618 lines
18 KiB
Vue
618 lines
18 KiB
Vue
<template>
|
||
<view class="weightPages">
|
||
<view class="table" v-if="isConnection == 0">测量中，请将食物放到秤上</view>
|
||
<view class="table" v-if="isConnection == 1" @click="openBluetoothAdapter">连接失败，点击重新连接</view>
|
||
<view class="image" v-if="isConnection != 3">
|
||
<image src="../static/cheng.png"></image>
|
||
</view>
|
||
<view v-if="isConnection == 3">
|
||
<view class="weight-wrap">
|
||
<view class="weight">
|
||
<text class="val">{{weight == '' ? '--':weight}}</text>
|
||
<text class="unit">{{unitConversion(dw)}}</text>
|
||
</view>
|
||
<view class="kcal">
|
||
<text class="val">{{kcal == '' ? 0 : kcal}}</text>
|
||
<text class="unit">千卡</text>
|
||
</view>
|
||
</view>
|
||
<view class="tips">
|
||
注：重新测量可更新当前数据
|
||
</view>
|
||
<view class="groupbtn" v-if="weightType!=2">
|
||
<view class="btn" @click="handleDetailSub">完成</view>
|
||
<view class="btn" @click="handleDetailNext" v-if="!stopblue">下一位</view>
|
||
</view>
|
||
<view class="btn" @click="handlesub" v-if="weightType==2">确认添加</view>
|
||
</view>
|
||
<view class="tips" v-if="isConnection == 1">
|
||
<uni-icons type="info-filled" color="#dd524d" size="20"></uni-icons>
|
||
请确定设备是开机状态、手机蓝牙权限已打开！
|
||
</view>
|
||
</view>
|
||
</template>
|
||
|
||
<script>
|
||
import {
|
||
mapState
|
||
} from "vuex";
|
||
let myTime
|
||
let nextCnt = 0
|
||
export default {
|
||
data() {
|
||
return {
|
||
dw: "g",
|
||
kcal: 0,
|
||
weight: "",
|
||
weightALL: "",
|
||
unit: '',
|
||
weight0: 0,
|
||
stopblue: false,
|
||
isConnection: 0, //是否连接成功
|
||
units: ['kg', '斤', 'st:lb', 'lb', 'g', 'ml', 'Waterml',
|
||
'milkml', 'oz', 'floz', 'lboz'
|
||
]
|
||
}
|
||
},
|
||
props: {
|
||
weightKcal: {
|
||
type: Number,
|
||
default: 0 //当前测量食物每100g含的kcal
|
||
},
|
||
weightType: {
|
||
type: Number,
|
||
default: -1 //0分类测量,1累计测量,2购物车测量
|
||
},
|
||
isLast: {
|
||
type: Boolean,
|
||
default: false
|
||
}
|
||
},
|
||
computed: {
|
||
...mapState(["user", 'isConnected', "isBluetoothTyle"]),
|
||
},
|
||
mounted() {
|
||
let that = this
|
||
console.log("mounted_new", that.weightType)
|
||
that.openBluetoothAdapter()
|
||
that.onBLEConnectionStateChange()
|
||
uni.onBluetoothAdapterStateChange(function(res) {
|
||
that.$store.commit("changeBluetooth", res.available);
|
||
})
|
||
},
|
||
destroyed() {
|
||
this.isConnection = 1
|
||
this.closeBLEConnection()
|
||
this.closeBluetoothAdapter()
|
||
},
|
||
watch: {
|
||
// weightType: function() {
|
||
// let that = this
|
||
// that.openBluetoothAdapter()
|
||
// },
|
||
isBluetoothTyle: function() {
|
||
let that = this
|
||
if (!that.isBluetoothTyle) {
|
||
that.handleBack()
|
||
}
|
||
},
|
||
isLast: function() {
|
||
let that = this
|
||
that.stopblue = that.isLast
|
||
console.log("最后", this.isLast)
|
||
|
||
}
|
||
},
|
||
methods: {
|
||
// 初始化蓝牙
|
||
openBluetoothAdapter() {
|
||
let that = this
|
||
that.weight = ""
|
