Java程序实现导出Excel，支持IE低版本

 1 function exportData()
 2 {
 3         //前台接收的参数
 4     rwmc = $("#txt_rwmc").val();
 5      rwlb = $("#com_rwlb").combobox("getValues").join(",");
 6      
 7     //调用后台导出功能
 8     var service = new Service("cx.RybjcxBndService.exprotExcel");
 9     var str="<RWMC>" + rwmc + "</RWMC><RWLB>" + rwlb + "</RWLB>";
10     var res = service.doService(str);
11     var oDoc = loadXml(res);
12     if (service.getCode() != "2000") {
13         showMessage("查询失败："+service.getMessage());
14         return;
15     }
16     var nodata = oDoc.selectSingleNode("ROOT/NODATA").text;
17     if (nodata == "nodata") {
18         showMessage("无数据!");
19         return;
20     }
21     // 获取导出信息
22     var titleName = oDoc.selectSingleNode("ROOT/TITLE_NAME").text;
23     var fileName = oDoc.selectSingleNode("ROOT/FILE_NAME").text;
24     var outPutInfo = oDoc.selectSingleNode("ROOT/OUTPUTINFO").text;
25     var download_path = oDoc.selectSingleNode("ROOT/DOWNLOAD_PATH").text;
26     if (outPutInfo != "") {
27         showMessage(outPutInfo);
28         return;
29     }
30     if (confirm("导出成功!确认下载文件吗？\n文件名称为："+fileName)) {
31         var file = fileName;
32         var showfile = titleName + ".xls";
33         showfile = decodeURIComponent(showfile);
34         var idx = document.URL.indexOf("/adp");
35         if (idx == -1) {
36             alert("无法识别主机地址：" + document.URL);
37             return;
38         }
39         var host = document.URL.substring(0, idx);
40         var width = screen.width;
41         var height = screen.height;
42         debugger;
43         // 打开下载页面
44         var param = "toolbar=no,location=no,status=yes,resizable=no,scrollbars=yes,top=" + height + ",left=" + width + ",width=100,height=100";
45         // ----------------------------------------------------------
46         // 此代码块为解决ie6下导出excel失败问题，原因是ie6对window.open(url)支持度不好,
47         // 当浏览器为ie6时改用window.location.href
48         var isIE=!!window.ActiveXObject;
49         var isIE6=isIE&&!window.XMLHttpRequest;
50         if (isIE6) {
51             window.location.href=host + "/adp/work/gzkp/common/js/download_new.jsp?file=" + file + "&showfile=" + showfile + "&download_path=" + download_path;
52         } else {
53             window.open(host + "/adp/work/gzkp/common/js/download_new.jsp?file=" + file + "&showfile=" + showfile + "&download_path=" + download_path, "_blank", param);
54         }
55     }
56 }

