🧹 chore: 修复examples中的clippy警告

- 修复未使用变量警告（添加下划线前缀）
- 移除未使用的导入
- 删除死代码和未使用的结构体
- 修复不必要的return语句
- 优化数组声明（vec\![] -> []）
- 添加#[allow(dead_code)]注解

所有clippy警告已清理，代码质量提升

Author: foxzool

examples/api/data_processing_with_enhanced_builder.rs

@@ -12,7 +12,6 @@
 
 use chrono::{DateTime, Duration, Utc};
 use open_lark::prelude::*;
-use std::collections::HashMap;
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -23,7 +22,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let app_secret = std::env::var("APP_SECRET").expect("请设置 APP_SECRET 环境变量");
 
     // 创建Lark客户端
-    let client = LarkClient::builder(&app_id, &app_secret)
+    let _client = LarkClient::builder(&app_id, &app_secret)
         .with_app_type(AppType::SelfBuild)
         .with_enable_token_cache(true)
         .build();
@@ -46,8 +45,8 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     println!("{}", "-".repeat(60));
 
     // 假设已有 spreadsheet_token 和 sheet_id
-    let spreadsheet_token = "mock_spreadsheet_token";
-    let sheet_id = "mock_sheet_id";
+    let _spreadsheet_token = "mock_spreadsheet_token";
+    let _sheet_id = "mock_sheet_id";
 
     // 1.1 批量写入数据
     println!("\n📝 批量写入销售数据:");
@@ -362,9 +361,9 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 // 辅助函数：生成示例销售数据
 fn generate_sample_sales_data() -> Vec<SalesRecord> {
     let mut records = Vec::new();
-    let sales_people = vec!["张三", "李四", "王五", "赵六", "陈七"];
-    let products = vec!["软件许可", "技术支持", "培训服务", "定制开发", "云服务"];
-    let statuses = vec!["待确认", "已确认", "已发货", "已完成"];
+    let sales_people = ["张三", "李四", "王五", "赵六", "陈七"];
+    let products = ["软件许可", "技术支持", "培训服务", "定制开发", "云服务"];
+    let statuses = ["待确认", "已确认", "已发货", "已完成"];
 
     let mut rng = rand::thread_rng();
     use rand::Rng;
@@ -394,6 +393,7 @@ fn generate_sample_sales_data() -> Vec<SalesRecord> {
 }
 
 #[derive(Debug, Clone)]
+#[allow(dead_code)]
 struct SalesRecord {
     id: String,
     date: DateTime<Utc>,
@@ -406,11 +406,13 @@ struct SalesRecord {
 }
 
 // 模拟的辅助函数
+#[allow(dead_code)]
 fn generate_sales_chart(_data: &[SalesRecord]) -> Vec<u8> {
     // 实际实现中，这里会生成真实的图表图片
     vec![0u8; 1024] // 模拟图片数据
 }
 
+#[allow(dead_code)]
 fn build_sales_report_card(_analysis: &()) -> serde_json::Value {
     // 实际实现中，这里会构建真实的报告卡片
     serde_json::json!({

examples/api/drive_builder_execute_demo.rs

@@ -11,14 +11,14 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let app_secret = env::var("APP_SECRET").expect("APP_SECRET not found in environment");
 
     // 初始化客户端
-    let client = LarkClient::builder(&app_id, &app_secret).build();
+    let _client = LarkClient::builder(&app_id, &app_secret).build();
 
     // 演示使用Builder模式的execute方法
     println!("🚀 演示Drive服务Builder的execute方法");
 
     // 1. 演示媒体文件上传请求构建
     println!("\n📁 构建媒体文件上传请求...");
-    let upload_request =
+    let _upload_request =
         open_lark::service::cloud_docs::drive::v1::media::UploadMediaRequest::builder()
             .file_name("test.jpg")
             .parent_token("your_parent_token")
@@ -40,7 +40,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     // 2. 演示权限设置请求构建
     println!("\n🔐 构建权限设置请求...");
-    let permission_request =
+    let _permission_request =
         open_lark::service::cloud_docs::drive::v1::permissions::GetPermissionRequest::builder()
             .token("your_file_token")
             .r#type("doc")
@@ -50,7 +50,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     // 3. 演示文件夹创建请求构建
     println!("\n📂 构建文件夹创建请求...");
-    let folder_request =
+    let _folder_request =
         open_lark::service::cloud_docs::drive::v2::explorer::CreateFolderRequest::builder()
             .name("新建文件夹")
             .folder_token("parent_folder_token")
@@ -60,7 +60,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     // 4. 演示文件夹列表请求构建
     println!("\n📋 构建文件夹列表请求...");
-    let list_request =
+    let _list_request =
         open_lark::service::cloud_docs::drive::v2::explorer::ListFolderRequest::builder()
             .folder_token("folder_token")
             .page_size(50)

