我们先定义一个ExcelReader类,用于读取Excel文件的内容。 importorg.apache.poi.ss.usermodel.*;importjava.io.FileInputStream;importjava.io.IOException;importjava.util.Iterator;publicclassExcelReader{publicvoidreadExcel(Stringfile
在ExcelReader类的readExcel方法中,需要读取Excel文件的内容并将其转换成Java对象。以下是读取Excel文件的关键代码: FileInputStreamfis=newFileInputStream(newFile(filePath));Workbookworkbook=WorkbookFactory.create(fis);Sheetsheet=workbook.getSheetAt(0);List<MyObject>myObjects=newArrayList<>();for(Rowrow:sheet...
import org.apache.poi.xssf.usermodel.XSSFWorkbook; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.util.Iterator; public class ExcelReader { public static void main(String[] args) { try (FileInputStream fis = new FileInputStream(new File("path/to...
ExcelReader excelReader = ExcelUtil.getReader(file); List<List<Object>> read = excelReader.read(); System.out.println(read); Map<Integer, List<ExcelPicUtil.ExcelPic>> excelPicMap = ExcelPicUtil.getExcelPic(excelReader, excelPic -> { // todo ... 自己实现读取到这个图片时做啥 }); Strin...
JAVAEXCELREADER Excel library to import Excel files 24-hour email/phone support 30-day, free of charge, installation support 30-day money back guarantee ORDER NOW TRY FREE TRIAL Integration with Features EasyXLS™ supports XLSX, XLSM, XLSB, XLS, XML, HTML, CSV, TXT file formats and is co...
FileOutputStreamfos=newFileOutputStream("统计表.xls"); wb.write(fos); // 5. 关闭流 fos.close(); System.out.println("Excel写入完成"); } 可以看到,已经成功写入Excel 2003文件。 Excel 2007 写操作与Excel 2003类似,只要将工作簿HSSFWorkbook改为XSSFWorkbook即可。
public class ExcelReader { public static void main(String[] args) { try { // 创建输入流 FileInputStream fis = new FileInputStream(path/to/excel/file.xlsx); // 打开Excel文件 Workbook workbook = WorkbookFactory.create(fis); // 选择工作表 ...
import java.io.FileInputStream; import java.io.IOException; public class ExcelReader { public...
//根据list写入excel @Test public void simpleWrite() { // 写法1 JDK8+ // since: 3.0.0-beta1 //生成的文件名和文件所在位置 String fileName =path+"easyExcel.xlsx"; //开始写入 这里说下几个参数 //1 fileName 是一个io流 自动生成excel //2 DemoData.class根据哪个类的规则去生成excel //3...
在Java中,可以使用Apache POI库来读取Excel文件。下面是按列阅读Excel文件的示例代码: 代码语言:txt 复制 import org.apache.poi.ss.usermodel.*; import java.io.File; import java.io.FileInputStream; import java.io.IOException; public class ExcelReader { public static void main(String[] args) { try...