2025-RealCoding · jaehyun429 · Jun 15, 2025 · Jun 15, 2025
diff --git a/package-lock.json b/package-lock.json
diff --git a/src/app/checkout/page.tsx b/src/app/checkout/page.tsx
@@ -1,6 +1,7 @@
-// CheckoutPage
-import { useState } from "react";
+
+import { useEffect, useState } from "react";
 import { ProductItem } from "@/types/Product";
+import { useRouter } from "next/router";
 
 interface CheckoutItem {
   product: ProductItem;
@@ -9,13 +10,48 @@ interface CheckoutItem {
 //  과제 3
 export default function CheckoutPage() {
   const [items, setItems] = useState<CheckoutItem[]>([]);
+  const router = useRouter();
+
+  useEffect(() => {
+    const data = localStorage.getItem("checkoutItems");
+    if (data) {
+      const parsed = JSON.parse(data) as CheckoutItem[];
+      setItems(parsed);
+      localStorage.removeItem("checkoutItems");
+    }
+  }, []);
+
+  const total = items.reduce((sum, item) => sum + Number(item.product.lprice) * item.quantity, 0);
+
   // 3.1. 결제하기 구현
   return (
     <div className="p-6 max-w-3xl mx-auto bg-white rounded shadow mt-6">
       <h1 className="text-2xl font-bold mb-4">✅ 결제가 완료되었습니다!</h1>
       {/* 3.1. 결제하기 구현 */}
+           {items.length > 0 ? (
+        <>
+        <ul className="divide-y">
+          {items.map((item, index) => (
+            <li key={index} className="py-4 flex justify-between">
+              <span>{item.product.mallName} (x{item.quantity})</span>
+              <span>{Number(item.product.lprice).toLocaleString()}원</span>
+            </li>
+          ))}
+          <li className="py-4 font-bold flex justify-between">
+            <span>총 결제 금액</span>
+            <span>{total.toLocaleString()}원</span>
+          </li>
+        </ul>
+        </>
+      )
+      :
+      <div className="text-center text-gray-500">장바구니에 상품이 없습니다.</div>
+    }
       <div></div>
       {/* 3.2. 홈으로 가기 버튼 구현 */}
+      <button onClick={() => router.push("/")} className="mt-6 w-full bg-blue-500 text-white py-2 rounded hover:bg-blue-600 transition">
+        홈으로 가기
+      </button>
     </div>
   );
-}
+  }
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
@@ -1,6 +1,7 @@
 import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
+import { UserProvider } from "@/context/UserContext";
 
 const geistSans = Geist({
   variable: "--font-geist-sans",
@@ -27,7 +28,7 @@ export default function RootLayout({
       <body
         className={`${geistSans.variable} ${geistMono.variable} antialiased`}
       >
-        {children}
+        <UserProvider>{children}</UserProvider>
       </body>
     </html>
   );

diff --git a/src/app/mypage/page.tsx b/src/app/mypage/page.tsx
@@ -1,14 +1,44 @@
-// 과제 1: 마이페이지 구현
+"use client";
+
+import Header from "@/component/layout/Header";
+import { useUser } from "@/context/UserContext";
+import Link from "next/link";
+
 export default function MyPage() {
   // 1.1. UserContext를 활용한 Mypage 구현 (UserContext에 아이디(userId: string), 나이(age: number), 핸드폰번호(phoneNumber: string) 추가)
 
+  const { user } = useUser();
+
   return (
     <div className="flex flex-col items-center min-h-screen bg-gray-50">
       {/* 1.2. Header Component를 재활용하여 Mypage Header 표기 (title: 마이페이지) */}
-      <p>마이페이지</p>
+      <Header title="마이페이지" />
+             <div className="max-w-3xl w-full p-6 bg-white rounded shadow mt-6">
+        <h1 className="text-2xl font-bold mb-4">마이페이지</h1>
+        <div className="space-y-4">
+          <div>
+            <strong>이름:</strong> {user.name}
+          </div>
+          <div>
+            <strong>아이디:</strong> {user.userId}
+          </div>
+          <div>
+            <strong>나이:</strong> {user.age}세
+          </div>
+          <div>
+            <strong>핸드폰번호:</strong> {user.phoneNumber}
+          </div>
+          <div>
+            <strong>이메일:</strong> {user.email}
+          </div>
+        </div>
+      </div>
       {/* Mypage 정보를 UserContext 활용하여 표시 (이름, 아이디, 나이, 핸드폰번호 모두 포함) */}
 
       {/* 1.3. 홈으로 가기 버튼 구현(Link or Router 활용) */}
+      <Link href="/" className="mt-6 w-full max-w-xs bg-blue-500 text-white py-2 rounded hover:bg-blue-600 transition">
+        홈으로 가기
+      </Link>
     </div>
   );
-}
+}
diff --git a/src/app/search/page.tsx b/src/app/search/page.tsx
@@ -12,13 +12,20 @@ export default function SearchHome() {
   const { user, setUser } = useUser();
   const { result } = useSearch();
 
+  //  페이지 최초 렌더링 될 때, setUser로 이름 설정
   //  페이지 최초 렌더링 될 때, setUser로 이름 설정
   useEffect(() => {
     //  학번 + 이름 형태로 작성 (ex. 2025***** 내이름 )
-    setUser({ name: "" });
+    setUser({ 
+      name: "202302616 정재현",
+    age : 26,
+    userId : "mhgrid",
+    email: "mhgrid@naver.com",
+    phoneNumber: "010-1234-5678"
+    });
   }, []);
 
