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| import printerUtil from '@/components/print/printerutil.js'
| const PrinterJobs = require('@/components/print/printerjobs.js')
| import {
| getDate
| } from '@/utils/dateTime.js'
| export default {
| data() {
| return {
| list: [],
| deviceId: '',
| serviceId: '',
| characteristics: [],
| characteristicId: '',
| deviceslist: []
| }
| },
| onShow() {
| this.list = []
| this.deviceslist = []
|
| },
| methods: {
| //初始化蓝牙设备
| openBluetoothAdapter() {
| let _this = this
| uni.openBluetoothAdapter({
| success: (res) => { //已打开
| uni.getBluetoothAdapterState({ //蓝牙的匹配状态
| success: (res1) => {
| console.log(res1, '本机设备的蓝牙已打开')
| // 开始搜索蓝牙设备
|
| _this.startBluetoothDeviceDiscovery()
| uni.setStorageSync('blueShow', true)
| },
| fail(error) {
| uni.showToast({
| icon: 'none',
| title: '查看手机蓝牙是否打开err'
| });
| }
| });
|
| },
| fail: err => { //未打开
| uni.setStorageSync('blueShow', false)
| uni.showToast({
| icon: 'none',
| title: '查看手机蓝牙是否打开'
| });
| }
| })
| },
| // 开始搜索蓝牙设备
| startBluetoothDeviceDiscovery() {
| uni.startBluetoothDevicesDiscovery({
| success: (res) => {
| // 发现外围设备
| uni.showLoading({
| title: '加载中',
| mask: true
| });
| this.onBluetoothDeviceFound()
| },
| fail: err => {
| console.log(err, '错误信息')
| }
| })
| },
| // 发现外围设备
| onBluetoothDeviceFound() {
| uni.onBluetoothDeviceFound((res) => {
| this.deviceslist.length > 0 ? uni.hideLoading() : ''
| if (this.deviceslist.indexOf(res.devices[0].deviceId) == -1) {
| this.deviceslist.push(res.devices[0].deviceId)
| if (res.devices[0].name != "") {
| uni.hideLoading();
| this.list.push({
| name: res.devices[0].name,
| deviceId: res.devices[0].deviceId
| })
| }
| }
| })
| },
| //获取在蓝牙模块生效期间所有已发现的蓝牙设备。包括已经和本机处于连接状态的设备。
| getBluetoothDevices() {
| console.log("获取蓝牙设备");
| uni.getBluetoothDevices({
| success: res => {
| console.log('获取蓝牙设备成功:');
| console.log(res.devices);
| }
| });
| },
| //选择设备连接吧deviceId传进来
| createBLEConnection(deviceId) {
| //data里面建立一个deviceId，存储起来
| let _this = this
| uni.showLoading({
| title: '连接蓝牙中...',
| mask: true
| });
| this.stopBluetoothDevicesDiscovery()
|
| this.deviceId = deviceId,
| //连接蓝牙
| uni.createBLEConnection({
| // 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
| deviceId: deviceId,
| success(res) {
| uni.hideLoading();
| uni.showToast({
| icon: 'none',
| title: '蓝牙连接成功'
| });
| uni.setStorageSync("deviceId", deviceId) //把已经连接的蓝牙设备信息放入缓存
|
| setTimeout(() => {
| _this.getBLEDeviceServices(deviceId)
| }, 1000)
|
| },
| fail(res) {
| uni.showToast({
| icon: 'none',
| title: '蓝牙连接失败'
| });
| }
| })
| },
| // 停止搜寻蓝牙设备
| stopBluetoothDevicesDiscovery() {
| uni.stopBluetoothDevicesDiscovery({
| success: e => {
| this.loading = false
| console.log('停止搜索蓝牙设备:' + e.errMsg);
| },
| fail: e => {
| console.log('停止搜索蓝牙设备失败，错误码：' + e.errCode);
| }
| });
| },
| //获取蓝牙特征
| getBLEDeviceCharacteristics(deviceId, serviceId) {
| console.log("进入特征");
| setTimeout(() => {
| uni.getBLEDeviceCharacteristics({
| // 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
| deviceId: deviceId,
| // 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
| serviceId: serviceId,
| success: (res) => {
| console.log(res, '特征getBLEDeviceCharacteristics')
| this.characteristics = res.characteristics
|
| res.characteristics.forEach((item) => {
| if (item.uuid.indexOf("FF02") != -1) {
| this.characteristicId = item.uuid
| uni.setStorageSync("characteristicId", item
| .uuid) //把已经连接的蓝牙设备标识放入缓存
| uni.setStorageSync("serviceId",
| serviceId) //把已经连接的蓝牙设备ID放入缓存
| //console.log('characteristicId:', item.uuid)
| //利用传参的形势传给下面的notify，这里的uuid如果都需要用到，就不用做判断了，建议使用setTimeout进行间隔性的调用此方法
| // this.notifyBLECharacteristicValueChange(item.uuid)
|
| setTimeout(() => {
| uni.hideLoading();
| this.BottomShow = false
