* 循环单次插入 */@Testvoidsave(){long stime=System.currentTimeMillis();// 统计开始时间for(int i=0;i<MAXCOUNT;i++){User user=newUser();user.setName("test:"+i);user.setPassword("123456");userService.save(user);}long etime=System.currentTimeMillis();// 统计结束时间System.out.println...
复制 /**缓存测试*/@TestpublicvoidcacheTest(){//打开一个会话1,不自动提交SqlSession session1=SqlSessionFactoryUtils.openSqlSession(false);//获得一个映射器StudentMapper mapper1=session1.getMapper(StudentMapper.class);//查询单个对象通过编号Student student1=mapper1.selectStudentById(1);System.out.println...
System.out.println(students); Assert.assertNotNull(students); } 结果: (三)、注解参数名称: 接口: /*** 根据学生姓名或性别获得学生集合*/List<Student> selectStudentsByNameOrSex(@Param("realname") String name,@Param("sex") String sex); 映射: SELECT id,name,sex from student where name like ...
; System.out.println(help.toString()); if (scanner.hasNext()) { String ipt = scanner.next(); if (StringUtils.isNotBlank(ipt)) { return ipt; } } throw new MybatisPlusException("请输入正确的" + tip + "!"); } public static void main(String[] args) { // 代码生成器 AutoGenerator...
for(inti=0;i<MAXCOUNT;i++){User user=new User();user.setName("test:"+i);user.setPassword("123456");userService.save(user);}longetime=System.currentTimeMillis();//统计结束时间 System.out.println("执行时间:"+(etime-stime));}} ...
System.out.println(rs.getString("userName")); System.out.println(rs.getString("name")); System.out.println(rs.getInt("age")); System.out.println(rs.getDate("birthday")); } }finally{ // 关闭连接,释放资源 if(rs !=null) {
@Testpublic void testBatchInsert() {System.out.println("--- batch insert method test ---");List<User> list = new ArrayList<>();for (int i = 0; i < 10; i++) {User user = new User();user.setName("test");user.setAge(13);user.setEmail("101@qq.com");list.add(user);}us...
Click the Apple icon in the upper left corner and selectSystem Preferences. On the displayed settings window, selectBluetooth. The PC will automatically search for nearby Bluetooth devices. Once the earbuds are detected, clickConnectnext to the earbuds name. ...
获取SqlSession对象SqlSession sqlSession = MybatisUtils.getSqlSession();//2.执行SQLPersonDao personDao = sqlSession.getMapper(PersonDao.class);Person person = personDao.getPersonByIdResult(1);System.out.println(person);Person person2 = personDao.getPersonByIdResult(1);System.out.println(person2);/...
For more information, review the System Event Log. OR“The service failed to respond in a timely fashion”. OR“The service failed to start”.Locate the SQL Errorlog as that is the 1st place to look if a SQL service is not starting. This can be done by looking up...