JXL简单操作

package com.wangyu;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

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.CellFormat;
import jxl.format.Colour;
import jxl.format.VerticalAlignment;
import jxl.write.Formula;
import jxl.write.Label;
import jxl.write.NumberFormat;
import jxl.write.WritableCell;
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;
import jxl.write.biff.RowsExceededException;


public class JExcelUtils {

	private static final int TITLE_LENGTH = 2;

	// private static final int SHEET_WIDTH = 6;

	/**
	 * 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, String titleName, String logoPath) {
		WritableWorkbook workbook;
		Label label;
		try {

			OutputStream os = new FileOutputStream(path);
			workbook = Workbook.createWorkbook(os);

			WritableSheet sheet = workbook.createSheet(sheetName, 0); // 添加第一个工作表
			initialSheetSetting(sheet);

			
			/*
			 * 报表主标题	合并单元格 通过writablesheet.mergeCells(int x,int y,int m,int n);来实现的
			 * 表示将从第x+1列，y+1行到m+1列，n+1行合并
			 */
			sheet.mergeCells(0, 0, dataTitles.length - 1, 0);
			label = new Label(0, 0, titleName, getDataCellFormat(CellType.STRING_FORMULA, "宋体", 20, Colour.BLUE, Colour.YELLOW));
			sheet.addCell(label);
			
			if (logoPath != null) {
				insertImgCell(sheet, 0, 0, 1, 1, logoPath);
			}
			for (int i = 0; i < dataTitles.length; i++) {
				label = new Label(i, 1, dataTitles[i], getTitleCellFormat());
				// Label(列号,行号,内容,风格)
				sheet.addCell(label);
			}
			List<Person> data = getData();

			for (int i = 0; i < data.size(); i++) {
				Person person = data.get(i);
				insertOneCellData(sheet, 0, i + TITLE_LENGTH, person.getId(), getDataCellFormat(CellType.STRING_FORMULA));
				// 注释 start
				label = new Label(1, i + TITLE_LENGTH, person.getName(), getDataCellFormat(CellType.STRING_FORMULA));
				sheet.addCell(label);
				if ("wangyu".equals(person.getName())) {
					setCellComments(label, "这是个说明！");
				}
				// 注释 end
				if (person.getSex() >= 20) {
					insertOneCellData(sheet, 2, i + TITLE_LENGTH, person.getSex(), getDataCellFormat(CellType.NUMBER, "宋体", 10,
							Colour.YELLOW, Colour.YELLOW));
				} else {
					insertOneCellData(sheet, 2, i + TITLE_LENGTH, person.getSex(), getDataCellFormat(CellType.NUMBER));
				}
				insertOneCellData(sheet, 3, i + TITLE_LENGTH, person.getBirthday(), getDataCellFormat(CellType.DATE));
				// insertFormula(sheet, 5, 1, "C2+D2+E2",
				// getDataCellFormat(CellType.NUMBER_FORMULA));//SUM(C3:E3)
			}

			for (int i = 2; i < dataTitles.length; i++) {
				insertFormulaCell(sheet, i, data.size() + TITLE_LENGTH, 2, data.size() + TITLE_LENGTH,
						getDataCellFormat(CellType.NUMBER_FORMULA));
			}
			insertFormula(sheet, 4, data.size() + TITLE_LENGTH, "C6+D6", getDataCellFormat(CellType.NUMBER_FORMULA));// SUM(C3:E3)

			// 插入一行(1)
			// insertRowData(sheet, 1, new String[] { "200201001", "张三", "100",
			// "60", "100", "260" },
			// getDataCellFormat(CellType.STRING_FORMULA));

			// 插入日期
			// mergeCellsAndInsertData(sheet, 1, 3, 5, 3, new Date(),
			// getDataCellFormat(CellType.DATE));

			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
			sheet.setRowView(0, 500);// 列宽
			sheet.setColumnView(0, 20);// 设置第一列宽度
			sheet.setColumnView(1, 20);
			sheet.setColumnView(2, 20);
			sheet.setColumnView(3, 20);
		} 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();
		}
	}

	/**
	 * 修改公式单元格的值
	 * 
	 * @param dataSheet
	 *            WritableSheet : 工作表
	 * @param col
	 *            int : 列
	 * @param row
	 *            int : 行
	 * @param startPos
	 *            int : 开始位置
	 * @param endPos
	 *            int : 结束位置
	 * @param format
	 * @throws RowsExceededException
	 * @throws WriteException
	 */
	private void insertFormulaCell(WritableSheet dataSheet, int col, int row, int startPos, int endPos, CellFormat format)
			throws RowsExceededException, WriteException {
		String f = getFormula(col, row, startPos, endPos);
		System.out.println(f);
		// 插入公式（只支持插入，不支持修改）
		WritableCell cell = dataSheet.getWritableCell(col, row);
		if (cell.getType() == CellType.EMPTY) {
			// 公式单元格
			Formula lbl = new Formula(col, row, f);
			if (null != format) {
				lbl.setCellFormat(format);
			}
			dataSheet.addCell(lbl);
		} else if (cell.getType() == CellType.STRING_FORMULA) {
			System.out.println("Formula modify not supported!");
		}
	}

