sys_user表
@Id
	private int    id;
	@Column
	@ColDefine(width = 20)
	@Comment("用户名")
	private String username;
	@Column
	@ColDefine(width = 32)
	@Comment("密码")
	private String pwd;
	@Column
	@ColDefine(width = 50)
	@Comment("昵称")
	private String nickname;
	@Column
	@ColDefine(width = 100)
	@Comment("地址")
	private String address;
	@Column
	@ColDefine(width = 20)
	@Comment("电话")
	private String tel;

u_book表
@Id
	private int    id;
	@Column
	@Comment("用户Id")
	private int    userId;
	@Column
	@Comment("书名")
	private String name;

就是为了登录用户之后展示用户底下的书本

呃...您可以给我说一下就这两张表的联查语句语法怎么写吗？