2.25

控制器类TransactionController.java 

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/api/transactions")
public class TransactionController {

    @Autowired
    private TransactionService transactionService;

    @GetMapping
    public List<Transaction> getAllTransactions() {
        return transactionService.getAllTransactions();
    }

    @PostMapping
    public Transaction addTransaction(@RequestBody Transaction transaction) {
        return transactionService.addTransaction(transaction);
    }
}

应用主类Application.java

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}