JXL简单操作
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2022-07-14 12:26:25
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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;
}
}
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