java解析xls

读 
import java.io.*; 
import jxl.*; 
import jxl.write.*; 
import jxl.format.*; 

class Aa{ 
public static void main(String args[]) { 

try{ 

Workbook workbook = null; 

try { 
    workbook = Workbook.getWorkbook(new File("d:\\a.xls")); 
} catch (Exception e) { 
    throw new Exception("file to import not found!"); 
} 

Sheet sheet = workbook.getSheet(0); 
Cell cell = null; 

int columnCount=3; 
int rowCount=sheet.getRows(); 
for (int i = 0; i <rowCount; i++) { 
    for (int j = 0; j <columnCount; j++) { 
        //注意，这里的两个参数，第一个是表示列的，第二才表示行 
        cell=sheet.getCell(j, i); 
        //要根据单元格的类型分别做处理，否则格式化过的内容可能会不正确 
        if(cell.getType()==CellType.NUMBER){ 
            System.out.print(((NumberCell)cell).getValue()); 
        } 
        else if(cell.getType()==CellType.DATE){ 
            System.out.print(((DateCell)cell).getDate()); 
        } 
        else{ 
            System.out.print(cell.getContents()); 
        } 
        
        //System.out.print(cell.getContents()); 
        System.out.print("\t"); 
    } 
    System.out.print("\n"); 
} 
//关闭它，否则会有内存泄露 
workbook.close(); 
}catch(Exception e){ 

} 

} 
} 

写 
import java.io.*; 
import jxl.*; 
import jxl.write.*; 
import jxl.format.*; 

class Aa{ 
public static void main(String args[]) { 

try{ 

File tempFile=new File("d:" + java.io.File.separator + "output00.xls"); 
System.out.println( "d:" + java.io.File.separator + "output00.xls" ); 

WritableWorkbook workbook = Workbook.createWorkbook(tempFile); 
WritableSheet sheet = workbook.createSheet("TestCreateExcel", 0); 

//一些临时变量，用于写到excel中 
Label l=null; 
jxl.write.Number n=null; 
jxl.write.DateTime d=null; 

//预定义的一些字体和格式，同一个Excel中最好不要有太多格式 
WritableFont headerFont = new WritableFont(WritableFont.ARIAL, 12, WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLUE); 
WritableCellFormat headerFormat = new WritableCellFormat (headerFont); 

WritableFont titleFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.RED); 
WritableCellFormat titleFormat = new WritableCellFormat (titleFont); 

WritableFont detFont = new WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.BLACK); 
WritableCellFormat detFormat = new WritableCellFormat (detFont); 

NumberFormat nf=new NumberFormat("0.00000");  //用于Number的格式 
WritableCellFormat priceFormat = new WritableCellFormat (detFont, nf); 

DateFormat df=new DateFormat("yyyy-MM-dd");//用于日期的 
WritableCellFormat dateFormat = new WritableCellFormat (detFont, df); 

//剩下的事情，就是用上面的内容和格式创建一些单元格，再加到sheet中 
l=new Label(0, 0, "用于测试的Excel文件", headerFormat); 
sheet.addCell(l); 

//add Title 
int column=0; 
l=new Label(column++, 2, "标题", titleFormat); 
sheet.addCell(l); 
l=new Label(column++, 2, "日期", titleFormat); 
sheet.addCell(l); 
l=new Label(column++, 2, "货币", titleFormat); 
sheet.addCell(l); 
l=new Label(column++, 2, "价格", titleFormat); 
sheet.addCell(l); 

//add detail 
int i=0; 
column=0; 
l=new Label(column++, i+3, "标题 "+i, detFormat); 
sheet.addCell(l); 
d=new DateTime(column++, i+3, new java.util.Date(), dateFormat); 
sheet.addCell(d); 
l=new Label(column++, i+3, "CNY", detFormat); 
sheet.addCell(l); 
n=new jxl.write.Number(column++, i+3, 5.678, priceFormat); 
sheet.addCell(n); 

i++; 
column=0; 
l=new Label(column++, i+3, "标题 "+i, detFormat); 
sheet.addCell(l); 
d=new DateTime(column++, i+3, new java.util.Date(), dateFormat); 
sheet.addCell(d); 
l=new Label(column++, i+3, "SGD", detFormat); 
sheet.addCell(l); 
n=new jxl.write.Number(column++, i+3, 98832, priceFormat); 
sheet.addCell(n); 

//设置列的宽度 
column=0; 
sheet.setColumnView(column++, 20); 
sheet.setColumnView(column++, 20); 
sheet.setColumnView(column++, 10); 
sheet.setColumnView(column++, 20); 

workbook.write(); 
workbook.close(); 
}catch(Exception e){ 

} 

} 
}