摘要：实体类 public class User implements Serializable{ private Integer id; private String username; private String address; private String sex; private Date b 阅读全文

摘要：多对多 实体类 public class Role implements Serializable { private Integer roleId; private String roleName; private String roleDesc; //多对多的关系映射：一个角色可以赋予多个用户 阅读全文

摘要：实体类 public class Account implements Serializable { private Integer id; private Integer uid; private Double money; //从表实体应该包含一个主表实体的对象引用 private User u 阅读全文

摘要：实体类 public class User implements Serializable { private Integer userId; private String userName; private String userAddress; private String userSex; p 阅读全文

摘要：实体类 public class User implements Serializable { private Integer userId; private String userName; private String userAddress; private String userSex; p 阅读全文

摘要：实体类 package com.zk; import java.io.Serializable; import java.util.Date; public class User implements Serializable{ private Integer id; private String 阅读全文