要获取workbook中sheet的个数,可以使用Workbook类中的getNumberOfSheets()方法。示例如下:
Workbook workbook = new XSSFWorkbook(new FileInputStream("workbook.xlsx"));
int numberOfSheets = workbook.getNumberOfSheets();
System.out.println("Number of sheets in the workbook: " + numberOfSheets);
以上代码会打印出workbook中sheet的个数。
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