添加实例文件

修复打印格式问题

CosmeticManager.cpp

@@ -104,11 +104,11 @@ void CosmeticManager::displayAll() const {
     }
 }
 // 查找临期化妆品，小于60天
-void CosmeticManager::displayExpiringCosmetics() const {
+void CosmeticManager::displayExpiringCosmetics(int days=60) const {
     std::string date = Cosmetic::getTime();
     for (int i = 0; i < count; ++i) {
         //这里可以调整判定临期的时间（天）
-        if (cosmetics[i]->getExpirationDate() < Cosmetic::getTimeAdd(60)) {
+        if (cosmetics[i]->getExpirationDate() < Cosmetic::getTimeAdd(days)) {
             std::cout << "品牌: " << cosmetics[i]->getName()
                       << " | 过期日期: " << cosmetics[i]->getExpirationDate()
                       << std::endl;

CosmeticManager.h

@@ -17,7 +17,7 @@ public:
     void loadFromFile();
     void saveToFile();
     void displayAll() const;
-    void displayExpiringCosmetics() const;  // 查找临期化妆品方法
+    void displayExpiringCosmetics(int i) const;  // 查找临期化妆品方法
     bool isValidDate(const std::string &date);
 
 private:

cmake-build-debug/Cosmetic.txt

@@ -0,0 +1,2 @@
+123 123 1 2028-01-01
+456 456 0 2000-01-01

main.cpp

@@ -14,7 +14,7 @@ void displayMenu() {
     std::cout << "6. 查找临期化妆品" << std::endl;
     std::cout << "0. 退出系统" << std::endl;
     std::cout << "=========================" << std::endl;
-    std::cout << "请选择操作: ";
+    std::cout << "请选择操作: " << std::endl;
 }
 
 int main() {
@@ -39,6 +39,10 @@ int main() {
                 std::cin >> price;
                 std::cout << "输入类型 (1-国产, 0-进口): ";
                 std::cin >> type;
+                if (type!=1 && type!=0) {
+                    std::cout << "类型输入错误！请输入1-国产, 0-进口" << std::endl;
+                    break;
+                }
                 std::cout << "输入过期日期 (YYYY-MM-DD): ";
                 std::cin >> expirationDate;
                 if (!manager.isValidDate(expirationDate)) {
@@ -91,9 +95,13 @@ int main() {
             case 5:
                 manager.displayAll();
                 break;
-            case 6:
-                manager.displayExpiringCosmetics();
+            case 6: {
+                int days;
+                std::cout << "输入临期天数: ";
+                std::cin >> days;
+                manager.displayExpiringCosmetics(days);
                 break;
+            }
             case 0:
                 manager.saveToFile();
                 std::cout << "数据已保存，再见!" << std::endl;