步骤一:创建Excel工作簿 首先,我们需要创建一个Excel工作簿。工作簿是Excel文件的最顶层结构,它包含了多个工作表。 // 导入需要的类importorg.apache.poi.ss.usermodel.Workbook;importorg.apache.poi.xssf.usermodel.XSSFWorkbook;// 创建工作簿Workbookworkbook=newXSSFWorkbook(); 1. 2. 3. 4. 5. 6. 上面的...
Java将数据写入Excel,把这个方法封装了WriteToExcel View Code 将excel转换为csv 1importorg.apache.commons.io.FilenameUtils;2importorg.apache.poi.ss.usermodel.Cell;3importorg.apache.poi.xssf.usermodel.XSSFCell;4importorg.apache.poi.xssf.usermodel.XSSFRow;5importorg.apache.poi.xssf.usermodel.XSSFSheet;...
那么接下就是重点了:将数据写入excel表 publicstaticvoidwriteToExcel(List<User>users){ WritableWorkbook wwb=null;try{intk=0;//创建可写入的Excel工作簿,文件路径自定义String fileName = "E://hb2.xls"; File file=newFile(fileName);if(!file.exists()) { file.createNewFile(); } wwb=Workbook.crea...
Using you code, I created a working program that initialize a Excel file Writesheet.xlsx with 5 rows each row contains 5 Cells. Also, I created a List that contains 5 strings. Then I usedgetList(List<ExportReport> listcriteria)method to write the content of this List on Writesheet.xlsx ...
importorg.apache.poi.ss.usermodel.*;importorg.apache.poi.xssf.usermodel.XSSFWorkbook;importjava.io.FileOutputStream;importjava.io.IOException;publicclassWriteToExcel{publicstaticvoidmain(String[]args)throwsIOException{// 创建工作簿Workbookworkbook=newXSSFWorkbook();// 创建工作表Sheetsheet=workbook.create...
studentScore:list){createCell(studentScore,sheet);}FilexlsFile=newFile(fileName);try{// 或者以流的形式写入文件 workbook.write(new FileOutputStream(xlsFile));workbook.write(xlsFile);}catch(IOExceptione){// TODO}finally{try{workbook.close();}catch(IOExceptione){// TODO}}}// 创建Excel的一行...
I want to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it? I want to do the following: for(i=0; ...
从Excel读取数据 导出数据到Excel Excel模板填充 正文 首先第一步得先导入EasyExcel的Jar包 <dependency> <groupId>com.alibaba</groupId> <artifactId>easyexcel</artifactId> <version>2.2.4</version> </dependency> <!--xls--> <dependency> <groupId>org.apache.poi</groupId> ...
ExcelDataVO.java封装了读取或写入时每一“行”的数据; MainTest.java是示例程序的入口类,其中演示了读取和写入Excel数据的整个过程; 2.2 读取数据 示例程序需要从桌面读取 readExample.xlsx 内的数据,readExample.xlsx 的内容如下: 读取Excel时主要调用ExcelReader.java类来读取和解析Excel的具体内容,这里以读取系统文...
在Java中写入Excel可以使用Apache POI库来实现。Apache POI是一个开源的Java库,用于处理Microsoft Office格式的文件,包括Excel。 要在Java中写入E...