451 lines
9.8 KiB
Vue
451 lines
9.8 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 == 2">
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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 == '' ? '0.0':weight}}</text>
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<text class="unit">{{unitConversion(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="unitA" 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="btnType==2">保存</view>
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<view class="btn addbtn" @click="handleAddFood" v-if="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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inputDialog: false,
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unitA: [],
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unitListIndex: 0,
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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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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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let weightNew = this.convertToGrams(this.bleValue.countWeight, this.bleValue.unit)
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this.kcal = (Number(this.weightKcal) / 100 * weightNew).toFixed(1)
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this.unit = this.bleValue.unit
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return this.bleValue.countWeight
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},
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isConnection() {
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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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bleTipsText() {
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return this.bleValue.bleTipsText
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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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bleValue: {
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handler(newVal, oldVal) {
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this.unitA = newVal.unitList
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this.unitListIndex = newVal.unitList.findIndex(ite => ite.unit == newVal.unit)
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},
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deep: true,
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immediate: true
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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 == 2) 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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type: 1,
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unitList: that.$json.unitMinus,
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countWeight: "",
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bleTipsText: "蓝牙搜索中",
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isConnectStatus: 0,
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})
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that.$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.unitA[e.detail.value].name
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let val = that.unitA[e.detail.value].unit
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if (that.isShow && that.unit != name) {
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that.handletoggleUnit(that.unitConversion2(val))
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}
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if (that.bleValue.serviceId == '') {
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that.unitListIndex = [e.detail.value]
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that.$store.commit('changeBluetoothValue', {
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unit: that.unitA[e.detail.value].unit,
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})
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}
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},
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convertToGrams(value, fromUnit) {
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const conversionFactors = {
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'lb': 453.59237, // 1磅 = 453.59237克
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'oz': 28.349523125, // 1盎司 = 28.349523125克
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'kg': 1000, // 1公斤 = 1000克
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'g': 1,
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'ml': 1,
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'斤': 500,
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'Waterml': 1,
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'milkml': 1.03
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// "stlb": "floz": "lboz":
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};
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if (!conversionFactors.hasOwnProperty(fromUnit)) {
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return ''
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}
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return value * conversionFactors[fromUnit];
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},
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unitConversion2(unit) {
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if (unit == 'kg') {
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return 0x00
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} else if (unit == '斤') {
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return 0x01
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} else if (unit == 'st:lb') {
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return 0x02
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} else if (unit == 'lb') {
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return 0x03
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} else if (unit == 'g') {
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return 0x04
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} else if (unit == 'ml') {
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return 0x05
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} else if (unit == 'Waterml') {
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return 0x06
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} else if (unit == 'milkml') {
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return 0x07
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} else if (unit == 'oz') {
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return 0x08
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} else if (unit == 'floz') {
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return 0x09
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} else if (unit == 'lboz') {
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return 0x0A
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}
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return unit
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},
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// 下发单位
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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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// 清零
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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("测量保存", that.weight, that.unit, that.kcal)
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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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unitList: that.$json.unitMinus,
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isConnectStatus: 1,
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})
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that.$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 == 'kg') {
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return '千克'
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} else if (unit == '斤') {
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return '斤'
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} else if (unit == 'stlb') {
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return 'stlb'
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} else if (unit == 'lb') {
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return '磅'
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} else if (unit == 'g') {
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return '克'
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} else if (unit == 'ml') {
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return '毫升'
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} else if (unit == 'Waterml') {
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return 'Waterml'
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} else if (unit == 'milkml') {
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return 'milkml'
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} else if (unit == 'oz') {
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return '盎司'
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} else if (unit == 'floz') {
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return 'floz'
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} else if (unit == 'lboz') {
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return 'lboz'
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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: "/Food/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.$refs.popup.open()
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},
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// 手动输入
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confirm(value) {
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console.log(value)
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let that = this
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this.$store.commit("changeBluetoothValue", {
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countWeight: value,
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unit: this.unitA[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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},
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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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margin: 10px;
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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: 54rpx;
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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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}
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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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box-sizing: border-box;
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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> |