//注解配置；
@Mapper
public interface UserDAO {
String TABLE_NAME = "user";
String INSET_FIELDS = " name, password, salt, head_url ";
String SELECT_FIELDS = " id, name, password, salt, head_url";
//通过抽象，实现crud的复用；
@Insert({"insert into ", TABLE_NAME, "(", INSET_FIELDS,
") values (#{name},#{password},#{salt},#{headUrl})"})
int addUser(User user);
@Select({"select ", SELECT_FIELDS, " from ", TABLE_NAME, " where id=#{id}"})
User selectById(int id);
@Select({"select ", SELECT_FIELDS, " from ", TABLE_NAME, " where name=#{name}"})
User selectByName(String name);
@Update({"update ", TABLE_NAME, " set password=#{password} where id=#{id}"})
void updatePassword(User user);
@Delete({"delete from ", TABLE_NAME, " where id=#{id}"})
void deleteById(int id);
}
