更新记录

1.0.6（2025-06-04）

修复安卓端需要配对时,未等待配对直接报配对失败的问题

1.0.5（2025-05-07）

移除无效代码

1.0.4（2025-05-06）

修复取消配对后自动再次发起配对的问题

平台兼容性

uni-app

uni-app x

bluetooth-spp

<template>
    <view class="container">
            <button @click="scan">开始扫描</button>
            <button @click="stopScan">停止扫描</button>
            <button @click="connect" :disabled="!selectedDeviceId">连接</button>
            <button @click="disconnect" :disabled="!isConnected">断开连接</button>
            <button @click="writeData" :disabled="!isConnected">发送数据</button>
            <view>
                    <text>连接状态: {{ connectionStatus }}</text>
            </view>
            <view>
                    <text>收到的数据: {{ receivedData }}</text>
            </view>
            <view>
                    <text>找到的设备:</text>
                    <view style="padding: 10px; border-bottom: 1px solid #ccc;" v-for="device in foundDevices" :key="device.address" @click="selectDevice(device.address)">
                            <text>{{ device.name }} - {{ device.address }}</text>
                    </view>
            </view>
    </view>
</template>

<script>
import { 
    connect,
    disconnect,
    onDeviceFound,
    onDeviceConnectionStateChange,
    onDataReceived,
    scan,
    stopScan,
    writeData,
    initAdapter,
} from '../../uni_modules/bluetooth-spp';
export default {
    data() {
        return {
            foundDevices: [],
            selectedDeviceId: '',
            isConnected: false,
            connectionStatus: '未连接',
            receivedData: '',
        };
    },
    onLoad() {
        this.initAdapter();
                this.onDeviceFound();
                this.onDeviceConnectionStateChange();
                this.onDataReceived();
    },
    methods: {
        initAdapter() {
                    initAdapter({
                            success: () => {
                                    console.log('蓝牙适配器初始化成功');
                            },
                            fail: (err) => {
                                    console.error('蓝牙适配器初始化失败', err);
                            },
                            fail: null,
                    });
        },
        startBluetoothDevicesDiscovery() {
                    scan({
                        success: () => {
                                console.log('开始扫描蓝牙设备');
                        },
                        fail: (err) => {
                                console.error('开始扫描失败', err);
                        }
                    })
        },
        scan() {
            this.startBluetoothDevicesDiscovery();
        },
        stopScan() {
            stopScan({
                success: () => {
                    console.log('停止扫描蓝牙设备');
                },
                fail: (err) => {
                    console.error('停止扫描失败', err);
                }
            });
        },
        connect() {
            if (this.selectedDeviceId) {
                connect({
                    address: this.selectedDeviceId,
                    success: () => {
                        console.log('连接成功');
                        this.isConnected = true;
                        this.connectionStatus = '已连接';
                    },
                    fail: (err) => {
                        console.error('连接失败', err);
                        this.isConnected = false;
                        this.connectionStatus = '连接失败';
                    }
                });
            }
        },
        disconnect() {
            if (this.selectedDeviceId) {
                disconnect({
                    address: this.selectedDeviceId,
                    success: () => {
                        console.log('断开连接成功');
                        this.isConnected = false;
                        this.connectionStatus = '未连接';
                    },
                    fail: (err) => {
                        console.error('断开连接失败', err);
                    }
                });
            }
        },
        onDeviceFound() {
                        onDeviceFound((res) => {
                const newDevices = res.devices.filter((device) => {
                    return !this.foundDevices.some((d) => d.address === device.address);
                });
                this.foundDevices = [...this.foundDevices, ...newDevices];
            });
        },
        onDeviceConnectionStateChange() {
                    onDeviceConnectionStateChange((res) => {
                        console.log(res.address, res.state);
                        this.isConnected = res.state;
                        this.connectionStatus = res.state? '已连接' : '未连接';
                    });
        },
        onDataReceived() {
                    onDataReceived((res) => {
                        console.log(res);
                        this.receivedData = res;
                    });
        },
        selectDevice(deviceId) {
            this.selectedDeviceId = deviceId;
        },
        writeData() {
                    // tsc '1B213F'  esc '100402';
                    writeData({
                        address: this.selectedDeviceId,
                        type: 'hex',
                        data: '100402',
                        success: () => {
                                console.log('数据发送成功');
                        },
                        fail: (err) => {
                                console.error('数据发送失败', err);
                        }
                    });
        }
    }
};

</script>

<style lang="scss" scoped>
  .container {
      padding: 20px;
  }

  button {
      margin: 10px;
  }
</style>