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package com.example.manytomany.controller;

import com.example.manytomany.entity.Book;
import com.example.manytomany.service.BookService;
import .springframework.beans.factory.annotation.Autowired;
import .springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Optional;

@RestController
@RequestMapping("/books")
public class BookController {

    @Autowired
    private BookService bookService;

    @PostMapping
    public Book createBook(@RequestBody Book book) {
        return bookService.saveBook(book);
    }

    @GetMapping
    public List<Book> getBooks() {
        return bookService.getAllBooks();
    }

    @GetMapping("/{id}")
    public Optional<Book> getBookById(@PathVariable Long id) {
        return bookService.getBookById(id);
    }

    @DeleteMapping("/{id}")
    public void deleteBook(@PathVariable Long id) {
        bookService.deleteBook(id);
    }
}

本文标签： spring boot415 unsupported media type error in simple post mappings in postmanStack Overflow

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