//step(2) 初始化蓝牙适配器


function _initBluetooth() {


    //开启蓝牙适配
    wx.openBluetoothAdapter({
        mode: "central",
        success: function (res) {
            console.log('蓝牙的返回');
            _searchBluetooth()
        },
        fail: function (err) {
            console.log('');
            //在用户蓝牙开关未开启或者手机不支持蓝牙功能的情况下，调用 wx.openBluetoothAdapter 会返回错误（errCode=10001），表示手机蓝牙功能不可
            if (err.errCode == 10001) {
                wx.showModal({
                    title: '蓝牙',
                    content: '请打开蓝牙和手机定位',
                    showCancel: false,
                })
            } else {
                wx.showModal({
                    title: '蓝牙',
                    content: '请打开蓝牙和手机定位',
                    showCancel: false,
                })
            }
        }
    })
    // 同时监听蓝牙适配器的情况
    wx.onBluetoothAdapterStateChange(res => {


    })


}