uu

components/tpx-bluetooth/tpx-bluetooth.vue

@@ -34,7 +34,7 @@
 				<view v-if="curTab == 0">
 					<view class="pb-10">蓝牙设备列表</view>
 					<template v-for="(item, index) in devices">
-						<view @click="handleSelectDeviceId(item)"  v-if="item.name.length>0"
+						<view @click="handleAutoSelectAllData(item)"  v-if="item.name.length>0"
 							:key="index" :class="`list-item ${item.deviceId == deviceId?'list-item-active':''}`"
 						>
 							<u-row justify="between">
@@ -114,13 +114,13 @@ export default {
 	},
 	watch: {
 		deviceId(val){
-			updateBlueSessionInfo()
+			this.updateBlueSessionInfo()
 		},
 		serviceId(val){
-			updateBlueSessionInfo()
+			this.updateBlueSessionInfo()
 		},
 		characteristicId(val){
-			updateBlueSessionInfo()
+			this.updateBlueSessionInfo()
 		}
 	},
 	props:{
@@ -152,28 +152,23 @@ export default {
 		this.stopDiscoveryPrinter()
 		// this.closeBluetoothAdapter()
 	},
-	methods: {
+	methods: { 
 		updateBlueSessionInfo() {
 			let { deviceId, serviceId, characteristicId } = this
 			setSessionBluetoothInfo({ deviceId, serviceId, characteristicId })
 		},
 		// 自动连接历史蓝牙配置
 		async autoConnect() {
-			let conSta = await this.checkConnectStat()
-			// 自动连接
-			if(!conSta) {
-				this.discoveryPrinter()
+			let { characteristicId } = getSessionBluetoothInfo()
+			let conSta = false
+			// 判断是否有历史连接
+			if(characteristicId) {
+				conSta = await this.connect()
 			}
-			return true
-		},
-		
-		// 检查蓝牙 缓存连接状态 【获取不到characteristics说明连接已经过期】
-		async checkConnectStat(){
-			let bl = false
-			try{
-				await this.getBLEDeviceCharacteristics()
-				bl = true
-			}catch(e){
+			// 连接不成功，打开蓝牙配置页面
+			if(!conSta) {
+				this.showConnectPage = true
+				this.discoveryPrinter()
 			}
 			return bl
 		},
@@ -286,10 +281,10 @@ export default {
 							//获取蓝牙设备所有服务(service)。
 							setTimeout(async()=> {
 								await _this.getBLEDeviceServices()
-								resolve()
+								resolve(true)
 							}, 2000)
 						} else {
-							resolve()
+							resolve(false)
 							showToast(`连接设备失败:${e.errMsg}`)
 						}
 					}
@@ -345,6 +340,43 @@ export default {
 				})
 			})
 		},
+		// 根据选择的deviceId自动匹配 serviceId, characteristicId
+		async handleAutoSelectAllData(item) {
+			console.log("============测试==1111111")
+			const _this = this
+			this.deviceId = item.deviceId
+			this.serviceId = ''
+			this.serverList = []
+			this.characteristics = []
+			this.characteristicId = ''
+			await this.connect()
+			if(this.serverList?.length > 0) {
+				for(let i=0; i<_this.serverList?.length; i++) {
+					let _serviceId = _this.serverList[i].uuid
+					let charRes = await new Promise((resolve, reject) => {
+						uni.getBLEDeviceCharacteristics({
+							deviceId: _this.deviceId,
+							serviceId: _serviceId,
+							success:(res)=>{
+								let charItem = res.characteristics.filter(t=> {
+									let { notify, indicate, write } = t.properties || {}
+									return (notify || indicate) && write
+								})[0]
+								resolve(charItem)
+							},
+							fail:(res)=>{
+								resolve()
+							}
+						})
+					})
+					if(charRes) {
+						_this.serviceId = _serviceId
+						_this.characteristicId = charRes.uuid
+						break
+					}
+				}
+			}
+		},
 		getInstance() {
 			return this
 		}