From 0d098ccdf0ddf652b3f00cf7240c0edbfa0ef337 Mon Sep 17 00:00:00 2001
From: wangfukang <15630117759@163.com>
Date: Sun, 17 Mar 2024 09:35:22 +0800
Subject: [PATCH] 11

---
 components/kk-printer/index.vue           | 262 +++++++++++++++-------
 components/kk-printer/utils/bluetoolth.js |  14 +-
 2 files changed, 189 insertions(+), 87 deletions(-)

diff --git a/components/kk-printer/index.vue b/components/kk-printer/index.vue
index 97b37be..f429425 100644
--- a/components/kk-printer/index.vue
+++ b/components/kk-printer/index.vue
@@ -1,6 +1,6 @@
 <template>
 	<view class="kk-printer">
-		<view class="kk-printer-btn" @tap="clickBtn" style="color:#FFF;">
+		<view class="kk-printer-btn" @tap="handlePrintTap" style="color:#FFF;">
 			{{isPrinting?printingText:defaultText}}
 		</view>
 		<view class="kk-shadow" :class="isShowSearch?'show':''" @tap="handleSearchClose">
@@ -85,7 +85,8 @@
 				serviceId: '',
 				writeId: '',
 				readId: '',
-				iosNo: false
+				iosNo: false,
+				deviceType: 'ios'
 			}
 		},
 		props: {
@@ -100,7 +101,7 @@
 				default: '打印中...'
 			},
 			bufferData: {
-				type: String,
+				type: Array,
 				require: true
 			},
 			roomcode: {
@@ -150,6 +151,14 @@
 		},
 		mounted() {
 
+		},
+		onLoad() {
+			uni.getSystemInfoSync({
+				success: function(res) {
+					this.deviceType = res.osName
+					console.log('设备类型', res.osName)
+				}
+			});
 		},
 		beforeDestroy() {
 
@@ -159,102 +168,184 @@
 			doNothing() {
 				return;
 			},
-			clickBtn() {
-				uni.setStorageSync('ok', true)
-				this.handlePrintTap()
-			},
 			//点击打印按钮
-			handlePrintTap() {
+			handlePrintTap() {
 				let that = this
 				// 初始化蓝牙模块
-				wx.openBluetoothAdapter({
+				wx.openBluetoothAdapter({ //111
 					mode: 'central',
 					success: (res2) => {
 						console.log('初始化蓝牙模块', res2)
-						// 开始搜索附近的蓝牙外围设备
-						wx.startBluetoothDevicesDiscovery({
-							success(res3) {
-								console.log('获取设备成功', res3)
-								// 监听扫描到新设备事件
-								wx.onBluetoothDeviceFound((res4) => {
-									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 == 'QR380A-6824_Ble'){ //搜索到需要的设备
-											// 找到要搜索的设备后，及时停止扫描
-											wx.stopBluetoothDevicesDiscovery()
-											wx.createBLEConnection({
-												deviceId: device.deviceId, // 搜索到设备的 deviceId
-												success: () => {
-													console.log('连接设备成功')
-													wx.getBLEDeviceServices({
-														deviceId: device.deviceId, // 搜索到设备的 deviceId
-														success: (res5) => {
-															console.log('获取服务成功',res5)
-															for (let i = 0; i < res5.services.length; i++) {
-																if (res5.services[i].isPrimary) {
-																	// 可根据具体业务需要，选择一个主服务进行通信
-																}
-															}
-															wx.getBLEDeviceCharacteristics({
-																deviceId:device.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')
-																			let buffer = gbk.strToGBKByte(that.aaaSS())
-																			
-																			let opt = {
-																				deviceId: device.deviceId, 
-																				serviceId: res5.services[0].uuid, 
-																				value:buffer,
-																				characteristicId:item.uuid,
-																				lasterSuccess: that.onPrintSuccess,
-																				onceLength: 180 //ios 180   安卓 20
-																			}
-																			blesdk.sendDataToDevice(opt);
-																		}
-																	}
-																}
-															})
-														}
-													})
-												}
-											})
-										}else{
-											
-										}
-								
-									})
-									
-								})
-							},
-							fail(err) {
-								console.log('获取设备失败', res)
+						that.sousuo()
+					},
+					fail: (res) => {
+						that.tui.toast('初始化失败', res)
+					}
+				})
+
+			},
+			// 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) {
+						that.tui.toast('获取设备失败', res)
+					}
+				})
+			},
+			/**
+			 * 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')) {
+					that.lianejieshebei(uni.getStorageSync('deviceId'))
+				} else {
+					// 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 == 'QR380A-6824_Ble') { //搜索到需要的设备
+								// 找到要搜索的设备后，及时停止扫描
+								wx.stopBluetoothDevicesDiscovery() //444
+								that.lianejieshebei(device.deviceId);
 							}
 						})
+					})
+				}
+
+			},
+			lianejieshebei(deviceId) {
+				let that = this;
+				// 连接设备
+				wx.createBLEConnection({ //555
+					deviceId: deviceId, // 搜索到设备的 deviceId
+					success: () => {
+						console.log('连接设备成功')
+						that.huoqufuwu(deviceId)
+					},
+					fail: (res) => {
+						that.tui.toast('连接设备失败', res)
+					}
+				})
+			},
+			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) => {
+						that.tui.toast('获取服务失败', res)
+					}
+				})
+			},
+			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)
+						that.xierushuju(deviceId, res5, res6)
 					},
 					fail: (res) => {
-						console.log('初始化失败', res)
+						that.tui.toast('读写特征值失败', res)
 					}
 				})
+			},
+			xierushuju(deviceId, res5, res6) {
+				let that = this;
+				uni.setStorageSync('deviceId', deviceId);
+				uni.setStorageSync('serviceId', res5.services[0].uuid);
+				uni.setStorageSync('characteristicId', item.uuid);
+				//写入数据
+				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')
+						if (this.defaultText == '打印小票') {
+							that.$emit('onPrintSmall');
+						} else if (this.defaultText == '确认打印') {
+							that.$emit('goPrint');
+						} else {
+							that.$emit('onPrint');
+						}
+						console.log('查看数据是否正确', this.bufferData)
+						let buffer = gbk.strToGBKByte(data)
+						const maxChunk = 20;
+						const delay = 20;
+						for (let i = 0, j = 0, length = buffer.byteLength; i < length; i += maxChunk, j++) {
+							let subPackage = buffer.slice(i, i + maxChunk <= length ? (i + maxChunk) : length);
+							setTimeout(this._writeBLECharacteristicValue, j * delay, subPackage);
+						}
+						// that.$nextTick(()=>{
+						// 	for(var m=0;m<that.bufferData.length;m++){
+						// 		// if(m > 0){
+						// 		// 	console.log('打印前',that.bufferData[m])
+						// 		// 	setTimeout(res=> {
+						// 		// 		var data = that.bufferData[m]
+						// 		// 		let buffer = gbk.strToGBKByte(data)
+						// 		// 		let opt = {
+						// 		// 			deviceId: deviceId, 
+						// 		// 			serviceId: res5.services[0].uuid, 
+						// 		// 			value:buffer,
+						// 		// 			characteristicId:item.uuid,
+						// 		// 			lasterSuccess: that.onPrintSuccess,
+						// 		// 			onceLength: that.deviceType == 'android'?20:180 //ios 180   安卓 20
+						// 		// 		}
+						// 		// 		blesdk.sendDataToDevice(opt);
+						// 		// 	},3000 * m)
+
+						// 		// }else{
+						// 			console.log('打印前',that.bufferData[m])
+						// 			var data = that.bufferData[m]
+						// 			var buffer = gbk.strToGBKByte(that.bufferData[m])
+						// 			var opt = {
+						// 				deviceId: deviceId, 
+						// 				serviceId: res5.services[0].uuid, 
+						// 				value:buffer,
+						// 				characteristicId:item.uuid,
+						// 				lasterSuccess: that.onPrintSuccess,
+						// 				onceLength: 20 //ios 180   安卓 20
+						// 			}
+						// 			blesdk.sendDataToDevice(opt);
+						// 		// }
 
