1. 读取

//读取excel指定sheet中的各行数据，存入二维数组，包括首行

    public static String[][] getSheetData(XSSFSheet sheet) throws IOException {

        String[][] testArray = new String[sheet.getPhysicalNumberOfRows()][];

        for(int rowId =0;rowId<sheet.getPhysicalNumberOfRows();rowId++){

                XSSFRow row = sheet.getRow(rowId);

                List<String> testSetList = new ArrayList<String>();

                for(int column=0;column<row.getPhysicalNumberOfCells();column++){

                    row.getCell(column).setCellType(Cell.CELL_TYPE_STRING);

                    testSetList.add(row.getCell(column).getStringCellValue());

                }

                testArray[rowId] = (String[])testSetList.

                        toArray(new String[testSetList.size()]);

        }

        return testArray;

    }

2. 打印

//打印二维数组

    public static void printDoubleArray(String[][] testArray) throws IOException{

        for(int i =0; i<testArray.length;i++ )

        {

            for (int j=0; j<testArray[i].length;j++)

            {

                print(testArray[i][j]+" ||");

            }

            println();

        }

    }

3. 调用

public static void main(String[] args) throws IOException {

        // TODO 自动生成的方法存根

        File file = new File("testData\\testData.xlsx");

        FileInputStream fis = new FileInputStream(file);

        @SuppressWarnings("resource")

        XSSFWorkbook wb = new XSSFWorkbook(new BufferedInputStream(fis));

        printDoubleArray(getSheetData(wb.getSheetAt(0)));

    }

4. 效果

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