java讀取excel數據

package com.test;

import java.io.FileInputStream;
import java.io.InputStream;

import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class Test {

	public static void main(String[] args) throws Exception {
		new Test().readXls("E:\\doc\\test.xls");
	}

	/**
	 * 讀取office2003版的excel文件（.xls）
	 * 
	 * @param filePath
	 * @throws Exception
	 * @Author SevenWong
	 */
	public void readXls(String filePath) throws Exception {
		InputStream is = new FileInputStream(filePath);
		HSSFWorkbook hssfWorkbook = new HSSFWorkbook(is);
		HSSFSheet hssfSheet = null;
		HSSFRow hssfRow = null;
		String content;

		// sheet 數量
		for (int numSheet = 0, numOfSheets = hssfWorkbook.getNumberOfSheets(); numSheet < numOfSheets; numSheet++) {
			hssfSheet = hssfWorkbook.getSheetAt(numSheet);
			if (hssfSheet == null) {
				continue;
			}

			// 從 sheet 中迭代每行的數據
			for (int rowNum = 2, lastRowNum = hssfSheet.getLastRowNum(); rowNum <= lastRowNum; rowNum++) {
				hssfRow = hssfSheet.getRow(rowNum);
				for (int j = hssfRow.getFirstCellNum(), cells = hssfRow.getPhysicalNumberOfCells(); j < cells; j++) {
					content = hssfRow.getCell(j).toString().trim();
					System.out.print(content + "\t");
				}
				System.out.println();
			}
		}

		hssfWorkbook.close();
	}

	/**
	 * 讀取office2007版的excel文件（.xlsx）
	 * 
	 * @param filePath
	 * @throws Exception
	 * @Author SevenWong
	 */
	public void readXlsx(String filePath) throws Exception {
		// 構造 XSSFWorkbook 對象，filePath 傳入文件路徑
		XSSFWorkbook xwb = new XSSFWorkbook(filePath);

		// 讀取第一張sheet表格內容
		XSSFSheet sheet = xwb.getSheetAt(0);

		XSSFRow row;
		String content;

		// 循環輸出表格中的內容
		// i從真實數據行
		for (int i = (sheet.getFirstRowNum() + 2), rows = sheet.getPhysicalNumberOfRows(); i < rows; i++) {
			row = sheet.getRow(i);
			for (int j = row.getFirstCellNum(), cells = row.getPhysicalNumberOfCells(); j < cells; j++) {
				// 通過 row.getCell(j).toString() 獲取單元格內容，
				content = row.getCell(j).toString().trim();
				System.out.print(content + "\t");
			}
			System.out.println();
		}

		xwb.close();
	}

}