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wangfukang 3 years ago
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3d0f5f5a9e
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2 changed files with 232 additions and 223 deletions
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  1. BIN
      components/.DS_Store
  2. 455
      components/kk-printer/index.vue

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components/.DS_Store
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455
components/kk-printer/index.vue
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@ -69,8 +69,8 @@
serviceId: '',
writeId: '',
readId: '',
iosNo: false,
deviceType:'ios'
iosNo: false,
deviceType: 'ios'
}
},
props: {
@ -103,9 +103,16 @@
},
mounted() {
},
onLoad(){
},
watch: {
isShowSearch(newVal, oldVal) {
if(newVal == false){
this.$parent.$parent.isShow = true
}
}
},
onLoad() {
},
beforeDestroy() {
@ -116,236 +123,238 @@
return;
},
//点击打印按钮
handlePrintTap() {
let that = this
uni.showLoading({
mask:true,
title: '加载中...'
});
uni.getSystemInfo({
success (res) {
that.deviceType = res.osName
console.log('设备类型',res.osName)
}
handlePrintTap() {
let that = this
console.log(this.$parent)
this.$parent.$parent.clickShow();
uni.showLoading({
mask: true,
title: '加载中...'
});
uni.getSystemInfo({
success(res) {
that.deviceType = res.osName
console.log('设备类型', res.osName)
}
})
// 初始化蓝牙模块
wx.openBluetoothAdapter({ //111
mode: 'central',
success: (res2) => {
success: (res2) => {
console.log('初始化蓝牙模块', res2)
that.sousuo()
},
fail: (res) => {
fail: (res) => {
console.log('初始化蓝牙模块', res)
that.tui.toast('初始化失败', res)
this.isShowSearch = true
that.tui.toast('初始化失败', res)
this.isShowSearch = true
uni.hideLoading();
}
})
},
// 开始搜索附近的蓝牙外围设备
sousuo() {
let that = this;
wx.startBluetoothDevicesDiscovery({ //222
success(res3) {
console.log('获取设备成功', res3)
that.jiantingshebei()
},
fail(err) {
console.log('获取设备失败', err)
that.tui.toast('获取设备失败', err)
wx.closeBLEConnection({
deviceId: uni.getStorageSync('deviceId'),
success(res) {
console.log(res)
}
})
uni.removeStorageSync('deviceId');
that.isShowSearch = true
that.sousuo()
uni.hideLoading();
}
})
},
//停止搜索蓝牙设备
stopSearchBtnTap() {
wx.stopBluetoothDevicesDiscovery()
},
/**
* jiantingshebei方法，判断缓存中有没有deviceId等数据的时候，
* 有： 直接拿到缓存中的deviceId等，直接请求 wx.createBLEConnection
* 没有：才会调用 wx.onBluetoothDeviceFound 搜索
*/
jiantingshebei() {
let that = this;
if (uni.getStorageSync('deviceId')) {
console.log("111")
// that.huoqufuwu(uni.getStorageSync('deviceId'))
that.lianejieshebei(uni.getStorageSync('deviceId'))
} else {
console.log("222")
uni.hideLoading();
this.isShowSearch = true
// 监听扫描到新设备事件
wx.onBluetoothDeviceFound((res4) => { //333
console.log('监听新设备列表，拿到想要的就自动停止', res4)
res4.devices.forEach((device) => {
if (!device.name && !device.localName) {
return
}
that.devicesList.push(device)
})
})
}
},
lianejieshebei(deviceId) {
let that = this;
// 连接设备
wx.createBLEConnection({ //555
deviceId: deviceId, // 搜索到设备的 deviceId
success: () => {
that.isShowSearch = false
console.log('连接设备成功')
that.huoqufuwu(deviceId)
},
fail: (res) => {
console.log('连接设备失败', res)
that.tui.toast('连接设备失败', res)
if (uni.getStorageSync('deviceId')) {
that.huoqufuwu(uni.getStorageSync('deviceId'))
} else {
wx.closeBLEConnection({
deviceId: uni.getStorageSync('deviceId'),
success(res) {
console.log(res)
}
})
uni.removeStorageSync('deviceId')
that.sousuo()
that.isShowSearch = true
