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319 lines
8.9 KiB
319 lines
8.9 KiB
<template>
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<view class="">
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<view class="btn">
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<button type="primary" :loading="isSearching" v-if="isSearching == false" @tap="startSearch(true)"
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text="">搜索蓝牙设备
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</button>
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<button type="primary" :loading="isSearching" v-if="isSearching == true" @tap="stopSearch" text="">搜索蓝牙设备
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</button>
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<button type="primary" style="margin-top: 40rpx;" v-if="okAddress !=''" @tap="endSearch(true)"
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text="">删除已连接蓝牙设备
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</button>
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<button type="primary" style="margin-top: 40rpx;font-size: 32rpx;" :loading="isPrint" v-if="okAddress"
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@tap="pickUpOnce" text=''>打印测试</button>
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</view>
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<view class="content">
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<text>新设备</text>
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<view v-for="(item) in list" :data-title="item.deviceId" :data-name="item.name"
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:data-advertisData="item.advertisServiceUUIDs" :key="item.deviceId"
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@tap="bindViewTap(item.deviceId,true)">
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<view>
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<text>{{item.name}}</text>
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<view v-if="linkAddress == item.deviceId" style="background-color: #4caf50;">正在匹配</view>
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<view v-if="okAddress == item.deviceId">匹配成功</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 PrinterJobs from '@/components/print/printerjobs.js'
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import printerUtil from '@/components/print/printerutil.js'
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import util from '@/components/print/util.js'
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import drawQrcode from '@/components/print/weapp.qrcode.esm.js'
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import Bluetooth from '@/components/print/bluetooth.js'
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let bluetooth = new Bluetooth();
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export default {
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components: {},
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data() {
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return {
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isSearching: false,
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list: [],
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okAddress: '',
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linkAddress: '',
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data: {
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"settled_name": "#0112配送",
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"detail": {
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"total_amount": "137.00",
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"other_amount": "0.00",
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"discount_amount": "0.00",
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"actual_amount": "137.00",
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"order_sn": "20220512165337",
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"goods_count": 3,
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"order_time": "2022-05-12 16:53:00",
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"supplier_id": 1
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},
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"code": "https://www.oulaisong.com/purchase?id=8",
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"list": [{
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"id": 8,
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"goods_name": "红烧带鱼",
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"article_number": "1",
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'sum_price':'16.00'
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}, {
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"id": 9,
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"goods_name": "女童外套",
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"article_number": "2",
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"sum_price": "34.00"
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}, {
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"id": 10,
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"goods_name": "25",
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"article_number": "3",
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"sum_price": "3.00"
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}]
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},
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isPrint: false,
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}
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},
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//页面卸载是关闭蓝牙链接
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// onUnload() {
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// uni.hideLoading()
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// bluetooth.closeBLEConnection();
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// bluetooth.closeBluetoothAdapter();
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// },
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//页面打开,获取位置,打开蓝牙链接
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onLoad() {
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uni.getLocation({
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type: 'wgs84',
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success: function(res) {
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console.log('当前位置的经度：' + res.longitude);
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console.log('当前位置的纬度：' + res.latitude);
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}
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});
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// this.getData()
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},
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onShow() {
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console.log('---')
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},
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methods: {
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endSearch(){
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uni.hideLoading()
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bluetooth.closeBLEConnection();
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bluetooth.closeBluetoothAdapter();
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this.okAddress = ''
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},
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getData() {
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var that = this;
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that.startSearch(false);
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},
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async bindViewTap(deviceId, state) {
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var _this = this;
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_this.okAddress = '';
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_this.linkAddress = deviceId;
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console.log(deviceId)
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if (state == true) {
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_this.isSearching = false
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}
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try {
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//1.链接设备
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await bluetooth.createBLEConnection(deviceId).then((res) => {
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bluetooth.deviceId = deviceId;
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}).catch((e) => {
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throw e;
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});
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let server = [];
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//2.寻找服务
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await bluetooth.getBLEDeviceServices().then((res) => {
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console.log(res)
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bluetooth.notifyId = '';
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bluetooth.writeId = '';
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bluetooth.num = 0;
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bluetooth.serviceList = res
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}).catch((e) => {
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throw e;
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});
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//3.获取蓝牙设备所有服务
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let result3 = await bluetooth.getBLEDeviceCharacteristics().then(res => {
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_this.okAddress = deviceId;
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_this.linkAddress = '';
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uni.setStorageSync('bluetoothDeviceId', deviceId);
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}).catch((e) => {
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throw e;
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});
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} catch (e) {
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_this.okAddress = '';
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_this.linkAddress = '';
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//TODO handle the exception
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console.log("e: " + JSON.stringify(e));
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}
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},
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//打印一次
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pickUpOnce() {
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this.isPrint = true;
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bluetooth.notifyBLECharacteristicValue();
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let self = this;
