Interface Improvements #

• Unified progress callback parameters by moving all to OSSRequestParams class
• Added onSendProgress parameter to OSSRequestParams class
• Removed standalone onSendProgress/onProgress parameters from methods
• Updated all network requests to use the unified progress callback approach
• Updated example code to use the new parameter passing approach
• Simplified progress display format

Package Discoverability #

• Improved package metadata for better discoverability on pub.flutter-io.cn
• Updated package description and keywords
• Added proper license references

OSS Signature Improvements #

• Fixed V1 and V4 signature URL generation to ensure compatibility with Alibaba Cloud API
• Added signature version selection feature for all example methods
• Optimized code structure by moving signature URL implementation to separate files
• Added DateFormatter utility class for unified date format handling

• Initial release
• Support for file upload and download
• Support for large file multipart upload
• Support for upload and download progress monitoring
• Support for multipart upload management operations (list, abort, etc.)
• Support for both V1 and V4 signature algorithms