-			},
-			aaaSS() {
-				let strCmd = blesdk.CreatCPCLPage(440, 320, 1, 0);
-				strCmd += blesdk.addCPCLText('0', '30', '24', '0', 0, '商品名：张三')
-				strCmd += blesdk.addCPCLText('0', '80', '24', '0', 0, '货  号：ZS001')
-				strCmd += blesdk.addCPCLText('0', '130', '24', '0', 0, '供应商：李四')
-				strCmd += blesdk.addCPCLText('0', '180', '24', '0', 0, '批发价：100')
-				strCmd += blesdk.addCPCLText('0', '230', '24', '0', 0, '零售价：100')
-				strCmd += blesdk.addCPCLQRCode(200, 140, 'H', '1', 6, ['45646132464651648','1654867048641651654']) //二维码
-				strCmd += blesdk.addCPCLLocation(0); //对齐指令 0-左对齐 1-右对齐 2-居中
-				strCmd += blesdk.addCPCLPrint();
-				
-				return strCmd;
+						// 	}
+
+						// })
+						// return;
+					}
+				}
 			},
+			_writeBLECharacteristicValue(buffer) {
+				wx.writeBLECharacteristicValue({
+					deviceId:uni.getStorageSync('deviceId'),
+					serviceId: uni.getStorageSync('serviceId'),
+					characteristicId: uni.getStorageSync('characteristicId'),
+					value: buffer,
+					success(res) {
+						console.log('writeBLECharacteristicValue success', res)
+					},
+					fail(res) {
+						console.log('writeBLECharacteristicValue fail', res)
+					}
+				})
+			},
+
+
+
 			onGetDevice(res) {
 				this.devicesList = res;
 			},
@@ -333,6 +424,7 @@
 
 			},
 			onPrintSuccess() {
+				console.log("打印完成22222")
 				this.isPrinting = false;
 				this.$u.route('/pages/toll/toll', {
 					roomcode: this.roomcode,
diff --git a/components/kk-printer/utils/bluetoolth.js b/components/kk-printer/utils/bluetoolth.js
index b49856d..0b19453 100644
--- a/components/kk-printer/utils/bluetoolth.js
+++ b/components/kk-printer/utils/bluetoolth.js
@@ -241,13 +241,23 @@ export function sendDataToDevice(options) {
 						...options,
 						value: options.value.slice(speed, byteLength),
 					});
-				} else {
+				} else {
+					console.log("打印完成")
 					options.lasterSuccess && options.lasterSuccess();
 				}
 			})
 			.catch((res) => {
-				console.log('打印错误了',res)
+				console.log('打印错误了',res)
+				uni.showToast({
+					title: res,
+					icon: 'none'
+				})
 			});
+	}else{
+		uni.showToast({
+			title: '没数据',
+			icon: 'none'
+		})
 	}
 }
 export function charToArrayBuffer(str) {