...下面看下執行SQL的過程。 ClipsDAO clipsDAO = session.getMapper(ClipsDAO.class); ClipsEntity clipsEntity = clipsDAO.selectById(1); 查看session.getMapper()的實現: // org.apache.ibatis.sessi...
... // 獲取接口的實現類實例 IUserMapper mapper = session.getMapper(IUserMapper.class); // 調用方法 User user = mapper.findById(1); System.out.println(user.getName()); ...
...的? 平時我們使用如下代碼獲得一個Mapper對象。 public T getMapper(Class type) { return this.configuration.getMapper(type, this); } 通過調用DefaultSqlSession的getMapper方法并且傳入一個類型對象獲取,底層呢調用的是配置對象configuration的getMapper....
...動生成Mapper代理對象) UserMapper userMapper = sqlSession.getMapper(UserMapper.class); // 調用UserMapper的方法 User user = userMapper.findUserById(1); System.out.println(user); ...
...e); // 自動提交事務 StudentMapper studentMapper = sqlSession.getMapper(StudentMapper.class); System.out.println(studentMapper.getStudentById(1)); System.out.println(studentMapper....
...e); // 自動提交事務 StudentMapper studentMapper = sqlSession.getMapper(StudentMapper.class); System.out.println(studentMapper.getStudentById(1)); System.out.println(studentMapper....
...SessionFactory.openSession(); try { IUserOperation userOperation=session.getMapper(IUserOperation.class); List users = userOperation.selectUsers(userName); for(User user:users){ System.out.pr...
...、插入、更新、刪除的方法。 UserMapper userMapper = sqlSession.getMapper(UserMapper.class); 其實getMapper()方法拿到的mapper是通過Java動態代理實現的。從getMapper()方法逐級往下看,可以發現在MapperRegistry類的getMapper()方法中會拿到一個MapperProxyFa...
... // 獲取映射類 StudentDao studentDao = sqlSession.getMapper(StudentDao.class); // 直接調用接口的方法,傳入參數id=1,返回Student對象 Student student = studentDao.getStudentById(1...
...|--SqlSourceBuilder 創建Mapper代理對象 找入口:DefaultSqlSession#getMapper |--DefaultSqlSession#getMapper:獲取Mapper代理對象 ? |--Configuration#getMapper:獲取Mapper代理對象 ? |--MapperRegistry#getMapper:通過代理...
... // 獲取Mapper接口 SysUserMapper sysUserMapper = sqlSession.getMapper(SysUserMapper.class); SysUser user = new SysUser(); user.setUserAccount(admin); user.setUserPass...
...ssion(); try{ SysUserMapper sysUserMapper = sqlSession.getMapper(SysUserMapper.class); List users = sysUserMapper.selectAll(); users.forEach(user -> { ...
...ory.openSession(); // 3.獲取對應mapper TUserMapper mapper = sqlSession.getMapper(TUserMapper.class); //-------------第三階段------------- // 4.執行查詢語句并返回結果 TUser user = mapper.selectByPrimaryKey(1); System...
... public interface PersonConverter { PersonConverter INSTANCE = Mappers.getMapper(PersonConverter.class); @Mappings({ @Mapping(source = birthday, target = birth), @Mapping(so...
ChatGPT和Sora等AI大模型應用,將AI大模型和算力需求的熱度不斷帶上新的臺階。哪里可以獲得...
大模型的訓練用4090是不合適的,但推理(inference/serving)用4090不能說合適,...
圖示為GPU性能排行榜,我們可以看到所有GPU的原始相關性能圖表。同時根據訓練、推理能力由高到低做了...