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-<template>
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- <view>
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- <button @click="searchBle">搜索蓝牙打印机</button>
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- <view style="margin-top: 30upx;" :key="index" v-for="(item,index) in devices">
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- <button style="width: 400upx; color: #0081FF;" @click="onConn(item)">{{item.name}}</button>
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- </view>
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- <button style="margin-top: 100upx;" @click="senBleLabel()">标签打印</button>
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- <textarea @blur="bindTextAreaBlur" auto-height placeholder-style="color:#F76260" placeholder="请输入票据信息" v-model="piaojuText" />
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- <button style="margin-top: 100upx;" @click="billPrint()">票据打印</button>
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- </view>
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-</template>
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-
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-<script>
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- var tsc = require("./js/gprint/tsc.js");
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- var esc = require("./js/gprint/esc.js");
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- export default {
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- data() {
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- return {
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- devices: [],
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- currDev: null,
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- connId: '',
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- piaojuText:'',
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- }
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- },
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- onLoad: function() {
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-
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- },
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-
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- methods: {
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- destroyed: function() {
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- console.log("destroyed----------")
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- if (this.connId != '') {
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- uni.closeBLEConnection({
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- deviceId: this.connId,
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- success(res) {
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- console.log(res)
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- }
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- })
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- }
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-
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- },
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- searchBle() {
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- var that = this
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- console.log("initBule")
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- uni.openBluetoothAdapter({
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- success(res) {
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- console.log("打开 蓝牙模块")
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- console.log(res)
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- that.onDevice()
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- uni.getBluetoothAdapterState({
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- success: function(res) {
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- console.log(res)
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- if (res.available) {
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- if (res.discovering) {
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- that.stopFindBule()
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- }
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- //搜索蓝牙
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- //开始搜寻附近的蓝牙外围设备
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- console.log("开始搜寻附近的蓝牙外围设备")
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- uni.startBluetoothDevicesDiscovery({
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- success(res) {
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- console.log(res)
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- }
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- })
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-
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- } else {
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- console.log('本机蓝牙不可用')
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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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- onDevice(){
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- console.log("监听寻找到新设备的事件---------------")
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- var that = this
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- //监听寻找到新设备的事件
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- uni.onBluetoothDeviceFound(function(devices) {
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- console.log('--------------new-----------------------'+JSON.stringify(devices))
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- var re = JSON.parse(JSON.stringify(devices))
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- console.log(re.devices[0].name + " " + re.devices[0].deviceId)
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- let name = re.devices[0].name
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- if (name != "未知设备" && name != "") {
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- let deviceId = re.devices[0].deviceId
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- that.devices.push({
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- name: name,
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- deviceId: deviceId,
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- services: []
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- })
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- }
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- })
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- },
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-
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- stopFindBule() {
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- console.log("停止搜寻附近的蓝牙外围设备---------------")
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- uni.stopBluetoothDevicesDiscovery({
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- success(res) {
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- console.log(res)
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- }
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- })
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- },
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- onConn(item) {
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- var that = this
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- console.log("连接蓝牙---------------" + item.deviceId)
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- let deviceId = item.deviceId
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- uni.createBLEConnection({
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- deviceId: deviceId,
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- complete(res) {
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- if (res.errMsg == "createBLEConnection:ok") {
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- console.log("连接蓝牙-[" + item.name + "]--成功")
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- that.$msg("连接蓝牙-[" + item.name + "]--成功");
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- that.connId = deviceId;
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- that.currDev = item
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- setTimeout(function() {
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- that.getBLEServices(deviceId)
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- }, 2000)
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- } else {
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- console.log(res)
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- }
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- //连接成功 关闭搜索
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- that.stopFindBule()
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- },
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- })
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- },
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-
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- getBLEServices(_deviceId) {
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- var that = this;
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- let deviceId = _deviceId
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- console.log("获取蓝牙设备所有服务(service)")
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-
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- uni.getBLEDeviceServices({
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- // 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
