feature: 购物车完整demo

src/api/shop.ts

@@ -0,0 +1,35 @@
+export interface IProduct {
+  id: string
+  name: string
+  price: number
+  inventory: number
+}
+
+const _products: IProduct[] = [
+  {
+    "id": "0",
+    "name": "IPad Pro",
+    "price": 5999,
+    "inventory": 2
+  },
+  {
+    "id": "1",
+    "name": "IPhone 13 Pro",
+    "price": 7999,
+    "inventory": 3
+  }
+]
+
+export const getProducts = async () => {
+  await wait(1000)
+  return _products
+}
+
+export const buyProducts = async () => {
+  await wait(1000)
+  return Math.random() > 0.5
+}
+
+async function wait( delay: number ) {
+  return new Promise(( resolve ) => setTimeout(resolve, delay))
+}