JAVA EasyPOI导出,超简单使用

EasyPOI是针对POI进一步的封装

pom.xml添加依赖:

<!--easypoi-->
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-base</artifactId>
            <version>3.0.1</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-web</artifactId>
            <version>3.0.1</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-annotation</artifactId>
            <version>3.0.1</version>
        </dependency>

EasyPoiUtils:

package com.shentb.hmb.utils;

import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.ExcelImportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
import com.shentb.hmb.bean.ExportLogVO;
import com.shentb.hmb.service.IExportLogService;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.PostConstruct;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;

@Component
public class EasyPoiUtils {

    @Autowired
    IExportLogService exportLogService;

    private static EasyPoiUtils EasyPoiUtils;

    @PostConstruct
    public void init() {
        EasyPoiUtils = this;
    }

    public static void sellerExportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName, HttpServletResponse response) {
        defaultExport(list, pojoClass, fileName, response, new ExportParams(title, sheetName));
    }

    /**
     * 功能描述：复杂导出Excel，包括文件名以及表名。创建表头
     *
     * @param list 导出的实体类
     * @param title 表头名称
     * @param sheetName sheet表名
     * @param pojoClass 映射的实体类
     * @param isCreateHeader 是否创建表头
     * @param fileName
     * @param response
     * @return
     */
    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName, boolean isCreateHeader, HttpServletResponse response) {
        ExportParams exportParams = new ExportParams(title, sheetName);
        exportParams.setCreateHeadRows(isCreateHeader);
        defaultExport(list, pojoClass, fileName, response, exportParams);
    }


    /**
     * 功能描述：复杂导出Excel，包括文件名以及表名,不创建表头
     *
     * @param list 导出的实体类
     * @param title 表头名称
     * @param sheetName sheet表名
     * @param pojoClass 映射的实体类
     * @param fileName
     * @param response
     * @return
     */
    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName, HttpServletResponse response,Integer userMasterId) {
        defaultExport(list, pojoClass, fileName, response, new ExportParams(title, sheetName));
        //导出日志
        ExportLogVO exportLogVO = new ExportLogVO();
        exportLogVO.setUserMasterId(userMasterId);
        exportLogVO.setCreateTime(new Date());
        exportLogVO.setExportTypeName(title);
        exportLogVO.setFileName(fileName);
        EasyPoiUtils.exportLogService.insert(exportLogVO);
    }

    /**
     * 功能描述：Map 集合导出
     *
     * @param list 实体集合
     * @param fileName 导出的文件名称
     * @param response
     * @return
     */
    public static void exportExcel(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {
        defaultExport(list, fileName, response);
    }

    /**
     * 功能描述：默认导出方法
     *
     * @param list 导出的实体集合
     * @param fileName 导出的文件名
     * @param pojoClass pojo实体
     * @param exportParams ExportParams封装实体
     * @param response
     * @return
     */
    private static void defaultExport(List<?> list, Class<?> pojoClass, String fileName, HttpServletResponse response, ExportParams exportParams) {
        Workbook workbook = ExcelExportUtil.exportExcel(exportParams, pojoClass, list);
        if (workbook != null) {
            downLoadExcel(fileName, response, workbook);
        }
    }

    /**
     * 功能描述：Excel导出
     *
     * @param fileName 文件名称
     * @param response
     * @param workbook Excel对象
     * @return
     */
    private static void downLoadExcel(String fileName, HttpServletResponse response, Workbook workbook) {
        try {
            response.setCharacterEncoding("UTF-8");
            response.setHeader("content-Type", "application/vnd.ms-excel");
            response.setHeader("Content-Disposition", "attachment;filename=" +URLEncoder.encode(fileName, "UTF-8") );
            workbook.write(response.getOutputStream());

        } catch (IOException e) {
            throw new  RuntimeException(e);
        }
    }

    /**
     * 功能描述：默认导出方法
     *
     * @param list 导出的实体集合
     * @param fileName 导出的文件名
     * @param response
     * @return
     */
    private static void defaultExport(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {
        Workbook workbook = ExcelExportUtil.exportExcel(list, ExcelType.HSSF);
        if (workbook != null) ;
        downLoadExcel(fileName, response, workbook);
    }


    /**
     * 功能描述：根据文件路径来导入Excel
     *
     * @param filePath 文件路径
     * @param titleRows 表标题的行数
     * @param headerRows 表头行数
     * @param pojoClass Excel实体类
     * @return
     */
    public static <T> List<T> importExcel(String filePath, Integer titleRows, Integer headerRows, Class<T> pojoClass) {
        //判断文件是否存在
        if (StringUtils.isBlank(filePath)) {
            return null;
        }
        ImportParams params = new ImportParams();
        params.setTitleRows(titleRows);
        params.setHeadRows(headerRows);
        List<T> list = null;
        try {
            list = ExcelImportUtil.importExcel(new File(filePath), pojoClass, params);
        } catch (NoSuchElementException e) {
            throw new RuntimeException("模板不能为空");
        } catch (Exception e) {
            e.printStackTrace();

        }
        return list;
    }

    /**
     * 功能描述：根据接收的Excel文件来导入Excel,并封装成实体类
     *
     * @param file 上传的文件
     * @param titleRows 表标题的行数
     * @param headerRows 表头行数
     * @param pojoClass Excel实体类
     * @return
     */
    public static <T> List<T> importExcel(MultipartFile file, Integer titleRows, Integer headerRows, Class<T> pojoClass) {
        if (file == null) {
            return null;
        }
        ImportParams params = new ImportParams();
        params.setTitleRows(titleRows);
        params.setHeadRows(headerRows);
        List<T> list = null;
        try {
            list = ExcelImportUtil.importExcel(file.getInputStream(), pojoClass, params);
        } catch (NoSuchElementException e) {
            throw new RuntimeException("excel文件不能为空");
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());

        }
        return list;
    }
}

直接调用

try {
            List<SellerVO> sellerVOList = sellerService.easyPoiExport(map);
            String typeName = "全部商家";
            String fileName = typeName + "-" + new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + ".xls";
            EasyPoiUtils.exportExcel(sellerVOList, "全部商家", typeName, SellerVO.class, fileName, response, userMasterVO.getId());
        } catch (Exception e) {
            e.printStackTrace();
            return StringUtil.getReturnMsg(false, "导出失败");
        }
        return StringUtil.getReturnMsg(true, "导出成功");

实体类需要标注导出的字段:

package com.shentb.hmb.bean;

import cn.afterturn.easypoi.excel.annotation.Excel;
import cn.afterturn.easypoi.excel.annotation.ExcelIgnore;
import com.alibaba.fastjson.annotation.JSONField;

import java.sql.Timestamp;
import java.util.List;

public class SellerVO {
    /**
     * 商户ID
     */
//    @ExcelIgnore
    @Excel(name = "ID",height = 11, width = 15)
    private int id;
    /**
     * 商户电话
     */
    @Excel(name = "账号",height = 11, width = 15)
    private String phoneNo;
    /**
     * 商户名称
     */
    @Excel(name = "商户名称",height = 11, width = 15)
    private String name;
    /**
     * 商户编码
     */
    private String sellerCode;
    /**
     * 微信号
     */
    private String weixin;
    /**
     * 商户头像
     */
    private String headPic;
    /**
     * 商户头像新的存储路径（fastdfs）
     */
    private String newHeadPic;
    /**
     * 商户token
     */
    private String token;
    /**
     * 商户创建时间
     */
    @Excel(name = "开户时间",height = 11, width = 15)
    private Timestamp createTime;
    /**
     * token时间
     */
    private Timestamp tokenTime;
    /**
     * 记录更新时间
     */
    private Timestamp updateTime;

    /**
     * 外部系统类型
     */
    private String source;