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- deviceId: deviceId,
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- complete(res) {
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- console.log(res)
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- let serviceId = ""
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-
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- for (var s = 0; s < res.services.length; s++) {
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- console.log(res.services[s].uuid)
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- let serviceId = res.services[s].uuid
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- uni.getBLEDeviceCharacteristics({
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- // 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
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- deviceId: deviceId,
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- // 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
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- serviceId: serviceId,
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- success(res) {
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- var re = JSON.parse(JSON.stringify(res))
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-
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- console.log('deviceId = [' + deviceId + '] serviceId = [' + serviceId + ']')
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- for (var c = 0; c < re.characteristics.length; c++) {
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- if (re.characteristics[c].properties.write == true) {
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- let uuid = re.characteristics[c].uuid
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- console.log(' deviceId = [' + deviceId + '] serviceId = [' + serviceId + '] characteristics=[' +
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- uuid)
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-
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- for (var index in that.devices) {
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- if (that.devices[index].deviceId == deviceId) {
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- that.devices[index].services.push({
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- serviceId: serviceId,
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- characteristicId: uuid
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- })
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- break
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- }
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-
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- }
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- console.log(JSON.stringify(that.devices))
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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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-
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-
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- },
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- fail(res) {
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- console.log(res)
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- },
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- })
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-
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- },
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- senBlData(deviceId, serviceId, characteristicId,uint8Array) {
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- console.log('************deviceId = [' + deviceId + '] serviceId = [' + serviceId + '] characteristics=[' +characteristicId+ "]")
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- var uint8Buf = Array.from(uint8Array);
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- function split_array(datas,size){
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- var result = {};
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- var j = 0
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- for (var i = 0; i < datas.length; i += size) {
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- result[j] = datas.slice(i, i + size)
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- j++
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- }
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- console.log(result)
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- return result
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- }
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- var sendloop = split_array(uint8Buf, 20);
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- // console.log(sendloop.length)
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- function realWriteData(sendloop, i) {
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- var data = sendloop[i]
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- if(typeof(data) == "undefined"){
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- return
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- }
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- console.log("第【" + i + "】次写数据"+data)
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- var buffer = new ArrayBuffer(data.length)
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- var dataView = new DataView(buffer)
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- for (var j = 0; j < data.length; j++) {
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- dataView.setUint8(j, data[j]);
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- }
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- uni.writeBLECharacteristicValue({
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- deviceId,
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- serviceId,
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- characteristicId,
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- value: buffer,
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- success(res) {
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- realWriteData(sendloop, i + 1);
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- }
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- })
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- }
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- var i = 0;
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- realWriteData(sendloop, i);
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- },
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- senBleLabel() {
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- //标签模式
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- let deviceId = this.currDev.deviceId;
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- let serviceId = this.currDev.services[0].serviceId;
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- let characteristicId = this.currDev.services[0].characteristicId;
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- var command = tsc.jpPrinter.createNew()
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- command.setSize(40, 30)
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- command.setGap(2)
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- command.setCls()
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- // command.setText(50, 10, "TSS24.BF2", 1, 1, "打印测试")
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- // command.setQR(50, 50, "L", 5, "A", "977767937@qq.com")
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- command.setText(10, 50, "TSS24.BF2", 1, 1, "收花人姓名：小明")
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- command.setText(10, 90, "TSS24.BF2", 1, 1, "收花人电话：15280215347")
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- command.setText(10, 130, "TSS24.BF2", 1, 1, "收花时间：2020-6-10 上午")
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- command.setText(10, 170, "TSS24.BF2", 1, 1, "收花地址：厦门市集美区凤林前山路147号110室")
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- command.setPagePrint()
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- this.senBlData(deviceId, serviceId, characteristicId,command.getData())
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- },
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- billPrint(){
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- //票据模式
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- let deviceId = this.currDev.deviceId;
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- let serviceId = this.currDev.services[0].serviceId;
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- let characteristicId = this.currDev.services[0].characteristicId;
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- var command = esc.jpPrinter.createNew()
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- command.init()
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- command.setText(this.piaojuText);
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- command.setPrintAndFeedRow(1)
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- this.senBlData(deviceId, serviceId, characteristicId,command.getData())
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- }
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- }
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- }
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-</script>
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-
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-<style>
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-
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-</style>
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fuwei