优化代码格式，调整模块导入顺序，增强可读性

src/main.rs

@@ -1,18 +1,15 @@
 use actix_web::{App, HttpServer};
 mod models;
 mod repositories;
+mod routes;
 mod services;
 mod utils;
-mod routes;
 
 use crate::routes::user_routes;
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
-    HttpServer::new(|| {
-        App::new()
-            .configure(user_routes::register)
-    })
+    HttpServer::new(|| App::new().configure(user_routes::register))
         .bind("127.0.0.1:8080")?
         .run()
         .await

src/models/mod.rs

@@ -1 +1 @@
-pub mod user;
+pub mod user;

src/models/user.rs

@@ -1,4 +1,4 @@
-use mysql::prelude::{FromRow};
+use mysql::prelude::FromRow;
 use mysql::{FromRowError, Row};
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
@@ -12,7 +12,14 @@ pub struct User {
 
 impl FromRow for User {
     fn from_row_opt(row: Row) -> mysql::Result<Self, FromRowError> {
-        let (id, name, age, email, password) = mysql::from_row::<(i32, String, i32, String, String)>(row);
-        Ok(User { id, name, age, email, password })
+        let (id, name, age, email, password) =
+            mysql::from_row::<(i32, String, i32, String, String)>(row);
+        Ok(User {
+            id,
+            name,
+            age,
+            email,
+            password,
+        })
     }
-}
+}

src/repositories/mod.rs

@@ -1 +1 @@
-pub mod user_repository;
+pub mod user_repository;

src/repositories/user_repository.rs

@@ -1,6 +1,6 @@
+use crate::models::user::User;
 use mysql::params;
 use mysql::prelude::Queryable;
-use crate::models::user::User;
 
 /**
  * 新建用户
@@ -52,8 +52,12 @@ pub fn update_user(conn: &mut mysql::PooledConn, user: &User) -> Result<(), mysq
 pub fn query_all_user(conn: &mut mysql::PooledConn) -> Result<Vec<User>, mysql::Error> {
     conn.query_map(
         "SELECT id, name, age, email, password FROM users",
-        |(id, name, age, email, password)| {
-            User { id, name, age, email, password }
+        |(id, name, age, email, password)| User {
+            id,
+            name,
+            age,
+            email,
+            password,
         },
     )
 }
@@ -61,7 +65,10 @@ pub fn query_all_user(conn: &mut mysql::PooledConn) -> Result<Vec<User>, mysql::
 /**
  * 根据ID查询用户
  */
-pub fn query_user_by_id(conn: &mut mysql::PooledConn, id: i32) -> Result<Option<User>, mysql::Error> {
+pub fn query_user_by_id(
+    conn: &mut mysql::PooledConn,
+    id: i32,
+) -> Result<Option<User>, mysql::Error> {
     let result: Option<User> = conn.exec_first(
         "SELECT id, name, age, email, password FROM users WHERE id = :id",
         params! {
@@ -74,7 +81,10 @@ pub fn query_user_by_id(conn: &mut mysql::PooledConn, id: i32) -> Result<Option<
 /**
  * 根据用户名查询用户
  */
-pub fn query_user_by_name(conn: &mut mysql::PooledConn, name: &str) -> Result<Option<User>, mysql::Error> {
+pub fn query_user_by_name(
+    conn: &mut mysql::PooledConn,
+    name: &str,
+) -> Result<Option<User>, mysql::Error> {
     conn.exec_first(
         "SELECT id, name, age, email, password FROM users WHERE name = :name",
         params! {
@@ -86,11 +96,14 @@ pub fn query_user_by_name(conn: &mut mysql::PooledConn, name: &str) -> Result<Op
 /**
  * 根据邮箱查询用户
  */
-pub fn query_user_by_email(conn: &mut mysql::PooledConn, email: &str) -> Result<Option<User>, mysql::Error> {
+pub fn query_user_by_email(
+    conn: &mut mysql::PooledConn,
+    email: &str,
+) -> Result<Option<User>, mysql::Error> {
     conn.exec_first(
         "SELECT id, name, age, email, password FROM users WHERE email = :email",
         params! {
             "email" => email,
         },
     )
-}
+}

src/routes/mod.rs

@@ -1 +1 @@
-pub mod user_routes;
+pub mod user_routes;

src/routes/user_routes.rs

@@ -1,7 +1,7 @@
-use actix_web::{get, post, web, HttpResponse, Responder};
 use crate::models::user::User;
 use crate::services::user_service;
 use crate::utils::pool;
+use actix_web::{get, post, web, HttpResponse, Responder};
 
 pub(crate) fn register(config: &mut web::ServiceConfig) {
     config.service(register_user);
@@ -55,7 +55,7 @@ async fn query_user_by_email(path: web::Path<String>) -> impl Responder {
     let email = path.into_inner();
     match user_service::query_user_by_email(&mut conn, email.as_str()) {
         Ok(user) => HttpResponse::Ok().json(user),
-        Err(_) => HttpResponse::NotFound().json("User not found")
+        Err(_) => HttpResponse::NotFound().json("User not found"),
     }
 }
 
@@ -66,7 +66,7 @@ async fn query_user_by_name(path: web::Path<String>) -> impl Responder {
     let name = path.into_inner();
     match user_service::query_user_by_name(&mut conn, name.as_str()) {
         Ok(user) => HttpResponse::Ok().json(user),
-        Err(_) => HttpResponse::NotFound().json("User not found")
+        Err(_) => HttpResponse::NotFound().json("User not found"),
     }
 }
 
@@ -84,4 +84,4 @@ async fn delete_user(user: web::Json<User>) -> impl Responder {
     let mut conn = pool.get_conn().unwrap();
     user_service::delete_user(&mut conn, &user).unwrap();
     HttpResponse::Ok().json("User deleted successfully")
-}
+}

src/services/mod.rs

@@ -1 +1 @@
-pub mod user_service;
+pub mod user_service;

src/services/user_service.rs

@@ -1,8 +1,8 @@
-use mysql::PooledConn;
 use crate::models::user::User;
 use crate::repositories::user_repository;
-use mysql;
 use bcrypt::{hash, DEFAULT_COST};
+use mysql;
+use mysql::PooledConn;
 
 /**
  * 新建用户
@@ -23,7 +23,10 @@ pub fn query_user_by_id(conn: &mut PooledConn, id: i32) -> Result<Option<User>,
     user_repository::query_user_by_id(conn, id)
 }
 
-pub fn query_user_by_email(conn: &mut PooledConn, email: &str) -> Result<Option<User>, mysql::Error> {
+pub fn query_user_by_email(
+    conn: &mut PooledConn,
+    email: &str,
+) -> Result<Option<User>, mysql::Error> {
     user_repository::query_user_by_email(conn, email)
 }
 
@@ -53,4 +56,4 @@ pub fn delete_user(conn: &mut PooledConn, user: &User) -> Result<(), mysql::Erro
     }
 
     user_repository::delete_user(conn, user)
-}
+}