Java 导入导出excel

package test;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.util.Vector;import jxl.Cell;import jxl.Sheet;import jxl.Workbook;import jxl.format.Alignment;import jxl.format.Colour;import jxl.format.UnderlineStyle;import jxl.format.VerticalAlignment;import jxl.write.Label;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;import jxl.write.WriteException;import jxl.write.biff.RowsExceededException;public class Excel { /** *//** * 导出数据为XLS格式 * @param fileName 文件的名称，可以设为绝对路径，也可以设为相对路径 * @param content 数据的内容 */ public static void exportExcel(String fileName, Vector<Person> content) { WritableWorkbook wwb; FileOutputStream fos; try { fos = new FileOutputStream(fileName); wwb = Workbook.createWorkbook(fos); WritableSheet ws = wwb.createSheet("三国志武将列表", 10); // 创建一个工作表 // 设置单元格的文字格式 WritableFont wf = new WritableFont(WritableFont.ARIAL,12,WritableFont.NO_BOLD,false, UnderlineStyle.NO_UNDERLINE,Colour.BLUE); WritableCellFormat wcf = new WritableCellFormat(wf); wcf.setVerticalAlignment(VerticalAlignment.CENTRE); wcf.setAlignment(Alignment.CENTRE); ws.setRowView(1, 500); // 填充数据的内容 Person[] p = new Person[content.size()]; for (int i = 0; i < content.size(); i ){ p[i] = (Person)content.get(i); ws.addCell(new Label(1, i 1, p[i].getName(), wcf)); ws.addCell(new Label(2, i 1, p[i].getNickname(), wcf)); ws.addCell(new Label(3, i 1, p[i].getPower(), wcf)); ws.addCell(new Label(4, i 1, p[i].getWit(), wcf)); ws.addCell(new Label(5, i 1, p[i].getPolity(), wcf)); ws.addCell(new Label(6, i 1, p[i].getCharm(), wcf)); ws.addCell(new Label(7, i 1, p[i].getStory(), wcf)); if(i == 0) wcf = new WritableCellFormat(); } wwb.write(); wwb.close(); } catch (IOException e){ } catch (RowsExceededException e){ } catch (WriteException e){} } /** *//** * 从Excel文件里读取数据保存到Vector里 * @param fileName Excel文件的名称 * @return Vector对象,里面包含从Excel文件里获取到的数据 */ public static Vector<Person> importExcel(String fileName){ Vector<Person> v = new Vector<Person>(); try { Workbook book = Workbook.getWorkbook(new File(fileName)); Sheet sheet = book.getSheet(0); // 获得第一个工作表对象 int rows = sheet.getRows(); for(int i = 0; i < rows; i ) { Cell [] cell = sheet.getRow(i); if(cell.length == 0) continue; Person p = new Person(); p.setName(sheet.getCell(1, i).getContents()); p.setNickname(sheet.getCell(2, i).getContents()); p.setPower(sheet.getCell(3, i).getContents()); p.setWit(sheet.getCell(4, i).getContents()); p.setPolity(sheet.getCell(5, i).getContents()); p.setCharm(sheet.getCell(6, i).getContents()); p.setStory(sheet.getCell(7, i).getContents()); v.add(p); } book.close(); }catch(Exception e) {} return v; } public static void main(String [] args){ String fileName = "test.xls"; String fileNameNew = "testNew.xls"; Person p0 = new Person("姓名","字","武力","智力","政治","魅力","英雄事迹"); Person p1 = new Person("赵云","子龙","98","84","83","87","单骑救主!!!"); Person p2 = new Person("马超","孟起","98","62","40","88","杀得曹操割须弃袍!!!"); Person p3 = new Person("诸葛亮","孔明","55","100","92","93","死后木偶退兵，锦囊杀魏延!!!"); Vector<Person> v = new Vector<Person>(); v.add(p0); v.add(p1); v.add(p2); v.add(p3); exportExcel(fileName, v); System.out.println("成功导出数据到Excel文件(" fileName ")了!!!"); Vector<Person> vector = importExcel(fileName); System.out.println("成功从Excel文件(" fileName ")导入数据!!!"); exportExcel(fileNameNew, vector); System.out.println("成功将" fileName "里的数据手复制到" fileNameNew "中!!!"); }}