摘要:
实体类 //多对多的关系映射:一个角色可以赋予多个用户 private List<User> users; public List<User> getUsers() { return users; } public void setUsers(List<User> users) { this.use 阅读全文
摘要:
一、在主表实体类创建从表实体的list集合(主表user,从表account) public class User implements Serializable { private Integer id; private String username; private String addres 阅读全文
摘要:
一、实体类从表添加主表的对象(主表user,从表account) public class Account implements Serializable { private Integer id; private Integer uid; private double money; //添加主表对 阅读全文