106 lines
4.2 KiB
Rust
106 lines
4.2 KiB
Rust
//! 基本使用示例
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use oss_client::{OssConfig, PrivateOssClient, format_file_size, generate_random_filename};
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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println!("=== Basic usage examples of OSS client ===\\n");
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// 显示库信息
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println!("Library name: {}", oss_client::name());
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println!("Version: {}", oss_client::version());
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println!("Description: {}\\n", oss_client::description());
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// 方式1：从环境变量创建客户端（推荐）
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println!("1. Try creating a client from environment variables...");
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let oss_config = oss_client::OssConfig::new(
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oss_client::defaults::ENDPOINT.to_string(),
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oss_client::defaults::PUBLIC_BUCKET.to_string(),
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"demo_access_key_id".to_string(),
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"demo_access_key_secret".to_string(),
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oss_client::defaults::REGION.to_string(),
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oss_client::defaults::UPLOAD_DIRECTORY.to_string(),
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);
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let client = PrivateOssClient::new(oss_config);
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match client {
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Ok(client) => {
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println!("✓ Successful creation of client from environment variables");
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println!("Base URL: {}", client.get_base_url());
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// 演示工具函数
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demonstrate_utilities(&client)?;
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// 注意：实际的文件操作需要有效的OSS凭证
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println!(
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"\\nNote: To perform actual file operations, set the following environment variables:"
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);
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println!(" export OSS_ACCESS_KEY_ID=\"your_access_key_id\"");
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println!(" export OSS_ACCESS_KEY_SECRET=\"your_access_key_secret\"");
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}
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Err(e) => {
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println!("✗ Failed to create client from environment variable: {e}");
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println!(
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"Please set the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables"
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);
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// 方式2：手动创建配置（演示用）
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println!("\\n2. Create a client using the sample configuration...");
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let config = OssConfig::new(
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oss_client::defaults::ENDPOINT.to_string(),
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oss_client::defaults::PUBLIC_BUCKET.to_string(),
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"demo_access_key_id".to_string(),
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"demo_access_key_secret".to_string(),
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oss_client::defaults::REGION.to_string(),
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oss_client::defaults::UPLOAD_DIRECTORY.to_string(),
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);
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let client = PrivateOssClient::new(config)?;
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println!("✓ Successful creation of client using sample configuration");
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println!("Base URL: {}", client.get_base_url());
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// 演示工具函数
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demonstrate_utilities(&client)?;
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}
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}
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Ok(())
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}
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fn demonstrate_utilities(client: &PrivateOssClient) -> Result<(), Box<dyn std::error::Error>> {
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println!("\\n=== Tool function demonstration ===");
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// 文件名处理
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let random_filename = generate_random_filename(Some("txt"));
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println!("Random file name: {random_filename}");
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// 文件大小格式化
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let sizes = vec![1024, 1024 * 1024, 1024 * 1024 * 1024];
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for size in sizes {
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println!("File size {} bytes = {}", size, format_file_size(size));
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}
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// MIME类型检测
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let files = vec!["test.jpg", "document.pdf", "data.xlsx", "video.mp4"];
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for file in files {
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println!(
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"MIME type of file {}: {}",
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file,
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oss_client::detect_mime_type(file)
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);
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}
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// 签名URL生成（演示，不会实际调用OSS）
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println!("\\n=== Signed URL function demonstration ===");
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println!("Note: The following features require valid OSS credentials to work properly");
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// 演示API调用（但不实际执行，因为可能没有有效凭证）
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println!("Available API methods:");
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println!(" - client.upload_file(local_path, object_key)");
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println!(" - client.upload_content(content, object_key, content_type)");
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println!(" - client.download_file(object_key, local_path)");
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println!(" - client.delete_file(object_key)");
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println!(" - client.file_exists(object_key)");
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println!(" - client.generate_upload_url(object_key, expires_in, content_type)");
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println!(" - client.generate_download_url(object_key, expires_in)");
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Ok(())
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}
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