导出Excel

package com.sinosoft.webmodule.landLibrary;

/**<p><br/>
 * @className ExportExcel.java<br/>
 * @packageName com.sinosoft.webmodule.landLibrary<br/>
 * @date 2014-3-26 上午10:47:20<br/>
 * </p>
 *
 * @version v1.0.0
 */
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Date;
import jxl.Cell;
import jxl.CellType;
import jxl.Sheet;
import jxl.Workbook;
import jxl.WorkbookSettings;
import jxl.format.Alignment;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.Colour;
import jxl.format.VerticalAlignment;
import jxl.write.Formula;
import jxl.write.Label;
import jxl.write.NumberFormat;
import jxl.write.WritableCellFeatures;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableImage;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;

public class ExportExcel {
 /**
  * @param args
  */
 /**
  * 生成Excel文件
  *
  * @param path
  *            文件路径
  * @param sheetName
  *            工作表名称
  * @param dataTitles
  *            数据标题
  */
 public void createExcelFile(String path, String sheetName,
   String[] dataTitles) {
  WritableWorkbook workbook;//创建工作簿，其中包括工作表
  try {
   OutputStream os = new FileOutputStream(path);
   workbook = Workbook.createWorkbook(os);
   WritableSheet sheet = workbook.createSheet(sheetName, 0); // 添加第一个工作表
   WritableSheet sheet1 = workbook.createSheet(sheetName, 1); // 添加第二个工作表
   initialSheetSetting(sheet);
   Label label;
   for (int i = 0; i < dataTitles.length; i++) {
    // Label(列号,行号,内容,风格)
    label = new Label(i, 0, dataTitles[i], getTitleCellFormat());
    sheet.addCell(label);
   }
   // 插入一行
   insertRowData(sheet, 1, new String[] { "200201001", "张三", "100",
     "60", "100", "260" },
     getDataCellFormat(CellType.STRING_FORMULA));
   // 一个一个插入行
   label = new Label(0, 2, "200201002",
     getDataCellFormat(CellType.STRING_FORMULA));
   sheet.addCell(label);
   label = new Label(1, 2, "李四",
     getDataCellFormat(CellType.STRING_FORMULA));
   sheet.addCell(label);
   insertOneCellData(sheet, 2, 2, 70.5,
     getDataCellFormat(CellType.NUMBER));
   insertOneCellData(sheet, 3, 2, 90.523,
     getDataCellFormat(CellType.NUMBER));
   insertOneCellData(sheet, 4, 2, 60.5,
     getDataCellFormat(CellType.NUMBER));
   insertFormula(sheet, 5, 2, "C3+D3+E3",
     getDataCellFormat(CellType.NUMBER_FORMULA));
   // 插入日期
   mergeCellsAndInsertData(sheet, 0, 3, 5, 3, new Date(),
     getDataCellFormat(CellType.DATE));
   
   File image = new File("");//添加图片
   if(image.exists()){
    WritableImage wimage = new WritableImage(0,1,20,30,image); // 0,1分别代表x,y.2,2代表宽和高占的单元格数
    sheet1.addImage(wimage);
   }
   
   workbook.write();
   workbook.close();
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 /**
  * 初始化表格属性
  *
  * @param sheet
  */
 public void initialSheetSetting(WritableSheet sheet) {
  try {
   // sheet.getSettings().setProtected(true); //设置xls的保护，单元格为只读的
   sheet.getSettings().setDefaultColumnWidth(10); // 设置列的默认宽度
   // sheet.setRowView(2,false);//行高自动扩展
   // setRowView(int row, int height);--行高
   // setColumnView(int col,int width); --列宽
   sheet.setColumnView(0, 20);// 设置第一列宽度
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 /**
  * 插入公式
  *
  * @param sheet
  * @param col
  * @param row
  * @param formula
  * @param format
  */
 public void insertFormula(WritableSheet sheet, Integer col, Integer row,
   String formula, WritableCellFormat format) {
  try {
   Formula f = new Formula(col, row, formula, format);
   sheet.addCell(f);
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 /**
  * 插入一行数据
  *
  * @param sheet
  *            工作表
  * @param row
  *            行号
  * @param content
  *            内容
  * @param format
  *            风格
  */
 public void insertRowData(WritableSheet sheet, Integer row,
   String[] dataArr, WritableCellFormat format) {
  try {
   Label label;
   for (int i = 0; i < dataArr.length; i++) {
    label = new Label(i, row, dataArr[i], format);
    sheet.addCell(label);
   }
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 /**
  * 插入单元格数据
  *
  * @param sheet
  * @param col
  * @param row
  * @param data
  */
 public void insertOneCellData(WritableSheet sheet, Integer col,
   Integer row, Object data, WritableCellFormat format) {
  try {
   if (data instanceof Double) {
    jxl.write.Number labelNF = new jxl.write.Number(col, row,
      (Double) data, format);
    sheet.addCell(labelNF);
   } else if (data instanceof Boolean) {
    jxl.write.Boolean labelB = new jxl.write.Boolean(col, row,
      (Boolean) data, format);
    sheet.addCell(labelB);
   } else if (data instanceof Date) {
    jxl.write.DateTime labelDT = new jxl.write.DateTime(col, row,
      (Date) data, format);
    sheet.addCell(labelDT);
    setCellComments(labelDT, "这是个创建表的日期说明！");
   } else {
    Label label = new Label(col, row, data.toString(), format);
    sheet.addCell(label);
   }
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 /**
  * 合并单元格，并插入数据
  *
  * @param sheet
  * @param col_start
  * @param row_start
  * @param col_end
  * @param row_end
  * @param data
  * @param format
  */
 public void mergeCellsAndInsertData(WritableSheet sheet, Integer col_start,
   Integer row_start, Integer col_end, Integer row_end, Object data,
   WritableCellFormat format) {
  try {
   sheet.mergeCells(col_start, row_start, col_end, row_end);// 左上角到右下角
   insertOneCellData(sheet, col_start, row_start, data, format);
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 /**
  * 给单元格加注释
  *
  * @param label
  * @param comments
  */
 public void setCellComments(Object label, String comments) {
  WritableCellFeatures cellFeatures = new WritableCellFeatures();
  cellFeatures.setComment(comments);
  if (label instanceof jxl.write.Number) {
   jxl.write.Number num = (jxl.write.Number) label;
   num.setCellFeatures(cellFeatures);
  } else if (label instanceof jxl.write.Boolean) {
   jxl.write.Boolean bool = (jxl.write.Boolean) label;
   bool.setCellFeatures(cellFeatures);
  } else if (label instanceof jxl.write.DateTime) {
   jxl.write.DateTime dt = (jxl.write.DateTime) label;
   dt.setCellFeatures(cellFeatures);
  } else {
   Label _label = (Label) label;
   _label.setCellFeatures(cellFeatures);
  }
 }

