Java操作Excel（使用JXL）

 1 package com.ljf.mb;
 2 
 3 import java.io.FileInputStream;
 4 import java.io.InputStream;
 5 
 6 import jxl.Cell;
 7 import jxl.Sheet;
 8 import jxl.Workbook;
 9 
10 public class ReadExcel
11 {
12     public static void main(String[] args) throws Exception
13     {
14         {
15             String filePath = "d:/.xls"; //文件在电脑中的位置
16             InputStream is = new FileInputStream(filePath);
17             Workbook rwb = Workbook.getWorkbook(is);
18 
19             Sheet rs = rwb.getSheet(0);// 获取第一张Sheet表
20             int hangNum = rs.getRows();//得到总行数
21 
22             for (int i = 1; i < hangNum; i++)
23             {
24             String name = getCallStr(rs, i, 5).trim(); //得到第i行，第5列数据，行列均是从0开始
25             String gg = getCallStr(rs, i, 6).trim();
26             System.out.println(name + "   " + gg);  //组织自己想要的输出 
27             }
28             }
29             }
30 
31     /**
32      * 功能描述：得到工作表中某个单元格的数据
33      *</br>日期：2013-3-29
34      *</br>@author ： 劲风
35      *</br>@param rs 工作表对象
36      *</br>@param hang  行数，从0开始
37      *</br>@param lie 列数，从0开始
38      *</br>@return  单元格的内容
39      */
40     public static String getCallStr(Sheet rs, int hang, int lie)
41     {
42         Cell cell = rs.getCell(lie, hang);
43         String value = cell.getContents();
44         if (value != null)
45         {
46             return value.trim();
47         }
48         return "";
49     }
50 }

 1 import java.io.File;
 2 import jxl.Workbook;
 3 import jxl.write.Label;
 4 import jxl.write.WritableSheet;
 5 import jxl.write.WritableWorkbook;
 6 
 7 public class WriteExcel
 8 {
 9 
10     public static void main(String[] args) throws Exception
11     {
12          WritableWorkbook wwb = null;   
13          WritableSheet ws = null;
14          try 
15          {   
16                 //首先要使用Workbook类的工厂方法创建一个可写入的工作薄(Workbook)对象   
17                 wwb = Workbook.createWorkbook(new File("d:/tables/one.xls"));   
18                 if(wwb!=null)
19                 {   
20                     //创建一个可写入的工作表   
21                     ws = wwb.createSheet("sheet1", 0); //第一个是工作表的名称，第二个是工作表在工作薄中的位置   
22                        
23                     //下面开始添加单元格   
24                     Label lab00 = creatLabel(0, 0, "姓名");  //行，列，内容
25                     Label lab01 = creatLabel(0, 1, "年龄");  //行，列，内容
26                     Label lab10 = creatLabel(1, 0, "张三");  //行，列，内容
27                     Label lab11 = creatLabel(1, 1, "20");  //行，列，内容
28                     
29                     ws.addCell(lab00);
30                     ws.addCell(lab01);
31                     ws.addCell(lab10);
32                     ws.addCell(lab11);
33                     
34                     wwb.write();    //从内存中写入文件中   
35                     wwb.close(); //关闭资源，释放内存   
36                 }
37             } 
38             catch (Exception e) 
39             {   
40                 e.printStackTrace();   
41             }   
42              
43 
44         
45     }
46 
47     public static Label creatLabel(int hang,int lie,String con) //行，列，内容
48     {
49         return new Label(lie, hang, con); 
50     }
51 }

<a href="javascript:void(0)" class="easyui-linkbutton exportBtn" iconCls="glyphicon-export" plain="true" onclick="exportCsv()">导出</a>

......

