426 lines
9.1 KiB
Vue
426 lines
9.1 KiB
Vue
<template>
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<view class="weightPages">
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<view class="table">
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<view class="text">
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<image src="/static/zhong.png"></image>
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<text @click="openBluetoothAdapter">{{bleTipsText}}</text>
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</view>
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<view class="duan" @click="handleBack" v-if="isShow&&isConnection == 0">
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断开连接
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</view>
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</view>
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<!-- -->
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<view class="weight-wrap">
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<!-- 蓝牙称重 -->
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<view class="weight" @click="inputDialogToggle">
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<text class="val">{{weight == '' ? '--':weight}}</text>
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<text class="unit">{{unit}}</text>
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</view>
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</view>
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<!-- -->
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<view class="groupbtn">
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<view class="btn danwei">
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<view class="lan border-bottom">
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<view class="right">
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<picker mode="selector" :range="unitList" range-key="name" @change="changleUnits"
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:value="unitListIndex">
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<view class="uni-input">
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单位
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</view>
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</picker>
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</view>
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</view>
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</view>
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<view class="btn addbtn size14" @click="handlesub" v-if="weightType==2&&btnType==2">保存</view>
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<view class="btn addbtn" @click="handleAddFood" v-if="weightType==2&&btnType==1">+</view>
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<view class="btn qingling" @click="handleqingling">清零</view>
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</view>
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<!-- -->
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<view>
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<uni-popup ref="popup" type="dialog">
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<uni-popup-dialog mode="input" title="重量" placeholder="请输入食物重量" @close="close"
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@confirm="confirm"></uni-popup-dialog>
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</uni-popup>
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</view>
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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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let myTime
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let nextCnt = 0
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export default {
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data() {
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return {
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kcal: 0,
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unit: '',
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bleTipsText: "",
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inputDialog: false,
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unitList: [{
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name: "克",
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id: '00',
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unit: "g"
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}, {
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name: "盎司",
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id: "08",
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unit: "oz"
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}],
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unitListIndex: 0,
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units: ['kg', '斤', 'st:lb', 'lb', 'g', 'ml', 'Waterml',
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'milkml', 'oz', 'floz', 'lboz'
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]
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}
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},
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props: {
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weightKcal: {
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type: Number,
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default: 0 //当前测量食物每100g含的kcal
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},
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weightType: {
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type: Number,
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default: -1 //0分类测量,1累计测量,2购物车测量
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},
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btnType: {
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type: Number,
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default: 1 //1添加食材，2保存测量
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},
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},
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computed: {
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...mapState(["bleValue", "isBluetoothTyle", "countFoodInfo"]),
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weight() {
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this.unit = this.unitConversion(this.bleValue.unit)
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return this.bleValue.countWeight
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},
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isConnection() {
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this.bleTipsText = this.bleValue.bleTipsText
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return this.bleValue.isConnectStatus
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},
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isShow(){
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return this.bleValue.serviceId != '' ? true : false
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}
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},
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mounted() {
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let that = this
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uni.onBluetoothAdapterStateChange(function(res) {
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that.$store.commit("changeBluetooth", res.available);
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})
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},
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destroyed() {
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// this.isConnection = 1
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// this.closeBLEConnection()
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// this.closeBluetoothAdapter()
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},
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watch: {
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isBluetoothTyle: function() {
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let that = this
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if (!that.isBluetoothTyle) {
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that.handleBack()
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}
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},
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},
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methods: {
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// 初始化蓝牙
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openBluetoothAdapter() {
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let that = this
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if (that.isConnection == 0) return
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that.kcal = ""
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that.$store.commit('changeBluetoothValue', {
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deviceId: "",
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serviceId: "",
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notify: '',
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write: '',
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unit: "g",
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countWeight: 0,
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bleTipsText: "蓝牙搜索中",
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isConnectStatus: 0,
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})
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that.$ble.openBluetoothAdapter()
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},
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changleUnits(e) {
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let that = this
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let name = that.unitList[e.detail.value].name
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console.log("单位切换", name, that.unit)
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if (that.isShow && that.unit != name) {
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that.handletoggleUnit(name == '盎司' ? 0x08 : 0x04)
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}
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that.unitListIndex = [e.detail.value]
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that.$store.commit('changeBluetoothValue', {
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unit: that.unitList[e.detail.value].unit
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})
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},
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handletoggleUnit(unit) {
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let that = this
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let checksum = 0;
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const bytes = [0xC5, 0x03, 0x05, 0x11]
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bytes[4] = unit
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for (let i = 0; i < bytes.length; i++) {
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checksum ^= bytes[i];
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}
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bytes[5] = checksum
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that.sendData(new Uint8Array(bytes).buffer)
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},
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handleqingling() {
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let that = this
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let str = "C503071100D0"
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let buf = new Uint8Array(str.match(/[\da-f]{2}/gi).map(function(h) {
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return parseInt(h, 16)
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}))
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that.sendData(buf.buffer)
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},
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sendData(buffer) {
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let that = this
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uni.writeBLECharacteristicValue({
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deviceId: that.bleValue.deviceId,
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serviceId: that.bleValue.serviceId,
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characteristicId: that.bleValue.write,
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value: buffer,
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success: res => {
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console.log('下发指令成功', res.errMsg)
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},
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fail: res => {
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console.log("下发指令失败", res);
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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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handlesub() {
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let that = this
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console.log("weight", that.weight)
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if (Number(that.weight) > 0) {
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that.$emit("handleBle", that.weight, that.unit, that.kcal)
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} else {
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that.$tools.msg("数据异常，请清零后重新测量!")
