SpringBoot+Mybatis-plus实现分页查询的示例代码

@Data
@AllArgsConstructor
@NoArgsConstructor
@Api(tags = "用户查询列表")
public class QueryUserDto extends PageDto {

    @ApiModelProperty(value = "账号")
    private String account;
    @ApiModelProperty(value = "用户姓名")
    private String accName;
   @ApiModelProperty(value = "手机号")
    private String accPhone;
    @ApiModelProperty(value = "是否启用(1:启用,0:停用)")
    private Integer isEnable;
}

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Data
@Setter
@ApiModel(value = "分页对象" ,description = "分页查询实体")
@NoArgsConstructor
public class PageDto {
    @ApiModelProperty(value = "页码",required = true)
    private  Integer PageNumber=1;
    @ApiModelProperty(value = "每页显示数量",required = true)
    private  Integer PageSize=10;
    @ApiModelProperty("排序字段")
    private  String sortBy;
    @ApiModelProperty("排序方式")
    private  Boolean isAsc;

}

import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.util.List;
@Data
public class PageVO<T> {
   @ApiModelProperty(value = "每页显示的条数")
    private  Long size =10L;
   @ApiModelProperty(value = "当前页")
    private Long current=1L;
   @ApiModelProperty(value = "总条数")
    private Long total;
   @ApiModelProperty(value = "总页数")
    private Long pages;
   @ApiModelProperty(value = "分页数据")
    private List<T> records;
}

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class MyBatisConfig {

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor(){
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }
}

 @Override
    public R<?> PageUser(QueryUserDto queryUserDto)  {

        Page<AccountInfo> userPage = new Page<>(queryUserDto.getPageNumber(), queryUserDto.getPageSize());

        LambdaQueryWrapper<AccountInfo> queryWrapper =new LambdaQueryWrapper<>();
        if(queryUserDto.getIsEnable()!=null){
            queryWrapper.eq(AccountInfo::getIsEnable,queryUserDto.getIsEnable());
        }

        String accName=queryUserDto.getAccName();
        if (StringUtils.isNotBlank(accName)){
            accName=accName.trim();
            queryWrapper.like(AccountInfo::getAccName,accName);
        }
        String accPhone=queryUserDto.getAccPhone();
        if (StringUtils.isNotBlank(accPhone)){
            accPhone=accPhone.trim();
            queryWrapper.like(AccountInfo::getAccPhone,accPhone);
        }
        String account=queryUserDto.getAccount();
        if (StringUtils.isNotBlank(account)){
            account=account.trim();
            queryWrapper.like(AccountInfo::getAccount,account);
        }


        Page<AccountInfo> page = page(userPage,queryWrapper);

   

        PageVO<AccountInfo> userPageVO = new PageVO<>();
        BeanUtils.copyProperties(page,userPageVO);
        return R.Success("查询成功",userPageVO);
    }