<script type="text/javascript">
//导出（未实现）
function exportCsv() {
    var option = datagrid.datagrid("options");
    var param = option.queryParams;
    param.sortName = option.sortName;
    param.sortOrder = option.sortOrder;
    window.location.href = "exportExcel?" + $.param(param);
}
</script>

  1 /**
  2      * 导出Excel
  3      * @throws Exception 
  4      */
  5     @RequestMapping("/exportExcel")
  6     public void exportExcel(HttpServletResponse response,OutBillVo vo) throws Exception {
  7         
  8         List<OutBill> ls=service.exportExcelQuery(vo); //取得导出数据
  9         
 10         File file = new File("aaa.xls");
 11         jxl.write.WritableWorkbook book = Workbook.createWorkbook(file); //工作薄
 12         jxl.write.WritableSheet sheet = book.createSheet("Sheet1", 0); //工作表
 13         
 14         //设置行高
 15         sheet.getSettings().setDefaultRowHeight(350); //设置所有行默认行高
 16         sheet.setRowView(0, 700);//第1行 高度
 17         sheet.setRowView(1, 400);//第2行 高度
 18         
 19         //设置个别列宽
 20         sheet.setColumnView(1, 16);//宽度设置：登记时间
 21         sheet.setColumnView(8, 16);//宽度设置：出发时间
 22         sheet.setColumnView(9, 16);//宽度设置：归队时间
 23         sheet.setColumnView(6, 12);//宽度设置：用车部门
 24         sheet.setColumnView(7, 16);//宽度设置：目的地
 25         sheet.setColumnView(18, 12);//宽度设置：车辆状况
 26         sheet.setColumnView(19, 16);//宽度设置：备注
 27         
 28         //定义格式
 29         //主标题格式
 30         WritableCellFormat formatterTitle= new WritableCellFormat(); //标题格式
 31         formatterTitle.setAlignment(Alignment.CENTRE);//水平对齐
 32         formatterTitle.setVerticalAlignment(VerticalAlignment.CENTRE);//垂直对齐
 33         //WritableFont font = new WritableFont(WritableFont.createFont("ＭＳ Ｐゴシック"), 18, WritableFont.BOLD, false); //黑体
 34         WritableFont font = new WritableFont(WritableFont.TAHOMA, 18, WritableFont.BOLD, false);
 35         formatterTitle.setFont(font);
 36         
 37         //列标题格式
 38         WritableCellFormat formatterColumnTitle= new WritableCellFormat(); //列标题格式
 39         formatterColumnTitle.setAlignment(Alignment.CENTRE);//水平对齐
 40         formatterColumnTitle.setVerticalAlignment(VerticalAlignment.CENTRE);//垂直对齐
 41         formatterColumnTitle .setBackground(Colour.GRAY_25);//背景色
 42         formatterColumnTitle.setBorder(Border.ALL, BorderLineStyle.THIN);//边框线  所有边框 细线
 43 
 44         //普通内容格式
 45         WritableCellFormat formatterCon= new WritableCellFormat(); //内容格式
 46         formatterCon.setAlignment(Alignment.CENTRE);//水平对齐
 47         formatterCon.setVerticalAlignment(VerticalAlignment.CENTRE);//垂直对齐
 48         formatterCon.setBorder(Border.ALL, BorderLineStyle.THIN);//边框线  所有边框 细线
 49         
 50         //合计行格式
 51         WritableCellFormat formatterSum= new WritableCellFormat(); //合计格式
 52         formatterSum.setAlignment(Alignment.CENTRE);//水平对齐
 53         formatterSum.setVerticalAlignment(VerticalAlignment.CENTRE);//垂直对齐
 54         formatterSum.setBorder(Border.ALL, BorderLineStyle.THIN);//边框线  所有边框 细线
 55         WritableFont font_sum = new WritableFont(WritableFont.TAHOMA, 10, WritableFont.BOLD, false);
 56         formatterSum.setFont(font_sum);
 57         
 58         //输出标题
 59         sheet.mergeCells(0, 0, 19, 0); //合并单元格（标题）
 60         sheet.addCell(creatLabel(0,0,"车辆外出登记表",formatterTitle));
 61 
 62         //输出列标题
 63         int rowNum=1; //行号
 64         int columnNum=0; //列号
 65         sheet.addCell(creatLabel(rowNum,columnNum++,"序号",formatterColumnTitle));
 66         sheet.addCell(creatLabel(rowNum,columnNum++,"登记时间",formatterColumnTitle));
 67         sheet.addCell(creatLabel(rowNum,columnNum++,"车辆",formatterColumnTitle));
 68         sheet.addCell(creatLabel(rowNum,columnNum++,"驾驶员",formatterColumnTitle));
 69         sheet.addCell(creatLabel(rowNum,columnNum++,"用车人",formatterColumnTitle));
 70         sheet.addCell(creatLabel(rowNum,columnNum++,"审批人",formatterColumnTitle));
 71         sheet.addCell(creatLabel(rowNum,columnNum++,"用车部门",formatterColumnTitle));
 72         sheet.addCell(creatLabel(rowNum,columnNum++,"目的地",formatterColumnTitle));
