蓝牙打印机对接

components/gprint/BluetoothTool.js

@@ -70,7 +70,7 @@ var blueToothTool = {
 	init(setOptions) {
 		Object.assign(this.options, setOptions);
 		this.state.bluetoothEnable = this.getBluetoothStatus();
-		if(!this.state.bluetoothEnable) shortToast("没有开启蓝牙");
+		if(!this.state.bluetoothEnable) this.shortToast("没有开启蓝牙");
 		this.listenBluetoothStatus();
 	},
 	shortToast(msg) {
@@ -103,12 +103,12 @@ var blueToothTool = {
 	 */
 	turnOnBluetooth() {
 		if(btAdapter == null) {
-			shortToast("没有蓝牙");
+			this.shortToast("没有蓝牙");
 			return;
 		}
 		if(!btAdapter.isEnabled()) {
 			if(activity == null) {
-				shortToast("未获取到activity");
+				this.shortToast("未获取到activity");
 				return;
 			} else {
 				let intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
@@ -117,7 +117,7 @@ var blueToothTool = {
 				return;
 			}
 		} else {
-			shortToast("蓝牙已经打开");
+			this.shortToast("蓝牙已经打开");
 		}
 	},
 	/**
@@ -141,9 +141,9 @@ var blueToothTool = {
 
 		if(btAdapter != null && btAdapter.isEnabled()) {
 			btAdapter.disable();
-			shortToast("蓝牙关闭成功");
+			this.shortToast("蓝牙关闭成功");
 		} else {
-			shortToast("蓝牙已经关闭");
+			this.shortToast("蓝牙已经关闭");
 		}
 	},
 	/**
@@ -158,7 +158,7 @@ var blueToothTool = {
 		if(btAdapter != null && btAdapter.isEnabled()) {
 			pairedDevicesAndroid = btAdapter.getBondedDevices();
 		} else {
-			shortToast("蓝牙未开启");
+			this.shortToast("蓝牙未开启");
 		}
 
 		if(!pairedDevicesAndroid) {
@@ -348,7 +348,50 @@ var blueToothTool = {
 			btSocket = invoke(device, "createRfcommSocketToServiceRecord", MY_UUID);
 		} catch(e) {
 			console.error(e);
-			shortToast("连接失败，获取Socket失败！");
+			this.shortToast("连接失败，获取Socket失败！");
+			callback(false)
+			return false;
+		}
+		try {
+			invoke(btSocket, "connect");
+			this.readData(); //读数据
+			this.shortToast("连接成功");
+			callback(true)
+		} catch(e) {
+			console.error(e);
+			this.shortToast("连接失败");
+			callback(false)
+			try {
+				btSocket.close();
+				btSocket = null;
+			} catch(e1) {
+				console.error(e1);
+			}
+			return false;
+		}
+		return true;
+	},
+
+	/**
+	 * 根据配对连接
+	 * @param {Stirng} address
+	 * @return {Boolean}
+	 */
+	 connPairDevice(device, callback) {
+		let InputStream = plus.android.importClass("java.io.InputStream");
+		let OutputStream = plus.android.importClass("java.io.OutputStream");
+		let BluetoothSocket = plus.android.importClass("android.bluetooth.BluetoothSocket");
+		if(btSocket != null) {
+			this.closeBtSocket();
+		}
+		this.state.readThreadState = false;
+
+		try {
+			console.log('device', device) 
+			btSocket = invoke(device, "createRfcommSocketToServiceRecord", MY_UUID);
+		} catch(e) {
+			console.error(e);
+			this.shortToast("连接失败，获取Socket失败！");
 			callback(false)
 			return false;
 		}
@@ -427,6 +470,7 @@ var blueToothTool = {
 		try {
 			btInStream = invoke(btSocket, "getInputStream");
 			btOutStream = invoke(btSocket, "getOutputStream");
+			console.log('btOutStream', btOutStream)
 		} catch(e) {
 			console.error(e);
 			this.shortToast("创建输入输出流失败！");

store/$u.mixin.js

@@ -48,28 +48,35 @@ module.exports = {
     initBle(){
         //#ifdef APP-PLUS
         // 蓝牙
+        try {
           this.$u.vuex('vuex_printConnect', false);
           bluetoothTool.init({
               listenBTStatusCallback: (state)=> {
                 console.log('listenBTStatusCallback', state);
                 if (state === 'STATE_OFF') {
                   this.$u.vuex('vuex_printConnect', false);
+                  this.$u.toast('未连接蓝牙')
                 }
               },
               discoveryDeviceCallback: this.onDevice,
-            discoveryFinishedCallback: function() {
-                console.log('搜索到的设备', that.devices)
+              discoveryFinishedCallback: () => {
+                  console.log('搜索到的设备', this.devices)
               },
-            readDataCallback: function(dataByteArr) {
+              readDataCallback: (dataByteArr) => {
                   this.$u.vuex('vuex_printConnect', false);
               },
-            connExceptionCallback: function(e) {
+              connExceptionCallback: (e) => {
                   console.log('connExceptionCallback', e);
                   this.$u.vuex('vuex_printConnect', false);
               }
           });
           this.first = true
           this.searchBle()
+        } catch (error) {
+          console.log('error', error)
+        }
+        
+        
         //#endif
     },
     searchBle() {
@@ -79,26 +86,41 @@ module.exports = {
         uni.openBluetoothAdapter({
             success(res) {
                 this.devices = []
-                console.log("打开 蓝牙模块，开始搜索模式...", res)
                 uni.getBluetoothAdapterState({
                   success: function(res) {
                     console.log(res)
                     if (res.available) {
+                      const list = bluetoothTool.getPairedDevices()
+                      const item = list.find(v=>v.name === that.vuex_printerInfo.printerName)
+                      if(item && item.device) {
+                        bluetoothTool.connPairDevice(item.device,(result)=>{
+                          if(result) {
+                            that.$u.vuex('vuex_printConnect', true);
+                          }
+                          console.log('连接结果：',result)
+                        });
+                      }
                       //搜索蓝牙
                       //开始搜寻附近的蓝牙外围设备
                       uni.startBluetoothDevicesDiscovery({
                         success(res) {
-                          console.log('开始搜寻附近的蓝牙外围设备', res)
+                          if (!that.vuex_printConnect) {
                             bluetoothTool.discoveryNewDevice();
                           }
+                        }
                       })
-    
                     } else {
                       console.log('本机蓝牙不可用')
                     }
                   },
+                  fali: () => {
+                    console.log('本机蓝牙不可用')
+                  }
                 })
                 //that.onDevice()
+            },
+            fail: function(msg) {
+              console.log(msg)
             }
         })
     },
@@ -110,7 +132,7 @@ module.exports = {
                 name: newDevice.name,
                 address: newDevice.address
             })
-            if (newDevice.name === 'CT-428D' && newDevice.type === 1 && this.first) {
+            if (newDevice.name === this.vuex_printerInfo.printerName && newDevice.type === 1 && this.first) {
                 this.onConn(newDevice)
                 bluetoothTool.cancelDiscovery()
                 this.first = false