Load directory initialization file

Author: Jzow

.env

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+APP_ENV=dev

api/Cargo.toml

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+[package]
+name = "api"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+tokio = { version = "1.41.1", features = ["full"] }
+axum = "0.8.0-alpha.1"
+tower = "0.5.1"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+# config
+config = "0.14.1"
+dotenv = "0.15.0"

api/src/config.rs

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+use config::{Config, File};
+use std::env;
+use serde::Deserialize;
+use dotenv::dotenv;
+
+#[derive(Debug, Deserialize)]
+pub struct ServerConfig {
+    pub host: String,
+    pub port: u16,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct DatabaseConfig  {
+    pub url: String,
+    pub pool_size: u32,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct AppConfig {
+    pub server: ServerConfig,
+    pub database: DatabaseConfig,
+}
+
+pub fn load_config() -> AppConfig {
+    // load .env file
+    dotenv().ok();
+    let current_dir = env::current_dir().unwrap();
+    let environment = env::var("APP_ENV").unwrap_or_else(|_| "dev".to_string());
+    println!("Environment: {}", environment);
+
+    let mut config = Config::builder();
+    let config_file = format!("api/src/resources/application-{}.toml", environment);
+    println!("Config file path: {:?}", config_file);
+
+    // load config file from resources
+    config = config.add_source(File::with_name(&config_file));
+    config.build().unwrap().try_deserialize::<AppConfig>().unwrap()
+}

api/src/main.rs

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+mod config;
+
+use axum::{Router, routing};
+use tokio;
+use config::load_config;
+
+/// # Eairp api v2 Application Main function
+/// @author James Zow
+///
+/// @date 2024-12-02
+///
+/// @description
+/// This is the main function of the project, which is used to start the web server.
+///
+#[tokio::main]
+async fn main() {
+    // 加载配置
+    let config = load_config();
+
+    // 初始化应用路由
+    let app = Router::new();
+
+    // 输出服务器启动信息
+    println!("Server is running on http://{}:{}", config.server.host, config.server.port);
+
+    // run server
+    let listener = tokio::net::TcpListener::bind(&format!(
+        "{}:{}", config.server.host, config.server.port))
+        .await
+        .unwrap();
+
+    axum::serve(listener, app).await.unwrap();
+}

api/src/resources/application-dev.toml

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+[server]
+host = "127.0.0.1"
+port = 8080
+
+[database]
+url = "mysql://root:123456@localhost:3306/eairp"
+pool_size = 10

api/src/resources/application-test.toml

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+[package]
+name = "dao"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+tokio = { version = "1.41.1", features = ["full"] }
+serde = { version = "1.0", features = ["derive"] }
+sqlx = { version = "0.8.2", features = ["mysql", "runtime-tokio-native-tls"] }
+serde_json = "1.0"

dao/Cargo.toml

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+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

dao/src/lib.rs

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+[package]
+name = "domain"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

domain/Cargo.toml

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+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

domain/src/lib.rs

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+[package]
+name = "service"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+tokio = { version = "1", features = ["full"] }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+# 引入模块
+domain = { path = "../domain" }
+dao = { path = "../dao" }

service/Cargo.toml

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+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

service/src/lib.rs

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+[package]
+name = "utils"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

utils/Cargo.toml

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+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}