||
that.kcal = ""
|
||
uni.openBluetoothAdapter({
|
||
success: e => {
|
||
that.isConnection = 0
|
||
that.startBluetoothDeviceDiscovery()
|
||
},
|
||
fail: e => {
|
||
that.isConnection = 1
|
||
console.log('openBluetoothAdapter', e)
|
||
that.$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,
|
||
services: [
|
||
// "F0A0",
|
||
// "A5FE"
|
||
],
|
||
success: res => {
|
||
that.isConnection = 0
|
||
that.onBluetoothDeviceFound();
|
||
},
|
||
fail: res => {
|
||
that.isConnection = 1
|
||
console.log('startBluetoothDeviceDiscovery', res)
|
||
that.$tools.msg("请确定设备是开机状态、手机蓝牙权限已打开！")
|
||
}
|
||
});
|
||
},
|
||
// 监听蓝牙连接状态
|
||
onBLEConnectionStateChange() {
|
||
let that = this
|
||
uni.onBLEConnectionStateChange(function(res) {
|
||
console.log("监听蓝牙连接状态", res.connected)
|
||
if (!res.connected) {
|
||
that.isConnection = 1
|
||
that.closeBLEConnection()
|
||
that.closeBluetoothAdapter()
|
||
}
|
||
that.$store.commit("changeConnected", res.connected);
|
||
})
|
||
},
|
||
/**
|
||
* 停止搜索蓝牙设备
|
||
*/
|
||
stopBluetoothDevicesDiscovery() {
|
||
uni.stopBluetoothDevicesDiscovery({
|
||
success: e => {
|
||
console.log("停止搜索蓝牙设备", e)
|
||
},
|
||
});
|
||
},
|
||
/**
|
||
* 发现外围设备
|
||
*/
|
||
onBluetoothDeviceFound() {
|
||
var that = this;
|
||
that.isConnection = 0
|
||
uni.onBluetoothDeviceFound(res => {
|
||
res.devices.forEach(device => {
|
||
device.advertisData = device.advertisData ? device.advertisData : ''
|
||
device.advertisServiceUUIDs = device.advertisServiceUUIDs ? device.advertisServiceUUIDs : ""
|
||
let value = that.$tools.ab2hex(device.advertisData, "")
|
||
let id = value.substring(0, 4)
|
||
if (!device.name && !device.localName) {
|
||
return
|
||
}
|
||
if (device.name.indexOf("EL") !== -1 && device.advertisServiceUUIDs != '') {
|
||
that.isConnection = 3
|
||
let value = that.$tools.ab2hex(device.advertisData)
|
||
let parseDataRes = plugin.parseBroadcastData(device.advertisData)
|
||
let analyzeData = plugin.analyzeBroadcastScaleData(parseDataRes)
|
||
let analyzeDataText = analyzeData.text
|
||
let data = analyzeData.data
|
||
if (parseDataRes.status == 1) {
|
||
let data0 = parseDataRes.payload
|
||
let data = parseInt(data0[3]).toString(16)
|
||
console.log('data：' + data)
|
||
let data1 = parseInt(data0[4]).toString(16)
|
||
let data2 = parseInt((data + data1), 16) //重量
|
||
//
|
||
let unit0 = parseInt(data0[5]).toString(16) //单位小数点
|
||
let unit = unit0.length > 1 ? unit0.substring(1, 2) : unit0 //单位
|
||
let num = parseInt(unit0.substring(0, 1), 16).toString(8)
|
||
let dot = num.toString().substring(0, 1) //小数点
|
||
let zfz = 0 //正负值
|
||
if (num.toString().length > 1) {
|
||
dot = num.toString().substring(1, 2)
|
||
zfz = num.toString().substring(0, 1)
|
||
}
|
||
if(unit == '0') {
|
||
that.dw = 'g'
|
||
}
|
||
if (unit == "7") {
|
||
that.dw = "ml"
|
||
}
|
||
if (unit == "3") {
|
||
that.dw = "oz"
|
||
}
|
||
if (unit == "2") {
