本文实例讲述了Jexcel实现按一定规则分割excel文件的方法。分享给大家供大家参考。具体如下：

现有一个excel文档，需要读取它并按照一定的规则，分割之，分割出来的每一段记录需要单独创建一个excel文档并写入其中，一定要保证单元格格式的一致性。

package edu.bjut.zhutong.excelParser;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import jxl.Cell;

import jxl.CellType;

import jxl.Sheet;

import jxl.Workbook;

import jxl.format.Alignment;

import jxl.format.Border;

import jxl.format.BorderLineStyle;

import jxl.format.Colour;

import jxl.format.VerticalAlignment;

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;

public class ExcelParser {

public static void main(String[] args) {

Workbook wb = null;

try {

//获得了Workbook对象之后，就可以通过它得到Sheet(工作表)对象了

InputStream is = new FileInputStream("C:/excel/excel.xls");

wb = Workbook.getWorkbook(is);

// 获得第一个工作表对象

Sheet sheet = wb.getSheet(0);

//获得工作表的行数和列数

int rows = sheet.getRows();

int cols = sheet.getColumns();

System.out.println("一共 " + rows + " 行");

System.out.println("一共 " + cols + " 列");

int counter = 0; //工作表行游标

int fileCounts = 1; //用来标识创建的excel文档数目

while(counter

//得到counter行的所有单元格

Cell[] rowCells = sheet.getRow(counter);

Cell cell0 = rowCells[0];

//判断单元格内容的类型

if(cell0.getType() == CellType.LABEL) {

System.out.println("正在解析第 " + fileCounts + " 个文件....");

//新建一个excel文档

File file = new File("C:/excel/excel" + fileCounts + ".xls");

WritableWorkbook wwb = Workbook.createWorkbook(file);

//设置excel文档的工作表

WritableSheet ws = wwb.createSheet("sheet1", 0);

//第一行合并第0到第8列

ws.mergeCells(0, 0, 8, 0);

//设置第7,8,9列的列宽

ws.setColumnView(6, 10);

ws.setColumnView(7, 45);

ws.setColumnView(8, 27);

//向新建的表中写入数据，首先第一行先写入标题

for(int k=0; k

//创建WritableFont对象用来格式化字体，这里是20号宋体，加粗

WritableFont wf = new WritableFont(WritableFont.createFont("宋体"), 20, WritableFont.BOLD, false);

//使用WritableFont创建单元格格式化对象

WritableCellFormat wcf = new WritableCellFormat(wf);

//设置水平对齐方式

wcf.setAlignment(Alignment.CENTRE);

//设置垂直对齐方式

wcf.setVerticalAlignment(VerticalAlignment.CENTRE);

//设置边框和颜色

wcf.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);

Cell cell = rowCells[k];

Label label = new Label(k,0,cell.getContents(),wcf);

//添加单元格到表中

ws.addCell(label);

//设置第一行的行高

ws.setRowView(0, 30*20, false);

}

//向新建的表中写入数据，第二行写入表头

for(int c=0; c

String colCon = sheet.getCell(c, 1).getContents();

WritableFont wf = new WritableFont(WritableFont.createFont("宋体"), 12, WritableFont.BOLD, false);

WritableCellFormat wcf = new WritableCellFormat(wf);

wcf.setAlignment(Alignment.CENTRE);

wcf.setVerticalAlignment(VerticalAlignment.CENTRE);

wcf.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);

ws.addCell(new Label(c,1,colCon,wcf));

ws.setRowView(1, 18*20, false);

}

int rowCounts = 1; //用来遍历50

counter++; //将游标移动到下一行

if(counter == 1) //如果游标到了第二行 ，就自动把游标移动到第三行，第二行不需要处理

counter = 2;

int rowIndex = 2; //每篇excel文档的游标

rowCells = sheet.getRow(counter);

cell0 = rowCells[0];

while(cell0.getType() == CellType.NUMBER && counter

rowCells = sheet.getRow(counter);

for(int k=0; k

WritableFont wf = new WritableFont(WritableFont.createFont("宋体"), 12, WritableFont.NO_BOLD, false);

WritableCellFormat wcf = new WritableCellFormat(wf);

wcf.setAlignment(Alignment.CENTRE);

wcf.setVerticalAlignment(VerticalAlignment.CENTRE);

wcf.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);

Label label = new Label(k,rowIndex,rowCells[k].getContents(),wcf);

ws.addCell(label);

}

//用来处理备注列的边框

{

WritableFont wf = new WritableFont(WritableFont.createFont("宋体"), 12, WritableFont.NO_BOLD, false);

WritableCellFormat wcf = new WritableCellFormat(wf);

wcf.setAlignment(Alignment.CENTRE);

wcf.setVerticalAlignment(VerticalAlignment.CENTRE);

wcf.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);

Label label = new Label(8,rowIndex,"",wcf);

ws.addCell(label);

}

ws.setRowView(rowIndex, 18*20, false);

rowIndex++;

counter++;

cell0 = sheet.getRow(counter)[0];

}

wwb.write();

wwb.close();

fileCounts++;

}

}

System.out.println("程序执行结束....");

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (BiffException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

} catch (RowsExceededException e) {

e.printStackTrace();

} catch (WriteException e) {

e.printStackTrace();

} finally {

wb.close(); //关闭Workbook对象

}

}

}

希望本文所述对大家的java程序设计有所帮助。