wxmini/utils/permissionUtil.js

module.exports = {
  openBluetoothAdapter: openBluetoothAdapter,
}

// 打开蓝牙权限
function openBluetoothAdapter() {
  return new Promise((resolve, reject) => {
    wx.openBluetoothAdapter({
      success: function (res) {
        resolve(true);
      },
      fail: function (res) {
        if (res.errno == 103) {
          wx.showModal({
            title: '提示',
            content: '需要您的蓝牙权限才能使用此功能，是否前往设置授权？',
            showCancel: true,
            success: (modalRes) => {
              if (modalRes.confirm) {
                wx.openSetting({
                  success: (settingRes) => {
                    resolve(settingRes.authSetting['scope.bluetooth'] ? true : false);
                  }
                });
              } else if (modalRes.cancel) {
                resolve(false);
              }
            }
          });
        } else {
          resolve(false);
        }
      }
    })
  });
}