|
||
that.dw = "lb'oz"
|
||
}
|
||
|
||
if (dot == "1") {
|
||
data2 = data2 / 10
|
||
}
|
||
if (dot == "2") {
|
||
data2 = data2 / 100
|
||
}
|
||
if (zfz == "0") {
|
||
data2 = data2
|
||
}
|
||
if (zfz == "1") {
|
||
data2 = "-" + data2
|
||
}
|
||
that.weight = data2
|
||
that.kcal = (Number(that.weightKcal) / 100 * data2).toFixed(2)
|
||
that.$emit('realTimeWeight',data2,that.dw)
|
||
}
|
||
}else if(device.name.indexOf('Chipsea-BLE') != -1 || device.localName.indexOf('Chipsea-BLE') != -1 || id == 'a5fe') {
|
||
that.stopBluetoothDevicesDiscovery()
|
||
that.connectDevice(device.deviceId)
|
||
}
|
||
})
|
||
});
|
||
},
|
||
//连接设备
|
||
async connectDevice(device_id) {
|
||
let that = this;
|
||
uni.createBLEConnection({
|
||
deviceId: device_id,
|
||
success: res => {
|
||
setTimeout(function() {
|
||
that.getBLEDeviceServices(device_id)
|
||
}, 200)
|
||
},
|
||
fail: res => {
|
||
console.log("设备连接失败，请重新连接", res);
|
||
}
|
||
});
|
||
},
|
||
/**
|
||
* 获取设备的UUID
|
||
*/
|
||
getBLEDeviceServices(device_id) {
|
||
let serviceList = [];
|
||
let that = this;
|
||
uni.getBLEDeviceServices({
|
||
deviceId: device_id,
|
||
success: res => {
|
||
console.log("获取设备的UUID成功", res)
|
||
serviceList = res.services;
|
||
for (let i = 0; i < serviceList.length; i++) {
|
||
let service = serviceList[i];
|
||
if (service.uuid.indexOf("FFF0") != -1) {
|
||
that.getBLEDeviceCharacteristics(device_id, service.uuid);
|
||
break;
|
||
}
|
||
}
|
||
},
|
||
fail: res => {
|
||
console.log('获取设备的UUID失败:', res)
|
||
}
|
||
});
|
||
},
|
||
/**
|
||
* 获取指定服务的特征值
|
||
*/
|
||
getBLEDeviceCharacteristics(deviceId, serviceId) {
|
||
let characteristicsList = [];
|
||
let that = this;
|
||
uni.getBLEDeviceCharacteristics({
|
||
deviceId: deviceId,
|
||
serviceId: serviceId,
|
||
success: res => {
|
||
console.log("服务的特征值成功", res)
|
||
let write, notify
|
||
for (let i = 0; i < res.characteristics.length; i++) {
|
||
let item = res.characteristics[i];
|
||
if (item.uuid.indexOf('0000FFF2') != -1) {
|
||
write = item.uuid
|
||
} else if (item.uuid.indexOf('0000FFF1') != -1) {
|
||
notify = item.uuid
|
||
}
|
||
}
|
||
|
||
uni.notifyBLECharacteristicValueChange({
|
||
deviceId: deviceId,
|
||
serviceId: serviceId,
|
||
characteristicId: notify,
|
||
state: true,
|
||
success: () => {
|
||
that.isConnection = 3
|
||
that.$emit('connect_success')
|
||
|
||
uni.onBLECharacteristicValueChange(function(res) {
|
||
const value = res.value
|
||
const dataView = new DataView(value)
|
||
const header = dataView.getUint8(0)
|
||
|
||
// MCU主动上报数据
|
||
if (header === 0xC7) {
|
||
const cmd = dataView.getUint8(2)
|
||
|
||
switch (cmd) {
|
||
case 0x02:
|
||
that.parseWeightData(dataView)
|
||
break
|
||
|
||
case 0x03:
|
||
break
|
||
}
|
||
}
|
||
})
|
||
},
|
||
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))
|
||
}
|
||
})
|
||
},
|
||
parseWeightData(dataView) {
|
||
