feat(server):构建基本服务。

license_server/src/products.rs

@@ -0,0 +1,25 @@
+use std::sync::OnceLock;
+
+use serde::Deserialize;
+use tokio::{fs::File, io::AsyncReadExt};
+
+#[derive(Debug, Deserialize)]
+pub struct Product {
+    pub id: String,
+    pub name: String,
+}
+
+static PRODUCTS: OnceLock<Vec<Product>> = OnceLock::new();
+
+pub fn get() -> &'static Vec<Product> {
+    PRODUCTS.get().unwrap()
+}
+
+pub async fn load_products() -> anyhow::Result<()> {
+    let mut products_file = File::open("./products.json").await?;
+    let mut contents = String::new();
+    products_file.read_to_string(&mut contents).await?;
+    let products: Vec<Product> = serde_json::from_str(&contents)?;
+    PRODUCTS.set(products).unwrap();
+    Ok(())
+}