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

public static String createSheet() throws IOException, RowsExceededException, WriteException {String str[][] = {{"姓名","编号"},{"终结者","54321"}};  File f = new File("test.xls");  WritableWorkbook workbook = Workbook.createWorkbook(f);  WritableSheet sheet = workbook.createSheet("sheet1", 0);  Label lab = null;  for(int i=0;i<str.length;i++){  for(int j=0;j<str[i].length;j++){  lab = new Label(j,i,str[i][j]); //Label(col,row,str);
                sheet.addCell(lab);  }  }  workbook.write();  workbook.close();return "1";}

public static String readSheet() throws BiffException, IOException {Workbook workbook = Workbook.getWorkbook(new File("test.xls"));  Sheet sheet[] = workbook.getSheets();  String lab = null;  for(int a=0;a<sheet.length;a++){  for(int i=0;i<sheet[a].getRows();i++){  for(int j=0;j<sheet[a].getColumns();j++){  lab = sheet[a].getCell(j,i).getContents();  System.out.print(lab+"、");  }  System.out.println();  }  }  return "1";}

package com.lfy.cn.JexcelapiTest;import java.io.IOException;import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import jxl.read.biff.BiffException;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;/*** Unit test for simple App.*/
public class AppTest extends TestCase
{/*** Create the test case** @param testName name of the test case*/public AppTest( String testName ){super( testName );}/*** @return the suite of tests being tested*/public static Test suite(){return new TestSuite( AppTest.class );}/*** Rigourous Test :-)*/public void testApp(){String res="0";
//        try {
//            res=App.createSheet();
//        } catch (RowsExceededException e) {
//            e.printStackTrace();
//        } catch (WriteException e) {
//            e.printStackTrace();
//        } catch (IOException e) {
//            e.printStackTrace();
//        }try {res=App.readSheet();} catch (BiffException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}assertEquals("1",res);}
}