feat: 新增设置页面及外观设置功能

添加了设置页面路由、外观设置子页面，支持主题模式切换和自定义窗口背景图片，新增相关 Rust 后端模块、数据库初始化、多语言文案及配置项，更新 Tauri 配置和项目描述。

src-tauri/src/commands/mod.rs

@@ -0,0 +1,2 @@
+pub mod tunnel;
+pub mod server;

src-tauri/src/commands/server.rs

@@ -0,0 +1,11 @@
+use sqlx::SqlitePool;
+use tauri::State;
+use tauri_helper::auto_collect_command;
+
+use crate::models::{ApiResponse};
+
+#[tauri::command]
+#[auto_collect_command]
+pub async fn get_server_list(state: State<'_, SqlitePool>) -> Result<ApiResponse<()>, String> {
+    Ok(ApiResponse::success_empty())
+}

src-tauri/src/lib.rs

@@ -1,14 +1,33 @@
-// Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
-#[tauri::command]
-fn greet(name: &str) -> String {
-    format!("Hello, {}! You've been greeted from Rust!", name)
-}
+mod commands;
+mod models;
+mod services;
+
+use tauri::Manager;
+
+use crate::commands::server::get_server_list;
+use crate::services::db::init_pool;
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
         .plugin(tauri_plugin_opener::init())
-        .invoke_handler(tauri::generate_handler![greet])
+        .plugin(tauri_plugin_dialog::init()) // 对话框插件
+        .plugin(tauri_plugin_updater::Builder::new().build()) // 更新插件
+        .plugin(tauri_plugin_process::init()) // 进程插件（更新后重启）
+        .plugin(tauri_plugin_prevent_default::Builder::new().build())
+        .setup(|app| {
+            let pool = tauri::async_runtime::block_on(async {
+                init_pool(app.handle())
+                    .await
+                    .expect("sqlite数据库连接池初始化失败!")
+            });
+            app.manage(pool);
+
+            Ok(())
+        })
+        .plugin(tauri_plugin_store::Builder::default().build())
+        // .invoke_handler(tauri::generate_handler![greet])
+        .invoke_handler(tauri_helper::tauri_collect_commands!())
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }

src-tauri/src/models.rs

@@ -0,0 +1,50 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PageResult<T> {
+    pub total: i64,
+    pub list: Vec<T>,
+    pub page: i32,
+    pub page_size: i32,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct ApiResponse<T> {
+    success: bool,
+    code: i32,
+    msg: String,
+    data: Option<T>,
+}
+
+impl<T> ApiResponse<T> {
+    // 成功响应
+    pub fn success(data: T) -> Self {
+        Self {
+            success: true,
+            code: 0,
+            msg: "操作成功".to_string(),
+            data: Some(data),
+        }
+    }
+    // 错误响应
+    pub fn error(code: i32, message: &str) -> Self {
+        Self {
+            success: false,
+            code,
+            msg: message.to_string(),
+            data: None,
+        }
+    }
+}
+
+impl ApiResponse<()> {
+    // 成功响应，数据为空
+    pub fn success_empty() -> Self {
+        Self {
+            success: true,
+            code: 0,
+            msg: "操作成功".to_string(),
+            data: None,
+        }
+    }
+}

src-tauri/src/services/db.rs

@@ -0,0 +1,20 @@
+use sqlx::sqlite::{SqliteConnectOptions, SqlitePool, SqlitePoolOptions};
+use tauri::{AppHandle, Manager};
+
+pub async fn init_pool(app: &AppHandle) -> Result<SqlitePool, sqlx::Error> {
+    // 数据库文件路径
+    let app_dir = app.path().app_data_dir().expect("无法获取APP数据目录");
+    std::fs::create_dir_all(&app_dir).unwrap();
+    let db_path = app_dir.join("reader.db");
+    // 初始化数据库连接池
+    let options = SqliteConnectOptions::new()
+        .filename(&db_path)
+        .create_if_missing(true);
+    let pool = SqlitePoolOptions::new()
+        .max_connections(5)
+        .min_connections(1)
+        .connect_with(options)
+        .await?;
+
+    Ok(pool)
+}

src-tauri/src/services/mod.rs

@@ -0,0 +1 @@
+pub mod db;