}
},
// 开始搜索附近的蓝牙外围设备
sousuo(){
let that = this;
wx.startBluetoothDevicesDiscovery({ //222
success(res3) {
console.log('获取设备成功', res3)
that.jiantingshebei()
},
fail(err) {
console.log('获取设备失败', err)
that.tui.toast('获取设备失败', err)
wx.closeBLEConnection({
deviceId:uni.getStorageSync('deviceId'),
success (res) {
console.log(res)
}
})
uni.removeStorageSync('deviceId');
this.isShowSearch = true
this.sousuo()
uni.hideLoading();
}
})
},
//停止搜索蓝牙设备
stopSearchBtnTap(){
wx.stopBluetoothDevicesDiscovery()
},
/**
* jiantingshebei方法，判断缓存中有没有deviceId等数据的时候，
* 有： 直接拿到缓存中的deviceId等，直接请求 wx.createBLEConnection
* 没有：才会调用 wx.onBluetoothDeviceFound 搜索
*/
jiantingshebei(){
let that = this;
if(uni.getStorageSync('deviceId')){
console.log("111")
// that.huoqufuwu(uni.getStorageSync('deviceId'))
that.lianejieshebei(uni.getStorageSync('deviceId'))
}else{
console.log("222")
uni.hideLoading();
this.isShowSearch = true
// 监听扫描到新设备事件
wx.onBluetoothDeviceFound((res4) => { //333
console.log('监听新设备列表，拿到想要的就自动停止', res4)
res4.devices.forEach((device) => {
if (!device.name && !device.localName) {
return
}
that.devicesList.push(device)
})
})
}
},
lianejieshebei(deviceId){
let that = this;
// 连接设备
wx.createBLEConnection({//555
deviceId: deviceId, // 搜索到设备的 deviceId
success: () => {
this.isShowSearch = false
console.log('连接设备成功')
that.huoqufuwu(deviceId)
},
fail: (res) => {
console.log('连接设备失败',res)
that.tui.toast('连接设备失败', res)
if(uni.getStorageSync('deviceId')){
this.huoqufuwu(uni.getStorageSync('deviceId'))
}else{
wx.closeBLEConnection({
deviceId:uni.getStorageSync('deviceId'),
success (res) {
console.log(res)
}
})
uni.removeStorageSync('deviceId')
this.sousuo()
this.isShowSearch = true
}
uni.hideLoading();
}
})
},
huoqufuwu(deviceId){
let that = this;
//获取服务
wx.getBLEDeviceServices({ //666
deviceId: deviceId, // 搜索到设备的 deviceId
success: (res5) => {
console.log('获取服务成功',res5)
that.duxietezhengzhi(deviceId,res5)
},
fail: (res) => {
console.log(res)
that.tui.toast('获取服务失败', res)
wx.closeBLEConnection({
deviceId:uni.getStorageSync('deviceId'),
success (res1) {
console.log(res1)
}
})
this.isShowSearch = true
uni.hideLoading();
}
})
},
duxietezhengzhi(deviceId,res5){
let that = this;
//读写特征值
wx.getBLEDeviceCharacteristics({ //777
deviceId:deviceId, // 搜索到设备的 deviceId
serviceId:res5.services[0].uuid, // 上一步中找到的某个服务
success: (res6) => {
console.log('读写特征值成功',res6)
for (let i =0; i <res6.characteristics.length; i++) {
let item =res6.characteristics[i]
if (item.properties.write) { // 该特征值可写
console.log('该特征值可写')
uni.setStorageSync('deviceId', deviceId);
uni.setStorageSync('serviceId', res5.services[0].uuid);
uni.setStorageSync('characteristicId', item.uuid);
that.xierushuju()
return;
}
}
},
fail: (res) => {
that.tui.toast('读写特征值失败', res)
wx.closeBLEConnection({
deviceId:uni.getStorageSync('deviceId'),
success (res) {
console.log(res)
}
})
this.isShowSearch = true
uni.hideLoading();
}
})
},
xierushuju(){
let that = this;
//写入数据
if(this.defaultText == '打印小票'){
that.$emit('onPrintSmall');
}else if(this.defaultText == '确认打印'){
that.$emit('goPrint');
}else{
that.$emit('onPrint');
}
console.log('查看数据是否正确',that.bufferData)
that.$nextTick(()=>{
var dataStr = ''
for(let m=0;m<that.bufferData.length;m++){
dataStr += that.bufferData[m]
}
const maxChunk = that.deviceType== 'android'?20:180;
const delay = that.deviceType== 'android'?20:180;
let buffer = gbk.strToGBKByte(dataStr)
