java操作excl导入导出oracle数据库啊
如题，求助，最好是在myeclipse上能直接跑起来代码项目！谢谢！
[解决办法]
package com.test;import java.io.File;import java.io.FileOutputStream;import java.util.ArrayList;import java.util.List;import jxl.Workbook;import jxl.format.Alignment;import jxl.format.Colour;import jxl.format.UnderlineStyle;import jxl.write.Label;import jxl.write.Number;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;/** * 生成excel的工具类，不用模板 * @version 2.0 * */public class ExportExcel { private static ExportExcel bean = new ExportExcel(); public static ExportExcel getBean() { return bean; } private FileOutputStream output; private WritableWorkbook book; /** * 导出excel生成文件 * @param base 根目录(文件存放的目录) * @param fileName 文件名 * @param fullDatas 要导出的数据(这里必须存放String类型的数组) * @param title 文件的标题(第一行) * @param coteWidths 每一列的宽度 * @param titles 表头标题 * @param numCote 需要数字格式化的列的索引 * @return String 返回输出文件的物理路径 * */ @SuppressWarnings("unchecked") public String reportExcel(String base, String fileName, List fullDatas, String title, int[] coteWidths, String[] titles, int[] numCote) { try { createFolder(base);//如果文件夹不存在就创建 String filePath = base + fileName;//输出文件路径 WritableCellFormat cellFormat = new WritableCellFormat(); cellFormat.setAlignment(Alignment.CENTRE);//居中显示 WritableSheet sheet = getExcel(filePath, title, coteWidths, titles);//获得工作簿 if(null != sheet){ for(int i = 0; i < fullDatas.size(); i++){ String[] fullData = (String[]) fullDatas.get(i); if(fullData.length == coteWidths.length){//确保数据个数一致 for (int j = 0; j < fullData.length; j++) { boolean isNumeric = false;//判断该列是否需要数字化格式 if(null != numCote && numCote.length > 0){ for(int c = 0; c < numCote.length; c++){ if(j == numCote[c]){ isNumeric = true; break; } } } if(isNumeric){ Double numeric = Double.parseDouble(fullData[j]); Number number = new Number(j, i + 2, numeric, cellFormat); sheet.addCell(number);//数字格式化 }else { Label label = new Label(j, i + 2, fullData[j], cellFormat); sheet.addCell(label);//文本数据 } } } } } book.write(); book.close(); output.close(); return filePath; } catch (Exception e) { e.printStackTrace(); } return ""; } // 生产excel工作簿 private WritableSheet getExcel(String filePath, String title, int coteWidths[], String[] titles) { try { if(coteWidths.length != titles.length){ return null; } output = new FileOutputStream(filePath);//文件输出流 book = Workbook.createWorkbook(output); // 创建文件 WritableSheet sheet = book.createSheet("sheet", 0); // 创建工作薄 //标题样式 WritableFont headFont = new WritableFont( WritableFont.ARIAL, 15, WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE, Colour.BLACK); WritableCellFormat headCellFormat = new WritableCellFormat(headFont); headCellFormat.setAlignment(Alignment.CENTRE);//居中显示 //表头样式 WritableFont titleFont = new WritableFont( WritableFont.ARIAL, 11, WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE, Colour.BLACK); WritableCellFormat titleCellFormat = new WritableCellFormat(titleFont); titleCellFormat.setAlignment(Alignment.CENTRE); // 设置标题 sheet.mergeCells(0, 0, titles.length - 1, 0);//合并单元格 Label label = new Label(0, 0, title ,headCellFormat); sheet.addCell(label);//标题 // 设置表头 for (int i = 0; i < coteWidths.length; i++) { sheet.setColumnView(i, coteWidths[i]); // 设置列的宽度 Label label1 = new Label(i, 1, titles[i], titleCellFormat); sheet.addCell(label1);//表头标题 } return sheet; } catch (Exception e) { e.printStackTrace(); } return null; } // 创建文件夹 public void createFolder(String folderPath) { try { File folder = new File(folderPath); if (!folder.exists()) { folder.mkdirs(); } } catch (Exception e) { e.printStackTrace(); } } @SuppressWarnings("unchecked") public static void main(String[] args) { String base = "D:\\opt\\log\\", fileName = "student.xls", title= "学生成绩表"; String[] titles = new String[]{ "学号", "姓名", "语文", "数学", "排名" }; int[] coteWidths = new int[]{ 20, 30, 20, 20, 20 }; int[] numCote = new int[]{ 0, 2, 3, 4 }; List list = new ArrayList(); for (int i = 1; i <= numCote.length; i++) { list.add(new String[]{ "201000" + i, i + "号学生", String.valueOf(100 - i), String.valueOf(95 - i), String.valueOf(i) }); } System.out.println(ExportExcel.getBean().reportExcel(base, fileName, list, title, coteWidths, titles, numCote)); }}