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}
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},
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handleBack() {
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let that = this
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that.$store.commit("changeBluetoothValue", {
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bleTipsText: "连接失败，点击重新连接",
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isConnectStatus: 1
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})
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that.$ble.stopBluetoothDevicesDiscovery() //取消蓝牙搜索
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that.$ble.closeBLEConnection(that.bleValue.deviceId)
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that.$ble.closeBluetoothAdapter()
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},
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unitConversion(unit) {
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if (unit == 'kcal') {
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return '千卡'
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} else if (unit == 'g') {
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return '克'
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} else if (unit == 'lb') {
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return '磅'
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} else if (unit == 'oz') {
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return '盎司'
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}
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return unit
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},
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// 添加食物
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handleAddFood() {
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uni.navigateTo({
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url: "/pageTwo/count/search?name=早餐&time=" + this.countFoodInfo.date
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})
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},
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inputDialogToggle() {
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this.$refs.popup.open()
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},
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confirm(value) {
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console.log(value)
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this.$store.commit("changeBluetoothValue", {
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countWeight: value,
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unit: this.unitList[this.unitListIndex].unit
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})
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this.$refs.popup.close()
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},
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close() {
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this.$refs.popup.close()
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},
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// isNutritionScale(advertisData) {
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// const buffer = this.base64ToArrayBuffer(advertisData)
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// const dataView = new DataView(buffer)
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// // 检查厂商自定义数据头
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// if (dataView.getUint16(0) !== 0xA5FE) return false
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// // 检查产品类型 (营养秤:0x0001)
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// const typeId = dataView.getUint16(2)
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// if (typeId !== 0x0001) return false
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// // 检查厂商ID (通用方案:0x0001)
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// const vendorId = dataView.getUint16(4)
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// return vendorId === 0x0001
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// },
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// base64ToArrayBuffer(base64) {
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// const str = atob(base64)
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// const buffer = new ArrayBuffer(str.length)
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// const view = new Uint8Array(buffer)
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// for (let i = 0; i < str.length; i++) {
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// view[i] = str.charCodeAt(i)
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// }
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// return buffer
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// }
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},
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}
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</script>
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<style scoped lang="scss">
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image {
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width: 22px;
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height: 22px;
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}
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.more {
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padding: 6rpx 10rpx;
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border-radius: 12rpx;
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color: #fff;
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background-color: #f0ae43;
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}
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.weightPages {
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display: flex;
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flex-wrap: wrap;
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flex-direction: column;
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position: relative;
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background: #fff;
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border-radius: 20rpx;
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justify-content: space-around;
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.weight-wrap {
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display: flex;
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justify-content: center;
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align-items: center;
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background: #fff;
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color: #666;
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font-size: 16px;
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text-align: center;
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height: 60px;
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margin: 10px 0;
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.weight,
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.kcal {
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display: flex;
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justify-content: center;
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align-items: center;
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width: 70%;
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padding: 30rpx 0;
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border-radius: 20rpx;
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background-color: #F8F8F8;
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}
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.weight {
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.val {
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font-size: 40rpx;
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color: #F0AE43;
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margin: 0 !important;
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}
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.unit {
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padding: 10rpx;
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margin-left: 30rpx;
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font-size: 28rpx;
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color: #fff;
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border-radius: 8rpx;
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background-color: #F0AE43;
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}
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}
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.kcal {
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font-size: 32rpx;
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.val {
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font-size: 40rpx;
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color: #F0AE43;
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margin: 0 !important;
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}
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.unit {
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margin-left: 20rpx;
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}
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}
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}
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.tips {
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font-size: 24rpx;
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text-align: center;
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}
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.groupbtn {
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margin-top: 15px;
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display: flex;
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align-items: center;
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justify-content: space-between;
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.btn {
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width: 30%;
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color: $maincolor;
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text-align: center;
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height: 40px;
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line-height: 40px;
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border-radius: 10px;
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border: 1px solid $maincolor;
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background: #fff;
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margin: 0;
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}
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.addbtn {
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width: 30%;
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color: #fff;
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font-size: 45px;
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line-height: 38px;
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background: $maincolor;
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}
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}
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.table {
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width: 100%;
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font-size: 14px;
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align-items: center;
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padding: 5px 0;
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border-radius: 5px;
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display: flex;
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justify-content: space-between;
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.text {
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color: #8284f0;
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display: flex;
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}
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image {
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width: 22px;
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height: 22px;
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margin-right: 5px;
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}
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}
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.image {
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width: 1120rpx;
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height: 1120rpx;
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margin: auto;
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image {
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width: 100%;
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height: 100%;
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}
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}
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.duan {
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width: fit-content;
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background: linear-gradient(-90deg, #d4f5c4, #a7d5e4 80%, );
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border-radius: 5px;
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text-align: center;
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padding: 3px 10px;
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font-size: 12px;
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}
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.tips {
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margin-top: 30rpx;
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margin-left: 30rpx;
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display: flex;
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color: #999;
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}
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}
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</style> |