我想使用 apache poi api 在 java 中读取 2010 excel 文件...但它给了我一个错误线程“main”java.lang.IllegalArgumentException 中的异常:工作表索引(0)超出范围(0..-1 ) 我正在使用 xssf,但如果我想从旧格式的 excel 中获取数据,那么它可以通过唱 HSSF 来正常工作。我不知道 XSSF 发生了什么..这是我的代码..请帮助我。
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.Iterator;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
/**
* This java program is used to read the data from a Excel file and display them
* on the console output.
*
* @author dhanago
*/
public class xssff {
/** Creates a new instance of POIExcelReader */
public xssff() {
}
/**
* This method is used to display the Excel content to command line.
*
* @param xlsPath
*/
@SuppressWarnings("unchecked")
public void displayFromExcel(String xlsPath) {
InputStream inputStream = null;
try {
inputStream = new FileInputStream(xlsPath);
} catch (FileNotFoundException e) {
System.out.println("File not found in the specified path.");
e.printStackTrace();
}
XSSFWorkbook workBook = new XSSFWorkbook();
XSSFSheet sheet = workBook.getSheetAt(1);
Iterator<Row> rows = sheet.rowIterator();
while (rows.hasNext()) {
XSSFRow row = (XSSFRow) rows.next();
// display row number in the console.
System.out.println();
// once get a row its time to iterate through cells.
Iterator<Cell> cells = row.cellIterator();
while (cells.hasNext()) {
XSSFCell cell = (XSSFCell) cells.next();
/*
* Now we will get the cell type and display the values
* accordingly.
*/
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_NUMERIC: {
// cell type numeric.
System.out.print(cell.getNumericCellValue() + "\t\t\t");
break;
}
case XSSFCell.CELL_TYPE_STRING: {
// cell type string.
XSSFRichTextString richTextString = cell
.getRichStringCellValue();
System.out.print(richTextString.getString() + "\t\t\t");
break;
}
default: {
// types other than String and Numeric.
System.out.println("Type not supported.");
break;
}
}
}
}
}
/**
* The main executable method to test displayFromExcel method.
*
* @param args
*/
public static void main(String[] args) {
xssff poiExample = new xssff();
String xlsPath = "c://temp//data.xlsx";
poiExample.displayFromExcel(xlsPath);
}
}