(res) {linkStatus.value false;plus.device.vibrate(500);if (failTimes.value failLimit) {failTimes.value 1;uni.showToast({title: item.name 蓝牙连接失败,icon: none});reLink(item);} else {closeBlueTooth(item, () {uni.showToast({title: item.name 蓝牙连接失败取消连接,icon: none});});}}});
};
// 监听蓝牙状态
const onBLEConnectionStateChange (item: any) {uni.onBLEConnectionStateChange((res) {m_Debounce(() {if (!res.connected isSignIn) {reLink(item);}}, 500);});
};
// 蓝牙重连
const reLink (item: any) {closeBlueTooth(item, () {let t: any setTimeout(() {clearTimeout(t);t null;openBluetoothAdapter(() {createBLEConnection(item);});}, 1000);});
};// 关闭连接关闭蓝牙模块
const closeBlueTooth (item: any, callback: Function) {// 关闭连接uni.closeBLEConnection({deviceId: item.deviceId,complete: () {// 关闭蓝牙模块uni.closeBluetoothAdapter({complete: () {callback();}});}});
};// 停止搜索
const stopBluetoothDevicesDiscovery (callback: Function) {uni.stopBluetoothDevicesDiscovery({complete: (e) {callback();},fail: (e) {console.log(停止搜索蓝牙设备失败错误码 e.errCode);}});
};
// 后退
const navigateBack () {uni.navigateBack({delta: 1,fail: () {uni.reLaunch({url: /pages/home/home});}});
};
