Java对excel表格的操作

Java对excel表格的操作

• 导包

  <dependency>
      <groupId>net.sourceforge.jexcelapi</groupId>
      <artifactId>jxl</artifactId>
      <version>2.6.12</version>
  </dependency>
  

• java对excel进行写操作

  import jxl.Workbook;
  import jxl.write.Label;
  import jxl.write.WritableSheet;
  import jxl.write.WritableWorkbook;
  import jxl.write.WriteException;
  
  import java.io.File;
  import java.io.IOException;
  
  /**
   * @ClassName: JxlWriteDemo
   * @Auyher: Ktry
   * @Date: 2020/3/16 22:45
   */
  public class JxlWriteDemo
  {
      public static void main(String[] args) throws IOException, WriteException
      {
          File xlsFile = new File("D:\\Desktop\\jxl.xls");
          // 创建一个工作簿
          WritableWorkbook workbook = Workbook.createWorkbook(xlsFile);
          // 创建一个工作表
          WritableSheet sheet = workbook.createSheet("sheet1", 0);
          for (int y = 0; y < 10; y++)
          {
              for (int x = 0; x < 10; x++)
              {
                  // 向工作表中添加数据
                  //x代表表格从左到右横向数量格
                  //y代表表格从上到下竖向数量格
                  sheet.addCell(new Label(x, y, y + "行" + x + "列"));
              }
          }
          //关闭对象
          workbook.write();
          workbook.close();
      }
  }
  

• java对excel进行读操作

  import jxl.Sheet;
  import jxl.Workbook;
  import jxl.read.biff.BiffException;
  
  import java.io.File;
  import java.io.IOException;
  
  /**
   * @ClassName: JxlReadDemo
   * @Auyher: Ktry
   * @Date: 2020/3/16 22:52
   */
  public class JxlReadDemo
  {
      public static void main(String[] args) throws BiffException, IOException
      {
          File xlsFile = new File("D:\\Desktop\\jxl.xls");
          // 获得工作簿对象
          Workbook workbook = Workbook.getWorkbook(xlsFile);
          // 获得所有工作表
          Sheet[] sheets = workbook.getSheets();
          // 遍历工作表
          if (sheets != null)
          {
              for (Sheet sheet : sheets)
              {
                  // 获得行数
                  int ys = sheet.getRows();
                  // 获得列数
                  int xs = sheet.getColumns();
                  // 读取数据
                  for (int y = 0; y < ys; y++)
                  {
                      for (int x = 0; x < xs; x++)
                      {
                          System.out.printf("%10s", sheet.getCell(x, y)
                                  .getContents());
                      }
                      System.out.println();
                  }
              }
          }
          //关闭对象
          workbook.close();
      }
  }