examples/api/enterprise_scenario_with_enhanced_builder.rs

@@ -11,7 +11,6 @@
 // APP_SECRET=your_app_secret
 
 use open_lark::prelude::*;
-use std::collections::HashMap;
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -22,7 +21,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let app_secret = std::env::var("APP_SECRET").expect("请设置 APP_SECRET 环境变量");
 
     // 创建Lark客户端
-    let client = LarkClient::builder(&app_id, &app_secret)
+    let _client = LarkClient::builder(&app_id, &app_secret)
         .with_app_type(AppType::SelfBuild)
         .with_enable_token_cache(true)
         .build();
@@ -293,195 +292,12 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     Ok(())
 }
 
-// 辅助函数：创建卡片消息构建器
-struct CardMessageBuilder {
-    config: Option<Config>,
-    header: Option<Header>,
-    elements: Vec<serde_json::Value>,
-}
-
-impl CardMessageBuilder {
-    fn new() -> Self {
-        Self {
-            config: None,
-            header: None,
-            elements: Vec::new(),
-        }
-    }
-
-    fn config(mut self, config: Config) -> Self {
-        self.config = Some(config);
-        self
-    }
-
-    fn header(mut self, header: Header) -> Self {
-        self.header = Some(header);
-        self
-    }
-
-    fn element(mut self, element: impl serde::Serialize) -> Self {
-        if let Ok(json) = serde_json::to_value(element) {
-            self.elements.push(json);
-        }
-        self
-    }
-
-    fn build(self) -> serde_json::Value {
-        let mut card = serde_json::json!({});
-
-        if let Some(config) = self.config {
-            card["config"] = serde_json::to_value(config).unwrap();
-        }
-
-        if let Some(header) = self.header {
-            card["header"] = serde_json::to_value(header).unwrap();
-        }
-
-        if !self.elements.is_empty() {
-            card["elements"] = serde_json::Value::Array(self.elements);
-        }
-
-        serde_json::json!({ "card": card })
-    }
-}
-
-#[derive(serde::Serialize)]
-struct Config {
-    wide_screen_mode: bool,
-    enable_forward: bool,
-}
-
-impl Config {
-    fn new(wide_screen_mode: bool, enable_forward: bool) -> Self {
-        Self {
-            wide_screen_mode,
-            enable_forward,
-        }
-    }
-}
-
-#[derive(serde::Serialize)]
-struct Header {
-    title: PlainText,
-    template: Option<TemplateColor>,
-}
-
-impl Header {
-    fn new(title: impl ToString) -> Self {
-        Self {
-            title: PlainText {
-                tag: "plain_text".to_string(),
-                content: title.to_string(),
-            },
-            template: None,
-        }
-    }
-
-    fn template(mut self, color: TemplateColor) -> Self {
-        self.template = Some(color);
-        self
-    }
-}
-
-#[derive(serde::Serialize)]
-struct PlainText {
-    tag: String,
-    content: String,
-}
-
-#[derive(serde::Serialize)]
-#[serde(rename_all = "lowercase")]
-enum TemplateColor {
-    Blue,
-    Wathet,
-    Turquoise,
-    Green,
-    Yellow,
-    Orange,
-    Red,
-    Carmine,
-    Violet,
-    Purple,
-    Indigo,
-    Grey,
-}
-
-#[derive(serde::Serialize)]
-struct DivElement {
-    tag: String,
-    text: Option<PlainText>,
-    extra: Option<Button>,
-}
-
-impl DivElement {
-    fn new() -> Self {
-        Self {
-            tag: "div".to_string(),
-            text: None,
-            extra: None,
-        }
-    }
-
-    fn text(mut self, content: impl ToString) -> Self {
-        self.text = Some(PlainText {
-            tag: "plain_text".to_string(),
-            content: content.to_string(),
-        });
-        self
-    }
-
-    fn extra(mut self, button: Button) -> Self {
-        self.extra = Some(button);
-        self
-    }
-}
-
-#[derive(serde::Serialize)]
-struct Button {
-    tag: String,
-    text: PlainText,
-    url: Option<String>,
-    #[serde(rename = "type")]
-    type_: Option<ButtonType>,
-}
-
-impl Button {
-    fn new(text: impl ToString) -> Self {
-        Self {
-            tag: "button".to_string(),
-            text: PlainText {
-                tag: "plain_text".to_string(),
-                content: text.to_string(),
-            },
-            url: None,
-            type_: None,
-        }
-    }
-
-    fn url(mut self, url: impl ToString) -> Self {
-        self.url = Some(url.to_string());
-        self
-    }
-
-    fn type_(mut self, button_type: ButtonType) -> Self {
-        self.type_ = Some(button_type);
-        self
-    }
-}
-
-#[derive(serde::Serialize)]
-#[serde(rename_all = "lowercase")]
-enum ButtonType {
-    Default,
-    Primary,
-    Danger,
-}
-
 // 模拟权限枚举（实际会从SDK导入）
 #[derive(Debug, Clone, Copy)]
 enum Permission {
     FullAccess,
     Edit,
     Comment,
+    #[allow(dead_code)]
     View,
 }

