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初始化（包含登录模块）

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始于初见
2024-03-29 17:37:48 +08:00
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pages/API/bluetooth/bluetooth.vue Normal file
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<template>
<view>
<page-head :title="title"></page-head>
<view class="uni-padding-wrap uni-common-mt">
<view>
本蓝牙协议只支持低功耗蓝牙协议ble。如果想连接非ble蓝牙设备，请在社区搜索 Native.js 蓝牙。
</view>
<view class="uni-btn-v">
<button type="primary" :disabled="disabled[0]" @click="openBluetoothAdapter">
初始化蓝牙模块
</button>
<view v-if="!adapterState.available">
{{ '蓝牙适配器不可用,请初始化蓝牙模块' }}
</view>
<button
type="primary"
:loading="searchLoad"
:disabled="disabled[1]"
@click="startBluetoothDevicesDiscovery"
>
开始搜索蓝牙设备
</button>
<button
type="primary"
:disabled="disabled[2]"
@click="stopBluetoothDevicesDiscovery(false)"
>
停止搜索蓝牙设备
</button>
<button
type="primary"
:loading="newDeviceLoad"
:disabled="disabled[3]"
@click="queryDevices"
>
选择设备
</button>
<view v-if="equipment.length > 0">
{{
(connected ? '已连接设备' : '已选择设备') +
' : ' +
equipment[0].name +
' (' +
equipment[0].deviceId +
')'
}}
</view>
<button type="primary" :disabled="disabled[4]" @click="createBLEConnection">
连接蓝牙设备
</button>
<button type="primary" :disabled="disabled[5]" @click="getBLEDeviceServices">
选择设备服务
</button>
<view v-if="servicesData.length > 0">已选服务uuid：{{ servicesData[0].uuid }}</view>
<button type="primary" :disabled="disabled[6]" @click="getBLEDeviceCharacteristics">
获取服务的特征值
</button>
<view v-if="characteristicsData.length > 0">
<view class="uni-list_name">uuid:{{ characteristicsData[0].uuid }}</view>
<view class="uni-list_item">
是否支持 read 操作:{{ characteristicsData[0].properties.read }}
</view>
<view class="uni-list_item">
是否支持 write 操作:{{ characteristicsData[0].properties.write }}
</view>
<view class="uni-list_item">
是否支持 notify 操作:{{ characteristicsData[0].properties.notify }}
</view>
<view class="uni-list_item">
是否支持 indicate 操作:{{ characteristicsData[0].properties.indicate }}
</view>
</view>
<!-- <button type="primary" :disabled="disabled[7]" @click="readBLECharacteristicValue">
读取特征值数据
</button>
<view v-if="valueChangeData.serviceId">
<view class="list-name">
特征值最新的值:{{ valueChangeData.value || '还没有最新值' }}
</view>
</view> -->
<!-- <button type="primary" :disabled="disabled[8]" @click="w">写入特征值数据</button> -->
<button type="primary" :disabled="disabled[9]" @click="closeBLEConnection">
断开蓝牙设备
</button>
<button type="primary" :disabled="disabled[10]" @click="closeBluetoothAdapter">
关闭蓝牙模块
</button>
</view>
</view>
<!-- 遮罩 -->
<view v-if="maskShow" class="uni-mask" @touchmove.stop.prevent="moveHandle" @click="maskclose">
<scroll-view class="uni-scroll_box" scroll-y @touchmove.stop.prevent="moveHandle" @click.stop="moveHandle">
<view class="uni-title">
已经发现{{ list.length }}{{ showMaskType === 'device' ? '台设备' : '个服务' }}:
</view>
<view
class="uni-list-box"
v-for="(item, index) in list"
:key="index"
@click="tapQuery(item)"
>
<view v-if="showMaskType === 'device'">
<view class="uni-list_name">{{ item.name || item.localName }}</view>
<view class="uni-list_item">信号强度:{{ item.RSSI }}dBm</view>
<view class="uni-list_item">UUID:{{ item.deviceId }}</view>
<!-- <view class="list-item" v-if="showMaskType === 'device'">
Service数量:{{ item.advertisServiceUUIDs.length }}
</view> -->
</view>
<view v-if="showMaskType === 'service'">
<view class="uni-list_item" style="line-height:2.2;">
UUID: {{ item.uuid }}
<text v-if="showMaskType === 'service'">
{{ item.isPrimary ? '（主服务）' : '' }}
</text>
</view>
</view>
<view v-if="showMaskType === 'characteristics'">
<view class="uni-list_name">uuid:{{ item.uuid }}</view>
<view class="uni-list_item">是否支持 read 操作:{{ item.properties.read }}</view>
<view class="uni-list_item">
是否支持 write 操作:{{ item.properties.write }}
</view>
<view class="uni-list_item">
是否支持 notify 操作:{{ item.properties.notify }}
</view>
<view class="uni-list_item">
是否支持 indicate 操作:{{ item.properties.indicate }}
</view>
</view>
</view>
</scroll-view>
</view>
</view>
</template>
<script>
export default {
data() {
return {
title: 'bluetooth',
disabled: [false, true, true, true, true, true, true, true, true, true, true],
newDeviceLoad: false,
searchLoad: false,
maskShow: false,
equipment: [],
adapterState: {
discovering: false,
available: false
},
connected: false,
showMaskType: 'device',
servicesData: [],
characteristicsData: [],
valueChangeData: {},
isStop:true ,
list: []
};
},
onLoad() {
this.onBLEConnectionStateChange();
},
methods: {
moveHandle() {},
/**
* 关闭遮罩
*/
maskclose(){
this.maskShow = false;
},
/**
* 选择设备
*/
queryDevices() {
// this.newDeviceLoad = true;
this.showMaskType = 'device';
this.maskShow = true;
},
tapQuery(item) {
if (this.showMaskType === 'device') {
this.$set(this.disabled, 4, false);
if (this.equipment.length > 0) {
this.equipment[0] = item;
} else {
this.equipment.push(item);
}
this.newDeviceLoad = false;
}
if (this.showMaskType === 'service') {
this.$set(this.disabled, 6, false);
if (this.servicesData.length > 0) {
this.servicesData[0] = item;
} else {
this.servicesData.push(item);
}
}
if (this.showMaskType === 'characteristics') {
this.$set(this.disabled, 7, false);
if (this.characteristicsData.length > 0) {
this.characteristicsData[0] = item;
} else {
this.characteristicsData.push(item);
}
}
this.maskShow = false;
},
/**
* 初始化蓝牙设备
*/
openBluetoothAdapter() {
uni.openBluetoothAdapter({
success: e => {
console.log('初始化蓝牙成功:' + e.errMsg);
console.log(JSON.stringify(e));
this.isStop = false ;
this.$set(this.disabled, 0, true);
this.$set(this.disabled, 1, false);
this.$set(this.disabled, 10, false);
this.getBluetoothAdapterState();
},
fail: e => {
console.log(e)
console.log('初始化蓝牙失败，错误码：' + (e.errCode || e.errMsg));
if (e.errCode !== 0) {
initTypes(e.errCode,e.errMsg);
}
}
});
},
/**
* 开始搜索蓝牙设备
*/
startBluetoothDevicesDiscovery() {
uni.startBluetoothDevicesDiscovery({
success: e => {
console.log('开始搜索蓝牙设备:' + e.errMsg);
this.searchLoad = true;
this.$set(this.disabled, 1, true);
this.$set(this.disabled, 2, false);
this.$set(this.disabled, 3, false);
this.onBluetoothDeviceFound();
},
fail: e => {
console.log('搜索蓝牙设备失败，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 停止搜索蓝牙设备
*/
stopBluetoothDevicesDiscovery(types) {
uni.stopBluetoothDevicesDiscovery({
success: e => {
console.log('停止搜索蓝牙设备:' + e.errMsg);
if (types) {
this.$set(this.disabled, 1, true);
} else {
this.$set(this.disabled, 1, false);
}
this.$set(this.disabled, 2, true);
// this.$set(this.disabled, 3, true);
this.searchLoad = false;
},
fail: e => {
console.log('停止搜索蓝牙设备失败，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 发现外围设备
*/
onBluetoothDeviceFound() {
uni.onBluetoothDeviceFound(devices => {
console.log('开始监听寻找到新设备的事件');
// this.$set(this.disabled, 3, false);
this.getBluetoothDevices();
});
},
/**
* 获取在蓝牙模块生效期间所有已发现的蓝牙设备。包括已经和本机处于连接状态的设备。
*/
getBluetoothDevices() {
uni.getBluetoothDevices({
success: res => {
this.newDeviceLoad = false;
console.log('获取蓝牙设备成功:' + res.errMsg);
// console.log(JSON.stringify(res))
this.list = res.devices;
},
fail: e => {
console.log('获取蓝牙设备错误，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 获取本机蓝牙适配器状态
*/
getBluetoothAdapterState() {
console.log('--->');
uni.getBluetoothAdapterState({
success: res => {
console.log(JSON.stringify(res));
this.adapterState = res;
},
fail: e => {
console.log('获取本机蓝牙适配器状态失败，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 连接低功耗蓝牙
*/
createBLEConnection() {
let deviceId = this.equipment[0].deviceId;
uni.showToast({
title: '连接蓝牙...',
icon: 'loading',
duration: 99999
});
uni.createBLEConnection({
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId,
success: res => {
console.log(res);
console.log('连接蓝牙成功:' + res.errMsg);
// 连接设备后断开搜索 并且不能搜索设备
