serve_template/src/main/java/space/anyi/serve/service/impl/UserServiceImpl.java

package space.anyi.serve.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.stereotype.Service;
import space.anyi.serve.entity.user.User;
import space.anyi.serve.mapper.UserMapper;
import space.anyi.serve.service.UserService;

import java.util.Objects;


/**
 * (User)表服务实现类
 *
 * @author 杨逸
 * @since 2026-03-31 13:17:55
 */
@Service("userService")
public class UserServiceImpl extends ServiceImpl<UserMapper,User> implements UserService {

    /**
     * 通过ID查询单条数据
     *
     * @param id 主键
     * @return 实例对象
     */
    @Override
    public User queryById(Long id) {
        return getById(id);
    }

    /**
     * 分页查询
     *
     * @param user 筛选条件
     * @param page      分页对象
     * @return 查询结果
     */
    @Override
    public Page<User> queryByPage(User user,Page<User> page) {
        LambdaQueryWrapper<User> lambdaQueryWrapper = new LambdaQueryWrapper<User>()
                .eq(Objects.nonNull(user.getRole()),User::getRole,user.getRole())
                .eq(Objects.nonNull(user.getAccount()),User::getAccount,user.getAccount())
                .eq(Objects.nonNull(user.getEnable()),User::getEnable,user.getEnable())
                .like(Objects.nonNull(user.getUsername()), User::getUsername, user.getUsername());
        page(page, lambdaQueryWrapper);
        return page;
    }

    /**
     * 新增数据
     *
     * @param user 实例对象
     * @return 实例对象
     */
    @Override
    public User insert(User user) {
        save(user);
        return user;
    }

    /**
     * 修改数据
     *
     * @param user 实例对象
     * @return 实例对象
     */
    @Override
    public User update(User user) {
        update(user);
        return user;
    }

    /**
     * 通过主键删除数据
     *
     * @param id 主键
     * @return 是否成功
     */
    @Override
    public boolean deleteById(Long id) {
        return deleteById(id);
    }
}