342 lines
12 KiB
JavaScript
342 lines
12 KiB
JavaScript
//搜索蓝牙打印机函数
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var SearchBluetooth = function() {
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/*dom变量定义*/
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var BluetoothBtn = document.getElementById("BluetoothBtn"), //最下边的按钮
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unpairedList = document.getElementById("unpairedList"), //未配对设备列表
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pairedList = document.getElementById("pairedList"), //已配对设备列表
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loadImgHtml = '<img src="images/ring.gif" class="loadImg"/>'; //加载图像HTML
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/*plus变量定义*/
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var main, BluetoothAdapter, BAdapter, IntentFilter, BluetoothDevice, receiver , receiverStart;
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/*其他定义*/
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var isSearchDevices = false, //是否处于搜索状态
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savedBleId = localStorage.getItem("bleId"), //缓存的设备ID
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IntervalObj, //定时器对象
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BleDeviceObjAry = [], //BleDevice对象数组
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debug = true; //调试模式
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return {
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//初始化方法
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Init: function() {
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main = plus.android.runtimeMainActivity(),
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BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter"),
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IntentFilter = plus.android.importClass('android.content.IntentFilter'),
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BluetoothDevice = plus.android.importClass("android.bluetooth.BluetoothDevice"),
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BAdapter = new BluetoothAdapter.getDefaultAdapter();
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this.CheckPermissions();
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},
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CheckPermissions: function() {
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var self = this;
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plus.android.requestPermissions(['android.permission.ACCESS_FINE_LOCATION','android.permission.ACCESS_COARSE_LOCATION',
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'android.permission.BLUETOOTH','android.permission.BLUETOOTH_ADMIN'], function(e){
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if(e.deniedAlways.length>0){ //权限被永久拒绝
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// 弹出提示框解释为何需要定位权限，引导用户打开设置页面开启
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debug && console.log("获取失败，权限被永久拒绝...");
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}
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if(e.deniedPresent.length>0){ //权限被临时拒绝
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// 弹出提示框解释为何需要定位权限，可再次调用plus.android.requestPermissions申请权限
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debug && console.log("获取失败，权限被临时拒绝...");
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}
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if(e.granted.length>0){ //权限被允许
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debug && console.log("获取权限成功，调用搜索...");
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//调用依赖获取权限的代码
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self.CheckBluetoothState();
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self.EventInit();
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}
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}, function(e){
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console.log('Request Permissions error:'+JSON.stringify(e));
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});
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},
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//事件绑定
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EventInit: function() {
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var self = this,
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bdevice = new BluetoothDevice();
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//搜索
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BluetoothBtn.addEventListener("tap", function() {
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if(!isSearchDevices) {
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self.SearchDevices();
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}
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});
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/*未配对列表点击事件*/
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mui("#unpairedList").on("tap", "li", function() {
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var id = this.getAttribute("data-id"),
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state = true;
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self.SetButtonStatus("正在配对...", true);
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for(var i = 0, l = BleDeviceObjAry.length; i < l; i++) {
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var BleDeviceItem = BleDeviceObjAry[i];
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main.unregisterReceiver(receiver); //取消监听
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if(BleDeviceItem.getAddress() === id) {
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BleDeviceItem.createBond();
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self.SetButtonStatus("正在配对...", true);
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var testBondState = setInterval(function() {
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if(BleDeviceItem.getBondState() === bdevice.BOND_BONDED) {
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mui.toast("配对成功");
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self.SetButtonStatus("配对成功正在尝试连接打印机发送数据...", true);
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localStorage.setItem("bleId", id);
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var bleObj = new ConnectPrinter(id);
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bleObj = null;
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window.clearInterval(testBondState);
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} else if(BleDeviceItem.getBondState() === bdevice.BOND_NONE) {
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mui.toast("配对失败");
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window.clearInterval(testBondState);
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self.SetButtonStatus("重新搜索设备", false);
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}
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}, 1000);
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state = false;
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break;
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}
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}
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if(state) {
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mui.toast("配对失败请重新搜索设备");
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self.SetButtonStatus("重新搜索设备", false);
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}
