int res =checkFile(file); if (res ==0) { throw new NullPointerException("the file is null."); }else if (res ==1) { returnreadXLSX(file); }else if (res ==2) { returnreadXLS(file); } throw new IllegalAccessError("the file["+file.getName()+"] is not excel file."); } p...
4,创建导出Excel的工具类 packagecom.sanmi.active.fission.base.util;importorg.apache.poi.xssf.usermodel.XSSFRow;importorg.apache.poi.xssf.usermodel.XSSFSheet;importorg.apache.poi.xssf.usermodel.XSSFWorkbook;importjavax.servlet.http.HttpServletResponse;importjava.io.IOException;importjava.lang.reflect.Field...
File file = null; OPCPackage pkg = null; XSSFEventBasedExcelExtractor ext = null; try { file = Paths.get("C:/Users/U574564/Ref/source/Q4_GL_Assignment v1.xlsb").toFile(); pkg = OPCPackage.open(file,PackageAccess.READ); ZipSecureFile.setMaxTextSize(110485766); ext = new XSSFBEvent...
二、读取Excel文件: importorg.apache.poi.ss.usermodel.*;importorg.apache.poi.xssf.usermodel.XSSFWorkbook;importjava.io.File;importjava.io.FileInputStream;importjava.io.IOException;publicclassExcelReader{publicstaticvoidmain(String[]args)throwsIOException{FileInputStreamfile=newFileInputStream(newFile("exam...
读取Excel 代码实现 exmple.xml import org.apache.poi.ss.usermodel.*; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import java.io.FileInputStream; import java.util.Iterator; public class JavaStudy { public static void readExcel(String filePath) throws Exception { ...
<groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.0.1</version> </dependency> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 2. 读取或写入Excel数据 2.1 示例程序结构说明 简单说明一下示例程序的整体结构:
读Excel,一行一行,一格一格读取,假设你有一个这样的文件,有3列,书名,作者,价格 importjava.io.File;importjava.io.FileInputStream;importjava.io.IOException;importjava.util.Iterator;importorg.apache.poi.ss.usermodel.Cell;importorg.apache.poi.ss.usermodel.Row;importorg.apache.poi.ss.usermodel.Sheet;import...
I have a relatively dumb newb question, Im trying to open an xlsx file for reading using the apache POI 3.6. XSSFWorkbook workBook = new XSSFWorkbook("C:\test.xlsx"); The xlsx file was saved in excel 2007, the error Im seeing is: Exception in thread "main" java.lang.NoClassDefFoundErr...
importorg.apache.poi.ss.usermodel.*;importjava.io.FileOutputStream;importjava.io.IOException;public...
实际工作和学习中,apache poi 操作 excel 过于复杂。 近期也看了一些其他的工具框架: easypoi easyexcel hutool-poi 都或多或少难以满足自己的实际需要,于是就自己写了一个操作 excel 导出的工具。 实现:在阿里easyexcel的基础上进行封装,提升使用的简易度。