Jexcel实现按一定规则分割excel文件的方法

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<rows-1) {
    //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<rowcells.length; 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<cols; 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<rows-1) {
      rowcells = sheet.getrow(counter);
      for(int k=0; k<rowcells.length; 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。