| this.DrawerModalL = false
| }, 1000)
| }
| })
| },
| fail: (res) => {
| console.log(res)
| }
| })
| }, 1000)
| },
| // 启用 notify 功能
| notifyBLECharacteristicValueChange(characteristicId) {
| let _this = this
| console.log('deviceId' + _this.deviceId)
| console.log('serviceId' + _this.serviceId)
| console.log('characteristicId' + characteristicId)
| // _this.fanhui()
| uni.notifyBLECharacteristicValueChange({
| state: true, // 启用 notify 功能
| // 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
| deviceId: this.deviceId,
| // 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
| serviceId: this.serviceId,
| // 这里的 characteristicId 需要在 getBLEDeviceCharacteristics 接口中获取
| characteristicId: characteristicId,
| success: (res) => {
| if (this.blueFlag == true) {
| this.writeBLECharacteristicValue()
| } else {
| uni.showLoading({
| title: '蓝牙服务获取成功，请打印',
| mask: true,
| });
| }
|
| setTimeout(() => {
| uni.hideLoading();
| }, 1000)
| // _this.fanhui()
| this.print = "打印"
| this.BottomShow = false
|
| console.log('notifyBLECharacteristicValueChange success', res.errMsg)
| },
| fail: (res) => {
| uni.showLoading({
| title: '蓝牙服务获取成功，请打印',
| mask: true,
| });
| setTimeout(() => {
| uni.hideLoading();
| }, 1000)
| _this.print = "打印"
| _this.BottomShow = false
|
| // _this.fanhui()
| console.log('notifyBLECharacteristicValueChange fail', res.errMsg)
| }
| })
| },
| //获取蓝牙的所有服务
| getBLEDeviceServices(deviceId) {
| uni.showLoading({
| title: '正在获取蓝牙服务...',
| mask: true,
| });
| setTimeout(() => {
| uni.getBLEDeviceServices({
| // 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
| deviceId: deviceId,
| success: (res) => {
| uni.showLoading({
| title: '获取中，请稍后...',
| mask: true,
| });
| res.services.forEach((item) => {
| if (item.uuid.indexOf("FF00") != -1) {
| this.serviceId = item.uuid;
| //获取特征
| this.getBLEDeviceCharacteristics(deviceId, item.uuid)
| }
| })
| }
| })
| }, 1000)
| },
| //写入蓝牙
| writeBLECharacteristicValue() {
| this.printflag = false
| let deviceId = uni.getStorageSync('deviceId')
| let serviceId = uni.getStorageSync('serviceId')
| let characteristicId = uni.getStorageSync('characteristicId')
| const printerJobs = new PrinterJobs();
| console.log(this.arr)
| this.arr.forEach(item => {
| if(item.business_order_type==null){
| printerJobs
| .label_set_page(576, 400)
| //边框
| .drawLine(1, 0, 0, 570, 0)
| .drawLine(1, 0, 0, 0, 360)
| .drawLine(1, 570, 0, 570, 360)
| .drawLine(1, 0, 360, 570, 360)
|
| //内部横线
| .drawLine(1, 0, 94, 570, 94) //第一行
| .drawLine(1, 0, 160, 570, 160) //第二行
| .drawLine(1, 0, 227, 570, 227) //第三行
| .drawLine(1, 0, 293, 400, 293) //第四行
|
| .drawLine(1, 120, 94, 120, 360) // 第一根竖线
|
| .drawLine(1, 400, 227, 400, 360) // 第二根竖线
| // 1 原始 是否粗体\字体大小\是否旋转角度\起始横坐标\起始纵坐标\字符串
|
| .drawText(170, 20, "重庆青山工业有限责任公司", 26, 0, 1, false, false)
| .drawText(240, 62, '物料标识签', 26, 0, 1, false, false)
|
| // 3
| .drawText(10, 120, "物料编号", 24, 0, 0, false, false)
| .drawText(130, 120, item.material_code, 24, 0, 0, false, false)
|
| // 4
| .drawText(10, 185, "物料名称", 24, 0, 0, false, false)
| .drawText(130, 185, item.material_name, 24, 0, 0, false, false)
|
| // 5
| .drawText(10, 248, "物料批次", 24, 0, 0, false, false)
| .drawText(130, 248, item.lots_sn, 24, 0, 0, false, false)
|
| // 7
| .drawText(10, 312, "打印时间", 24, 0, 0, false, false)
| .drawText(130, 312, item.material_actual_num, 24, 0, 0, false, false)
| // 二维码
| .drawQrCode(438, 232, item.material_code, 0, 4, 1)
| .drawText(423, 340, item.material_name, 1, 0, 0, false, false)
| .label_print(0, 1);
| }else{
| printerJobs
| .label_set_page(576, 400)
| //边框
| .drawLine(1, 0, 0, 570, 0)
| .drawLine(1, 0, 0, 0, 360)
| .drawLine(1, 570, 0, 570, 360)
| .drawLine(1, 0, 360, 570, 360)
|
| //内部横线
| .drawLine(1, 0, 52, 570, 52) //第一行
| .drawLine(1, 0, 104, 570, 104) //第二行
