Java中Excel高效解析工具EasyExcel的实践

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>easyexcel</artifactId>
    <version>3.0.5</version>
</dependency>

InputStream excelStream = ExcelToolMain.class.getClassLoader().getResourceAsStream("test-data.xls");
EasyExcel.read(excelStream, SkuModel.class, new SkuModelReadListener()).sheet().doRead();

String fileName = ExcelToolMain.getPath() + "write" + System.currentTimeMillis() + ".xlsx";
EasyExcel.write(fileName, SkuModel.class).sheet().doWrite(data());

// 文件名
String fileName = ExcelToolMain.getPath() + "fillOps" + System.currentTimeMillis() + ".xlsx";
// 数据对象
FillData fillData = new FillData();
fillData.setName("张三");
fillData.setNumber(5.2);
// 写入
EasyExcel.write(fileName).withTemplate(templateFileName).sheet().doFill(fillData);

ExcelWriter excelWriter = null;
try {
    
    // 这里 需要指定写用哪个class去写
    excelWriter = EasyExcel.write(fileName, SkuModel.class).build();
    // 这里注意 如果同一个sheet只要创建一次
    WriteSheet writeSheet = EasyExcel.writerSheet(sheet).build();
    for (int i = 0; i <  5; i++) {
        // 分页多次写
        excelWriter.write(data(), writeSheet);
    }
} finally {
    // 一定要 finish，表示文件写完毕，会关闭流
    excelWriter.finish();
}