java 运用jxl 读取和输出Excel

文章结尾源码以及jxl包

1、输出excel：

package JmExcel;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import jxl.Workbook;
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 JavaMakeExcel {
    private List list = new ArrayList();

    public  void createQuarterlyExcel(OutputStream os) throws IOException, RowsExceededException, WriteException, InterruptedException{
        //创建一个工作薄excel文档
        WritableWorkbook workbook = Workbook.createWorkbook(os);
        //创建一个表sheet，一个工作薄可以有多个sheet
        WritableSheet sheet = workbook.createSheet("季度报", 0);
        //设置列宽，行列开始下标均为0
        sheet.setColumnView(0, 4);
        sheet.setColumnView(1, 10);
        sheet.setColumnView(2, 16);
        sheet.setColumnView(3, 20);
        sheet.setColumnView(4, 8);
        sheet.setColumnView(5, 12);
        sheet.setColumnView(6, 7);
        sheet.setColumnView(7, 12);
        sheet.setColumnView(8, 20);
        sheet.setColumnView(9, 20);
        sheet.setColumnView(10,20);
        sheet.setColumnView(11,16);

        Calendar cal = Calendar.getInstance();
        //添加合并单元格，第一个参数是起始列，第二个参数是起始行，第三个参数是终止列，第四个参数是终止行
        sheet.mergeCells(0, 0, 1, 0);
        //创建一个单元格，第一个参数为开始列，第二个参数为开始行，第三个参数为填充内容，第四个参数(可省略)内容格式
        Label fj = new Label(0,0,"附件：");
        //在表中添加该单元格
        sheet.addCell(fj);
        //合并单元格，第一个参数是起始列，第二个参数是起始行，第三个参数是终止列，第四个参数是终止行
        sheet.mergeCells(0, 1, 11, 1);
        //创建内容样式1：表头样式，设置字体种类和黑体显示,字体为Arial,字号大小为22,加粗
        WritableFont bold = new WritableFont(WritableFont.createFont("宋体"),22,WritableFont.BOLD);
        WritableCellFormat titleFormate = new WritableCellFormat(bold);//生成一个单元格样式控制对象
        titleFormate.setAlignment(jxl.format.Alignment.CENTRE);//单元格中的内容水平方向居中
        titleFormate.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);//单元格的内容垂直方向居中
        //Label(开始列,开始行,labeltitle,格式化);
        Label title = new Label(0,1,"**区"+cal.get(cal.YEAR)+"年市委市政府重点工作落实情况表",titleFormate);
        //设置行高，.setRowView(行下标，高度值)
        sheet.setRowView(1, 700, false);
        sheet.addCell(title);

        //创建内容样式2：表列头样式
        WritableFont color = new WritableFont(WritableFont.createFont("宋体"),10,WritableFont.BOLD);
        WritableCellFormat colorFormat = new WritableCellFormat(color);
        colorFormat.setAlignment(jxl.format.Alignment.CENTRE);
        colorFormat.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
        colorFormat.setBorder(jxl.format.Border.ALL,jxl.format.BorderLineStyle.THIN);
        colorFormat.setWrap(true);
        //创建内容样式3
        WritableFont size = new WritableFont(WritableFont.createFont("宋体"),8,WritableFont.BOLD);
        WritableCellFormat colorFormat2 = new WritableCellFormat(size);
        colorFormat2.setAlignment(jxl.format.Alignment.CENTRE);
        colorFormat2.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
        colorFormat2.setBorder(jxl.format.Border.ALL,jxl.format.BorderLineStyle.THIN);
        colorFormat2.setWrap(true);