    /**
     * 商户密码
     */
    private String password;

    /**
     * 父账号ID
     */
    private int parentID;

    /**
     * 头像rul
     */
    private String headPicUrl;

    /**
     * 商户状态 0 ：冻结 1 ：可用
     */
    @Excel(name = "状态",replace = {"冻结_0", "已激活_1"},height = 11, width = 15)
    private String active;

    /**
     * 创建者ID
     */
    private int creatorId;

    /**
     * 创建者code
     */
    private String userCode;
    /**
     * 创建者昵称
     */
    @Excel(name = "业务员",height = 11, width = 15)
    private String userName;

    /**
     * 当前余额
     */
    @Excel(name = "当前余额",height = 11, width = 15)
    private int balance;

    /**
     * 累积充值金额
     */
    private int recharge;

    /**
     * 商户权限
     */
    private List<SellerRoleVO> sellerRoleVOS;

    /**
     * 商家昵称
     */
    private String nickName;

    /**
     * 商家渠道类别
     * A：自己开发的商家
     * B：第三方商家介绍查询
     * C：
     */
    @Excel(name = "类型",height = 11, width = 15)
    private String channelType;

    /**
     * 商户QQ号
     */
    private String qq;

    /**
     * 财务身份证
     */
    private String idCard;
    /**
     * 财务姓名
     */
    private String realName;
    /**
     * 财务实名认证时的银行卡预留手机号
     */
    private String bankPhone;
    /**
     * 财务银行卡号
     */
    private String bankCard;
    /**
     * 邮箱
     */
    private String mail;
    /**
     * 签约时财务需要提供的手写签名
     */
    private String manualSign;
    /**
     * 手签新的存储地址
     */
    private String newManualSign;
    /**
     * 消费总金额
     */
    private int consumption;
    /**
     * 累计赠送金额
     */
    private int donation;
    /**
     * 财务是否CFCA认证
     */
    private String isCFCA;

    /**
     * 冻结时间
     */
    private Timestamp frozenTime;

    /**
     * 是否有系统费 是否有系统费 1有 2没有  ==>SysCost.java
     */
    private Integer sysCost;

    /**
     * 系统有效期 当sysCost为1时  存在系统有效期;
     */
    private Timestamp sysCostTime;

    /**
     * 剩余本金金额
     */
    private long surplusRecharge;
    /**
     * 剩余赠送金额
     */
    private long surplusDonation;

    public String getNewHeadPic() {
        return newHeadPic;
    }

    public void setNewHeadPic(String newHeadPic) {
        this.newHeadPic = newHeadPic;
    }

    public String getNewManualSign() {
        return newManualSign;
    }

    public void setNewManualSign(String newManualSign) {
        this.newManualSign = newManualSign;
    }

    public String getIsCFCA() {
        return isCFCA;
    }

    public void setIsCFCA(String isCFCA) {
        this.isCFCA = isCFCA;
    }

    public String getQq() {
        return qq;
    }

    public void setQq(String qq) {
        this.qq = qq;
    }

    public String getIdCard() {
        return idCard;
    }

    public void setIdCard(String idCard) {
        this.idCard = idCard;
    }

    public String getRealName() {
        return realName;
    }

    public void setRealName(String realName) {
        this.realName = realName;
    }

    public String getBankPhone() {
        return bankPhone;
    }

    public void setBankPhone(String bankPhone) {
        this.bankPhone = bankPhone;
    }

    public String getBankCard() {
        return bankCard;
    }

    public void setBankCard(String bankCard) {
        this.bankCard = bankCard;
    }

    public String getMail() {
        return mail;
    }

    public void setMail(String mail) {
        this.mail = mail;
    }

    public String getManualSign() {
        return manualSign;
    }

    public void setManualSign(String manualSign) {
        this.manualSign = manualSign;
    }

    public String getNickName() {
        return nickName;
    }

    public void setNickName(String nickName) {
        this.nickName = nickName;
    }

    public String getChannelType() {
        return channelType;
    }

    public void setChannelType(String channelType) {
        this.channelType = channelType;
    }

