SpringBoot+Mybatis-Plus+PageHelper分页+多条件查询

<dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
            <version>1.4.6</version>
            <!--使用spring boot2整合 pagehelper-spring-boot-starter必须排除一下依赖
                因为pagehelper-spring-boot-starter也已经在pom依赖了mybatis与mybatis-spring
                所以会与mybatis-plus-boot-starter中的mybatis与mybatis-spring发生冲突
            -->
            <exclusions>
                <exclusion>
                    <groupId>org.mybatis</groupId>
                    <artifactId>mybatis</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.mybatis</groupId>
                    <artifactId>mybatis-spring</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

public class MoveBookQueryDto  {
    private String area;
    private String cartype;
    private Date startMoveDate;
    private Date endMoveDate;
    private String contact;
    private Integer status;
    private  int pageNum;
    private int pageSize;
}

PageInfo<MoveBooking> moveBookList(MoveBookQueryDto moveBookQueryDto);

@Override
public PageInfo<MoveBooking> moveBookList(MoveBookQueryDto moveBookQueryDto) {
    PageHelper.startPage(moveBookQueryDto.getPageNum(),moveBookQueryDto.getPageSize());
    LambdaQueryWrapper<MoveBooking> moveBookingLambdaQueryWrapper = new LambdaQueryWrapper<>();
    moveBookingLambdaQueryWrapper.eq(moveBookQueryDto.getArea()!=null,MoveBooking::getArea,moveBookQueryDto.getArea())
            .eq(moveBookQueryDto.getCartype()!=null,MoveBooking::getCartype,moveBookQueryDto.getCartype())
            .ge(moveBookQueryDto.getStartMoveDate()!=null,MoveBooking::getMovedate,moveBookQueryDto.getStartMoveDate())
            .le(moveBookQueryDto.getEndMoveDate()!=null,MoveBooking::getMovedate,moveBookQueryDto.getEndMoveDate())
            .eq(moveBookQueryDto.getContact()!=null,MoveBooking::getContact,moveBookQueryDto.getContact())
            .eq(moveBookQueryDto.getStatus()!=null,MoveBooking::getStatus,moveBookQueryDto.getStatus());
    List<MoveBooking> list = this.list(moveBookingLambdaQueryWrapper);
    if (CollectionUtils.isEmpty(list))return PageInfo.of(new ArrayList<>());
    return PageInfo.of(list);
}

@GetMapping("/list")
    public R<PageInfo<MoveBooking>> list(MoveBookQueryDto moveBookQueryDto){
        PageInfo<MoveBooking> pageInfo = moveBookingService.moveBookList(moveBookQueryDto);
        return R.success(pageInfo);
    }