1、获取系统信息 wx.getSystemInfo(Object object)
参考链接:https://developers.weixin.qq.com/miniprogram/dev/api/base/system/wx.getSystemInfo.html
2、获取微信APP授权设置 Object wx.getAppAuthorizeSetting()
参考链接:https://developers.weixin.qq.com/miniprogram/dev/api/base/system/wx.getAppAuthorizeSetting.html
3、发起 HTTPS 网络请求 wx.request(Object object)
参考链接:https://developers.weixin.qq.com/miniprogram/dev/api/network/request/wx.request.html
4、保存图片到系统相册 wx.saveImageToPhotosAlbum(Object object)
参考链接:https://developers.weixin.qq.com/miniprogram/dev/api/media/image/wx.saveImageToPhotosAlbum.html