更新上下文菜单项

use tauri::{CustomMenuItem, SystemTray, SystemTrayMenu, SystemTrayEvent};
use tauri::Manager;

fn main() {
  let tray_menu = SystemTrayMenu::new(); // insert the menu items here
  tauri::Builder::default()
    .system_tray(SystemTray::new().with_menu(tray_menu))
    .on_system_tray_event(|app, event| match event {
      SystemTrayEvent::MenuItemClick { id, .. } => {
        // get a handle to the clicked menu item
        // note that `tray_handle` can be called anywhere,
        // just get an `AppHandle` instance with `app.handle()` on the setup hook
        // and move it to another function or thread
        let item_handle = app.tray_handle().get_item(&id);
        match id.as_str() {
          "hide" => {
            let window = app.get_window("main").unwrap();
            window.hide().unwrap();
            // you can also `set_selected`, `set_enabled` and `set_native_image` (macOS only).
            item_handle.set_title("Show").unwrap();
          }
          _ => {}
        }
      }
      _ => {}
    })
    .run(tauri::generate_context!())
    .expect("error while running tauri application");
}

更新托盘图标

请注意，您需要在 Cargo.toml 中向 tauri 依赖项添加或特征标志才能使用icon-icoicon-pngIcon::Raw

app.tray_handle().set_icon(tauri::Icon::Raw(include_bytes!("../path/to/myicon.ico").to_vec())).unwrap();