this.stopBluetoothDevicesDiscovery(true);
uni.hideToast();
uni.showToast({
title: '连接成功',
icon: 'success',
duration: 2000
});
this.$set(this.disabled, 3, true);
this.$set(this.disabled, 4, true);
this.$set(this.disabled, 5, false);
this.$set(this.disabled, 9, false);
this.connected = true;
},
fail: e => {
console.log('连接低功耗蓝牙失败，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 断开与低功耗蓝牙设备的连接
*/
closeBLEConnection() {
let deviceId = this.equipment[0].deviceId;
uni.closeBLEConnection({
deviceId,
success: res => {
console.log(res);
console.log('断开低功耗蓝牙成功:' + res.errMsg);
this.$set(this.disabled, 1, false);
this.$set(this.disabled, 3, true);
this.$set(this.disabled, 4, true);
this.$set(this.disabled, 5, true);
this.$set(this.disabled, 6, true);
this.$set(this.disabled, 7, true);
this.$set(this.disabled, 8, true);
this.$set(this.disabled, 9, true);
this.equipment = [];
this.servicesData = [];
this.characteristicsData = [];
},
fail: e => {
console.log('断开低功耗蓝牙成功，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 获取所有服务
*/
getBLEDeviceServices() {
let deviceId = this.equipment[0].deviceId;
console.log('获取所有服务的 uuid:' + deviceId);
uni.getBLEDeviceServices({
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId,
success: res => {
console.log(JSON.stringify(res.services));
console.log('获取设备服务成功:' + res.errMsg);
this.$set(this.disabled, 7, true);
this.$set(this.disabled, 8, true);
this.showMaskType = 'service';
this.list = res.services;
this.characteristicsData = [];
if (this.list.length <= 0) {
toast('获取服务失败，请重试!');
return;
}
this.maskShow = true;
},
fail: e => {
console.log('获取设备服务失败，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 获取某个服务下的所有特征值
*/
getBLEDeviceCharacteristics() {
let deviceId = this.equipment[0].deviceId;
let serviceId = this.servicesData[0].uuid;
console.log(deviceId);
console.log(serviceId);
uni.getBLEDeviceCharacteristics({
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId,
// 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
serviceId,
success: res => {
console.log(JSON.stringify(res));
console.log('获取特征值成功:' + res.errMsg);
this.$set(this.disabled, 7, true);
this.valueChangeData = {};
this.showMaskType = 'characteristics';
this.list = res.characteristics;
if (this.list.length <= 0) {
toast('获取特征值失败，请重试!');
return;
}
this.maskShow = true;
},
fail: e => {
console.log('获取特征值失败，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
},
/**
* 监听低功耗蓝牙连接状态的改变事件。包括开发者主动连接或断开连接，设备丢失，连接异常断开等等
*/
onBLEConnectionStateChange() {
uni.onBLEConnectionStateChange(res => {
// 该方法回调中可以用于处理连接意外断开等异常情况
console.log(`蓝牙连接状态 -------------------------->`);
console.log(JSON.stringify(res));
if (!res.connected) {
if(this.isStop) return ;
console.log('断开低功耗蓝牙成功:');
this.$set(this.disabled, 1, false);
this.$set(this.disabled, 3, true);
this.$set(this.disabled, 4, true);
this.$set(this.disabled, 5, true);
this.$set(this.disabled, 6, true);
this.$set(this.disabled, 7, true);
this.$set(this.disabled, 8, true);
this.$set(this.disabled, 9, true);
this.searchLoad = false;
this.equipment = [];
this.servicesData = [];
this.characteristicsData = [];
this.valueChangeData = {};
toast('已经断开当前蓝牙连接');
}
});
},
/**
* 读取低功耗蓝牙设备的特征值的二进制数据值。注意：必须设备的特征值支持 read 才可以成功调用
*/
readBLECharacteristicValue() {
let deviceId = this.equipment[0].deviceId;
let serviceId = this.servicesData[0].uuid;
let characteristicId = this.characteristicsData[0].uuid;
console.log(deviceId);
console.log(serviceId);
console.log(characteristicId);
uni.readBLECharacteristicValue({
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId,
// 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
serviceId,
// 这里的 characteristicId 需要在 getBLEDeviceCharacteristics 接口中获取
characteristicId,
success: res => {
console.log('读取设备数据值成功');
console.log(JSON.stringify(res));
this.notifyBLECharacteristicValueChange();
},
fail(e) {
console.log('读取设备数据值失败，错误码：' + e.errCode);
if (e.errCode !== 0) {
