String result = (String) params.get("result"); // 新建一个LambdaQueryWrapper类来接收数据,封装的类型为settingshitil LambdaQueryWrapper<BreakSettingEntity> queryWrapper = new LambdaQueryWrapper<>(); //将设置表中需要的信息都查询出来,使用该
importcom.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;importcom.baomidou.mybatisplus.extension.service.impl.ServiceImpl;// 假设有一个 User 实体类publicclassUser{privateLongid;privateStringname;privateIntegerage;// 省略 getter 和 setter}// UserMapper 接口publicinterfaceUserMapperextendsBase...
{ LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.eq(User::getStatus, 1); // 查询状态为1的用户 if (StringUtils.isNotEmpty(keyword)) { queryWrapper.and(wrapper -> wrapper.like(User::getName, keyword)); } queryWrapper.orderByDesc(User::...
public class MyServiceImpl extends ServiceImpl<UserDataPoMapper,UserDataPo> implements MyService 3 创建wrapper LambdaQueryWrapper<UserDataPo> wrapper = new LambdaQueryWrapper<>(); wrapper.eq(UserDataPo::getId, id); List<UserDataPo> userDataPoList = userDataPoMapper.selectList(wrapper); 其中eq表示等于...
有时候有一些需求 比如筛选条件,不想自己写原生sql 就可以使用mybatis plus的queryWrapper方式 // 用mybatisplus的写法LambdaQueryWrapper<ListDO> queryWrapper = Wrappers.lambdaQuery(ListDO.class) .ge(syncLastTimePre!=null, ListDO::getUpdateTime, syncLastTimePre) ...
@SpringBootTest class Mybatisplus02DqlApplicationTests { @Autowired private UserDao userDao; @Test void testGetAll(){ //模拟页面传递过来的查询数据 UserQuery uq = new UserQuery(); uq.setAge(10); uq.setAge2(30); LambdaQueryWrapper<User> lqw = new LambdaQueryWrapper<User>(); if(null...
LambdaQueryWrapper<User> queryWrapper = Wrappers.lambdaQuery(); queryWrapper.like(User::getName, \"张\") .lt(User::getAge,30) .or(wrapper -> wrapper.eq(User::getGender, \"女\")); List<User> userList = userMapper.selectList(queryWrapper); ...
LambdaUpdateWrapper : Lambda 更新封装Wrapper QueryWrapper : Entity 对象封装操作类,不是用lambda语法 UpdateWrapper : Update 条件封装,用于Entity对象更新操作 1.1基础使用 配置基础类 importcom.baomidou.mybatisplus.annotation.TableName;importlombok.Data;@Data@TableName("tutorials")//tutorialspublicclassTutorial{...
package com.panda.crud.logic.delete.auto.fill.service.impl; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.baomidou.mybatisplus.ex...
package com.panda.crud.logic.delete.auto.fill.service.impl; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.panda.crud.logic.dele...