const statusByte = dataView.getUint8(4)
|
||
const isNegative = !!(statusByte & 0x80) // 最高位表示正负
|
||
const statusType = statusByte & 0x0F // 状态类型
|
||
|
||
// 组合24位重量值 (大端序)
|
||
const weightValue =
|
||
(dataView.getUint8(5) << 16) |
|
||
(dataView.getUint8(6) << 8) |
|
||
dataView.getUint8(7)
|
||
|
||
// 精度和单位
|
||
const unitByte = dataView.getUint8(8)
|
||
const precision = (unitByte & 0xF0) >> 4 // 高4位精度
|
||
const unitIndex = unitByte & 0x0F // 低4位单位
|
||
|
||
// 计算实际重量
|
||
let finalWeight = weightValue / Math.pow(10, precision)
|
||
if (isNegative) finalWeight = -finalWeight
|
||
|
||
// 更新状态
|
||
this.weight = finalWeight
|
||
this.dw = this.units[unitIndex] || 'g'
|
||
this.kcal = (Number(this.weightKcal) / 100 * finalWeight).toFixed(2)
|
||
// console.log('重量：' + finalWeight)
|
||
// console.log('单位：' + this.unit)
|
||
this.$emit('realTimeWeight',finalWeight,this.dw)
|
||
|
||
// 状态处理
|
||
// if (statusType === 0x02) {
|
||
// this.$emit('handleBle', finalWeight,this.unit,0)
|
||
// }
|
||
},
|
||
// 保存测量结果
|
||
handlesub() {
|
||
let that = this
|
||
console.log("weight", that.weight)
|
||
if (Number(that.weight) > 0) {
|
||
that.$emit("handleBle", that.weight, that.dw, that.kcal)
|
||
// that.stopBluetoothDevicesDiscovery() //取消蓝牙搜索
|
||
// that.closeBLEConnection()
|
||
// that.closeBluetoothAdapter()
|
||
} else {
|
||
that.$tools.msg("数据异常，请清零后重新测量!")
|
||
}
|
||
|
||
},
|
||
// 备料完成
|
||
handleDetailSub() {
|
||
let that = this
|
||
if (that.weightType == 1) { //累计测量
|
||
// that.weight0 = Number(that.weight) - Number(that.weightALL)
|
||
that.weight0 = Number((Number(that.weight) - Number(that.weightALL)).toFixed(2))
|
||
if(that.weight0 > 0) {
|
||
that.weightALL = that.weight
|
||
}else {
|
||
that.$tools.msg("数据异常，请清零后重新测量!")
|
||
}
|
||
} else {
|
||
that.weight0 = that.weight
|
||
}
|
||
if (Number(that.weight0) > 0) {
|
||
that.$emit("handleDetailSub", that.weight0, that.dw, that.kcal)
|
||
// that.stopBluetoothDevicesDiscovery() //取消蓝牙搜索
|
||
// that.closeBLEConnection()
|
||
// that.closeBluetoothAdapter()
|
||
that.weight = 0
|
||
that.weight0 = 0
|
||
} else {
|
||
that.$tools.msg("数据异常，请重新测量!")
|
||
}
|
||
},
|
||
//备料下一个
|
||
handleDetailNext() {
|
||
let that = this
|
||
if (that.weightType == 1) {
|
||
console.log('weight：' + that.weight)
|
||
console.log('weight0：' + that.weight0)
|
||
console.log('weightALL：' + that.weightALL)
|
||
// that.weight0 = Number(that.weight) - Number(that.weightALL)
|
||
that.weight0 = Number((Number(that.weight) - Number(that.weightALL)).toFixed(2))
|
||
if(that.weight0 > 0) {
|
||
that.weightALL = that.weight
|
||
}else {
|
||
that.$tools.msg("数据异常，请清零后重新测量!")
|
||
}
|
||
} else {
|
||
that.weight0 = that.weight
|
||
}
|
||
|
||
if (Number(that.weight0) > 0) {
|
||
that.$emit("handleDetailNext", that.weight0, that.dw, that.kcal)
|
||
that.weight = 0
|
||
that.weight0 = 0
|
||
} else {
|
||
that.$tools.msg("数据异常，请清零后重新测量!")
