feat: 添加设置窗口标题功能，更新命令处理逻辑

src-tauri/src/commands.rs

@@ -0,0 +1,14 @@
+use tauri::{AppHandle, WebviewWindow};
+
+#[tauri::command]
+pub fn set_window_title(
+    app_handle: AppHandle,
+    window: WebviewWindow,
+    title: Option<String>,
+) -> Result<(), String> {
+    let app_name = app_handle.package_info().name.clone();
+    let new_title = title
+        .map(|t| format!("{} - {}", t, app_name))
+        .unwrap_or(app_name);
+    window.set_title(&new_title).map_err(|e| e.to_string())
+}

src-tauri/src/lib.rs

@@ -1,8 +1,4 @@
-// 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;
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
@@ -10,7 +6,7 @@ pub fn run() {
         .plugin(tauri_plugin_dialog::init())
         .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_opener::init())
-        .invoke_handler(tauri::generate_handler![greet])
+        .invoke_handler(tauri::generate_handler![commands::set_window_title])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }