feat(layout):完成基本界面布局以及文件夹扫描功能。

src-tauri/src/commands/files.rs

@@ -0,0 +1,36 @@
+use anyhow::anyhow;
+use serde::Serialize;
+use walkdir::WalkDir;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct FileItem {
+    pub filename: String,
+    pub path: String,
+}
+
+#[tauri::command]
+pub fn scan_directory(target: String) -> Result<Vec<FileItem>, String> {
+    WalkDir::new(target)
+        .into_iter()
+        .filter_map(|f| f.ok())
+        .filter(|f| f.path().is_file())
+        .map(|f| {
+            Ok(FileItem {
+                filename: f
+                    .path()
+                    .file_name()
+                    .ok_or(anyhow!("不能获取到文件名。"))?
+                    .to_owned()
+                    .into_string()
+                    .unwrap(),
+                path: f
+                    .path()
+                    .clone()
+                    .to_str()
+                    .ok_or(anyhow!("不能获取到文件路径。"))?
+                    .to_string(),
+            })
+        })
+        .collect::<Result<Vec<FileItem>, anyhow::Error>>()
+        .map_err(|e| e.to_string())
+}

src-tauri/src/commands/mod.rs

@@ -1,5 +1,11 @@
 use tauri::{App, AppHandle, Runtime, Window};
 
+mod files;
+
+pub mod prelude {
+    pub use super::files::*;
+}
+
 /// 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>),

src-tauri/src/main.rs

@@ -8,7 +8,7 @@ use tauri::Manager;
 
 fn main() {
     tauri::Builder::default()
-        .invoke_handler(tauri::generate_handler![])
+        .invoke_handler(tauri::generate_handler![commands::prelude::scan_directory])
         .setup(|app| {
             let main_window = app.get_window("main").unwrap();
             #[cfg(debug_assertions)]