name.trim().isEmpty();// 方式一:为null或""不拼接条件wrapper.where(flag ? SYS_USER_ENTITY.NAME.eq(name) : QueryMethods.noCondition());// 方式二wrapper.and(qw -> {qw.or(SYS_USER_ENTITY.NAME.eq(name).when(flag)).or(SYS_USER_ENTITY.USERNAME.eq(name).when(StringUtil.isNotBlank(...
Check the corresponding BeanPostProcessor declaration and its dependencies. 排除SpringDataWebAutoConfiguration自动配置类即可: java @SpringBootApplication(exclude=SpringDataWebAutoConfiguration.class)publicclassSampleApplication{} 如果还是有警告,直接将日志级别改成 ERROR: ...
or (...) java QueryWrapper queryWrapper=QueryWrapper.create() .select() .from(ACCOUNT) .where(ACCOUNT.ID.ge(100)) .and(ACCOUNT.SEX.eq(1).or(ACCOUNT.SEX.eq(2))) .or(ACCOUNT.AGE.in(18,19,20).and(ACCOUNT.USER_NAME.like("michael")));...
.and(i -> i.eq("sex", 1).or(x -> x.eq("sex", 2))) .or(i -> ("age", 18, 19, 20).like("user_name", "michael")); // or lambda LambdaQueryWrapper<Employee> query = Wrappers.<Employee>lambdaQuery() .ge(Employee::getId, 100) .and(i -> i.eq(Employee::getSex, 1)....
// 示例 2:通过 QueryWrapper 构建条件查询数据列表 QueryWrapper query = QueryWrapper.create() .select() .from(ACCOUNT) // 单表查询时表名可省略,自动使用 Mapper 泛型对应的表 .where(ACCOUNT.ID.ge(100)) .and(ACCOUNT.USER_NAME.like("张").or(ACCOUNT.USER_NAME.like("李"))); // 执行 SQL:...
QueryWrapper queryWrapper=QueryWrapper.create() .select() .from(ACCOUNT) .where(ACCOUNT.ID.ge(100)) .and(ACCOUNT.SEX.eq(1).or(ACCOUNT.SEX.eq(2))) .or(ACCOUNT.AGE.in(18,19,20).and(ACCOUNT.USER_NAME.like("michael"))); // SQL: // SELECT * FROM tb_account // WHERE id >= ? /...
和 or(...) 假设我们要构建如下的 SQL 进行查询(需要在 SQL 中添加括号)。 SELECT * FROM tb_account WHERE id >= 100 AND (sex = 1 OR sex = 2) OR (age IN (18,19,20) AND user_name LIKE "%michael%" ) MyBatis-Flex: QueryWrapper query = QueryWrapper.create() .where(ACCOUNT.ID.ge...
2.2.3 and(...) 和 or(...) 假设我们要构建如下的 SQL 进行查询(需要在 SQL 中添加括号)。 SELECT*FROMtb_accountWHEREid>=100AND(sex=1ORsex=2)OR(ageIN(18,19,20)ANDuser_nameLIKE"%michael%" ) MyBatis-Flex: QueryWrapperquery=QueryWrapper.create() ...
//MyBatis-Plus 的代码QueryWrapperqueryWrapper=newQueryWrapper();queryWrapper.ge("id",100);queryWrapper.or();queryWrapper.eq("user_name","admin"+ThreadLocalRandom.current().nextInt(10000));queryWrapper.last("limit 1");mapper.selectOne(queryWrapper); ...
());// 执行 SQL:// ELECT * FROM `tb_account`// WHERE `id` >= 100// AND (`user_name` LIKE '%张%' OR `user_name` LIKE '%李%' )// ORDER BY `id` DESC// LIMIT 40,10Page<Account>accounts=MybatisFlexBootstrap.getInstance().execute(AccountMapper.class,mapper->mapper.paginate(5...