poi之Excel的读取
package com.imooc.excel;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
public class Poi_Read_Excel {
/**
*
* @param args
*/
public static void main(String[] args) {
File file=new File("D:/jxl_poi_text.xls");
try {
FileInputStream stream=new FileInputStream(file);
HSSFWorkbook workbook=new HSSFWorkbook(stream);
//HSSFSheet sheet=workbook.getSheet("Sheet0");
HSSFSheet sheet=workbook.getSheetAt(0);
int firstRowNum=0;
//获取sheet中最后一行行号
int lastRowNum=sheet.getLastRowNum();
for (int i = firstRowNum; i < lastRowNum; i++) {
HSSFRow row=sheet.getRow(i);
//获取当前行最后单元格列号
int lastCellNum=row.getLastCellNum();
for (int j = 0; j < lastCellNum+1; j++) {
HSSFCell cell=row.getCell((short) j);
String value=cell.getStringCellValue();
System.out.print(value+" ");
}
System.out.println();
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