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});
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/*已配对列表点击事件*/
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mui("#pairedList").on("tap", "li", function() {
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var id = this.getAttribute("data-id");
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if(id) {
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self.SetButtonStatus("配对成功正在尝试连接打印机发送数据...", true);
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localStorage.setItem("bleId", id);
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var bleObj = new ConnectPrinter(id);
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bleObj = null;
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}
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});
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},
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//检测蓝牙状态
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CheckBluetoothState: function() {
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var self = this;
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var filter = new IntentFilter();
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receiverStart = plus.android.implements('io.dcloud.android.content.BroadcastReceiver', {
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onReceive: onReceiveStart
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});
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filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
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main.registerReceiver(receiverStart, filter); //注册监听事件
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//监听回调函数
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function onReceiveStart(context, intent) {
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plus.android.importClass(intent); //通过intent实例引入intent类，方便以后的‘.’操作
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var state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE,
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BluetoothAdapter.ERROR)
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if(state === BluetoothAdapter.STATE_ON) {
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debug && console.log("检测到蓝牙开启，准备搜索蓝牙设备...");
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self.SearchDevices();
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}
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}
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if(!BAdapter.isEnabled()) {
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var AlertDialog = plus.android.importClass('android.app.AlertDialog');
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var adb = plus.android.newObject("android.app.AlertDialog$Builder",plus.android.runtimeMainActivity());
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adb.setTitle("蓝牙处于关闭状态，是否打开？");
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var listener = plus.android.implements('android.content.DialogInterface$OnClickListener',{
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onClick:function(dialog,which){
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BAdapter.enable();
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debug && console.log("蓝牙处于关闭状态，正在打开...");
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}
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});
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adb.setPositiveButton("确定",listener);
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adb.setNegativeButton("取消",null);
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adb.setCancelable(false);
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adb.show();
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} else {
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self.SearchDevices();
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debug && console.log("蓝牙处于开启状态，准备搜索蓝牙设备...");
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}
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},
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//搜索设备
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SearchDevices: function() {
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var self = this;
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var arr_mac = [];
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isSearchDevices = true;
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self.SetButtonStatus("正在搜索蓝牙设备...", true);
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debug && console.log("开始搜索蓝牙设备...");
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var filter = new IntentFilter(),
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bdevice = new BluetoothDevice();
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BleDeviceObjAry = []; //清空BleDeviceObjAry
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unpairedList.innerHTML = '';
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pairedList.innerHTML = '';
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BAdapter.startDiscovery(); //开启搜索
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receiver = plus.android.implements('io.dcloud.android.content.BroadcastReceiver', {
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onReceive: onReceiveFn
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});
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filter.addAction(bdevice.ACTION_FOUND);
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filter.addAction(BAdapter.ACTION_DISCOVERY_STARTED);
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filter.addAction(BAdapter.ACTION_DISCOVERY_FINISHED);
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filter.addAction(BAdapter.ACTION_STATE_CHANGED);
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main.registerReceiver(receiver, filter); //注册监听事件
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//监听回调函数
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function onReceiveFn(context, intent) {
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plus.android.importClass(intent); //通过intent实例引入intent类，方便以后的‘.’操作
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//开始搜索改变状态
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intent.getAction() === "android.bluetooth.device.action.FOUND" && (isSearchDevices = true);
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//判断是否搜索结束
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if(intent.getAction() === 'android.bluetooth.adapter.action.DISCOVERY_FINISHED') {
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main.unregisterReceiver(receiver); //取消监听
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isSearchDevices = false;
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BleDeviceObjAry = [];
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self.SetButtonStatus("重新搜索设备", false);
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return false;
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}
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var BleDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE),
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bleName = BleDevice.getName(), //设备名称
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bleId = BleDevice.getAddress(); //设备mac地址
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if(!bleName || !bleId) {
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return false;
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}
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if(arr_mac.indexOf(bleId)>= 0){
