excelsample11.java

此源码程序实现的是eclipse开发工具中插件的开发实现参考程序

package cn.com.chengang.myplugin.poi;

import java.io.FileInputStream;
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;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;

public class ExcelSample11 {
	public static void main(String[] args) throws IOException {
		FileInputStream fileIn = new FileInputStream("c:\\workbook.xls");
		POIFSFileSystem fs = new POIFSFileSystem(fileIn);
		HSSFWorkbook wb = new HSSFWorkbook(fs);
		HSSFSheet sheet = wb.getSheetAt(0);
		HSSFRow row = sheet.getRow(1);
		if (row == null)
			return;
		HSSFCell cell = row.getCell((short) 1);
		if (cell == null)
			return;
		cell.setCellValue("Giles");
		// 写文件
		FileOutputStream fileOut = new FileOutputStream("c:\\workbook.xls");
		wb.write(fileOut);
		fileOut.close();
	}
}