读Excel:https://github.com/alibaba/easyexcel/blob/master/easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/read/ReadTest.java 写Excel:https://github.com/alibaba/easyexcel/blob/master/easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java Web上传、下载:https:...
import java.io.InputStream; import java.util.ArrayList; import java.util.List; import jxl.Sheet; import jxl.Workbook; import jxl.read.biff.BiffException; public class ReadExcel { public static void main(String[] args) { ReadExcel obj = new ReadExcel(); // 此处为我创建Excel路径:E:/zhanhj...
First, we open the file we want to read and convert it into aFileInputStreamfor further processing.FileInputStreamconstructor throws ajava.io.FileNotFoundExceptionso we need to wrap it around a try-catch block and close the stream at the end: publicstaticvoidreadExcel(String filePath){Filefi...
import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.List; public class main { public static void main(String[] args) throws IOException{ ReadExecl re = new ReadExecl(); File file = new File("C:/Users/Administrator/Desktop/test.xls"); WriterExecl...
read(Class, startIndex, endIndex) 对象类型,开始下标,结束下标 对象列表 写入 一次性写入 最常用的方式,直接写入。 ExcelBs.newInstance("excel文件路径").write(Collection>) 多次写入 有时候我们要多次构建对象列表,比如从数据库中分页读取。 则可以使用如下的方式: ...
public void ReadExcelWithMultipleThreads(string filePath, string worksheetName) { var workbook = new XSSFWorkbook(filePath); var worksheet = workbook.GetSheet(worksheetName); var range = new CellRangeAddress(1, worksheet.LastRowNum, 0, worksheet.GetRow(0).LastCellNum - 1); // 获取单元格范围 ...
endsWith(XLS)) { POIFSFileSystem poifsFileSystem = new POIFSFileSystem(in); book = new HSSFWorkbook(poifsFileSystem); } else { return null; } in.close(); return book; } private static JSONArray readSheet(Sheet sheet) { // 首行下标 int rowStart = sheet.getFirstRowNum(); // 尾行...
sheet().doRead(); } 写Excel demo代码地址:https://github.com/alibaba/easyexcel/blob/master/easyexcel-test/src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java 详细文档地址:https://easyexcel.opensource.alibaba.com/docs/current/quickstart/write /** * 最简单的写 * 1. 创建excel...
excel.exception.ExcelDataConvertException;import lombok.extern.slf4j.Slf4j;import org.json.JSONObject;import java.util.ArrayList;import java.util.List;import java.util.Objects;@Slf4jpublic class ObjectListener extends AnalysisEventListener<Object> { // 读取到的数据 private List<Object> readData...
read(filePath, User.class); 信息 [User{name='hello', age=20}, User{name='excel', age=19}] SAX 读 // 待生成的 excel 文件路径 final String filePath = PathUtil.getAppTestResourcesPath()+"/excelReadBySax.xls"; AbstractSaxReadHandler<User> saxReadHandler = new AbstractSaxReadHandler<...