| .drawLine(1, 0, 156, 570, 156) //第三行
| .drawLine(1, 0, 208, 400, 208) //第四行
| .drawLine(1, 0, 260, 400, 260) //第五行
| .drawLine(1, 0, 312, 400, 312) //第六行
|
| .drawLine(1, 120, 0, 120, 360) // 第一根竖线
|
| .drawLine(1, 220, 260, 220, 312) // 第二根竖线
| .drawLine(1, 300, 260, 300, 312) // 第三根竖线
|
| .drawLine(1, 400, 156, 400, 312,) // 第四根竖线
| // 1 原始 是否粗体\字体大小\是否旋转角度\起始横坐标\起始纵坐标\字符串
|
| .drawText(10, 20, "物料编号", 24, 0, 0, false, false)
| .drawText(130, 20, item.material_code, 24, 0, 0, false, false)
|
| // 2
| .drawText(10, 72, "物料名称", 24, 0, 0, false, false)
| .drawText(130, 72, item.material_name, 24, 0, 0, false, false)
|
| // 3
| .drawText(10, 124, "物料批次", 24, 0, 0, false, false)
| .drawText(130, 124, item.lots_sn, 24, 0, 0, false, false)
|
| // 4
| .drawText(10, 176, "单据号", 24, 0, 0, false, false)
| .drawText(130, 176, item.business_order_no, 24, 0, 0, false, false)
|
| // 5
| .drawText(10, 225, "单据类型", 24, 0, 0, false, false)
| .drawText(130, 225, item.business_order_type, 24, 0, 0, false, false)
|
| // // 5-1
| // .drawText(230, 225, "工序", 24, 0, 0, false, false)
| // .drawText(310, 225, item.cellNo, 24, 0, 0, false, false)
|
| // 6
| .drawText(10, 280, "分拣前", 24, 0, 0, false, false)
| .drawText(130, 280, item.material_original_num, 24, 0, 0, false, false)
|
| // 6-1
| .drawText(230, 280, "分拣后", 24, 0, 0, false, false)
| .drawText(340, 280, item.material_actual_num, 24, 0, 0, false, false)
|
| // 7
| .drawText(10, 332, "分拣数量", 24, 0, 0, false, false)
| .drawText(130, 332, item.cTime, 24, 0, 0, false, false)
| .drawText(440, 332, item.material_require_num, 24, 0, 0, false, false)
|
| // 二维码
| .drawQrCode(426, 170, item.material_code, 0, 6, 1)
| .drawText(434, 310, item.material_name, 1, 0, 0, false, false)
| .label_print(0, 1);
| }
|
| })
| let buffer = printerJobs.buffer();
| // console.log('ArrayBuffer', 'length: ' + buffer.byteLength, ' hex: ' + ab2hex(buffer));
| // 1.并行调用多次会存在写失败的可能性
| // 2.建议每次写入不超过20字节
| // 分包处理，延时调用
| const maxChunk = 18;
| const delay =20;
| for (let i = 0, j = 0, length = buffer.byteLength; i < length; i += maxChunk, j++) {
| let subPackage = buffer.slice(i, i + maxChunk <= length ? (i + maxChunk) : length);
| // setTimeout(this._writeBLECharacteristicValue, j * delay, subPackage);
| setTimeout(() => {
| this._writeBLECharacteristicValue(deviceId, serviceId, characteristicId, subPackage)
| }, j *delay);
| }
|
| },
| _writeBLECharacteristicValue(deviceId, serviceId, characteristicId, buffer) {
| uni.writeBLECharacteristicValue({
| deviceId: deviceId,
| serviceId: serviceId,
| characteristicId: characteristicId,
| value: buffer,
| success(res) {
| console.log('writeBLECharacteristicValue success', res.errMsg)
| },
| fail(res) {
| console.log(JSON.stringify(res))
| console.log(JSON.stringify(buffer))
| uni.getStorageSync('failerr','try')
| }
| })
| },
| //长按事件
| longpress(item, index) {
| let _this = this
| if (uni.getStorageSync('deviceId')) {
| uni.showToast({
| title: '蓝牙已连接！',
| icon: 'none',
| duration: 2000
| })
| return
| }
| uni.showModal({
| title: '提示',
| content: '是否连接蓝牙:' + item.name,
| showCancel: true,
| cancelColor: '#333333',
| success: (res => {
| if (res.confirm) {
| // _this.stopBluetoothDevicesDiscovery()
| uni.setStorageSync('itemblue', item.name)
| this.itemblue = item.name
| _this.createBLEConnection(item.deviceId)
|
| } else if (res.cancel) {
| uni.showToast({
| title: '已取消连接',
| duration: 2000,
| icon: 'none'
| })
| }
| })
| });
| },
| // 点击断开蓝牙连接
| tomy() {
| var _this = this
|
| uni.closeBluetoothAdapter({
| success(res) {
| uni.removeStorageSync('deviceId')
| uni.removeStorageSync("serviceId");
| uni.removeStorageSync("characteristicId");
| // _this.openBluetoothAdapter()
| }
| })
|
| },
| //返回
| fanhui() {
| uni.navigateTo({
| url: './printing'
| })
| },
| }
| }
|
|
