java利用jxl生成excel文件

package com.test.read; import java.io.File; import java.io.IOException; import jxl.Cell; import jxl.Sheet; import jxl.Workbook; import jxl.format.Border; import jxl.format.BorderLineStyle; import jxl.format.Colour; import jxl.read.biff.BiffException; 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; /** * 写excel * * @author user * */ public class writeExcel { public void writeExc(File filename) { WritableWorkbook wwb = null; try { wwb = Workbook.createWorkbook(filename); } catch (Exception e) { e.printStackTrace(); } // 创建Excel工作表 WritableSheet ws = wwb.createSheet("通讯录", 0);// 创建sheet try { ws.mergeCells(0, 0, 2, 1);// 合并单元格(左列，左行，右列，右行)从第1行第1列到第2行第3列 Label header = new Label(0, 0, "通讯录(191026班)", getHeader()); ws.addCell(header);// 写入头 Label l = new Label(0, 2, "姓名", getTitle());// 第3行 ws.addCell(l); l = new Label(1, 2, "电话", getTitle()); ws.addCell(l); l = new Label(2, 2, "地址", getTitle()); ws.addCell(l); l = new Label(0, 3, "小祝", getNormolCell());// 第4行 ws.addCell(l); l = new Label(1, 3, "1314***0974", getNormolCell()); ws.addCell(l); l = new Label(2, 3, "武汉武昌", getNormolCell()); ws.addCell(l); l = new Label(0, 4, "小施", getNormolCell());// 第5行 ws.addCell(l); l = new Label(1, 4, "1347***5057", getNormolCell()); ws.addCell(l); l = new Label(2, 4, "武汉武昌", getNormolCell()); ws.addCell(l); ws.setColumnView(0, 20);// 设置列宽 ws.setColumnView(1, 20); ws.setColumnView(2, 40); ws.setRowView(0, 400);// 设置行高 ws.setRowView(1, 400); ws.setRowView(2, 500); ws.setRowView(3, 500); ws.setRowView(4, 500); } catch (RowsExceededException e1) { e1.printStackTrace(); } catch (WriteException e1) { e1.printStackTrace(); } // 输出流 try { wwb.write(); } catch (IOException ex) { ex.printStackTrace(); } // 关闭流 try { wwb.close(); } catch (WriteException ex) { ex.printStackTrace(); } catch (IOException ex) { ex.printStackTrace(); } // outStream.close(); System.out.println("写入成功！\n"); } public void readExc(File filename) throws BiffException, IOException { Workbook wb = Workbook.getWorkbook(filename); Sheet s = wb.getSheet(0);// 第1个sheet Cell c = null; int row = s.getRows();// 总行数 int col = s.getColumns();// 总列数 for (int i = 0; i < row; i++) { for (int j = 0; j < col; j++) { c = s.getCell(j, i); System.out.print(c.getContents() + " "); } System.out.println(); } } /** * 设置头的样式 * * @return */ public static WritableCellFormat getHeader() { WritableFont font = new WritableFont(WritableFont.TIMES, 24, WritableFont.BOLD);// 定义字体 try { font.setColour(Colour.BLUE);// 蓝色字体 } catch (WriteException e1) { e1.printStackTrace(); } WritableCellFormat format = new WritableCellFormat(font); try { format.setAlignment(jxl.format.Alignment.CENTRE);// 左右居中 format.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);// 上下居中 format.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);// 黑色边框 format.setBackground(Colour.YELLOW);// 黄色背景 } catch (WriteException e) { e.printStackTrace(); } return format; } /** * 设置标题样式 * * @return */ public static WritableCellFormat getTitle() { WritableFont font = new WritableFont(WritableFont.TIMES, 14); try { font.setColour(Colour.BLUE);// 蓝色字体 } catch (WriteException e1) { e1.printStackTrace(); } WritableCellFormat format = new WritableCellFormat(font); try { format.setAlignment(jxl.format.Alignment.CENTRE); format.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE); format.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK); } catch (WriteException e) { e.printStackTrace(); } return format; } /** * 设置其他单元格样式 * * @return */ public static WritableCellFormat getNormolCell() { // 12号字体,上下左右居中,带黑色边框 WritableFont font = new WritableFont(WritableFont.TIMES, 12); WritableCellFormat format = new WritableCellFormat(font); try { format.setAlignment(jxl.format.Alignment.CENTRE); format.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE); format.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK); } catch (WriteException e) { e.printStackTrace(); } return format; } public static void main(String[] args) throws IOException, BiffException { writeExcel wr = new writeExcel(); File f = new File("D:\\Users\\address.xls"); f.createNewFile(); wr.writeExc(f); wr.readExc(f); } }