 /**
  * 读取excel
  *
  * @param inputFile
  * @param inputFileSheetIndex
  * @throws Exception
  */
 public ArrayList readDataFromExcel(File inputFile, int inputFileSheetIndex) {
  ArrayList list = new ArrayList();
  Workbook book = null;
  Cell cell = null;
  WorkbookSettings setting = new WorkbookSettings();
  java.util.Locale locale = new java.util.Locale("zh", "CN");
  setting.setLocale(locale);
  setting.setEncoding("ISO-8859-1");
  try {
   book = Workbook.getWorkbook(inputFile, setting);
  } catch (Exception e) {
   e.printStackTrace();
  }
  
  Sheet sheet = book.getSheet(inputFileSheetIndex);
  for (int rowIndex = 0; rowIndex < sheet.getRows(); rowIndex++) {// 行
   for (int colIndex = 0; colIndex < sheet.getColumns(); colIndex++) {// 列
    cell = sheet.getCell(colIndex, rowIndex);
    // System.out.println(cell.getContents());
    list.add(cell.getContents());
   }
   book.close();
  }
  return list;
 }

 /**
  * 得到数据表头格式
  *
  * @return
  */
 public WritableCellFormat getTitleCellFormat() {
  WritableCellFormat wcf = null;
  try {
   // 字体样式
   WritableFont wf = new WritableFont(WritableFont.TIMES, 12,
     WritableFont.NO_BOLD, false);// 最后一个为是否italic
   wf.setColour(Colour.RED);
   wcf = new WritableCellFormat(wf);
   // 对齐方式
   wcf.setAlignment(Alignment.CENTRE);
   wcf.setVerticalAlignment(VerticalAlignment.CENTRE);
   // 边框
   wcf.setBorder(Border.ALL, BorderLineStyle.THIN);
   // 背景色
   wcf.setBackground(Colour.GREY_25_PERCENT);
  } catch (WriteException e) {
   e.printStackTrace();
  }
  return wcf;
 }

 /**
  * 得到数据格式
  *
  * @return
  */
 public WritableCellFormat getDataCellFormat(CellType type) {
  WritableCellFormat wcf = null;
  try {
   // 字体样式
   if (type == CellType.NUMBER || type == CellType.NUMBER_FORMULA) {// 数字
    NumberFormat nf = new NumberFormat("#.00");
    wcf = new WritableCellFormat(nf);
   } else if (type == CellType.DATE || type == CellType.DATE_FORMULA) {// 日期
    jxl.write.DateFormat df = new jxl.write.DateFormat(
      "yyyy-MM-dd hh:mm:ss");
    wcf = new jxl.write.WritableCellFormat(df);
   } else {
    WritableFont wf = new WritableFont(WritableFont.TIMES, 10,
      WritableFont.NO_BOLD, false);// 最后一个为是否italic
    wcf = new WritableCellFormat(wf);
   }
   // 对齐方式
   wcf.setAlignment(Alignment.CENTRE);
   wcf.setVerticalAlignment(VerticalAlignment.CENTRE);
   // 边框
   wcf.setBorder(Border.LEFT, BorderLineStyle.THIN);
   wcf.setBorder(Border.BOTTOM, BorderLineStyle.THIN);
   wcf.setBorder(Border.RIGHT, BorderLineStyle.THIN);
   // 背景色
   wcf.setBackground(Colour.WHITE);
   wcf.setWrap(true);// 自动换行
  } catch (WriteException e) {
   e.printStackTrace();
  }
  return wcf;
 }

 /**
  * 打开文件看看
  *
  * @param exePath
  * @param filePath
  */
 public void openExcel(String exePath, String filePath) {
  Runtime r = Runtime.getRuntime();
  String cmd[] = { exePath, filePath };
  try {
   r.exec(cmd);
  } catch (Exception e) {
   e.printStackTrace();
  }
 }

 public static void main(String[] args) {
  String[] titles = { "学号", "姓名", "语文", "数学", "英语", "总分" };
  ExportExcel jxl = new ExportExcel();
  String filePath = "D:/test.xls";
  jxl.createExcelFile(filePath, "成绩单", titles);
  // jxl.readDataFromExcel(new File(filePath), 0);
  // jxl.openExcel("C:/Program Files/Microsoft Office/OFFICE11/EXCEL.EXE",filePath);
 }
}