adultDeviceApp/BLEPages/child/B68T.vue

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2025-08-14 18:30:31 +08:00
<template>
<view class="content skipping">
<view class="title" v-if="isConnection == 0">连接中请稍后...</view>
<view class="title" v-else-if="isConnection == 1">连接成功请开始测量</view>
<view class="title" style="color: brown;" v-else-if="isConnection == 2" @click="openBluetoothAdapter">连接失败点击重新连接
</view>
<div class="result-wrap">
<view class="result-item">
<view class="result-title">身高</view>
<view class="result-value">{{info.height}}cm</view>
</view>
<view class="result-item">
<view class="result-title">体重</view>
<view class="result-value">{{info.weight}}kg</view>
</view>
<view class="result-item">
<view class="result-title">骨量</view>
<view class="result-value">{{info.boneMass}}kg</view>
</view>
<view class="result-item">
<view class="result-title">阻抗</view>
<view class="result-value">{{info.impedance}}Ω</view>
</view>
<view class="result-item">
<view class="result-title">BMI</view>
<view class="result-value">{{info.bmi}}</view>
</view>
<view class="result-item">
<view class="result-title">内脏脂肪</view>
<view class="result-value">{{info.visceralFat}}%</view>
</view>
<view class="result-item">
<view class="result-title">脂肪率</view>
<view class="result-value">{{info.fatRate}}%</view>
</view>
<view class="result-item">
<view class="result-title">水分率</view>
<view class="result-value">{{info.waterRate}}%</view>
</view>
<view class="result-item">
<view class="result-title">肌肉率</view>
<view class="result-value">{{info.muscleRate}}%</view>
</view>
</div>
<view class="image">
<image mode="aspectFit" src="/BLEPages/static/H08B2.gif"></image>
</view>
<view class="tips">
<view>提示</view>
<view>1.请确定设备是开机状态</view>
<view>2.请确定手机蓝牙位置信息已打开</view>
<view>3.ios系统需打开设置>应用>微信里的蓝牙权限</view>
</view>
<div class="info-dlg" v-if="show_info">
<view class="info-inner">
<view class="info-item">
<text>性别</text>
<text class="man" :class="{'active':cur_sex==1}" @click="cur_sex=1"></text>
<text class="woman" :class="{'active':cur_sex==2}" @click="cur_sex=2"></text>
</view>
<view class="info-item">
<text>年龄</text>
<!-- <input type="text" placeholder="请输入年龄" v-model="cur_age"/>
-->
<picker class="age-select" mode="selector" :value="cur_age" :range="ageRange" @change="onAgeChange">
{{cur_age+1}}
</picker>
</view>
<view class="confirm" @click="setUserInfo">确定</view>
</view>
</div>
</view>
</template>
<script>
import {
mapState
} from "vuex";
export default {
data() {
return {
deviceId: "",
serviceId: "",
write: "",
notify: "",
cur_sex: 1,
cur_age: 27,
show_info: false,
ageRange: [],
ageIndex: 30,
send_err_count: 0,
info: {
bmi: 0,
weight: 0,
fatRate: 0, //脂肪率
waterRate: 0, //水分率
muscleRate: 0, //肌肉率,
boneMass: 0, //骨量
impedance: 0, //阻抗
height: 0, //身高
value: 0
},
isConnection: 0,
}
},
computed: {
...mapState(["user", "isConnected", "isBluetoothTyle", "appTheme"]),
},
mounted() {
let that = this
for (let i = 1; i <= 100; i++) {
that.ageRange.push(i);
}
let sex = uni.getStorageSync('sex')
let age = uni.getStorageSync('age')
that.cur_sex = sex ? sex : 1
that.cur_age = age ? age : 27
},
onLoad(options) {
