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