excel解析工具类

<span style="font-family:Microsoft YaHei;font-size:14px;">public class FileExcelOperation {

private WritableWorkbook fWorkBook = null;
private WritableWorkbook newReadBook = null;
private Workbook fReadBook = null;

/**
* 创建读取EXCEL
* @param fileName
* @return
*/
public Workbook readExcel(String fileName)
{
File f = new File(fileName);
if (!f.exists())
{
throw new SystemException("文件不存在");
}
try {
fReadBook = Workbook.getWorkbook(f);
} catch (Exception e) {
throw new SystemException(e.getMessage());
}
return fReadBook;
}
/**
* 获取数据页通过索引
* TODO
*
* @param index
* @return Sheet
*
* history
*
*/
public Sheet readSheet(int index)
{
if(fReadBook == null)
{
throw new SystemException("读取EXCEL工作薄不能为空");
}
return fReadBook.getSheet(index);
}
/**
* 获取数据页通过页签
* TODO
*
* @param name
* @return Sheet
*
* history
*
*/
public Sheet readSheet(String name)
{
if(fReadBook == null)
{
throw new SystemException("读取EXCEL工作薄不能为空");
}
return fReadBook.getSheet(name);
}
public Cell getCell(Sheet activeSheet , int col , int row)
{
return activeSheet.getCell(col , row);
}

public String getCellValue(Sheet activeSheet , int col , int row)
{
return activeSheet.getCell(col , row).getContents().toString();
}
public int getRowCount(Sheet activeSheet)
{
return activeSheet.getRows();
}
public int getColumnCount(Sheet activeSheet)
{
return activeSheet.getColumns();
}
/**
* 创建写入EXCEL
* @param fileName
* @return
*/
public WritableWorkbook openExcel(String fileName)
{
if (fWorkBook == null)
{
String str = fileName.substring(0 , fileName.lastIndexOf(File.separator));
File dir = new File(str+File.separator);
if (!dir.exists())
{
dir.mkdirs();
}
}
File f = new File(fileName);
try {
fWorkBook = Workbook.createWorkbook(f);
} catch (IOException e) {
throw new SystemException(e.getMessage());
}
return fWorkBook;
}

public WritableWorkbook copeWritableWorkbook(String fileName){
String str = fileName.substring(0 , fileName.lastIndexOf(File.separator));
File dir = new File(str+File.separator);
if (!dir.exists())
{
dir.mkdirs();
}
try {
newReadBook = Workbook.createWorkbook(new File(fileName), fReadBook);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return newReadBook;
}

public WritableSheet getNewSheet(int index)
{
return newReadBook.getSheet(index);
}

public WritableSheet getSheet(int index)
{
return fWorkBook.getSheet(index);
}
public WritableSheet getSheet(String name)
{
return fWorkBook.getSheet(name);
}
public WritableSheet createSheet(String name)
{
return fWorkBook.createSheet(name, 0);
}
public WritableSheet createSheet(String name , int index)
{
return fWorkBook.createSheet(name, index);
}

public Cell getCell(WritableSheet activeSheet , int col , int row)
{
return activeSheet.getCell(col , row);
}

public String getCellValue(WritableSheet activeSheet , int col , int row)
{
return activeSheet.getCell(col , row).getContents().toString();
}
public void setCellValue(WritableSheet activeSheet , int col , int row , String value)
{
try {
activeSheet.addCell(new Label(col, row, value));
} catch (Exception e) {
throw new SystemException(e.getMessage());
}
}

public int getRowCount(WritableSheet activeSheet)
{
return activeSheet.getRows();
}
public int getColumnCount(WritableSheet activeSheet)
{
return activeSheet.getColumns();
}
/**
*
* @param activeSheet 激活页
* @param l 数据LIST
* @param cap 头LIST
* @param sort 排序LIST
* @param startRow 起始行
* @param startCol 起始列
*/

