11

components/kk-printer/index.vue

@@ -15,7 +15,7 @@
 						<input type="text"  placeholder-class="kk-placeholder-class" placeholder="请输入蓝牙名字或设备ID搜索" v-model="filterName" />
 					</view> -->
 					<view class="kk-btn-wrap">
-						<view class="kk-btn-item confirm-btn" @tap="searchBtnTap" v-if="!isSearching">
+						<view class="kk-btn-item confirm-btn" @tap="sousuo" v-if="!isSearching">
 							搜索设备
 						</view>
 						<view class="kk-btn-item confirm-btn" v-else>
@@ -26,29 +26,21 @@
 						</view>
 					</view>
 					<view class="kk-devices-wrap">
-						<view class="empty-wrap" v-if="filterDeviceList.length <= 0">
+						<view class="empty-wrap" v-if="devicesList.length <= 0">
 							<view class="empty-icon"></view>
 							<view class="empty-text">无可搜索到的设备</view>
 						</view>
 						<view class="" v-else>
-							<view class="kk-devices-item" v-for="(item,index) in filterDeviceList" :key="index"
+							<view class="kk-devices-item" v-for="(item,index) in devicesList" :key="index"
-								@tap="handleConnectDevice(item)">
+								@tap="lianejieshebei(item.deviceId)">
 								<view class="name" style="color:#000;">
 									<text>设备名称：</text>
 									<text>{{item.name?item.name:'未命名'}}</text>
 								</view>
 								<view class="rssi">
 									<text>信号强度：</text>
-									<text>({{Math.max(0, item.RSSI + 100)}}%)</text>
+									<text>({{item.RSSI}})</text>
 								</view>
-								<!-- <view class="deviceid">
-									<text>设备ID：</text>
-									<text>{{item.deviceId}}</text>
-								</view>
-								<view class="advmac" v-if="item.advMac">
-									<text>advMac：</text>
-									<text>{{item.advMac}}</text>
-								</view> -->
 							</view>
 						</view>
 					</view>
@@ -117,38 +109,6 @@
 				require: true
 			}
 		},
-		computed: {
-			mapFilterRSSI() {
-				return (0 - this.filterRSSI)
-			},
-			filterDeviceList() {
-				let devices = this.devicesList;
-				let name = this.filterName;
-				let rssi = this.filterRSSI;
-				//按RSSI过滤
-				let filterDevices1 = devices.filter((item) => {
-					return item.RSSI > rssi
-				})
-				// 按名字过滤
-				let filterDevices2
-				if (name != '') {
-					filterDevices2 = filterDevices1.filter((item) => {
-						return (item.name.indexOf(name) >= 0 || item.deviceId.indexOf(name) >= 0)
-					})
-				} else {
-					filterDevices2 = filterDevices1
-				}
-				// 根据广播数据提取MAC地址
-				for (let i = 0; i < filterDevices2.length; i++) {
-					if (filterDevices2[i].hasOwnProperty('advertisData')) {
-						if (filterDevices2[i].advertisData.byteLength == 8) {
-							filterDevices2[i].advMac = util.buf2hex(filterDevices2[i].advertisData.slice(2, 7));
-						}
-					}
-				}
-				return filterDevices2
-			}
-		},
 		mounted() {
 
 		},
@@ -166,6 +126,10 @@
 			//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
@@ -180,7 +144,9 @@
 						that.sousuo()
 					},
 					fail: (res) => {
-						that.tui.toast('初始化失败', res)
+						that.tui.toast('初始化失败', res)
+						this.isShowSearch = true
+						uni.hideLoading();
 					}
 				})
 