 73         sheet.addCell(creatLabel(rowNum,columnNum++,"出发时间",formatterColumnTitle));
 74         sheet.addCell(creatLabel(rowNum,columnNum++,"归队时间",formatterColumnTitle));
 75         sheet.addCell(creatLabel(rowNum,columnNum++,"总时长",formatterColumnTitle));
 76         sheet.addCell(creatLabel(rowNum,columnNum++,"等待时长",formatterColumnTitle));
 77         sheet.addCell(creatLabel(rowNum,columnNum++,"出发里程",formatterColumnTitle));
 78         sheet.addCell(creatLabel(rowNum,columnNum++,"归队里程",formatterColumnTitle));
 79         sheet.addCell(creatLabel(rowNum,columnNum++,"使用里程",formatterColumnTitle));
 80         sheet.addCell(creatLabel(rowNum,columnNum++,"加油金额",formatterColumnTitle));
 81         sheet.addCell(creatLabel(rowNum,columnNum++,"过/停费",formatterColumnTitle));
 82         sheet.addCell(creatLabel(rowNum,columnNum++,"总费用",formatterColumnTitle));
 83         sheet.addCell(creatLabel(rowNum,columnNum++,"车辆状况",formatterColumnTitle));
 84         sheet.addCell(creatLabel(rowNum,columnNum++,"备注",formatterColumnTitle));
 85         
 86         //合计项
 87         int useNum = 0; // 使用里程
 88         double useTime = 0; // 使用时长(小时，保留一位小数)
 89         double waitTime = 0; // 等待时间(小时，保留一位小数)
 90         double fuelNum = 0; // 加油费
 91         double otherFee = 0; // 其他费用（过路费、停车费）
 92         double allFee = 0; // 全部费用
 93     
 94         if(ls != null && ls.size() > 0)
 95         {
 96             SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm"); //日期格式化
 97             for(int i = 0; i < ls.size(); i++)
 98             {
 99                 OutBill bo = ls.get(i); 
100                 rowNum++;
101                 columnNum=0;
102                 
103                 //非必填项Null值处理
104                 Double fuelNumDouble = bo.getFuelNum(); //加油费
105                 Double otherFeeDouble = bo.getOtherFee(); //其他费用（过路费、停车费）
106                 String remark = bo.getRemark(); //备注
107                 String  carStatus = bo.getCarStatus(); //车辆状况
108                 
109                 String fuelNumStr = ""; //
110                 if(fuelNumDouble != null){fuelNumStr = fuelNumDouble.toString();}
111                 String otherFeeStr = ""; //
112                 if(otherFeeDouble != null){otherFeeStr = otherFeeDouble.toString();}
113                 if(remark == null){remark="";}
114                 if(carStatus == null){remark="";}
115                 
116                 //输出一行数据
117                 sheet.addCell(creatLabel(rowNum,columnNum++,(i+1)+"",formatterCon)); //序号
118                 sheet.addCell(creatLabel(rowNum,columnNum++,formatter.format(bo.getAddTime()) ,formatterCon)); //登记时间
119                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getCar().getName() ,formatterCon)); //车辆
120                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getDriver() ,formatterCon)); //驾驶员
121                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getUser() ,formatterCon)); //用车人
122                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getApprover(),formatterCon)); //审批人
123                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getOrgan().getName() ,formatterCon)); //用车部门
124                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getDestination() ,formatterCon)); //目的地
125                 sheet.addCell(creatLabel(rowNum,columnNum++,formatter.format(bo.getBeginTime()) ,formatterCon)); //出发时间
126                 sheet.addCell(creatLabel(rowNum,columnNum++,formatter.format(bo.getEndTime()) ,formatterCon)); //归队时间
127                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getUseTime()+"" ,formatterCon)); //总时长
128                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getWaitTime()+"" ,formatterCon)); //等待时长
129                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getBeginNum()+"" ,formatterCon)); //出发里程
130                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getEndNum()+"" ,formatterCon)); //归队里程
131                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getUseNum()+"" ,formatterCon)); //使用里程
132                 sheet.addCell(creatLabel(rowNum,columnNum++,fuelNumStr ,formatterCon)); //加油金额