|
||
}
|
||
},
|
||
|
||
handlechongzhi(weight) {
|
||
let that = this
|
||
console.log('当前总重：' + that.weightALL)
|
||
console.log('重置重量：' + weight)
|
||
if (that.weightType == 1) {
|
||
that.weightALL = Number((Number(that.weightALL) - Number(weight)).toFixed(2))
|
||
console.log('剩余重量：' + that.weightALL)
|
||
}
|
||
},
|
||
|
||
handleBack() {
|
||
let that = this
|
||
that.isConnection = 1
|
||
that.stopBluetoothDevicesDiscovery() //取消蓝牙搜索
|
||
that.closeBLEConnection()
|
||
that.closeBluetoothAdapter()
|
||
},
|
||
/**
|
||
* 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');
|
||
}
|
||
});
|
||
},
|
||
unitConversion(unit) {
|
||
if(unit == 'kcal') {
|
||
return '千卡'
|
||
}else if(unit == 'g') {
|
||
return '克'
|
||
}else if(unit == 'lb') {
|
||
return '磅'
|
||
}else if(unit =='oz') {
|
||
return '盎司'
|
||
}
|
||
return unit
|
||
}
|
||
// isNutritionScale(advertisData) {
|
||
// const buffer = this.base64ToArrayBuffer(advertisData)
|
||
// const dataView = new DataView(buffer)
|
||
|
||
// // 检查厂商自定义数据头
|
||
// if (dataView.getUint16(0) !== 0xA5FE) return false
|
||
|
||
// // 检查产品类型 (营养秤:0x0001)
|
||
// const typeId = dataView.getUint16(2)
|
||
// if (typeId !== 0x0001) return false
|
||
|
||
// // 检查厂商ID (通用方案:0x0001)
|
||
// const vendorId = dataView.getUint16(4)
|
||
// return vendorId === 0x0001
|
||
// },
|
||
// base64ToArrayBuffer(base64) {
|
||
// const str = atob(base64)
|
||
// const buffer = new ArrayBuffer(str.length)
|
||
// const view = new Uint8Array(buffer)
|
||
// for (let i = 0; i < str.length; i++) {
|
||
// view[i] = str.charCodeAt(i)
|
||
// }
|
||
// return buffer
|
||
// }
|
||
},
|
||
}
|
||
</script>
|
||
|
||
<style scoped lang="scss">
|
||
.weightPages {
|
||
display: flex;
|
||
flex-wrap: wrap;
|
||
flex-direction: column;
|
||
position: relative;
|
||
justify-content: space-around;
|
||
|
||
.weight-wrap {
|
||
display: flex;
|
||
flex-direction: column;
|
||
align-items: center;
|
||
background: #fff;
|
||
color: #666;
|
||
font-size: 16px;
|
||
flex-wrap: wrap;
|
||
text-align: center;
|
||
|
||
.weight, .kcal {
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
width: 70%;
|
||
padding: 40rpx 0;
|
||
border-radius: 20rpx;
|
||
background-color: #F8F8F8;
|
||
}
|
||
.weight {
|
||
margin-bottom: 30rpx;
|
||
.val {
|
||
font-size: 40rpx;
|
||
color: #F0AE43;
|
||
margin: 0 !important;
|
||
}
|
||
.unit {
|
||
padding: 10rpx;
|
||
margin-left: 30rpx;
|
||
font-size: 28rpx;
|
||
color: #fff;
|
||
border-radius: 8rpx;
|
||
background-color: #F0AE43;
|
||
}
|
||
}
|
||
.kcal {
|
||
font-size: 32rpx;
|
||
.val {
|
||
font-size: 40rpx;
|
||
color: #F0AE43;
|
||
margin: 0 !important;
|
||
}
|
||
.unit {
|
||
margin-left: 20rpx;
|
||
}
|
||
}
|
||
}
|
||
|
||
.tips {
|
||
font-size: 12px;
|
||
text-align: center;
|
||
}
|
||
|
||
.btn {
|
||
color: #fff;
|
||
width: 80%;
|
||
margin-left: 10%
|
||
}
|
||
|
||
.groupbtn {
|
||
.btn {
|
||
color: #000 !important;
|
||
}
|
||
}
|
||
|
||
.table {
|
||
width: 100%;
|
||
font-size: 16px;
|
||
font-weight: bold;
|
||
text-align: center;
|
||
margin: 15px 0;
|
||
}
|
||
|
||
.image {
|
||
width: 160px;
|
||
height: 160px;
|
||
margin: auto;
|
||
|
||
image {
|
||
width: 100%;
|
||
height: 100%;
|
||
}
|
||
}
|
||
|
||
.tips {
|
||
margin-top: 40rpx;
|
||
margin-left: 15px;
|
||
display: flex;
|
||
color: #999;
|
||
}
|
||
}
|
||
</style> |