examples/api/multi_service_integration_enhanced.rs

@@ -21,7 +21,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let app_secret = std::env::var("APP_SECRET").expect("请设置 APP_SECRET 环境变量");
 
     // 创建Lark客户端
-    let client = LarkClient::builder(&app_id, &app_secret)
+    let _client = LarkClient::builder(&app_id, &app_secret)
         .with_app_type(AppType::SelfBuild)
         .with_enable_token_cache(true)
         .build();
@@ -535,6 +535,7 @@ struct TeamMember {
     user_id: String,
     role: String,
     name: String,
+    #[allow(dead_code)]
     email: String,
 }
 

examples/api/simple_error_demo.rs

@@ -15,9 +15,8 @@ use tokio::time::sleep;
 
 use open_lark::core::{
     error::LarkAPIError,
-    error_codes::LarkErrorCode,
-    error_helper::{ErrorContext, ErrorHelper},
-    error_logger::{ErrorLogger, LogLevel, LoggerBuilder},
+    error_helper::ErrorHelper,
+    error_logger::{LogLevel, LoggerBuilder},
     error_metrics::{ErrorMonitor, MonitorConfig},
 };
 

examples/core/create_sheet.rs

@@ -407,8 +407,8 @@ fn format_cell_value(value: &serde_json::Value) -> String {
 /// 演示更复杂的表格操作（供参考）
 #[allow(dead_code)]
 async fn advanced_spreadsheet_operations(
-    client: &LarkClient,
-    spreadsheet_token: &str,
+    _client: &LarkClient,
+    _spreadsheet_token: &str,
 ) -> Result<(), Box<dyn std::error::Error>> {
     println!("\n🔧 高级表格操作演示...");
 

examples/core/download_file.rs

@@ -97,14 +97,14 @@ async fn get_target_file(client: &LarkClient) -> Result<String, Box<dyn std::err
                 // 选择第一个文件进行演示
                 let first_file = downloadable_files[0];
                 println!("🎯 自动选择第一个文件进行下载演示: {}", first_file.name);
-                return Ok(first_file.token.clone());
+                Ok(first_file.token.clone())
             } else {
-                return Err("无法获取文件列表".into());
+                Err("无法获取文件列表".into())
             }
         }
         Err(e) => {
             println!("❌ 获取文件列表失败: {:?}", e);
-            return Err("请通过 FILE_TOKEN 环境变量指定要下载的文件".into());
+            Err("请通过 FILE_TOKEN 环境变量指定要下载的文件".into())
         }
     }
 }

examples/core/list_folder.rs

@@ -60,12 +60,12 @@ async fn get_target_folder(client: &LarkClient) -> Result<String, Box<dyn std::e
                 println!("✅ 根文件夹获取成功: {}", data.token);
                 Ok(data.token.clone())
             } else {
-                return Err("无法获取根文件夹信息".into());
+                Err("无法获取根文件夹信息".into())
             }
         }
         Err(e) => {
             println!("❌ 获取根文件夹失败: {:?}", e);
-            return Err(e.into());
+            Err(e.into())
         }
     }
 }