133                 sheet.addCell(creatLabel(rowNum,columnNum++,otherFeeStr ,formatterCon)); //过 / 停费
134                 sheet.addCell(creatLabel(rowNum,columnNum++,bo.getAllFee()+"" ,formatterCon)); //总费用
135                 sheet.addCell(creatLabel(rowNum,columnNum++,carStatus ,formatterCon)); //车辆状况
136                 sheet.addCell(creatLabel(rowNum,columnNum++,remark,formatterCon)); //备注
137                 
138                 //合计项累加
139                 if(bo.getUseNum() != null)
140                 {
141                     useNum += bo.getUseNum();
142                 }
143                 if(bo.getUseTime() != null)
144                 {
145                     useTime += bo.getUseTime();
146                 }
147                 if(bo.getWaitTime() != null)
148                 {
149                     waitTime += bo.getWaitTime();
150                 }
151                 if(bo.getFuelNum() != null)
152                 {
153                     fuelNum += bo.getFuelNum();
154                 }
155                 if(bo.getOtherFee() != null)
156                 {
157                     otherFee += bo.getOtherFee();
158                 }
159                 if(bo.getAllFee() != null)
160                 {
161                     allFee += bo.getAllFee();
162                 }
163             }
164             
165             //表格增加合计项
166             rowNum++;
167             columnNum = 0;
168             sheet.setRowView(rowNum, 400);//合计行 高度
169             
170             sheet.addCell(creatLabel(rowNum,columnNum++,"",formatterSum)); //序号
171             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //登记时间
172             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //车辆
173             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //驾驶员
174             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //用车人
175             sheet.addCell(creatLabel(rowNum,columnNum++,"",formatterSum)); //审批人
176             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //用车部门
177             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //目的地
178             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //出发时间
179             sheet.addCell(creatLabel(rowNum,columnNum++,"合计",formatterSum)); //归队时间
180             sheet.addCell(creatLabel(rowNum,columnNum++,useTime+"" ,formatterSum)); //总时长
181             sheet.addCell(creatLabel(rowNum,columnNum++,waitTime+"" ,formatterSum)); //等待时长
182             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //出发里程
183             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //归队里程
184             sheet.addCell(creatLabel(rowNum,columnNum++,useNum+"" ,formatterSum)); //使用里程
185             sheet.addCell(creatLabel(rowNum,columnNum++,fuelNum+"" ,formatterSum)); //加油金额
186             sheet.addCell(creatLabel(rowNum,columnNum++,otherFee+"" ,formatterSum)); //过 / 停费
187             sheet.addCell(creatLabel(rowNum,columnNum++,allFee+"" ,formatterSum)); //总费用
188             sheet.addCell(creatLabel(rowNum,columnNum++,"" ,formatterSum)); //车辆状况
189             sheet.addCell(creatLabel(rowNum,columnNum++,"",formatterSum)); //备注
190             
191         }
192         
193         //-------------------------------
194 
195         book.write();
196         book.close();
197 
198         FileInputStream f = new FileInputStream(file);
199         byte[] fb = new byte[f.available()];
200         f.read(fb);
201         response.setHeader("Content-disposition", "attachment; filename=" + new String("出车记录.xls".getBytes("gb2312"), "iso8859-1"));
202         ByteArrayInputStream bais = new ByteArrayInputStream(fb);
203         int b;
204         while ((b = bais.read()) != -1)
205         {
206             response.getOutputStream().write(b);
207         }
208         response.getOutputStream().flush();
209         f.close();
210         
211     }
212     
213     private Label creatLabel(int rowNum,int columnNum,String con,WritableCellFormat formatter) //行，列，内容 ，格式化
214     {  
215          return new Label(columnNum, rowNum, con,formatter);   
216     }