<!-- <template>
	<view>
		         <p><input id="bt1" type="button" value="搜索设备" onclick="searchDevices('a')"></p>  
		         <view>  
		             未配对蓝牙设备  
		             <ul id="list1">  
		 
		             </ul>  
		         </view>  
		         <view>  
		             已配对蓝牙设备  
		 
		             <ul id="list2">  
		 
		             </ul>  
		         </view>  
	</view>
</template>

<script>
	export default {
		data() {
			return {
				vehicleId:"",
				matId:"",
				he:[],
				cheng:false
			}
		},
		methods: {
			function searchDevices(address) {  
			    //注册类  
			    var main = plus.android.runtimeMainActivity();  
			    var IntentFilter = plus.android.importClass('android.content.IntentFilter');  
			    var BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter");  
			    var BluetoothDevice = plus.android.importClass("android.bluetooth.BluetoothDevice");  
			    var BAdapter = BluetoothAdapter.getDefaultAdapter();  
			    console.log("开始搜索设备");  
			    var filter = new IntentFilter();  
			    var bdevice = new BluetoothDevice();  
			    var on = null;  
			    var un = null;  
			    var vlist1 = document.getElementById('list1'); //注册容器用来显示未配对设备  
			    vlist1.innerHTML = ''; //清空容器  
			    var vlist2 = document.getElementById('list2'); //注册容器用来显示未配对设备  
			    vlist2.innerHTML = ''; //清空容器  
			    var button1 = document.getElementById('bt1');  
			    button1.disabled=true;  
			    button1.value='正在搜索请稍候';  
			    BAdapter.startDiscovery(); //开启搜索  
			    var receiver;  
			    receiver = plus.android.implements('io.dcloud.android.content.BroadcastReceiver', {  
			        onReceive: function(context, intent) { //实现onReceiver回调函数  
			            plus.android.importClass(intent); //通过intent实例引入intent类，方便以后的‘.’操作  
			            console.log(intent.getAction()); //获取action  
			            if(intent.getAction() == "android.bluetooth.adapter.action.DISCOVERY_FINISHED"){  
			                main.unregisterReceiver(receiver);//取消监听  
			                button1.disabled=false;  
			                button1.value='搜索设备';  
			                console.log("搜索结束")  
			            }else{  
			            BleDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);  
			            //判断是否配对  
			            if (BleDevice.getBondState() == bdevice.BOND_NONE) {  
			                console.log("未配对蓝牙设备：" + BleDevice.getName() + '    ' + BleDevice.getAddress());  
			                //参数如果跟取得的mac地址一样就配对  
			                if (address == BleDevice.getAddress()) {  
			                    if (BleDevice.createBond()) { //配对命令.createBond()  
			                        console.log("配对成功");  
			                        var li2 = document.createElement('li'); //注册  
			                        li2.setAttribute('id', BleDevice.getAddress()); //打印机mac地址  
			                        li2.setAttribute('onclick', 'print(id)'); //注册click点击列表进行打印  
			                        li2.innerText = BleDevice.getName();  
			                        vlist2.appendChild(li2);  
			                    }  
			
			                } else {  
			                    if(BleDevice.getName() != on ){ //判断防止重复添加  
			                    var li1 = document.createElement('li'); //注册  
			                    li1.setAttribute('id', BleDevice.getAddress()); //打印机mac地址  
			                    li1.setAttribute('onclick', 'searchDevices(id)'); //注册click点击列表进行配对  
			                    on = BleDevice.getName();  
			                    li1.innerText = on;  
			                    vlist1.appendChild(li1);  
			
			                    }  
			
			                }  
			            } else {  
			                if(BleDevice.getName() != un ){ //判断防止重复添加  
			                console.log("已配对蓝牙设备：" + BleDevice.getName() + '    ' + BleDevice.getAddress());  
			                var li2 = document.createElement('li'); //注册  
			                li2.setAttribute('id', BleDevice.getAddress()); //打印机mac地址  
			                li2.setAttribute('onclick', 'print(id)'); //注册click点击列表进行打印  
			                un = BleDevice.getName();                 
			                li2.innerText = un;  
			                vlist2.appendChild(li2);}  
			            }}  
			
			        }  
			    });  
			
			    filter.addAction(bdevice.ACTION_FOUND);  
			    filter.addAction(BAdapter.ACTION_DISCOVERY_STARTED);  
			    filter.addAction(BAdapter.ACTION_DISCOVERY_FINISHED);  
			    filter.addAction(BAdapter.ACTION_STATE_CHANGED);  
			
			    main.registerReceiver(receiver, filter); //注册监听  
			}  
			
			var device = null,  
			    BAdapter = null,  
			    BluetoothAdapter = null,  
			    uuid = null,  
			    main = null,  
			    bluetoothSocket = null;  
			
			function print(mac_address) {  
			    if (!mac_address) {  
			        mui.toast('请选择蓝牙打印机');  
			        return;  
			    }  
			
			    main = plus.android.runtimeMainActivity();  
			    BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter");  
			    UUID = plus.android.importClass("java.util.UUID");  
			    uuid = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");  
			    BAdapter = BluetoothAdapter.getDefaultAdapter();  
			    device = BAdapter.getRemoteDevice(mac_address);  
			    plus.android.importClass(device);  
			    bluetoothSocket = device.createInsecureRfcommSocketToServiceRecord(uuid);  
			    plus.android.importClass(bluetoothSocket);  
			
			    if (!bluetoothSocket.isConnected()) {  
			        console.log('检测到设备未连接，尝试连接....');  
			        bluetoothSocket.connect();  
			    }  
			
			    console.log('设备已连接');  
			
			    if (bluetoothSocket.isConnected()) {  
			        var outputStream = bluetoothSocket.getOutputStream();  
			        plus.android.importClass(outputStream);  
			        var string = "打印测试\r\n";  
			        var bytes = plus.android.invoke(string, 'getBytes', 'gbk');  
			        outputStream.write(bytes);  
			        outputStream.flush();  
			        device = null //这里关键  
			        bluetoothSocket.close(); //必须关闭蓝牙连接否则意外断开的话打印错误  
			
			    }  
			
			}
		}	
	}
</script>

<style>
</style>
 -->