導出Excel

package com.testoutexcel;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import jxl.read.biff.BiffException;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;

public class TestInExcel {
 public static void main(String[] args) {
  upload();
 }
 
 public static void upload() {
  InputStream is = null;
  jxl.Workbook book = null;
  OutputStream os = null;
  jxl.write.WritableWorkbook newBook = null;
  jxl.write.WritableSheet newSheet = null;
  try {
   //創建工作薄
   is = new FileInputStream("f://t.xls");
   book = jxl.Workbook.getWorkbook(is);
   //is.read();
   //獲取所有的工作表
   jxl.Sheet[] sheets = book.getSheets();
   
//int sheetCount = sheets.length;
System.out.println("獲取所有工作表成功");
   //創建寫入準備工作的book
   os = new FileOutputStream("f://test2.xls");
   newBook = jxl.Workbook.createWorkbook(os);
   //遍歷循環每個工作表
   for(int i = 0;i < sheets.length; i++) {
    jxl.Sheet sheet = (jxl.Sheet)book.getSheet(i);
System.out.println("獲取每個工作表成功");
    //獲取每個表的名稱
    String sheetName = sheet.getName();
    
    //創建寫入準備工作的sheet
    newSheet = newBook.createSheet(sheetName, i);
    
    //獲取表中的總列數
    int columnCount = sheet.getColumns();
    //獲取表中的總行數
    int rowCount = sheet.getRows();
    
    //循環遍歷每個單元格
    for(int c = 0;c < columnCount;c++) {
     for(int r = 0;r < rowCount;r++) {
      //取出每個單元格
      jxl.Cell cell = sheet.getCell(c, r);
System.out.println("取出每個單元格成功");
      //獲取每個單元格的超簡單信息
      String cellCont = cell.getContents();
      jxl.CellType cellType = cell.getType();
System.out.println("--------------------");

      //打印出每個單元格的超簡單信息
      System.out.println(cellCont + "    and    " + cellType);
      
      
      //寫入到一個新的文件中
      try {
       jxl.write.Label lable = new jxl.write.Label(c,r,cellCont);
       newSheet.addCell(lable);
      } catch (RowsExceededException e) {
       e.printStackTrace();
      } catch (WriteException e) {
       e.printStackTrace();
      }
     }
    }
   }
   newBook.write();
   try {
    newBook.close();
   } catch (WriteException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
   os.flush();
   os.close();
   
  } catch (FileNotFoundException e) {
   e.printStackTrace();
  } catch (BiffException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  } finally {
   //關閉讀取相關
   if(book != null)
    book.close();
   if(is != null)
    try {
     is.close();
    } catch (IOException e) {
     e.printStackTrace();
    }
//關閉寫入相關
//   if(os != null)
//    try {
//     os.close();
//    } catch (IOException e1) {
//     e1.printStackTrace();
//    }
//   if(newBook != null)
//    try {
//     newBook.close();
//    } catch (WriteException e) {
//     e.printStackTrace();
//    } catch (IOException e) {
//     e.printStackTrace();
//    }
  }
 }
}