  1 package ctais.business.gzkp.common;
  2 import java.io.File;
  3 import java.io.FileInputStream;
  4 import java.text.SimpleDateFormat;
  5 import java.util.Date;
  6 
  7 import org.apache.poi2.hssf.usermodel.HSSFCell;
  8 import org.apache.poi2.hssf.usermodel.HSSFCellStyle;
  9 import org.apache.poi2.hssf.usermodel.HSSFFont;
 10 import org.apache.poi2.hssf.usermodel.HSSFRow;
 11 import org.apache.poi2.hssf.usermodel.HSSFSheet;
 12 import org.apache.poi2.hssf.usermodel.HSSFWorkbook;
 13 
 14 import ctais.business.dashboard.service.ExportExcel;
 15 
 16 import ctais.config.Config;
 17 import ctais.services.data.DataWindow;
 18 import ctais.services.xml.XMLDataObject;
 19 import ctais.services.xml.XMLParser;
 20 import ctais.util.StringEx;
 21 import jxl.Workbook;
 22 import jxl.format.Alignment;
 23 import jxl.write.Label;
 24 import jxl.write.WritableCellFormat;
 25 import jxl.write.WritableFont;
 26 import jxl.write.WritableSheet;
 27 import jxl.write.WritableWorkbook;
 28 
 29 
 30 /**
 31  * <p>Title: 生成EXCEL文件</p>
 32  * <p>Description: 转换String字符串为EXCEL文档</p>
 33  * <p>Copyright: Copyright (c) 2004</p>
 34  * <p>Company: DC</p>
 35  * @author FENGZG
 36  * @version 1.0
 37  * 时间：2015-12-28
 38  */
 39 
 40 public class CreateExcel {
 41         private final static String CONFIG_FILE_PATH = Config.CTAIS_HOME;
 42         WritableWorkbook wwb = null;
 43         XMLDataObject xdo = null;
 44 
 45         public CreateExcel(){
 46 
 47         }
 48         
 49         /**
 50          * 生成EXCEL
 51          * @param sql 查询SQL
 52          * @param czryDm 操作人员代码
 53          * @param titles 导出列标题
 54          * @param exlTitle excel表头
 55          * @return
 56          * @throws Exception
 57          */
 58         public String newToExcel(String sql,String czryDm,String[] titles,String exlTitle) throws Exception
 59         {
 60             try {
 61                 HSSFWorkbook wb = new HSSFWorkbook();
 62                 HSSFSheet sheet = wb.createSheet();
 63                 ExportExcel exportExcel = new ExportExcel(wb, sheet);
 64                 StringBuffer sffer = new StringBuffer();
 65                 //int colNum = 30;
 66                 
 67                 DataWindow dw = DataWindow.dynamicCreate(sql.toString());
 68                 dw.setConnectionName(Icomm.GZKPJNDI);
 69                 long dwRet = dw.retrieve();
 70                 if (dwRet <= 0) {
 71                     sffer.append("<NODATA>nodata</NODATA>");
 72                     return sffer.toString();
 73                 } else {
 74                     sffer.append("<NODATA></NODATA>");
 75                 }
 76                 
 77                 int colNum = dw.getColumnCount();
 78                 
 79                 // 给工作表列定义列宽(实际应用自己更改列数)
 80                 for (short i = 0; i <= colNum; i++) {
 81                     sheet.setColumnWidth(i, (short) 4000);
 82                 }
 83                 // 创建单元格样式
 84                 HSSFCellStyle cellHeadStyle = wb.createCellStyle();
 85                 // 指定单元格居中对齐
 86                 cellHeadStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
 87                 // 指定单元格垂直居中对齐
 88                 cellHeadStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
 89                 // 指定当单元格内容显示不下时自动换行
 90                 cellHeadStyle.setWrapText(true);
 91                 // 设置单元格字体
 92                 HSSFFont headFont = wb.createFont();
 93                 headFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
 94                 headFont.setFontName("宋体");
 95                 headFont.setFontHeight((short) 200);
 96                 cellHeadStyle.setFont(headFont);
 97     
 98                 // 创建报表头部
 99                 Date dt=new Date();
100                 SimpleDateFormat sdt=new SimpleDateFormat("yyyyMMddhhmmssS");
101                 String sfm = czryDm + "_" + sdt.format(dt);
102                 
103                 // 设置列头
104                 exportExcel.createNormalHead(exlTitle, colNum-1);
105                 HSSFRow row1 = sheet.createRow(1);
106                 
107                 for(int i = 0; i < titles.length; i ++) {
108                     HSSFCell cell = row1.createCell((short)i);
109                     cell.setEncoding(HSSFCell.ENCODING_UTF_16);
110                     cell.setCellStyle(cellHeadStyle);
111                     cell.setCellValue(titles[i]);
112                 } 
113                 Object value = "";
114                 
115                 //设置表格样式
116                 HSSFCellStyle cellStyle = wb.createCellStyle();
117                 // 指定单元格居中对齐
118                 cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
119                 // 指定单元格垂直居中对齐
120                 cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
121                 // 指定当单元格内容显示不下时自动换行
122                 cellStyle.setWrapText(true);
123                 // 设置单元格字体
124                 HSSFFont font = wb.createFont();
125                 font.setBoldweight(HSSFFont.SS_NONE);
126                 font.setFontName("宋体");
127                 font.setFontHeight((short) 200);
128                 cellStyle.setFont(font);
129                 for(int i = 0 ; i < dw.getRowCount(); i++) {
130                     HSSFRow row = sheet.createRow(i + 2);
131                     for(int j = 1; j <= dw.getColumnCount(); j++) {
132                         HSSFCell cell = row.createCell((short)(j-1));
133                         cell.setEncoding(HSSFCell.ENCODING_UTF_16);
134                         cell.setCellStyle(cellStyle);
135                         value = dw.getItemAny(i, j-1);                
136                         if(value == null) {
137                             cell.setCellValue("");
138                         } else {
139                             cell.setCellValue(value.toString());
140                         }
141                     }
142                 }
143                 //设置导出路径，此处需要注意如果是Linux系统需要手动建路径，（此处的原因有人比较清楚的话还请指教）引用新建的文件路径
144                 String path = "/export/";
145                 File file = new File(path);
146                 if(!file.exists()) {
147                    file.mkdirs();
148                 }
149     
150                 String fileName = sfm+".xls";
151     
152                 //String pth = path.trim() + File.separator + fileName;
153                 String pth = path.trim() + fileName;
154                 pth = pth.trim();
155     
156                 String outPutInfo = exportExcel.outputExcel(pth);
157     
158                 sffer.append("<TITLE_NAME>" + sfm + "</TITLE_NAME>");
159                 sffer.append("<DOWNLOAD_PATH>" + path + "</DOWNLOAD_PATH>");
160                 sffer.append("<FILE_NAME>" + fileName + "</FILE_NAME>");
161                 sffer.append("<OUTPUTINFO>" + outPutInfo + "</OUTPUTINFO>");
162     
163                 return sffer.toString();
164             } 
165             catch (Exception e) {
166                 e.printStackTrace();
167                 throw new Exception(e.getMessage());
168             }
169         }
170 
171 }

 1 /**
 2      * 导出功能
 3      * @param xdo 前台传参
 4      * @param czryDm 操作人员代码
 5      * @return 生成的XLS信息
 6      * @throws Exception 异常说明
 7      */
 8     public String exportExcel(XMLDataObject args,String czryDm) throws Exception 
 9     {
10         //接收前台传递的查询参数
11         String rwmc = StringEx.sNull(args.getItemValue("RWMC"));      
12         String rwlb = StringEx.sNull(args.getItemValue("RWLB"));
13        
14         if(null != rwmc && !"".equals(rwmc))
15         {
16             sqlWhere.append(" AND A.RWMC LIKE ‘%"+rwmc+"%‘ ");
17         }
18         if(null != rwlb && !"".equals(rwlb))
19         {
20             sqlWhere.append(" AND A.RWLB_DM = ‘"+rwlb+"‘ ");
21         }
22        
23         StringBuilder sql = new StringBuilder();
24         //拼接查询SQL
25         sql.append("SELECT RWXH,RWMC FROM RWXX")
26             .append(sqlWhere).append(" ORDER BY RWXH ) ").append(sqlisWhere);
27         //导出的列标题
28         String[] titles = {"任务序号","任务名称"};
29 
30         //实例化公共类
31         CreateExcel excel = new CreateExcel();
32         return excel.newToExcel(sql.toString(), czryDm,titles,"Exlcel表头");
33     }