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setTimeout(() => {
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self.writeBLECharacteristicValue();
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}, 500);
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},
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//写入控制命令
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async writeBLECharacteristicValue() {
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let data = this.data;
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let printerJobs = new PrinterJobs();
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printerJobs.setAlign('ct').setSize(2, 2).setLineSpacing(80).print('#0112配送')
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.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('预计时间:2026-02-01 13:41:00')
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.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('七里香快餐明珠店')
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.print(printerUtil.fillLine('-', 1, 50))
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.setAlign('lt').setSize(2, 2).setLineSpacing(80).print('王先生')
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.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('联系电话: *******0775')
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.setAlign('lt').setSize(2, 2).setLineSpacing(80).print('地址:黑背生东川建设集团有限公司黑恶生运河区****')
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.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('为保护隐私，顾客电话及地址已被隐藏，您可登录商家端或骑手端查看')
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.print(printerUtil.fillLine('-', 1, 50));
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for (var i = 0; i < data.list.length; i++) {
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printerJobs.setAlign('lt').setSize(1, 1).setLineSpacing(40).print(data.list[i].goods_name)
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let setLineSpacing = 40
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printerJobs.setLineSpacing(setLineSpacing).print(printerUtil.inlineArr([{
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'text': 'X' + data.list[i].article_number,
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'width': 20,
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}, {
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'text': data.list[i].sum_price,
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'width': 10,
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}], 1, 50));
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}
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printerJobs.print(printerUtil.fillLine('-', 1, 50))
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.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('配送费：1圆')
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.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('合计金额：17圆')
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.print(printerUtil.fillLine('-', 1, 50))
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.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('商品取到后，如有任何商品问题，请及时联系商家和平台，客服将为您服务，客服电话15533910775，谢谢您的惠顾')
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.println();
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let buffer = printerJobs.buffer();
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this.sendPrint(buffer);
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},
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sendPrint(buffer) {
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// 1.并行调用多次会存在写失败的可能性
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// 2.建议每次写入不超过20字节
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// 分包处理，延时调用
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let that = this
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const maxChunk = 20;
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const delay = 20;
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that.isPrint = true;
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for (let i = 0, j = 0, length = buffer.byteLength; i < length; i += maxChunk, j++) {
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let subPackage = buffer.slice(i, i + maxChunk <= length ? (i + maxChunk) : length);
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setTimeout(this.sendPrintData, j * delay, subPackage);
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}
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that.isPrint = false;
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},
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sendPrintData(buffer) {
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bluetooth.writeBLECharacteristicValue(buffer).then(res => {});
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},
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startSearch(state) {
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let that = this
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bluetooth.openBluetoothAdapter().then(e => {
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that.isSearching = true;
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uni.startBluetoothDevicesDiscovery({
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success: res => {
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uni.onBluetoothDeviceFound(result => {
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let arr = that.list;
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let devices = [];
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let list = result.devices;
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for (let i = 0; i < list.length; ++i) {
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console.log(list[i])
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if (list[i].name && list[i].name != "未知设备") {
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let arrNew = arr.filter((item) => {
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return item.deviceId == list[i].deviceId;
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});
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if (arrNew.length == 0) {
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devices.push(list[i]);
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}
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if (uni.getStorageSync('bluetoothDeviceId') == list[i]
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.deviceId) {
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// that.bindViewTap(list[i].deviceId, state)
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}
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}
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}
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that.list = arr.concat(devices);
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});
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},
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fail: res => {
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uni.hideLoading();
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uni.showToast({
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title: `搜索设备失败` + JSON.stringify(err)
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})
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}
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})
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}).catch(e => {
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console.log(e)
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});
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},
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// 停止搜索
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stopSearch() {
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this.isSearching = false;
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uni.hideLoading();
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bluetooth.stopBluetoothDevicesDiscovery();
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},
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}
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}
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</script>
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<style>
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page {
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background: #F7F8FA;
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}
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</style>
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<style scoped lang="scss">
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.btn {
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padding: 40rpx;
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}
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.content {
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padding: 40rpx;
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&>text {
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display: block;
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padding-bottom: 30rpx;
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font-size: 28rpx;
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color: #333
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}
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&>view {
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background-color: #fff;
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padding: 30rpx 40rpx;
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margin-bottom: 24rpx;
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&>view {
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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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&>text {
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margin-left: 24rpx;
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font-size: 32rpx;
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font-weight: 500;
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color: #333333;
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}
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&>view {
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border-radius: 10rpx;
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font-size: 24rpx;
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color: #fff;
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background-color: #3769FF;
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padding: 5rpx 10rpx;
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}
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}
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}
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&>view:last-child {
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margin-bottom: 0;
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}
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}
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</style>
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