let that = this
if (options && options.deviceId) {
that.deviceId = options.deviceId
that.stopBluetoothDevicesDiscovery()
that.createBLEConnection()
that.onBLEConnectionStateChange()
uni.onBluetoothAdapterStateChange(function(res) {
that.$store.commit("changeBluetooth", res.available);
})
} else {
// uni.showToast({
// title: '设备错误,请重新连接',
// icon: "error"
// })
// uni.switchTab({
// url: "/pages/index/index"
// })
}
},
onUnload: function() {
let that = this
if (!that.Unload) {
that.handleBack()
uni.switchTab({
url: "/pages/index/index"
})
console.log("返回上一个页面")
}
},
watch: {
isConnected: function() {
let that = this
if (!that.isConnected) {
that.handleBack()
that.isConnection = 2
}
},
isBluetoothTyle: function() {
let that = this
if (!that.isBluetoothTyle) {
that.handleBack()
that.isConnection = 2
}
},
},
methods: {
setUserInfo() {
let that = this
uni.setStorageSync('sex', that.cur_sex)
uni.setStorageSync('age', that.cur_age)
that.show_info = false
that.sendCommand(that.cur_sex, that.cur_age + 1);
},
onAgeChange(e) {
this.cur_age = parseInt(e.detail.value)
},
openBluetoothAdapter() {
let that = this
that.isConnection = 0
uni.openBluetoothAdapter({
success: e => {
console.log("初始化设备")
that.startBluetoothDeviceDiscovery()
},
fail: e => {
that.$tools.msg("请确定设备是开机状态、手机蓝牙权限已打开!")
}
});
},
// 开始搜寻附近的蓝牙外围设备
startBluetoothDeviceDiscovery() {
let that = this
uni.startBluetoothDevicesDiscovery({
allowDuplicatesKey: true,
success: res => {
console.log("开始搜索")
that.onBluetoothDeviceFound();
},
fail: res => {
that.$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
*/
onBluetoothDeviceFound() {
var that = this;
uni.onBluetoothDeviceFound(res => {
res.devices.forEach(device => {
if (!device.name && !device.localName) {
return
}
if (device.name.indexOf('JS-B68T') != -1 || (device.localName && device.localName.toLowerCase()
.indexOf('JS-B68T') != -1)) {
this.deviceId = device.deviceId
that.stopBluetoothDevicesDiscovery()
that.createBLEConnection()
}
})
});
},
// 连接蓝牙
createBLEConnection() {
let that = this;
that.isConnection = 0
uni.createBLEConnection({
deviceId: that.deviceId,
success: res => {
that.getBLEDeviceServices()
},
fail: res => {
console.log("设备连接失败,请重新连接", res);
}
});
},
/**
* 获取设备的UUID
*/
getBLEDeviceServices() {
let serviceList = [];
let that = this;
uni.getBLEDeviceServices({
deviceId: that.deviceId,
success: res => {
console.log("获取设备的UUID成功", res)
serviceList = res.services;
for (let i = 0; i < serviceList.length; i++) {
let service = serviceList[i];
if (service.uuid.indexOf("00001910") != -1) {
that.serviceId = service.uuid;
that.getBLEDeviceCharacteristics();
break;
}
}
},
fail: res => {
console.log('获取设备的UUID失败:', res)
}
});
},
/**
* 获取指定服务的特征值
*/
getBLEDeviceCharacteristics() {
let characteristicsList = [];
let that = this;
uni.getBLEDeviceCharacteristics({
deviceId: that.deviceId,
serviceId: that.serviceId,
success: res => {
console.log("服务的特征值成功", res)
for (let i = 0; i < res.characteristics.length; i++) {
let item = res.characteristics[i];
if (item.uuid.indexOf('00002B10') != -1) {
that.write = item.uuid
} else if (item.uuid.indexOf('00002B11') != -1) {
that.notify = item.uuid