@SuppressWarnings("unused")
public void setExcelValue(WritableSheet activeSheet , List l , List cap , List sort , int startRow , int startCol)
{
if (l.size() <=0)
{
return;
}
int row = startRow ;
if (cap != null && cap.size()>0)
{
for (int i = 0 ; i<cap.size() ; i++)
{
setCellValue(activeSheet , startCol +i , startRow , cap.get(i).toString());
}

} else {
if (sort != null && sort.size()>0)
{
for (int r = 0 ; r < sort.size() ;r++)
{
Map m = (Map)l.get(0);
Iterator it = m.entrySet().iterator();
int i =0;
while(it.hasNext())
{
Map.Entry t = (Map.Entry) it.next();
if (sort.get(r).toString().equals(t.getKey().toString()))
{
setCellValue(activeSheet , startCol +r , startRow , t.getKey().toString());
i++;
break;
}
i++;

}
}
} else {
Map m = (Map)l.get(0);
Iterator it = m.entrySet().iterator();
int i =0;
while(it.hasNext())
{
Map.Entry t = (Map.Entry) it.next();
setCellValue(activeSheet , startCol +i , startRow , t.getKey().toString());
i++;
}
}
}
row += 1;

if (sort != null && sort.size()>0)
{
for (int i = 0 ; i<l.size() ; i++)
{
Map m = (Map)l.get(i);
for (int c = 0 ; c<sort.size() ; c++)
{
if (m.containsKey(sort.get(c).toString()))
{
setCellValue(activeSheet , startCol +c , row +i  , m.get(sort.get(c).toString()).toString());
}
}
}
} else {
for (int i = 0 ; i<l.size() ; i++)
{
Map m = (Map)l.get(i);
Iterator it = m.entrySet().iterator();
int r =0;
while(it.hasNext())
{
Map.Entry t = (Map.Entry) it.next();
setCellValue(activeSheet , startCol +r , row +i  , t.getValue().toString());
r ++;
}
}
}
}

public WritableSheet setSheetExcelValue(int index, int startRow, int startCol, String value)
{
WritableSheet r = null;

r = this.getNewSheet(index);
setCellValue(r, startRow, startCol, value);

return r;
}

public WritableSheet newSheetExcelValue(String sheetName , int index , List l , List cap , List sort , int startRow , int startCol)
{
WritableSheet r = null;

r = this.createSheet(sheetName, index);
setExcelValue(r , l , cap ,sort, startRow , startCol);

return r;
}

public WritableSheet newSheetExcelValue(String sheetName , List l , List cap , List sort , int startRow , int startCol)
{
WritableSheet r = null;

r = this.createSheet(sheetName, 0);
setExcelValue(r , l , cap , sort ,startRow , startCol);

return r;
}

public WritableSheet newSheetExcelValue(String sheetName , List l , List cap ,List sort )
{
WritableSheet r = null;
r = this.createSheet(sheetName, 0);
setExcelValue(r , l , cap ,sort, 0 , 0);

return r;
}

public WritableSheet newSheetExcelValue( List l , List cap , List sort)
{
WritableSheet r = null;
r = this.createSheet("新建sheet1", 0);
setExcelValue(r , l , cap ,sort , 0 , 0);

return r;
}

public WritableSheet newSheetExcelValue( List l , List sort)
{
WritableSheet r = null;
r = this.createSheet("新建sheet1", 0);
setExcelValue(r , l , null ,sort, 0 , 0);
return r;
}

public void saveQuit()
{
try {
if (fWorkBook != null)
{
fWorkBook.write();
fWorkBook.close();
fWorkBook = null;
}
if (newReadBook != null)
{
newReadBook.write();
newReadBook.close();
newReadBook = null;
}
if (fReadBook != null)
{
fReadBook.close();
fReadBook = null;
}
} catch (Exception e) {
throw new SystemException(e.getMessage());
}

}
public void withoutSaveQuit()
{
try {
if (fWorkBook != null)
{
fWorkBook.close();
fWorkBook = null;
}
if (newReadBook != null)
{
newReadBook.close();
newReadBook = null;
}
if (fReadBook != null)
{
fReadBook.close();
fReadBook = null;
}
} catch (Exception e) {
throw new SystemException(e.getMessage());
}
}

}
</span>