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return;
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}
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arr_mac.push(bleId);
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//判断是否配对
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if(BleDevice.getBondState() === bdevice.BOND_BONDED) {
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debug && console.log("已配对蓝牙设备：" + bleName + ' ' + bleId);
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self.SetpairedListHtml(pairedList, bleName, bleId);
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//如果缓存保存的设备ID和该ID一致则配对
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if(savedBleId == bleId) {
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BleDevice.createBond();
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}
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} else {
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debug && console.log("未配对蓝牙设备：" + bleName + ' ' + bleId);
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BleDeviceObjAry.push(BleDevice);
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self.SetpairedListHtml(unpairedList, bleName, bleId);
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}
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}
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function isRepeat(arr){
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var hash = {};
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for(var i in arr) {
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if(hash[arr[i]]) //hash 哈希
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return true;
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hash[arr[i]] = true;
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}
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return false;
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}
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},
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//设置设备列表HTML
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SetpairedListHtml: function(parentEl, bleName, bleId) {
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var li = document.createElement('li');
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li.setAttribute("data-id", bleId);
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li.innerHTML = bleName + "<span>" + bleId + "</span>";
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parentEl.appendChild(li);
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},
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//更改按钮状态
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SetButtonStatus: function(tipText, isDisabled) {
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if(isDisabled) {
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BluetoothBtn.innerHTML = loadImgHtml + tipText;
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BluetoothBtn.classList.add("mui-disabled");
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} else {
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BluetoothBtn.innerHTML = tipText;
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BluetoothBtn.classList.remove("mui-disabled");
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}
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}
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}
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}();
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//连接打印机和打印
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function dayin(window) {
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window.ConnectPrinter = function(bleId) {
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var plusMain = plus.android.runtimeMainActivity(),
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BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter"),
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UUID = plus.android.importClass("java.util.UUID"),
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uuid = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"),
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BAdapter = BluetoothAdapter.getDefaultAdapter(),
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device = BAdapter.getRemoteDevice(bleId);
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plus.android.importClass(device);
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var bluetoothSocket = device.createInsecureRfcommSocketToServiceRecord(uuid);
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plus.android.importClass(bluetoothSocket);
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if(!bluetoothSocket.isConnected()) {
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connectStart = bluetoothSocket.connect();
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}
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var outputStream = bluetoothSocket.getOutputStream();
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plus.android.importClass(outputStream);
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var bytes = [0x1b,0x61,0x01];
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outputStream.write(bytes);
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var bytes = [0x1c,0x21,(0x04|0x08)];
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outputStream.write(bytes);
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var bytes = [0x1b,0x21,0x08];
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = plus.android.invoke('华夏银行', 'getBytes', 'gbk');
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = plus.android.invoke('XX支行', 'getBytes', 'gbk');
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = [0x1c,0x21,0x00];
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outputStream.write(bytes);
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var bytes = [0x1b,0x21,0x00];
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = plus.android.invoke('欢迎您的光临', 'getBytes', 'gbk');
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = plus.android.invoke('您的排队号码', 'getBytes', 'gbk');
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = [0x1b,0x21,(0x08|0x20|0x10)];
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outputStream.write(bytes);
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var bytes = plus.android.invoke('1006', 'getBytes', 'gbk');
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = [0x1b,0x21,0x00];
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = plus.android.invoke(' 现有8人在等候，请您到休息厅等候呼叫', 'getBytes', 'gbk');
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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var bytes = plus.android.invoke('2019-9-12 10:15:51', 'getBytes', 'gbk');
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outputStream.write(bytes);
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var bytes = [0x0d,0x0a];
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outputStream.write(bytes);
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outputStream.flush();
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this.closeBtSocket = function() {
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bluetoothSocket.close();
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bluetoothSocket = null;
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device = null;
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};
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};
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}; |