}
}
uni.notifyBLECharacteristicValueChange({
deviceId: that.deviceId,
serviceId: that.serviceId,
characteristicId: that.notify,
state: true,
success: () => {
setTimeout(() => {
that.show_info = true
}, 1000);
uni.onBLECharacteristicValueChange(function(res) {
console.log(res.value)
const raw = new Uint8Array(res.value);
if (raw[0] == 0x55 && raw[1] == 0xAA) {
that.isConnection = 1
that.send_err_count = 0
uni.showToast({
title: '年龄信息发送成功,请开始测量'
})
return
}
if(raw[0] == 0x55 && raw[1] == 0xBB) {
if(that.send_err_count > 2) {
that.isConnection = 2
uni.showToast({
title: '年龄信息发送失败,请重新连接'
})
return
}
that.send_err_count++
that.setUserInfo()
return
}
if(raw[0] == 0x5A) {
// 体重(高低位组合, 实际值的100倍)
that.info.weight = ((raw[2] << 8) | raw[3]) / 100.0
if (that.info.weight < 1) {
that.info.weight = ((raw[2] << 8) | raw[3])
}
// 脂肪率(高低位组合, 实际值的10倍)
that.info.fatRate = ((raw[4] << 8) | raw[5]) / 10.0
// 水分率(高低位组合, 实际值的10倍)
that.info.waterRate = ((raw[6] << 8) | raw[7]) / 10.0
// 肌肉率(高低位组合, 实际值的10倍)
that.info.muscleRate = ((raw[8] << 8) | raw[9]) / 10.0
// 骨量(高低位组合, 实际值的10倍)
that.info.boneMass = ((raw[10] << 8) | raw[11]) / 10.0
// 阻抗(高位和低位组合)
that.info.impedance = (raw[12] << 8) | raw[13]
//BMI
that.info.bmi = ((raw[14] << 8) | raw[16]) / 10.0;
// 身高(高低位组合, 厘米)
that.info.height = raw[15]
if (raw.length == 18 && raw[17] == 0xA5) {
that.handleGetMeasure()
}
}
})
},
fail: res => {
console.log('获取特征值失败:', JSON.stringify(res))
}
})
},
fail: res => {
console.log('获取特征值失败:', JSON.stringify(res))
}
})
},
// 发送指令到设备
sendCommand(gender, age) {
let that = this;
// 创建11字节Buffer (协议要求长度)
const buffer = new ArrayBuffer(10);
const bytes = new Uint8Array(buffer);
// 填充固定数据
bytes[0] = 0x02; // 开始字节
bytes[1] = 0x53; // 备用1
// 设置性别 (根据参数动态设置)
bytes[2] = gender === 2 ? 0x31 : 0x30; // 女0x31, 男0x30
// 填充4字节固定数据 (0x30)
bytes[3] = 0x30;
bytes[4] = 0x30;
bytes[5] = 0x30;
// 处理年龄转换为两位ASCII字符串
const ageStr = age.toString().padStart(2, '0');
bytes[6] = ageStr.charCodeAt(0); // 十位ASCII
bytes[7] = ageStr.charCodeAt(1); // 个位ASCII
// 动态计算校验码 (异或0x02到年龄个位)
let checksum = bytes[0];
for (let i = 1; i <= 7; i++) {
checksum ^= bytes[i];
}
bytes[8] = checksum;
// 结束字节
bytes[9] = 0x03;
// 发送数据
uni.writeBLECharacteristicValue({
deviceId: that.deviceId,
serviceId: that.serviceId,
characteristicId: that.write,
value: buffer,
success: () => {
},
fail: (err) => {
uni.showToast({
title: '发送失败'
})
}
});
},
// 保存测量结果
handleGetMeasure() {
// let that = this
// if (that.info.active == 3 && that.weight == 0 && that.Ycount != 0) {
// console.log("1", that.weight, that.Ycount)
// that.weight = that.Ycount
// } else if (that.info.active == 3 && that.weight != 0 && that.Ycount != 0) {
// console.log("2", that.weight, that.Ycount)
// that.weight = Number(that.Ycount) - Number(that.weight)
// }
// if (that.info.active == 2) {
// that.time_m = Math.floor((that.time % 3600) / 60)
// that.time_s = that.time % 60
// }
// that.$model.getskipResult({
// aud_id: uni.getStorageSync('userid'),
// kcal: Math.floor(that.kcal),
// num: that.weight,
// time_m: Number(that.time_m),
// time_s: that.time_s,
// type: that.info.active == 1 ? 'free' : that.info.active == 2 ? 'time' : 'num'
