Struct FileDownloader 

pub struct FileDownloader { /* private fields */ }

文件下载器

Implementations

impl FileDownloader

pub fn new(config: DownloaderConfig) -> Self

创建新的文件下载器

pub fn new_with_custom_client( config: DownloaderConfig, custom_client: Client, ) -> Self

创建支持自定义HTTP客户端的下载器（用于认证场景）⭐

pub fn default() -> Self

创建默认配置的下载器

pub fn is_aliyun_oss_url(&self, url: &str) -> bool

检查 URL 是否为阿里云 OSS 链接

pub fn is_object_storage_or_cdn_url(&self, url: &str) -> bool

检查 URL 是否为对象存储或CDN服务 ⭐

pub fn get_downloader_type(&self, url: &str) -> DownloaderType

判断下载器类型

pub async fn download_file<F>( &self, url: &str, download_path: &Path, progress_callback: Option<F>, ) -> Result<()>

where F: Fn(DownloadProgress) + Send + Sync + 'static,

下载文件（支持断点续传）⭐

pub async fn download_file_with_options<F>( &self, url: &str, download_path: &Path, progress_callback: Option<F>, expected_hash: Option<&str>, version: Option<&str>, ) -> Result<()>

where F: Fn(DownloadProgress) + Send + Sync + 'static,

下载文件（带额外选项）⭐

pub async fn calculate_file_hash(file_path: &Path) -> Result<String>

计算文件的SHA256哈希值

pub async fn verify_file_integrity( file_path: &Path, expected_hash: &str, ) -> Result<bool>

验证文件完整性