wx.saveFile只能保存文件到http://store/下吗？能否指定其到手机的自己指定物理路径下，如果不能有其它方法可以保存吗？图片可以用wx.saveImageToPhotosAlbum保存到相册，但是其它文件，比如word文档呢？
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- Benchmark Commission Ratio (Non-Personal Principal Store): Mini Program/Development/Capabilities/Commercial capabilities/Mini Program alliance/Benchmark Commission Ratio (Non-Personal Principal Store)
- Register a Mini Store account: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Shop interface/Register a Mini Store account
- Benchmark Commission Ratio (Non-Personal Main Shop): Mini Program/Development/Capabilities/Commercial capabilities/Mini Program alliance/Benchmark Commission Ratio (Non-Personal Principal Store)
- Interface call request specification: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Shop interface/Register a Mini Store account
- Request Parameter Dxplaination: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Standard Trading Components and Open Interfaces/Server interface/Shop interface/Register a Mini Store account
我没有表示清楚，意思是能否保存到物理路径下，让其永久保存
会返回savedFilePath，这个是根据你手机系统来的，这个是一个具体的值 fs.saveFile({ tempFilePath: '', // 传入一个本地临时文件路径 success(res) { console.log(res.savedFilePath) // res.savedFilePath 为一个本地缓存文件路径 } })