feat(command):增加前后端交互模块。

src-tauri/src/commands/mod.rs

@@ -0,0 +1,25 @@
+use tauri::{App, AppHandle, Runtime, Window};
+
+/// 用于持有应用实例，可存放不同的应用实例。
+pub enum AppHold<'a, R: Runtime> {
+    Instance(&'a App<R>),
+    Handle(&'a AppHandle<R>),
+}
+
+/// 根据提供的应用实例和窗体实例设定窗体的标题。
+pub fn update_window_title_with_app<R: Runtime>(
+    app: AppHold<R>,
+    window: &Window<R>,
+    ext: Option<String>,
+) -> anyhow::Result<()> {
+    let app_name = match app {
+        AppHold::Instance(app) => app.package_info().name.clone(),
+        AppHold::Handle(app) => app.package_info().name.clone(),
+    };
+    if let Some(ext) = ext {
+        window.set_title(&format!("{} - {}", app_name, ext))?;
+    } else {
+        window.set_title(&app_name)?;
+    }
+    Ok(())
+}

src-tauri/src/main.rs

@@ -1,15 +1,21 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
-// Learn more about Tauri commands at https://tauri.app/v1/guides/features/command
-#[tauri::command]
-fn greet(name: &str) -> String {
-    format!("Hello, {}! You've been greeted from Rust!", name)
-}
+mod commands;
+
+use commands::AppHold;
+use tauri::Manager;
 
 fn main() {
     tauri::Builder::default()
-        .invoke_handler(tauri::generate_handler![greet])
+        .invoke_handler(tauri::generate_handler![])
+        .setup(|app| {
+            let main_window = app.get_window("main").unwrap();
+            #[cfg(debug_assertions)]
+            main_window.open_devtools();
+            commands::update_window_title_with_app(AppHold::Instance(app), &main_window, None)?;
+            Ok(())
+        })
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }