Java导入导出Excel

pom.xml

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi</artifactId>
    <version>3.16</version>
</dependency>

实例

import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
...
HSSFWorkbook workbook = new HSSFWorkbook(); // 工作表
HSSFSheet sheet = workbook.createSheet();   // 表页
HSSFRow row = sheet.createRow(0);           // 单元行

row.createCell(0).setCellValue("编号");
row.createCell(1).setCellValue("产品名称");
row.createCell(2).setCellValue("星级");
row.createCell(3).setCellValue("单价");
row.createCell(4).setCellValue("图片");
row.createCell(5).setCellValue("所属类别");
row.createCell(6).setCellValue("类别排名");

for (int i = 0; i < infos.size(); i++) {
    ProductInfo info = infos.get(i);
    row = sheet.createRow(i + 1);
    row.createCell(0).setCellValue("No." + i);
    row.createCell(1).setCellValue(info.getName());
    row.createCell(2).setCellValue(info.getStar());
    row.createCell(3).setCellValue(info.getPrice());
    row.createCell(4).setCellValue(info.getImage());
    row.createCell(5).setCellValue(info.getType());
    row.createCell(6).setCellValue(info.getRanking());
}

try {
    FileOutputStream fos = new 
    FileOutputStream("/Users/vincent/Desktop/Test.xls");
    workbook.write(fos);
    fos.close();
} catch (Exception e) {
    e.printStackTrace();
}