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demo/src/main/java/com/example/demo/supply/Supplier/ProductMvcController.java

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+package com.example.demo.supply.Supplier;
+
+import com.example.demo.supply.Product.ProductDto;
+import com.example.demo.supply.Product.ProductService;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import java.util.List;
+
+@Controller
+@RequestMapping("/product")
+public class ProductMvcController {
+    private final ProductService productService;
+
+    public ProductMvcController(ProductService productService){ this.productService = productService;}
+
+    @GetMapping("/")
+    public String getProducts(Model model) {
+        model.addAttribute("students",
+                productService.findAllProducts().stream().map(ProductDto::new).toList());
+        return "students";
+    }
+
+}