匯入邏輯

public ResultMsg importUser(MultipartFile file) throws Exception {
        ImportParams params = new ImportParams();
        params.setHeadRows(1);
        List<UserImportExcel> list = ExcelImportUtil.importExcel(file.getInputStream(), UserImportExcel.class, params);
        list.forEach(user 
 
-> log.info(JSONObject.toJSONString(user)));
        return null;
    }

匯出邏輯

public void exportUser(@RequestBody ListUser param, HttpServletResponse response) throws IOException {
        List<UserExportExcel> result = service.listNoLimit(param);
        response.setContentType("application/vnd.ms-excel");
        response.setHeader(
 
"Content-disposition", "attachment;filename=myExcel.xls");
        @Cleanup
        OutputStream ouputStream = null;
        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams("使用者匯出", "使用者"), UserExportExcel.class, result);
        try {
            ouputStream = response.getOutputStream();
            workbook.write(ouputStream);
        } 
 
catch (IOException e) {
            throw e;
        } finally {
            IOUtils.closeQuietly(ouputStream);
            IOUtils.closeQuietly(workbook);
        }
    }

操作實體類

package com.user.model;

import cn.afterturn.easypoi.excel.annotation.Excel;
import lombok.Data;

/**
 * @author SZRD_A2 SXT
 * @version V1.0
 * @date 2020/12/29 0029 15:48
 */

@Data
public class UserImportExcel {

    @Excel(name = "姓名", width = 24, fixedIndex = 1)
    private String name;

    @Excel(name = "工號", width = 24, fixedIndex = 2)
    private String id;

    @Excel(name = "手機號", width = 24, fixedIndex = 3)
    private String phone;

    @Excel(name = "部門", width = 24, fixedIndex = 4)
    private String department;
}

maven配置

<properties>

<easypoi.version>4.2.0</easypoi.version>
<apache.poi.version>4.1.2</apache.poi.version>

</properties>

<dependencies>

<!-- easypoi -->
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-base</artifactId>
            <version>${easypoi.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>com.google.guava</groupId>
                    <artifactId>guava</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-web</artifactId>
            <version>${easypoi.version}</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-annotation</artifactId>
            <version>${easypoi.version}</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>${apache.poi.version}</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>${apache.poi.version}</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml-schemas -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml-schemas</artifactId>
            <version>${apache.poi.version}</version>
        </dependency>

</dependencies>