	/**
	 * 得到公式
	 * 
	 * @param col
	 *            int : 列
	 * @param row
	 *            int : 行
	 * @param startPos
	 *            int : 开始位置
	 * @param endPos
	 *            int : 结束位置
	 * @return String
	 * @throws RowsExceededException
	 * @throws WriteException
	 */
	private String getFormula(int col, int row, int startPos, int endPos) throws RowsExceededException, WriteException {
		char base = 'A';
		char c1 = base;
		StringBuffer formula = new StringBuffer(128);
		// 组装公式
		formula.append("SUM(");
		if (col <= 25) {
			c1 = (char) (col % 26 + base);
			formula.append(c1).append(startPos).append(":").append(c1).append(endPos).append(")");
		} else if (col > 25) {
			char c2 = (char) ((col - 26) / 26 + base);
			c1 = (char) ((col - 26) % 26 + base);
			formula.append(c2).append(c1).append(startPos).append(":").append(c2).append(c1).append(endPos).append(")");
		}

		return formula.toString();
	}

	/**
	 * 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 Integer) {
				jxl.write.Number labelNF = new jxl.write.Number(col, row, (Integer) 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);
		}
	}

	/**
	 * 插入图像到单元格（图像格式只支持png）
	 * 
	 * @param dataSheet
	 *            WritableSheet : 工作表
	 * @param col
	 *            int : 列
	 * @param row
	 *            int : 行
	 * @param width
	 *            int : 宽
	 * @param height
	 *            int : 高
	 * @param imgName
	 *            String : 图像的全路径
	 * @throws RowsExceededException
	 * @throws WriteException
	 */
	private void insertImgCell(WritableSheet dataSheet, int col, int row, int width, int height, String imgName)
			throws RowsExceededException, WriteException {
		File imgFile = new File(imgName);
		WritableImage img = new WritableImage(col, row, width, height, imgFile);
		dataSheet.addImage(img);
	}

	/**
	 * 读取excel
	 * 
	 * @param inputFile
	 * @param inputFileSheetIndex
	 * @throws Exception
	 */
	public ArrayList<String> readDataFromExcel(File inputFile, int inputFileSheetIndex) {
		ArrayList<String> list = new ArrayList<String>();
		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.LIME);
		} 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.TOP, BorderLineStyle.THIN);
			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;
	}

	/**
	 * 得到数据格式
	 * 
	 * @return
	 */
	public WritableCellFormat getDataCellFormat(CellType type, String fontType, int fontSize, jxl.format.Colour fontColour,
			jxl.format.Colour background) {
		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.createFont(fontType == null ? "宋体" : fontType), fontSize,
						WritableFont.NO_BOLD, false, jxl.format.UnderlineStyle.NO_UNDERLINE, fontColour == null ? jxl.format.Colour.BLACK
								: fontColour);// 其中的false是 是否italic
				wcf = new WritableCellFormat(wf);
			}
			// 对齐方式
			wcf.setAlignment(Alignment.CENTRE);
			wcf.setVerticalAlignment(VerticalAlignment.CENTRE);
			// 边框
			wcf.setBorder(Border.TOP, BorderLineStyle.THIN);
			wcf.setBorder(Border.LEFT, BorderLineStyle.THIN);
			wcf.setBorder(Border.BOTTOM, BorderLineStyle.THIN);
			wcf.setBorder(Border.RIGHT, BorderLineStyle.THIN);
			// 背景色
			wcf.setBackground(background == null ? Colour.BLACK : background);

			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[] titleData = { "编号", "姓名", "年龄", "出生日期" };
		JExcelUtils jxl = new JExcelUtils();
		String filePath = "C:/test.xls";
		jxl.createExcelFile(filePath, "sheet1", titleData, "人员信息表", "D:/LogoPNG.png");

		jxl.readDataFromExcel(new File(filePath), 0);
		jxl.openExcel("C:/Program Files/Microsoft Office/OFFICE12/EXCEL.EXE", filePath);
	}

	public static List<Person> getData() {
		List<Person> list = new ArrayList<Person>();
		Person person1 = new Person();
		person1.setId(1);
		person1.setName("wangyu");
		person1.setSex(20);
		// SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		// String newdate = sdf.format(new Date());
		person1.setBirthday(new Date(System.currentTimeMillis()));

		Person person2 = new Person();
		person2.setId(2);
		person2.setName("zhangsan");
		person2.setSex(29);
		person2.setBirthday(new Date(System.currentTimeMillis()));

		Person person3 = new Person();
		person3.setId(3);
		person3.setName("lisi");
		person3.setSex(18);
		person3.setBirthday(new Date(System.currentTimeMillis()));
		list.add(person1);
		list.add(person2);
		list.add(person3);
		return list;
	}
}

class Person {
	private int id;
	private String name;
	private int sex;
	private Date birthday;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getSex() {
		return sex;
	}

	public void setSex(int sex) {
		this.sex = sex;
	}

	public Date getBirthday() {
		return birthday;
	}

	public void setBirthday(Date birthday) {
		this.birthday = birthday;
	}
}