openBluetooth: function () {

const that = this;

wx.openBluetoothAdapter({

success(res) {

console.log("打开蓝牙成功", res);

},

fail(res) {

console.log("打开蓝牙失败", res)

if (res.errCode = "10001") {

wx.showModal({

title: '提示',

content: '检查蓝牙是否开启',

})

}

}

})

wx.getBluetoothAdapterState({

success: function (res) {

console.log("获取蓝牙初始化状态", res)

that.searchNearBluetooth();

},

fail: function (res) {

console.log("获取蓝牙初始化状态失败", res)

}

})

},

searchNearBluetooth: function () {

const that = this;

// 搜索附近蓝牙设备

wx.startBluetoothDevicesDiscovery({

success: function (res) {

console.log("搜索蓝牙设备", res)

wx.showToast({

title: '',

icon: 'loading',

duration: 3000

})

that.foundBluetooth();

},

fail: function (res) {

console.log("搜索失败时", res)

}

})

},

小米9，MIUI11.05,微信版本7.0.10