个人域名网站,官网设计企业,宁波男科医院,网站如何添加代码Mybatis如何给字段起别名#xff1f;
假如有一个学生表#xff0c;有一个字段是class#xff0c;你的实体类变量肯定不能用class#xff0c;那么如何起别名#xff1f;
通过以下代码实现
Result(column class,property clas)mapper代码
pub…Mybatis如何给字段起别名
假如有一个学生表有一个字段是class你的实体类变量肯定不能用class那么如何起别名
通过以下代码实现
Result(column class,property clas)mapper代码
public interface StudentDao {Insert(insert into student(id,name,sex,clas) values(#{name},#{money}))void save(Student student);Update(upate student set name#{name},sex#{sex} where id#{id})void update(Student student);Delete(delete from student where id#{id})void delete(String id);Select(select * from student where id#{id})Student findById(String id);Select(select * from student)Result(column class,property clas)ListStudent findAll();
}实体类
public class Student {public String getId() {return id;}public void setId(String id) {this.id id;}public String getName() {return name;}public void setName(String name) {this.name name;}public String getSex() {return sex;}public void setSex(String sex) {this.sex sex;}public String getClas() {return clas;}public void setClas(String clas) {this.clas clas;}Overridepublic String toString() {return Student{ id id \ , name name \ , sex sex \ , clas clas \ };}private String id;private String name;private String sex;private String clas;
}