        sheet.setRowView(2, 350, false);
        //填充表头
        sheet.mergeCells(0, 2, 0, 3);
        Label index = new Label(0,2,"序号",colorFormat);
        sheet.addCell(index);
        sheet.mergeCells(1, 2, 1, 3);
        Label leibie = new Label(1,2,"类别",colorFormat);
        sheet.addCell(leibie);
        sheet.mergeCells(2, 2, 2, 3);
        Label aim = new Label(2,2,"区年度具体目标",colorFormat);
        sheet.addCell(aim);
        Label aim2 = new Label(3,2,"工作目标",colorFormat);
        sheet.addCell(aim2);
        Label quarter = new Label(3,3,"三季度",colorFormat);
        sheet.addCell(quarter);
        sheet.mergeCells(4, 2, 4, 3);
        Label localHead = new Label(4,2,"区分管领导",colorFormat);
        sheet.addCell(localHead);
        sheet.mergeCells(5, 2, 5, 3);
        Label deptname = new Label(5,2,"牵头单位",colorFormat);
        sheet.addCell(deptname);
        sheet.mergeCells(6, 2, 6, 3);
        Label checker = new Label(6,2,"责任人",colorFormat);
        sheet.addCell(checker);
        sheet.mergeCells(7, 2, 7, 3);
        Label assist = new Label(7,2,"协办单位",colorFormat);
        sheet.addCell(assist);
        sheet.mergeCells(8, 2, 8, 3);
        Label finish = new Label(8,2,"落实情况",colorFormat);
        sheet.addCell(finish);
        sheet.mergeCells(9, 2, 9, 3);
        Label problem = new Label(9,2,"存在问题",colorFormat);
        sheet.addCell(problem);
        sheet.mergeCells(10, 2, 10, 3);
        Label next = new Label(10,2,"下部措施",colorFormat);
        sheet.addCell(next);
        sheet.mergeCells(11, 2, 11, 3);
        Label waring = new Label(11,2,"完成状态(按计划进行、进度顺利但有延误风险、延误)",colorFormat2);
        sheet.addCell(waring);
        //创建内容样式4：表正文样式
        WritableFont zw = new WritableFont(WritableFont.createFont("宋体"),10);
        WritableCellFormat zwFormat = new WritableCellFormat(zw);
        zwFormat.setAlignment(jxl.format.Alignment.CENTRE);
        zwFormat.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
        zwFormat.setBorder(jxl.format.Border.ALL,jxl.format.BorderLineStyle.THIN);
        zwFormat.setWrap(true);  //换行：正文样式添加自动换行
        //遍历输出正文
        for (int i = 0; i < list.size(); i++) {
            Map m = (Map) list.get(i);
            String lbstr = String.valueOf(m.get("lb"));
            String year_target = String.valueOf(m.get("year_target"));
            String quarterly_target = String.valueOf(m.get("quarterly_target"));
            String head_name = String.valueOf(m.get("head_name"));
            String person_liable = String.valueOf(m.get("person_liable"));
            String main_dept_name = String.valueOf(m.get("main_dept_name"));
            String assist_dept_name = String.valueOf(m.get("assist_dept_name"));
            String contentes = String.valueOf(m.get("contentes"));
            String problem1 = String.valueOf(m.get("problem"));
            String nextplan = String.valueOf(m.get("nextplan"));
            String waringstr = null;
            String struts = String.valueOf(m.get("status"));
            struts= (struts.equals("null")) ? "1" : struts;
            int waringflag = Integer.parseInt(struts) ;
            if (waringflag == 1) {
                waringstr = "按计划进行";
            }else if (waringflag == 2) {
                waringstr = "进度顺利但有延误风险";
            }else if (waringflag == 3) {
                waringstr = "延误";
            }

            Label index2 = new Label(0,i+4,String.valueOf(i+1),zwFormat);
            sheet.addCell(index2);
            Label lb = new Label(1,i+4,lbstr,zwFormat);
            sheet.addCell(lb);
            Label year_targetl = new Label(2,i+4,year_target,zwFormat);
            sheet.addCell(year_targetl);
            Label quarterly_targetl = new Label(3,i+4,quarterly_target,zwFormat);
            sheet.addCell(quarterly_targetl);
            Label head_namel = new Label(4,i+4,head_name,zwFormat);
            sheet.addCell(head_namel);
            Label main_dept_namel = new Label(5,i+4,main_dept_name,zwFormat);
            sheet.addCell(main_dept_namel);
            Label person_liablel = new Label(6,i+4,person_liable,zwFormat);
            sheet.addCell(person_liablel);
            Label assist_dept_namel = new Label(7,i+4,assist_dept_name,zwFormat);
            sheet.addCell(assist_dept_namel);
            Label contentesl = new Label(8,i+4,contentes,zwFormat);
            sheet.addCell(contentesl);
            Label probleml = new Label(9,i+4,problem1,zwFormat);
            sheet.addCell(probleml);
            Label nextplanl = new Label(10,i+4,nextplan,zwFormat);
            sheet.addCell(nextplanl);
            Label waringstrl = new Label(11,i+4,waringstr,zwFormat);
            sheet.addCell(waringstrl);
        }

