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505 lines
14 KiB
505 lines
14 KiB
<template>
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<view class="kk-printer">
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<view class="kk-printer-btn" @tap="clickBtn" style="color:#FFF;">
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{{isPrinting?printingText:defaultText}}
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</view>
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<view class="kk-shadow" :class="isShowSearch?'show':''" @tap="handleSearchClose">
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<view class="kk-modal" @tap.stop="doNothing">
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<view class="kk-search-device">
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<!-- <view class="kk-filter-wrap">
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<view class="filter-title">根据SRRI过滤设备</view>
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<slider @change="handleSRRIChange" max='-20' min='-100' value="-95" show-value/>
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</view>
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<view class="kk-filter-wrap">
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<view class="filter-title">根据蓝牙名过滤</view>
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<input type="text" placeholder-class="kk-placeholder-class" placeholder="请输入蓝牙名字或设备ID搜索" v-model="filterName" />
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</view> -->
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<view class="kk-btn-wrap">
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<view class="kk-btn-item confirm-btn" @tap="searchBtnTap" v-if="!isSearching">
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搜索设备
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</view>
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<view class="kk-btn-item confirm-btn" v-else>
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搜索中...
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</view>
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<view class="kk-btn-item" @tap="stopSearchBtnTap">
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停止搜索
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</view>
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</view>
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<view class="kk-devices-wrap">
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<view class="empty-wrap" v-if="filterDeviceList.length <= 0">
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<view class="empty-icon"></view>
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<view class="empty-text">无可搜索到的设备</view>
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</view>
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<view class="" v-else>
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<view class="kk-devices-item" v-for="(item,index) in filterDeviceList" :key="index"
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@tap="handleConnectDevice(item)">
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<view class="name" style="color:#000;">
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<text>设备名称：</text>
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<text>{{item.name?item.name:'未命名'}}</text>
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</view>
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<view class="rssi">
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<text>信号强度：</text>
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<text>({{Math.max(0, item.RSSI + 100)}}%)</text>
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</view>
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<!-- <view class="deviceid">
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<text>设备ID：</text>
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<text>{{item.deviceId}}</text>
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</view>
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<view class="advmac" v-if="item.advMac">
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<text>advMac：</text>
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<text>{{item.advMac}}</text>
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</view> -->
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</view>
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</view>
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</view>
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</view>
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</view>
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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 gbk from '@/components/kk-printer/utils/printUtil-GBK.js';
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import * as blesdk from './utils/bluetoolth';
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import util from './utils/util.js';
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export default {
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data() {
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return {
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//是否正在打印
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isPrinting: false,
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//是否正在搜索设备
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isSearching: false,
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//是否显示蓝牙列表
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isShowSearch: false,
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//按蓝牙名过滤
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filterName: '',
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//按信号过滤
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filterRSSI: -95,
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//设备列表
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devicesList: [],
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//连接的设备ID
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deviceId: '',
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//根据设备ID获取的服务
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services: '',
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//获取特征值时返回的三要素
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serviceId: '',
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writeId: '',
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readId: '',
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iosNo: false
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}
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},
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props: {
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//按钮默认文字
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defaultText: {
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type: String,
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default: '打印'
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},
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//按钮打印中的文字
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printingText: {
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type: String,
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default: '打印中...'
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},
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bufferData: {
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type: String,
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require: true
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},
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roomcode: {
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type: String,
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require: true
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},
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CustName: {
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type: String,
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require: true
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},
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roomid: {
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type: String,
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require: true
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}
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},
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computed: {
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mapFilterRSSI() {
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return (0 - this.filterRSSI)
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},
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filterDeviceList() {
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let devices = this.devicesList;
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let name = this.filterName;
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let rssi = this.filterRSSI;
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//按RSSI过滤
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let filterDevices1 = devices.filter((item) => {
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return item.RSSI > rssi
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})
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// 按名字过滤
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let filterDevices2
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if (name != '') {
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filterDevices2 = filterDevices1.filter((item) => {
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return (item.name.indexOf(name) >= 0 || item.deviceId.indexOf(name) >= 0)
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})
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} else {
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filterDevices2 = filterDevices1
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}
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// 根据广播数据提取MAC地址
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for (let i = 0; i < filterDevices2.length; i++) {
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if (filterDevices2[i].hasOwnProperty('advertisData')) {
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if (filterDevices2[i].advertisData.byteLength == 8) {
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filterDevices2[i].advMac = util.buf2hex(filterDevices2[i].advertisData.slice(2, 7));
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}
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}
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}
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return filterDevices2
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}
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},
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mounted() {
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},
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beforeDestroy() {
