03springboot起步

Book

WS})P$YEL]8[FT@8S044$BQ.png

entity类

public class Book {
    private Integer id;
    private String name;
    private Double price;

    public Book() {
    }

    public Book(Integer id, String name, Double price) {
        this.id = id;
        this.name = name;
        this.price = price;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Double getPrice() {
        return price;
    }

    public void setPrice(Double price) {
        this.price = price;
    }

    @Override
    public String toString() {
        return "Book{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", price=" + price +
                '}';
    }
}

dao/BookDAo

@Component
public class BookDAO {
    public List<Book> getBooks(){
        List<Book> books=new ArrayList<>();
        books.add(new Book(1,"springboot",88.7));
        books.add(new Book(1,"MAC", (double) 98));
        books.add(new Book(1,"Java", (double) 98));



        return books;
    }
}

Controller/BookController

@RestController

public class BookController {
    @Resource
    private BookDAO bookDAO;
    @RequestMapping(value = "/books",method = RequestMethod.GET)
    public List<Book> getBooks(){
        return bookDAO.getBooks();
    }
}