// }).then(res => {
// console.log("保存", that.time, res)
// if (res.code == 0) {
// that.bpm = that.weight / (that.time / 60)
// that.iswrapper = true
// that.$store.dispatch('getUserInfo', {
// aud_id: uni.getStorageSync('userid')
// })
// } else {
// that.$tools.msg(res.msg)
// }
// })
},
onBLEConnectionStateChange() {
let that = this
uni.onBLEConnectionStateChange(function(res) {
console.log("监听蓝牙连接状态", res.connected)
if (!res.connected) {
that.stopBluetoothDevicesDiscovery()
that.closeBLEConnection()
that.closeBluetoothAdapter()
that.isConnection = 2
}
that.$store.commit("changeConnected", res.connected);
})
},
handleBack(ind) {
let that = this
that.stopBluetoothDevicesDiscovery() //取消蓝牙搜索
that.closeBLEConnection()
that.closeBluetoothAdapter()
},
/**
* 停止搜索蓝牙设备
*/
stopBluetoothDevicesDiscovery() {
uni.stopBluetoothDevicesDiscovery({
success: e => {
console.log("停止搜索蓝牙设备", e)
},
});
},
/**
* 断开蓝牙模块
*/
closeBluetoothAdapter() {
let that = this;
uni.closeBluetoothAdapter({
success: res => {
console.log('蓝牙模块关闭成功');
}
})
},
/**
* 断开蓝牙连接
*/
closeBLEConnection() {
var that = this;
uni.closeBLEConnection({
deviceId: that.deviceId,
success: res => {
console.log('断开蓝牙连接成功');
}
});
},
}
}
</script>
<style lang="scss" scoped>
.title {
width: 100%;
text-align: center;
font-size: 36rpx;
font-weight: 700;
margin: 20rpx 0;
}
.result-wrap {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
padding: 30rpx;
box-sizing: border-box;
.result-item {
display: flex;
justify-content: flex-start;
align-items: center;
width: 48%;
padding: 20rpx;
margin-top: 16rpx;
box-sizing: border-box;
border-radius: 12rpx;
background-color: #fff;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
.result-title {
flex: 150rpx 0 0;
font-size: 32rpx;
font-weight: 600;
color: #4b6cb7;
}
.result-value {
flex: 1;
font-size: 32rpx;
font-weight: 700;
color: #182848;
margin-top: 5rpx;
text-align: right;
}
}
}
.tips {
font-weight: 700;
padding: 0 20rpx;
box-sizing: border-box;
}
.image {
display: flex;
justify-content: center;
margin-top: 20rpx;
}
.info-dlg {
display: flex;
justify-content: center;
align-items: center;
position: fixed;
left: 0;
top: 0;
width: 100%;
height: 100%;
z-index: 99;
background-color: rgba(0, 0, 0, 0.8);
.info-inner {
width: 65%;
height: 350rpx;
border-radius: 20rpx;
background-color: #fff;
padding: 80rpx 50rpx;
box-sizing: border-box;
.info-item {
display: flex;
margin-bottom: 30rpx;
text {
font-size: 36rpx;
font-weight: 700;
}
.man,
.woman {
width: 120rpx;
height: 50rpx;
font-size: 28rpx;
line-height: 50rpx;
text-align: center;
border-radius: 8rpx;
border: 1px solid #e1e1e1;
margin-right: 10rpx;
&.active {
color: #fff;
}
}
.man.active {
background-color: #74b9ff;
}
.woman.active {
background-color: #fd79a8;
}
.age-select {
width: 210rpx;
height: 50rpx;
line-height: 50rpx;
border-radius: 8rpx;
padding: 0 20rpx;
border: 1px solid #e1e1e1;
}
}
.confirm {
width: 200rpx;
height: 50rpx;
color: #fff;
font-size: 32rpx;
line-height: 50rpx;
text-align: center;
margin: 0 auto;
background-color: #2ecc71;
}
.info-item:last-child {
margin-top: 50rpx;
}
}
}
</style>