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this.stopSearchBtnTap();
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},
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methods: {
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doNothing() {
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return;
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},
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clickBtn() {
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uni.setStorageSync('ok', true)
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this.handlePrintTap()
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},
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//点击打印按钮
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handlePrintTap() {
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let that = this
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// 初始化蓝牙模块
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wx.openBluetoothAdapter({
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mode: 'central',
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success: (res2) => {
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console.log('初始化蓝牙模块', res2)
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// 开始搜索附近的蓝牙外围设备
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wx.startBluetoothDevicesDiscovery({
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success(res3) {
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console.log('获取设备成功', res3)
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// 监听扫描到新设备事件
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wx.onBluetoothDeviceFound((res4) => {
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console.log('监听新设备列表，拿到想要的就自动停止', res4)
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res4.devices.forEach((device) => {
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if(device.name == 'QR380A-6824_Ble'){ //搜索到需要的设备
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// 找到要搜索的设备后，及时停止扫描
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wx.stopBluetoothDevicesDiscovery()
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wx.createBLEConnection({
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deviceId: device.deviceId, // 搜索到设备的 deviceId
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success: () => {
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console.log('连接设备成功')
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wx.getBLEDeviceServices({
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deviceId: device.deviceId, // 搜索到设备的 deviceId
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success: (res5) => {
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console.log('获取服务成功',res5)
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for (let i = 0; i < res5.services.length; i++) {
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if (res5.services[i].isPrimary) {
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// 可根据具体业务需要，选择一个主服务进行通信
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}
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}
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wx.getBLEDeviceCharacteristics({
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deviceId:device.deviceId, // 搜索到设备的 deviceId
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serviceId:res5.services[0].uuid, // 上一步中找到的某个服务
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success: (res6) => {
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console.log('读写特征值成功',res6)
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for (let i =0; i <res6.characteristics.length; i++) {
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let item =res6.characteristics[i]
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if (item.properties.write) { // 该特征值可写
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console.log('该特征值可写')
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let buffer = gbk.strToGBKByte(that.aaaSS())
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let opt = {
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deviceId: device.deviceId,
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serviceId: res5.services[0].uuid,
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value:buffer,
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characteristicId:item.uuid,
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lasterSuccess: that.onPrintSuccess,
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onceLength: 180 //ios 180 安卓 20
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}
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blesdk.sendDataToDevice(opt);
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}
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}
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}
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})
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}
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})
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}
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})
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}else{
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}
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})
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})
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},
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fail(err) {
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console.log('获取设备失败', 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('初始化失败', res)
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}
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})
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},
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aaaSS() {
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let strCmd = blesdk.CreatCPCLPage(440, 320, 1, 0);
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strCmd += blesdk.addCPCLText('0', '30', '24', '0', 0, '商品名：张三')
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strCmd += blesdk.addCPCLText('0', '80', '24', '0', 0, '货 号：ZS001')
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strCmd += blesdk.addCPCLText('0', '130', '24', '0', 0, '供应商：李四')
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strCmd += blesdk.addCPCLText('0', '180', '24', '0', 0, '批发价：100')
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strCmd += blesdk.addCPCLText('0', '230', '24', '0', 0, '零售价：100')
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strCmd += blesdk.addCPCLQRCode(200, 140, 'H', '1', 6, ['45646132464651648','1654867048641651654']) //二维码
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strCmd += blesdk.addCPCLLocation(0); //对齐指令 0-左对齐 1-右对齐 2-居中
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strCmd += blesdk.addCPCLPrint();
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return strCmd;
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},
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onGetDevice(res) {
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this.devicesList = res;
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},
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handleSearchClose() {
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this.isShowSearch = false
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},
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handleSRRIChange(e) {
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this.filterRSSI = e.detail.value
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},
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//开始搜索设备
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searchBtnTap() {
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blesdk.startBluetoothDevicesDiscovery();
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this.isSearching = true;
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blesdk.onfindBlueDevices(this.onGetDevice)
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},
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//停止搜索设备
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stopSearchBtnTap() {
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blesdk.stopBlueDevicesDiscovery();
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this.isSearching = false;
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},
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//点击连接设备
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handleConnectDevice(device) {
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let deviceId = device.deviceId;
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let name = device.name;
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this.deviceId = deviceId;
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uni.setStorageSync('deviceId', deviceId);
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uni.onBLEConnectionStateChange(function(res) {
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if (res.connected) {
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// plus.nativeUI.toast('设备'+ res.deviceId + '已连接',{
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// verticalAlign:'center'
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// })
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} else {
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// plus.nativeUI.toast('设备'+ res.deviceId + '已断开连接',{
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// verticalAlign:'center'
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// })
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}
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})
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blesdk.createBLEConnection(deviceId, this.onConnectSuccess, this.onConnectFail);
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this.devicesList == []
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},
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onConnectSuccess(res) {
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this.stopSearchBtnTap()
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uni.setStorageSync('ok', true)
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blesdk.getBLEDeviceServices(this.deviceId, this.onGetServicesSuccess, this.onGetServicesFail);
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},
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onConnectFail(err) {
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blesdk.closeBLEConnection(uni.getStorageSync('deviceId'));
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this.isShowSearch = true
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uni.removeStorageSync('deviceId')
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uni.removeStorageSync('serviceId')
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uni.removeStorageSync('writeId')
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uni.removeStorageSync('readId')
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// uni.