    @JSONField(name = "roles")
    public List<SellerRoleVO> getSellerRoleVOS() {
        return sellerRoleVOS;
    }

    public void setSellerRoleVOS(List<SellerRoleVO> sellerRoleVOS) {
        this.sellerRoleVOS = sellerRoleVOS;
    }

    public String getSellerCode() {
        return sellerCode;
    }

    public void setSellerCode(String sellerCode) {
        this.sellerCode = sellerCode;
    }

    public String getWeixin() {
        return weixin;
    }

    public void setWeixin(String weixin) {
        this.weixin = weixin;
    }

    public String getActive() {
        return active;
    }

    public void setActive(String active) {
        this.active = active;
    }

    public int getCreatorId() {
        return creatorId;
    }

    public void setCreatorId(int creatorId) {
        this.creatorId = creatorId;
    }

    public String getSource() {
        return source;
    }

    public void setSource(String source) {
        this.source = source;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getPhoneNo() {
        return phoneNo;
    }

    public void setPhoneNo(String phoneNo) {
        this.phoneNo = phoneNo;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getHeadPic() {
        return headPic;
    }

    public void setHeadPic(String headPic) {
        this.headPic = headPic;
    }

    public String getToken() {
        return token;
    }

    public void setToken(String token) {
        this.token = token;
    }

    public Timestamp getCreateTime() {
        return createTime;
    }

    public void setCreateTime(Timestamp createTime) {
        this.createTime = createTime;
    }

    public Timestamp getTokenTime() {
        return tokenTime;
    }

    public void setTokenTime(Timestamp tokenTime) {
        this.tokenTime = tokenTime;
    }

    public Timestamp getUpdateTime() {
        return updateTime;
    }

    public void setUpdateTime(Timestamp updateTime) {
        this.updateTime = updateTime;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public int getParentID() {
        return parentID;
    }

    public void setParentID(int parentID) {
        this.parentID = parentID;
    }

    public String getHeadPicUrl() {
        return headPicUrl;
    }

    public void setHeadPicUrl(String headPicUrl) {
        this.headPicUrl = headPicUrl;
    }

    public String getUserCode() {
        return userCode;
    }

    public void setUserCode(String userCode) {
        this.userCode = userCode;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public int getBalance() {
        return balance;
    }

    public void setBalance(int balance) {
        this.balance = balance;
    }

    public int getRecharge() {
        return recharge;
    }

    public void setRecharge(int recharge) {
        this.recharge = recharge;
    }

    public int getConsumption() {
        return consumption;
    }

    public void setConsumption(int consumption) {
        this.consumption = consumption;
    }

    public int getDonation() {
        return donation;
    }

    public void setDonation(int donation) {
        this.donation = donation;
    }

    public Timestamp getFrozenTime() {
        return frozenTime;
    }

    public void setFrozenTime(Timestamp frozenTime) {
        this.frozenTime = frozenTime;
    }

    public Integer getSysCost() {
        return sysCost;
    }

    public void setSysCost(Integer sysCost) {
        this.sysCost = sysCost;
    }

    public Timestamp getSysCostTime() {
        return sysCostTime;
    }

    public void setSysCostTime(Timestamp sysCostTime) {
        this.sysCostTime = sysCostTime;
    }

    public long getSurplusRecharge() {
        return surplusRecharge;
    }

    public void setSurplusRecharge(long surplusRecharge) {
        this.surplusRecharge = surplusRecharge;
    }

    public long getSurplusDonation() {
        return surplusDonation;
    }

    public void setSurplusDonation(long surplusDonation) {
        this.surplusDonation = surplusDonation;
    }

    @Excel(name = "权限",height = 11, width = 15)
    private String permission="主商户";

    public String getPermission() {
        return permission;
    }

    public void setPermission(String permission) {
        this.permission = permission;
    }
}

结果:

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