/*
* this function will read from excel
* and will return the items of excel
*/
public static String[][] readExcel(String config) throws IOException
{
File f=new File(config);
if(!f.exists())
{
return null;
}
FileInputStream fs = new FileInputStream(f);
//create a workbook
Workbook wb = new HSSFWorkbook(fs);
Sheet sheet = wb.getSheetAt(0);
int rows=sheet.getLastRowNum();
Row firstRow=sheet.getRow(0);
int columns=firstRow.getLastCellNum();
String[][] data=new String[rows+1][columns];
for(int rownum=0;rownum<=sheet.getLastRowNum();rownum++) {
//for (Cell cell : row)
Row row = sheet.getRow(rownum);
if (row == null) {
continue;
}
String value;
for(int cellnum=0;cellnum<=row.getLastCellNum();cellnum++){
Cell cell=row.getCell(cellnum);
// filter the null cells
if(cell==null)
{
continue;
}
else {
value="";
}
switch (cell.getCellType()) {
case Cell.CELL_TYPE_STRING:
// System.out.println(cell.getRichStringCellValue().getString());
value=cell.getRichStringCellValue().getString();
break;
case Cell.CELL_TYPE_NUMERIC:
if (DateUtil.isCellDateFormatted(cell)) {
//System.out.println(cell.getDateCellValue());
value=cell.getDateCellValue().toString();
} else {
// System.out.println(cell.getNumericCellValue());
value=Double.toString((int)cell.getNumericCellValue());
}
break;
case Cell.CELL_TYPE_BOOLEAN:
//System.out.println(cell.getBooleanCellValue());
value=Boolean.toString(cell.getBooleanCellValue());
break;
case Cell.CELL_TYPE_FORMULA:
//System.out.println(cell.getCellFormula());
value=cell.getCellFormula().toLowerCase();
break;
default:
value=" ";
System.out.println();
}
System.out.println(value);
data[rownum][cellnum]=value;
}
}
return data;
}
java读取excel
时间： 2024-10-05 10:11:51