gs分页

 

 public PageVO<IpamCompanyPageInfoVO> pageInfo(IpamCompanyQueryVO queryVO) {
        PageHelper.startPage(queryVO.getPageNum(), queryVO.getPageSize());
        List<IpamCompanyPageInfoVO> pageInfoVOS = companyMapper.pageInfo(queryVO);
        return PageUtil.getPageVO(pageInfoVOS);
    }

 

PageVO

package com.hainei.common.utils;

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

import java.io.Serializable;
import java.util.List;


@Data
public class PageVO<T> implements Serializable {

    private static final long serialVersionUID = -971521029127096030L;
    /**
     * 总记录数
     */
    @ApiModelProperty(value = "总记录数")
    private Long totalRows;

    /**
     * 总页数
     */
    @ApiModelProperty(value = "总页数")
    private Integer totalPages;

    /**
     * 当前第几页
     */
    @ApiModelProperty(value = "当前第几页")
    private Integer pageNum;
    /**
     * 每页记录数
     */
    @ApiModelProperty(value = "每页记录数")
    private Integer pageSize;
    /**
     * 当前页记录数
     */
    @ApiModelProperty(value = "当前页记录数")
    private Integer curPageSize;
    /**
     * 数据列表
     */
    @ApiModelProperty(value = "数据列表",required = true)
    private List<T> list;

}

 

PageUtil

package com.hainei.common.utils;

import com.github.pagehelper.Page;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.util.List;

/**
 * Created with IntelliJ IDEA.
 * User: lzx
 * Date: 2020/02/21
 * Time: 17:55
 * Description: No Description
 */
public class PageUtil <T>{
    private PageUtil(){}
    public static <T> PageVO<T> getPageVO(List<T> list){
        PageVO<T> result=new PageVO<>();
        if(list instanceof Page){
            Page<T> page= (Page<T>) list;
            result.setTotalRows(page.getTotal());
            result.setTotalPages(page.getPages());
            result.setPageNum(page.getPageNum());
            result.setCurPageSize(page.getPageSize());
            result.setPageSize(page.size());
            result.setList(page.getResult());
        }
        return result;
    }
}

 

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.hainei</groupId>
    <artifactId>ipam-backend</artifactId>
    <packaging>pom</packaging>
    <version>2.0-SNAPSHOT</version>
    <modules>
        <module>ipam-common</module>
        <module>ipam-pojo</module>
        <module>ipam-mapper</module>
        <module>ipam-service</module>
        <module>ipam-api</module>
        <module>ipam-service-impl</module>
    </modules>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.5.RELEASE</version>
        <relativePath />
    </parent>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>alisdk</artifactId>
            <version>1.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-websocket</artifactId>
        </dependency>

        <!-- 打包war [3] 添加依赖 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <!-- 打包war [2] 移除自带内置tomcat -->
            <exclusions>
                <exclusion>
                    <artifactId>spring-boot-starter-tomcat</artifactId>
                    <groupId>org.springframework.boot</groupId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency>

        <dependency>
            <groupId>org.apache.ant</groupId>
            <artifactId>ant</artifactId>
            <version>1.8.1</version>
        </dependency>
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz</artifactId>
            <version>2.3.0</version>
            <exclusions>
                <exclusion>
                    <groupId>com.mchange</groupId>
                    <artifactId>c3p0</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <!--fastJson-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.5</version>
        </dependency>
        <!--redis 依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-pool2</artifactId>
        </dependency>
        <!--shiro 依赖-->
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-spring</artifactId>
            <version>1.4.1</version>
        </dependency>
        <!--JWT-->
        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt</artifactId>
            <version>0.9.1</version>
        </dependency>
        <!--pagehelper -->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
            <version>1.2.12</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <!-- 通用mapper逆向工具 -->
        <dependency>
            <groupId>tk.mybatis</groupId>
            <artifactId>mapper-spring-boot-starter</artifactId>
            <version>2.1.5</version>
        </dependency>
        <!-- mysql驱动 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.41</version>
        </dependency>
        <!-- mybatis -->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.4.0</version>
        </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.4.0</version>
        </dependency>
        <dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>swagger-bootstrap-ui</artifactId>
            <version>1.6</version>
        </dependency>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.11</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-io</artifactId>
            <version>1.3.2</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
        <!--时序数据库-->
        <dependency>
            <groupId>org.influxdb</groupId>
            <artifactId>influxdb-java</artifactId>
            <version>2.15</version>
        </dependency>
    </dependencies>


</project>