Book book1 = new Book { Id = 1, Name = "Book-1", Price = 10 }; Book book2 = new Book { Id = 2, Name = "Book
Arrays.asList( new Book("book-1", "Effective Java", 416, "author-1"), new Book("book
books = Arrays.asList( new Book("book-1", "Effective Java", 416, "author-1"), new Book("book
this.metadata.keyGenerator.generate(this.target, this.metadata.method, this.args); } 我们可以用这种方式手动指定根据id生成book-1,book