需要做一个图片和简历上传的功能，但是没有找到文件上传的组件所以来问问大家！是不是需要自己单独实现，还是说官方有文件上传的微信小程序组件自己加上逻辑？
相关文档
- upload SDK Run log: Mini Program/Development/Extended/Operating Guide/About packaging/Upload SDK running log
- Android Upload Log Steps: Mini Program/Development/Extended/Operating Guide/About packaging/Upload SDK running log
- iOS Upload Log Steps: Mini Program/Development/Extended/Operating Guide/About packaging/Upload SDK running log
- call API Custom Upload Entry: Mini Program/Development/Extended/Operating Guide/About packaging/Upload SDK running log
- Upload pictures: 小商店/Development/Extended/Trading component/Standard Trading Components and Open Interfaces/Server interface/Shop interface/Upload pictures
样式自己写，然后点击调相应API（wx.chooseMedia、wx.chooseMessageFile）选择文件，再调wx.uploadFile 上传文件
https://developers.weixin.qq.com/miniprogram/dev/api/media/video/wx.chooseMedia.html
https://developers.weixin.qq.com/miniprogram/dev/api/media/image/wx.chooseMessageFile.html
https://developers.weixin.qq.com/miniprogram/dev/api/network/upload/wx.uploadFile.html