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},
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onGetServicesSuccess(res) {
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this.services = res.serviceId;
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blesdk.getDeviceCharacteristics(uni.getStorageSync('deviceId') ? uni.getStorageSync('deviceId') : this
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.deviceId, uni.getStorageSync('services') ? uni.getStorageSync('services') : this.services, this
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.onGetCharacterSuccess, this.onGetCharacterFail);
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},
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onGetServicesFail(err) {},
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onGetCharacterSuccess(res) {
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this.serviceId = res.serviceId;
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this.writeId = res.writeId;
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this.readId = res.readId;
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uni.setStorageSync('serviceId', res.serviceId)
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uni.setStorageSync('writeId', res.writeId)
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uni.setStorageSync('readId', res.readId)
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this.isShowSearch = false;
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this.handlePrintTap()
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},
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onGetCharacterFail(err) {
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},
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onPrintSuccess() {
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this.isPrinting = false;
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this.$u.route('/pages/toll/toll', {
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roomcode: this.roomcode,
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CustName: this.CustName,
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id: this.roomid
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})
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this.$emit('onPrintSuccess')
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},
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onPrintFail() {
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this.isPrinting = false;
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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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.kk-printer {
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&-btn {
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width: 100%;
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height: 100%;
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}
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.kk-shadow {
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display: none;
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&.show {
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display: block;
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width: 100vw;
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height: 100vh;
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background: rgba(0, 0, 0, 0.4);
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position: fixed;
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top: 0;
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left: 0;
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display: flex;
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justify-content: center;
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align-items: center;
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.kk-modal {
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width: 680upx;
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height: 80%;
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padding: 24upx;
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box-sizing: border-box;
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overflow-y: auto;
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border-radius: 20upx;
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background: #ffffff;
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display: flex;
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justify-content: center;
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align-items: center;
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.kk-search-device {
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width: 100%;
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height: 100%;
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.kk-filter-wrap {
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width: 100%;
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height: 160upx;
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display: flex;
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flex-direction: column;
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justify-content: flex-start;
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align-items: flex-start;
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.filter-title {
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line-height: 70upx;
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font-size: 30upx;
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color: #999999;
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}
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&>slider {
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width: 90%;
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height: 90upx;
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}
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&>input {
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padding: 0 20upx;
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box-sizing: border-box;
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border-radius: 10upx;
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height: 90upx;
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width: 100%;
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border: 1upx solid #ebebeb;
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}
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}
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.kk-btn-wrap {
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width: 100%;
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height: 140upx;
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display: flex;
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justify-content: space-between;
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align-items: center;
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&>view {
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flex: 1 1 auto;
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height: 100upx;
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line-height: 100upx;
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border-radius: 16upx;
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text-align: center;
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color: #ffffff;
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&.confirm-btn {
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background: #007AFF;
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margin-right: 30upx;
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}
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&:nth-last-child(1) {
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background: #DD524D;
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}
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}
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}
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.kk-devices-wrap {
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height: calc(100% - 460upx);
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overflow-y: auto;
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padding: 10upx 20upx;
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box-sizing: border-box;
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border: 1upx solid #ebebeb;
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box-sizing: border-box;
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border-radius: 20upx;
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.empty-wrap {
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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.empty-icon {
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width: 268upx;
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height: 240upx;
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background-size: 100% 100%;
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margin-bottom: 26upx;
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}
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.empty-text {
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width: 100%;
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line-height: 50upx;
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font-size: 30upx;
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text-align: center;
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color: #999999;
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}
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}
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.kk-devices-item {
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width: 100%;
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border-bottom: 1upx solid #ebebeb;
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padding: 10upx 0;
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box-sizing: border-box;
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z-index: 500;
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&:nth-last-child(1) {
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border-bottom: none;
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}
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&>view {
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width: 100%;
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font-size: 30upx;
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}
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}
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}
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}
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}
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}
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}
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}
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.kk-placeholder-class {
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font-size: 30upx;
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color: #999999;
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}
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</style>
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