package 读取excel;
/*
*导入jxl包，注意不能读取最新版本的Excel文件
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import jxl.Cell;
import jxl.CellType;
import jxl.Sheet;
import jxl.Workbook;
import jxl.write.Label;
public class ExcelOperater {
public static void main(String[] args) {
jxl.Workbook readwb = null;
try {
//构建Workbook对象, 只读Workbook对象
//直接从本地文件创建Workbook
InputStream instream = new FileInputStream("C:\\Users\\Administrator\\Desktop\\测试用例和结果1.xls");
readwb = Workbook.getWorkbook(instream);
//Sheet的下标是从0开始
//获取第一张Sheet表
Sheet readsheet = readwb.getSheet(0);
//获取Sheet表中所包含的总列数
int rsColumns = readsheet.getColumns();
//获取Sheet表中所包含的总行数
int rsRows = readsheet.getRows();
//获取指定单元格的对象引用
for (int i = 0; i < rsRows; i++) {
for (int j = 0; j < rsColumns; j++) {
Cell cell = readsheet.getCell(j, i);
System.out.print(cell.getContents() + " ");
}
System.out.println();
}
//利用已经创建的Excel工作薄,创建新的可写入的Excel工作薄
jxl.write.WritableWorkbook wwb = Workbook.createWorkbook(new File(
"C:\\Users\\Administrator\\Desktop\\测试用例和结果1.xlsx"), readwb);
//读取第一张工作表
jxl.write.WritableSheet ws = wwb.getSheet(0);
//获得第一个单元格对象
jxl.write.WritableCell wc = ws.getWritableCell(0, 0);
//判断单元格的类型, 做出相应的转化
if (wc.getType() == CellType.LABEL) {
Label l = (Label) wc;
l.setString("新姓名");
}
//写入Excel对象
wwb.write();
wwb.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
readwb.close();
}
}
}本文出自 “matengbing” 博客，请务必保留此出处http://matengbing.blog.51cto.com/11395502/1876277
原文：http://matengbing.blog.51cto.com/11395502/1876277