        workbook.write();
        workbook.close();
        os.close();
    }

    public static void main(String[] args) throws RowsExceededException, WriteException, IOException {
        JavaMakeExcel jmXL = new JavaMakeExcel();
        Map map = new HashMap();
        map.put("lb", "市重点工作");
        map.put("year_target", "深入落实贯彻党的十九大会议精神");
        map.put("quarterly_target", "新开工和筹建9660套");
        map.put("head_name", "ckx");
        map.put("person_liable", "戴敏");
        map.put("main_dept_name", "区纪委");
        map.put("assist_dept_name", "督查室");
        map.put("contentes", "11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111");
        map.put("problem", "1111111111111111111111111111111111111111111111111111111111111111111");
        map.put("nextplan", "1111111");
        map.put("status", "1");

        Map map2 = new HashMap();
        map2.put("lb", "区常委会议定");
        map2.put("year_target", "刨路修路挣外快");
        map2.put("quarterly_target", "再刨一百公里");
        map2.put("head_name", "zrt");
        map2.put("person_liable", "任公仆");
        map2.put("main_dept_name", "住建局");
        map2.put("assist_dept_name", "城管大队");
        map2.put("contentes", "222222212222222222222222222222222222222222222222222222222222");
        map2.put("problem", "2222222");
        map2.put("nextplan", "2222222");
        map2.put("status", "2");
        //List list = new ArrayList();
        jmXL.list.add(map);
        jmXL.list.add(map2);
        //创建文件保存地址
        File file=new File("D:/myeclipseworkpase/我的Java输出Excel.xls");
        //新建文件输出流
        OutputStream os = new FileOutputStream(file);
        try {
            jmXL.createQuarterlyExcel(os);
        } catch (InterruptedException e) {
            System.out.println("输出失败！");
        }
    }

}

2、读取：

package JmExcel;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;

public class  JavaReadExcel{

    private String filePath;
    private List list = new ArrayList();

    public JavaReadExcel(String filePath){
        this.filePath = filePath;
    }

    private List readExcel() throws IOException, BiffException{
        //创建输入流
        InputStream stream = new FileInputStream(filePath);
        //获取Excel文件对象
        Workbook  rwb = Workbook.getWorkbook(stream);
        //获取文件的指定工作表 默认的第一个
        Sheet sheet = rwb.getSheet(0);
        //行数(表头的目录不需要，从1开始) sheet.getRows()获取excel行数
        for(int i=0; i<sheet.getRows(); i++){
             //创建一个数组 用来存储每一列的值  sheet.getColumns()获取excel列数
            String[] str = new String[sheet.getColumns()];
            Cell cell = null;
            //列数
            for(int j=0; j<sheet.getColumns(); j++){
              //获取第i行，第j列的值 sheet.getCell(逐行,逐列)
              cell = sheet.getCell(j,i);
              str[j] = cell.getContents();
            }
          //把刚获取的列存入list
          list.add(str);
        }
        return list;
    }

    private void outData(){
         for(int i=0;i<list.size();i++){
             String[] str = (String[])list.get(i);
             for(int j=0;j<str.length;j++){
              System.out.print(str[j]+'\t');
             }
             System.out.println();
         }
    }

    public static void main(String args[]) throws BiffException, IOException{
        JavaReadExcel excel = new JavaReadExcel("D:/myeclipseworkpase/我的Java输出Excel.xls");
        List li = excel.readExcel();
         for(int i=0;i<li.size();i++){
             String[] str = (String[])li.get(i);
             for(int j=0;j<str.length;j++){
              System.out.print(str[j]+'\t');
             }
             System.out.println();
         }
    }
}

源码：

链接：http://pan.baidu.com/s/1kVL2DWr 密码：h643