-  return (
+   return (
     <div className="flex justify-center">
       <div className="w-[80%]">
         <Header title={`${user.name} 쇼핑`} />

diff --git a/src/component/search/SearchInput.tsx b/src/component/search/SearchInput.tsx
@@ -1,8 +1,14 @@
 "use client";
 import { useSearch } from "@/context/SearchContext";
+import React, { useEffect, useRef } from "react";
 
 export default function SearchInput() {
   const { query, setQuery, setResult } = useSearch();
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    inputRef.current?.focus();
+  }, [])
 
   // 검색 기능
   const search = async () => {
@@ -19,13 +25,16 @@ export default function SearchInput() {
   };
 
   // 2.2. SearchInput 컴포넌트가 최초 렌더링 될 때, input tag에 포커스 되는 기능
-  const handleInputChange = () => {};
+  const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    setQuery(e.target.value);
+  };
 
   // 과제 1-2-3: 페이지 최초 렌더링 시, input에 포커스 되는 기능 (useRef)
 
   return (
     <div className="flex justify-center items-center gap-2 mt-4">
       <input
+        ref={inputRef}
         type="text"
         value={query}
         onChange={handleInputChange}

diff --git a/src/component/shopping/CartList.tsx b/src/component/shopping/CartList.tsx
@@ -1,5 +1,6 @@
 "use client";
 import { ProductItem } from "@/types/Product";
+import { useRouter } from "next/navigation";
 
 interface Props {
   cart: { [productId: string]: number };
@@ -19,9 +20,23 @@ export default function CartList({ cart, products, onRemove }: Props) {
     (sum, item) => sum + Number(item.lprice) * item.quantity,
     0
   );
+  const router = useRouter();
 
   // 2.4 결제하기: "결제하기" 버튼을 클릭하면, 현재 장바구니에 담긴 상품을 확인해 **localStorage**에 저장 후, 결제완료(/checkout) 페이지로 이동한다.
-  const handleCheckout = () => {};
+  const handleCheckout = () => {
+    const checkoutItems = cartItems.map((item) => ({
+      product: {
+        productId: item.productId,
+        title: item.title,
+        lprice: Number(item.lprice),
+      },
+      quantity: item.quantity
+    }));
+
+    localStorage.setItem("checkoutItems", JSON.stringify(checkoutItems));
+
+    router.push("/checkout");
+  };
 
   return (
     <div className="p-4 bg-white rounded shadow mt-6">

diff --git a/src/component/shopping/ProductCart.tsx b/src/component/shopping/ProductCart.tsx
@@ -8,6 +8,12 @@ export default function ProductCart({ items }: { items: ProductItem[] }) {
   const [cart, setCart] = useState<{ [id: string]: number }>({}); // {"88159814281" : 1}
   const [showCart, setShowCart] = useState(false); //  과제 2.1
 
+    useEffect(() => {
+    const hasItems = Object.keys(cart).length > 0;
+    setShowCart(hasItems);
+  }, [cart])
+
+
   //  카트에 담기
   const handleAddToCart = (item: ProductItem, quantity: number) => {
     setCart((prev) => ({
@@ -20,15 +26,30 @@ export default function ProductCart({ items }: { items: ProductItem[] }) {
   };
 
   /* 과제 2-3: Cart 아이템 지우기 */
-  const handleRemoveFromCart = () => {};
+  const handleRemoveFromCart = (productId: string) => {
+    setCart((prev) => {
+      const updated = Object.fromEntries(
+        Object.entries(prev).filter(([id]) => id !== productId)
+      );
+      return updated;
+    });
+
+    localStorage.removeItem(productId);
+  };
 
   return (
     <div className="p-10">
       {/* 상품 리스트 */}
       <ProductList items={items} onAddToCart={handleAddToCart} />
       {/* 장바구니 */}
       {/* 2.1. 조건부 카트 보이기: 카트에 담긴 상품이 없으면 카트가 보이지 않고, 카트에 담긴 물건이 있으면 카트가 보인다 */}
-      <CartList cart={cart} products={items} onRemove={handleRemoveFromCart} />
+      {showCart && (
+        <CartList
+          cart={cart}
+          products={items}
+          onRemove={handleRemoveFromCart}
+        />
+      )}
     </div>
   );
 }
diff --git a/src/context/UserContext.tsx b/src/context/UserContext.tsx
@@ -1,41 +1,42 @@
 "use client";
 import { createContext, ReactNode, useContext, useState } from "react";
 
-// 과제 1.1 UserContext 구현
-
-// User
+// User 타입 정의
 interface User {
   name: string;
-  // age: number
-  // 추가하고 싶은 속성들 ...
+  userId: string;
+  age: number;
+  phoneNumber: string;
 }
-// UserContextType
+
 interface UserContextType {
   user: User;
   setUser: (user: User) => void;
 }
 
-//  1. createContext
 export const UserContext = createContext<UserContextType | undefined>(
   undefined
 );
 
-// 2. Provider 생성
 export const UserProvider = ({ children }: { children: ReactNode }) => {
-  const [user, setUser] = useState<User>({ name: "" });
+  const [user, setUser] = useState<User>({
+    name: "정재현",
+    userId: "mhgrid",
+    age: 26,
+    phoneNumber: "010-1234-5678",
+  });
+
   return (
     <UserContext.Provider value={{ user, setUser }}>
       {children}
     </UserContext.Provider>
   );
 };
 
-// 3. user 정보를 사용하기 위한 custom hook
 export const useUser = () => {
   const context = useContext(UserContext);
-  // 에러처리
   if (!context) {
-    throw new Error("error");
+    throw new Error("UserContext 내부에서만 사용해야 합니다.");
   }
   return context;
 };
diff --git a/tsconfig.json b/tsconfig.json
@@ -11,7 +11,7 @@
     "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true,
-    "jsx": "preserve",
+    "jsx": "react-jsx",
     "incremental": true,
     "plugins": [
       {