initTypes(e.errCode);
}
}
});
this.onBLECharacteristicValueChange();
},
/**
* 监听低功耗蓝牙设备的特征值变化事件。必须先启用 notifyBLECharacteristicValueChange 接口才能接收到设备推送的 notification。
*/
onBLECharacteristicValueChange() {
// 必须在这里的回调才能获取
uni.onBLECharacteristicValueChange(characteristic => {
console.log('监听低功耗蓝牙设备的特征值变化事件成功');
console.log(JSON.stringify(characteristic));
this.valueChangeData = characteristic;
});
},
/**
* 订阅操作成功后需要设备主动更新特征值的 value，才会触发 uni.onBLECharacteristicValueChange 回调。
*/
notifyBLECharacteristicValueChange() {
let deviceId = this.equipment[0].deviceId;
let serviceId = this.servicesData[0].uuid;
let characteristicId = this.characteristicsData[0].uuid;
let notify = this.characteristicsData[0].properties.notify;
console.log(deviceId);
console.log(serviceId);
console.log(characteristicId);
console.log(notify);
uni.notifyBLECharacteristicValueChange({
state: true, // 启用 notify 功能
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId,
// 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
serviceId,
// 这里的 characteristicId 需要在 getBLEDeviceCharacteristics 接口中获取
characteristicId,
success(res) {
console.log('notifyBLECharacteristicValueChange success:' + res.errMsg);
console.log(JSON.stringify(res));
}
});
},
/**
* 断开蓝牙模块
*/
closeBluetoothAdapter(OBJECT) {
uni.closeBluetoothAdapter({
success: res => {
console.log('断开蓝牙模块成功');
this.isStop = true ;
this.$set(this.disabled, 0, false);
this.$set(this.disabled, 1, true);
this.$set(this.disabled, 2, true);
this.$set(this.disabled, 3, true);
this.$set(this.disabled, 4, true);
this.$set(this.disabled, 5, true);
this.$set(this.disabled, 6, true);
this.$set(this.disabled, 7, true);
this.$set(this.disabled, 8, true);
this.$set(this.disabled, 9, true);
this.$set(this.disabled, 10, true);
this.equipment = [];
this.servicesData = [];
this.characteristicsData = [];
this.valueChangeData = {};
this.adapterState = [];
this.searchLoad =false;
toast('断开蓝牙模块');
}
});
}
}
};
/**
* 判断初始化蓝牙状态
*/
function initTypes(code, errMsg) {
switch (code) {
case 10000:
toast('未初始化蓝牙适配器');
break;
case 10001:
toast('未检测到蓝牙，请打开蓝牙重试！');
break;
case 10002:
toast('没有找到指定设备');
break;
case 10003:
toast('连接失败');
break;
case 10004:
toast('没有找到指定服务');
break;
case 10005:
toast('没有找到指定特征值');
break;
case 10006:
toast('当前连接已断开');
break;
case 10007:
toast('当前特征值不支持此操作');
break;
case 10008:
toast('其余所有系统上报的异常');
break;
case 10009:
toast('Android 系统特有，系统版本低于 4.3 不支持 BLE');
break;
default:
toast(errMsg);
}
}
/**
* 弹出框封装
*/
function toast(content, showCancel = false) {
uni.showModal({
title: '提示',
content,
showCancel
});
}
</script>
<style>
.uni-title {
/* width: 100%; */
/* height: 80rpx; */
text-align: center;
}
.uni-mask {
position: fixed;
top: 0;
left: 0;
bottom: 0;
display: flex;
align-items: center;
width: 100%;
background: rgba(0, 0, 0, 0.6);
padding: 0 30rpx;
box-sizing: border-box;
}
.uni-scroll_box {
height: 70%;
background: #fff;
border-radius: 20rpx;
}
.uni-list-box {
margin: 0 20rpx;
padding: 15rpx 0;
border-bottom: 1px #f5f5f5 solid;
box-sizing: border-box;
}
.uni-list:last-child {
border: none;
}
.uni-list_name {
font-size: 30rpx;
color: #333;
}
.uni-list_item {
font-size: 24rpx;
color: #555;
line-height: 1.5;
}
.uni-success_box {
position: absolute;
left: 0;
bottom: 0;
min-height: 100rpx;
width: 100%;
background: #fff;
box-sizing: border-box;
border-top: 1px #eee solid;
}
.uni-success_sub {
/* width: 100%%; */
height: 100rpx;
display: flex;
justify-content: space-between;
align-items: center;
padding: 0 30rpx;
}
.uni-close_button {
padding: 0 20rpx;
height: 60rpx;
line-height: 60rpx;
background: #ce3c39;
color: #ffffff;
border-radius: 10rpx;
}
.uni-success_content {
height: 600rpx;
margin: 30rpx;
margin-top: 0;
border: 1px #eee solid;
padding: 30rpx;
}
.uni-content_list {
padding-bottom: 10rpx;
border-bottom: 1px #f5f5f5 solid;
}
.uni-tips {
text-align: center;
font-size: 24rpx;
color: #666;
}
</style>