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(that._writeBLECharacteristicValue, j * delay, subPackage);
}
})
return;
},
_writeBLECharacteristicValue(buffer) {
let that = this;
wx.writeBLECharacteristicValue({
deviceId: uni.getStorageSync('deviceId'),
serviceId: uni.getStorageSync('serviceId'),
characteristicId: uni.getStorageSync('characteristicId'),
value: buffer,
success(res) {
console.log('打印buffer',buffer)
console.log('writeBLECharacteristicValue success', res)
},
fail(res) {
console.log('writeBLECharacteristicValue fail', res)
wx.closeBLEConnection({
deviceId:uni.getStorageSync('deviceId'),
success (res) {
console.log(res)
}
})
if(uni.getStorageSync('deviceId')){
console.log("111")
that.xierushuju()
}else{
that.jiantingshebei()
}
}
})
uni.hideLoading();
},
handleSearchClose(){
this.isShowSearch = false
uni.hideLoading();
}
})
},
huoqufuwu(deviceId) {
let that = this;
//获取服务
wx.getBLEDeviceServices({ //666
deviceId: deviceId, // 搜索到设备的 deviceId
success: (res5) => {
console.log('获取服务成功', res5)
that.duxietezhengzhi(deviceId, res5)
},
fail: (res) => {
console.log(res)
that.tui.toast('获取服务失败', res)
wx.closeBLEConnection({
deviceId: uni.getStorageSync('deviceId'),
success(res1) {
console.log(res1)
}
})
that.isShowSearch = true
uni.hideLoading();
}
})
},
duxietezhengzhi(deviceId, res5) {
let that = this;
//读写特征值
wx.getBLEDeviceCharacteristics({ //777
deviceId: deviceId, // 搜索到设备的 deviceId
serviceId: res5.services[0].uuid, // 上一步中找到的某个服务
success: (res6) => {
console.log('读写特征值成功', res6)
for (let i = 0; i < res6.characteristics.length; i++) {
let item = res6.characteristics[i]
if (item.properties.write) { // 该特征值可写
console.log('该特征值可写')
uni.setStorageSync('deviceId', deviceId);
uni.setStorageSync('serviceId', res5.services[0].uuid);
uni.setStorageSync('characteristicId', item.uuid);
that.xierushuju()
return;
}
}
},
fail: (res) => {
that.tui.toast('读写特征值失败', res)
wx.closeBLEConnection({
deviceId: uni.getStorageSync('deviceId'),
success(res) {
console.log(res)
}
})
that.isShowSearch = true
uni.hideLoading();
}
})
},
xierushuju() {
let that = this;
//写入数据
if (this.defaultText == '打印小票') {
that.$emit('onPrintSmall');
} else if (this.defaultText == '确认打印') {
that.$emit('goPrint');
} else {
that.$emit('onPrint');
}
console.log('查看数据是否正确', that.bufferData)
that.$nextTick(() => {
var dataStr = ''
for (let m = 0; m < that.bufferData.length; m++) {
dataStr += that.bufferData[m]
}
const maxChunk = that.deviceType == 'android' ? 20 : 180;
const delay = that.deviceType == 'android' ? 20 : 180;
let buffer = gbk.strToGBKByte(dataStr)
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(that._writeBLECharacteristicValue, j * delay, subPackage);
}
})
return;
},
_writeBLECharacteristicValue(buffer) {
let that = this;
wx.writeBLECharacteristicValue({
deviceId: uni.getStorageSync('deviceId'),
serviceId: uni.getStorageSync('serviceId'),
characteristicId: uni.getStorageSync('characteristicId'),
value: buffer,
success(res) {
console.log('打印buffer', buffer)
console.log('writeBLECharacteristicValue success', res)
},
fail(res) {
console.log('writeBLECharacteristicValue fail', res)
wx.closeBLEConnection({
deviceId: uni.getStorageSync('deviceId'),
success(res) {
console.log(res)
}
})
if (uni.getStorageSync('deviceId')) {
console.log("111")
that.xierushuju()
} else {
that.jiantingshebei()
}
}
})
uni.hideLoading();
},
handleSearchClose() {
this.isShowSearch = false
}
}
}

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