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@ -1,6 +1,6 @@ |
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<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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<view class="kk-printer-btn" @tap="handlePrintTap" 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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@ -85,7 +85,8 @@ |
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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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iosNo: false, |
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deviceType: 'ios' |
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} |
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}, |
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props: { |
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@ -100,7 +101,7 @@ |
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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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type: Array, |
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require: true |
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}, |
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roomcode: { |
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@ -150,6 +151,14 @@ |
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}, |
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mounted() { |
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}, |
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onLoad() { |
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uni.getSystemInfoSync({ |
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success: function(res) { |
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this.deviceType = res.osName |
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console.log('设备类型', res.osName) |
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} |
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}); |
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}, |
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beforeDestroy() { |
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@ -159,102 +168,184 @@ |
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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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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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wx.openBluetoothAdapter({ //111 |
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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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that.sousuo() |
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}, |
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fail: (res) => { |
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that.tui.toast('初始化失败', res) |
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} |
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}) |
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}, |
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// 开始搜索附近的蓝牙外围设备 |
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sousuo() { |
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let that = this; |
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wx.startBluetoothDevicesDiscovery({ //222 |
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success(res3) { |
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console.log('获取设备成功', res3) |
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that.jiantingshebei() |
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}, |
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fail(err) { |
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that.tui.toast('获取设备失败', res) |
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} |
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}) |
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}, |
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/** |
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* jiantingshebei方法，判断缓存中有没有deviceId等数据的时候， |
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* 有： 直接拿到缓存中的deviceId等，直接请求 wx.createBLEConnection |
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* 没有：才会调用 wx.onBluetoothDeviceFound 搜索 |
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*/ |
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jiantingshebei() { |
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let that = this; |
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if (uni.getStorageSync('deviceId')) { |
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that.lianejieshebei(uni.getStorageSync('deviceId')) |
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} else { |
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// 监听扫描到新设备事件 |
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wx.onBluetoothDeviceFound((res4) => { //333 |
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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() //444 |
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that.lianejieshebei(device.deviceId); |
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} |
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}) |
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}) |
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} |
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}, |
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lianejieshebei(deviceId) { |
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let that = this; |
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// 连接设备 |
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wx.createBLEConnection({ //555 |
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deviceId: 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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that.huoqufuwu(deviceId) |
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}, |
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fail: (res) => { |
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that.tui.toast('连接设备失败', res) |
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} |
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}) |
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}, |
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huoqufuwu(deviceId) { |
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let that = this; |
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//获取服务 |
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wx.getBLEDeviceServices({ //666 |
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deviceId: 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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that.duxietezhengzhi(deviceId, res5) |
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}, |
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fail: (res) => { |
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that.tui.toast('获取服务失败', res) |
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} |
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}) |
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}, |
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duxietezhengzhi(deviceId, res5) { |
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let that = this; |
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//读写特征值 |
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wx.getBLEDeviceCharacteristics({ //777 |
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deviceId: 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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that.xierushuju(deviceId, res5, res6) |
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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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that.tui.toast('读写特征值失败', res) |
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} |
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}) |
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}, |
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xierushuju(deviceId, res5, res6) { |
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let that = this; |
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uni.setStorageSync('deviceId', deviceId); |
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uni.setStorageSync('serviceId', res5.services[0].uuid); |
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uni.setStorageSync('characteristicId', item.uuid); |
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//写入数据 |
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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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if (this.defaultText == '打印小票') { |
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that.$emit('onPrintSmall'); |
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} else if (this.defaultText == '确认打印') { |
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that.$emit('goPrint'); |
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} else { |
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that.$emit('onPrint'); |
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} |
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console.log('查看数据是否正确', this.bufferData) |
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let buffer = gbk.strToGBKByte(data) |
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const maxChunk = 20; |
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const delay = 20; |
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for (let i = 0, j = 0, length = buffer.byteLength; i < length; i += maxChunk, j++) { |
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let subPackage = buffer.slice(i, i + maxChunk <= length ? (i + maxChunk) : length); |
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setTimeout(this._writeBLECharacteristicValue, j * delay, subPackage); |
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} |
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// that.$nextTick(()=>{ |
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// for(var m=0;m<that.bufferData.length;m++){ |
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// // if(m > 0){ |
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// // console.log('打印前',that.bufferData[m]) |
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// // setTimeout(res=> { |
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// // var data = that.bufferData[m] |
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// // let buffer = gbk.strToGBKByte(data) |
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// // let opt = { |
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// // deviceId: 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: that.deviceType == 'android'?20:180 //ios 180 安卓 20 |
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// // } |
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// // blesdk.sendDataToDevice(opt); |
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// // },3000 * m) |
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// // }else{ |
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// console.log('打印前',that.bufferData[m]) |
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// var data = that.bufferData[m] |
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// var buffer = gbk.strToGBKByte(that.bufferData[m]) |
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// var opt = { |
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// deviceId: 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: 20 //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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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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// }) |
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// return; |
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} |
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} |
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}, |
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_writeBLECharacteristicValue(buffer) { |
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wx.writeBLECharacteristicValue({ |
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deviceId:uni.getStorageSync('deviceId'), |
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serviceId: uni.getStorageSync('serviceId'), |
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characteristicId: uni.getStorageSync('characteristicId'), |
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value: buffer, |
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success(res) { |
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console.log('writeBLECharacteristicValue success', res) |
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}, |
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fail(res) { |
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console.log('writeBLECharacteristicValue fail', res) |
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} |
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}) |
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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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@ -333,6 +424,7 @@ |
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}, |
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onPrintSuccess() { |
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console.log("打印完成22222") |
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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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wangfukang
3 years ago