订单类CRUD和Controller API

src/main/java/com/example/springdemo/controller/OrdersController.java

@@ -0,0 +1,33 @@
+package com.example.springdemo.controller;
+
+import com.example.springdemo.entities.Orders;
+import com.example.springdemo.service.OrdersService;
+import jakarta.annotation.Resource;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/indent")
+public class OrdersController {
+    @Resource
+    private OrdersService ordersService;
+
+    @PostMapping("/add")
+    public Orders addIndent(@RequestBody Orders orders) {
+        return ordersService.addIndent(orders);
+    }
+
+    @DeleteMapping("/delete/{id}")
+    public void deleteIndent(@PathVariable Long id) {
+        ordersService.deleteIndentById(id);
+    }
+
+    @PutMapping("/update")
+    public Orders updateIndent(@RequestBody Orders orders) {
+        return ordersService.updateIndent(orders);
+    }
+
+    @GetMapping("/find")
+    public Iterable<Orders> getIndent() {
+        return ordersService.findAllIndents();
+    }
+}

src/main/java/com/example/springdemo/dao/OrdersRepository.java

@@ -1,10 +1,10 @@
 package com.example.springdemo.dao;
 
-import com.example.springdemo.entities.Indent;
+import com.example.springdemo.entities.Orders;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
-public interface IndentRepository
+public interface OrdersRepository
-        extends CrudRepository<Indent, Long> {
+        extends CrudRepository<Orders, Long> {
 }

src/main/java/com/example/springdemo/service/OrdersService.java

@@ -0,0 +1,13 @@
+package com.example.springdemo.service;
+
+import com.example.springdemo.entities.Orders;
+
+public interface OrdersService {
+    Orders addIndent(Orders orders);
+
+    void deleteIndentById(Long id);
+
+    Orders updateIndent(Orders orders);
+
+    Iterable<Orders> findAllIndents();
+}

src/main/java/com/example/springdemo/service/OrdersServiceImpl.java

@@ -0,0 +1,32 @@
+package com.example.springdemo.service;
+
+import com.example.springdemo.dao.OrdersRepository;
+import com.example.springdemo.entities.Orders;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+
+@Service
+public class OrdersServiceImpl implements OrdersService {
+    @Resource
+    private OrdersRepository ordersRepository;
+
+    @Override
+    public Orders addIndent(Orders orders) {
+        return ordersRepository.save(orders);
+    }
+
+    @Override
+    public void deleteIndentById(Long id) {
+        ordersRepository.deleteById(id);
+    }
+
+    @Override
+    public Orders updateIndent(Orders orders) {
+        return ordersRepository.save(orders);
+    }
+
+    @Override
+    public Iterable<Orders> findAllIndents() {
+        return ordersRepository.findAll();
+    }
+}