@@ -194,10 +160,16 @@
 						that.jiantingshebei()
 					},
 					fail(err) {
-						that.tui.toast('获取设备失败', res)
+						that.tui.toast('获取设备失败', err)
+						this.isShowSearch = true
+						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 
@@ -206,17 +178,20 @@
 			jiantingshebei(){
 				let that = this;
 				if(uni.getStorageSync('deviceId')){
+					console.log("111")
 					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 == 'QR380A-6824_Ble'){ //搜索到需要的设备
+							if (!device.name && !device.localName) {
-								// 找到要搜索的设备后，及时停止扫描
+							  return
-								wx.stopBluetoothDevicesDiscovery() //444
-								that.lianejieshebei(device.deviceId);
 							}
+							that.devicesList.push(device)
 						})
 					})
 				}
@@ -233,6 +208,8 @@
 					},
 					fail: (res) => {
 						that.tui.toast('连接设备失败', res)
+						this.isShowSearch = true
+						uni.hideLoading();
 					}
 				})
 			},
@@ -247,6 +224,8 @@
 					},
 					fail: (res) => {
 						that.tui.toast('获取服务失败', res)
+						this.isShowSearch = true
+						uni.hideLoading();
 					}
 				})
 			},
@@ -258,51 +237,55 @@
 					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)
+						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)
+						this.isShowSearch = true
+						uni.hideLoading();
 					}
 				})
 			},
-			xierushuju(deviceId,res5,res6){
+			xierushuju(){
 				let that = this;
 				//写入数据
-				for (let i =0; i <res6.characteristics.length; i++) {
+				if(this.defaultText == '打印小票'){
-					let item =res6.characteristics[i]
+					that.$emit('onPrintSmall');
-					if (item.properties.write) { // 该特征值可写
+				}else if(this.defaultText == '确认打印'){
-						console.log('该特征值可写')
+					that.$emit('goPrint');
-						uni.setStorageSync('deviceId', deviceId);
+				}else{
-						uni.setStorageSync('serviceId', res5.services[0].uuid);
+					that.$emit('onPrint');
-						uni.setStorageSync('characteristicId', item.uuid);
-						if(this.defaultText == '打印小票'){
-							that.$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.$nextTick(()=>{
-							var dataStr = ''
-							for(let m=0;m<that.bufferData.length;m++){
-								dataStr += that.bufferData[m]
-							}
-							const maxChunk = that.deviceType== 'android'?20:180;
-							const delay = that.deviceType== 'android'?20:180;
-							
-							let buffer = gbk.strToGBKByte(dataStr)
-							for (let i = 0, j = 0, length = buffer.byteLength; i < length; i += maxChunk, j++) {
-								let subPackage = buffer.slice(i, i + maxChunk <= length ? (i + maxChunk) : length);
-								setTimeout(that._writeBLECharacteristicValue, j * delay, subPackage);
-							}
-							
-						})
-						return;
-					}
 				}
+				console.log('查看数据是否正确',that.bufferData)
+				that.$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'),
@@ -314,101 +297,14 @@
 					},
 					fail(res) {
 						console.log('writeBLECharacteristicValue fail', res)
+						if(uni.getStorageSync('deviceId')){
+							console.log("111")
+							that.xierushuju()
+						}else{
+							that.jiantingshebei()
+						}
 					}
 				})
-			},
-			
-			
-			
-			onGetDevice(res) {
-				this.devicesList = res;
-			},
-			handleSearchClose() {
-				this.isShowSearch = false
-			},
-			handleSRRIChange(e) {
-				this.filterRSSI = e.detail.value
-			},
-			//开始搜索设备
-			searchBtnTap() {
-				blesdk.startBluetoothDevicesDiscovery();
-				this.isSearching = true;
-				blesdk.onfindBlueDevices(this.onGetDevice)
-			},
-			//停止搜索设备
-			stopSearchBtnTap() {
-				blesdk.stopBlueDevicesDiscovery();
-				this.isSearching = false;
-			},
-			//点击连接设备
-			handleConnectDevice(device) {
-
-				let deviceId = device.deviceId;
-				let name = device.name;
-				this.deviceId = deviceId;
-				uni.setStorageSync('deviceId', deviceId);
-				uni.onBLEConnectionStateChange(function(res) {
-					if (res.connected) {
-
-						// plus.nativeUI.toast('设备'+ res.deviceId + '已连接',{
-						// 	verticalAlign:'center'
-						// })
-					} else {
-						// plus.nativeUI.toast('设备'+ res.deviceId + '已断开连接',{
-						// 	verticalAlign:'center'
-						// })
-					}
-				})
-				blesdk.createBLEConnection(deviceId, this.onConnectSuccess, this.onConnectFail);
-				this.devicesList == []
-			},
-			onConnectSuccess(res) {
-				this.stopSearchBtnTap()
-				uni.setStorageSync('ok', true)
-				blesdk.getBLEDeviceServices(this.deviceId, this.onGetServicesSuccess, this.onGetServicesFail);
-			},
-			onConnectFail(err) {
-				blesdk.closeBLEConnection(uni.getStorageSync('deviceId'));
-				this.isShowSearch = true
-				uni.removeStorageSync('deviceId')
-				uni.removeStorageSync('serviceId')
-				uni.removeStorageSync('writeId')
-				uni.removeStorageSync('readId')
-				// uni.
-			},
-			onGetServicesSuccess(res) {
-				this.services = res.serviceId;
-
-				blesdk.getDeviceCharacteristics(uni.getStorageSync('deviceId') ? uni.getStorageSync('deviceId') : this
-					.deviceId, uni.getStorageSync('services') ? uni.getStorageSync('services') : this.services, this
-					.onGetCharacterSuccess, this.onGetCharacterFail);
-			},
-			onGetServicesFail(err) {},
-			onGetCharacterSuccess(res) {
-				this.serviceId = res.serviceId;
-				this.writeId = res.writeId;
-				this.readId = res.readId;
-				uni.setStorageSync('serviceId', res.serviceId)
-				uni.setStorageSync('writeId', res.writeId)
-				uni.setStorageSync('readId', res.readId)
-				this.isShowSearch = false;
-				this.handlePrintTap()
-			},
-			onGetCharacterFail(err) {
-
-			},
-			onPrintSuccess() {
-				console.log("打印完成22222")
-				this.isPrinting = false;
-				this.$u.route('/pages/toll/toll', {
-					roomcode: this.roomcode,
-					CustName: this.CustName,
-					id: this.roomid
-				})
-				this.$emit('onPrintSuccess')
-			},
-			onPrintFail() {
-				this.isPrinting = false;
 			}
 		}
 	}