ReadXSSF

import java.io.IOException;

import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;



public class ReadXSSF {

    public static void main(String[] args) {
//构造XSSFWorkbook对象，传入07版本Excel所在的路径
try {
    XSSFWorkbook xwb = new XSSFWorkbook("C://11.xlsx");
    //读取第一张表格的内容
    XSSFSheet sheet = xwb.getSheetAt(0);
    //定义Row ,Cell
    XSSFRow row;
    XSSFCell cell;
    //循环输出表格中的内容
    for(int i=sheet.getFirstRowNum();i<sheet.getLastRowNum();i++){
row = sheet.getRow(i);
for(int j=row.getFirstCellNum();j<row.getLastCellNum();j++){
cell = row.getCell(j);  
System.out.print(cell+" ");
}
System.out.println("");
    }
} catch (IOException e) {
    e.printStackTrace();
}
    }
}