Extjs在线导出Excel文件

在线导出Excel文件"/>

Extjs在线导出Excel文件

例如：

   $("#export").click(function() {var m = sensitiveWordsLightGrid.grid.getSelections();if (m.length == 0) {Ext.Msg.confirm("提示", "确定要全部导出吗?", function(btn, path) {$.ajax({type: "POST",url: getSitePath() + "/xxx/xxx_exportAllData.action",contentType: 'application/x-www-form-urlencoded; charset=UTF-8',success: function(response) {window.location.href= getSitePath()+"/xxx/xxx_download.action";}});}.createDelegate(this));} else {Ext.Msg.confirm("提示", "确定执行此项操作吗?", function(btn, path) {if (btn == 'yes') {var d = sensitiveWordsLightGrid.grid.getSelections();var f = '?data=',temp = "[";var g = d.length;if (sensitiveWordsLightGrid.gridconfig.removeCondition) {for (var i = 0; i < g; i++) {temp += Ext.encode(Ext.lbj.FormUtils.serialSameFields(sensitiveWordsLightGrid.gridconfig.metaData, sensitiveWordsLightGrid.gridconfig.removeCondition, d[i]));temp += ","}f += temp.slice(0, temp.length - 1) + "]";$.ajax({type: "POST",url: getSitePath() + "/xxx/xxxx_exportSensitiveWords.action" + f,contentType: 'application/x-www-form-urlencoded; charset=UTF-8',success: function(response) {window.location.href= getSitePath()+"/xxx/xxxx_download.action";}});}}}.createDelegate(this));}});

/*** 获取临时目录存放临时文件*/public String createTemporaryFile() {String savePath = ServletActionContext.getServletContext().getRealPath("/file/xxx");return savePath;}/*** 删除临时文件*/public void deleteTemporaryFile() {String savePath = ServletActionContext.getServletContext().getRealPath("/file/xxx/delete.xls");File fileDelete = new File(savePath);if (fileDelete.exists()) {fileDelete.delete();}}

/*** 导出所有的数据* * @throws IOException*/public void exportAllData() throws IOException {List<xxxx> domains = zzzz.findByWhere(null);// 创建工作薄HSSFWorkbook workbook = new HSSFWorkbook();// 创建工作表HSSFSheet sheet = workbook.createSheet("sheet1");HSSFRow rows0 = sheet.createRow(0);// 创建表头rows0.createCell(0).setCellValue("xxx");rows0.createCell(1).setCellValue("xxx");rows0.createCell(2).setCellValue("xxxx");for (int i = 0; i < domains.size(); i++) {HSSFRow rows = sheet.createRow(i + 1);rows.createCell(0).setCellValue("xxxx");rows.createCell(1).setCellValue("xxxx");rows.createCell(2).setCellValue("xxxx");}String savePath = createTemporaryFile();File xlsFile = new File(savePath + "/delete.xls");FileOutputStream xlsStream = new FileOutputStream(xlsFile);workbook.write(xlsStream);xlsStream.close();this.send(SUCCESS);}/*** 批量导出部分数据* * @throws IOException*/public void exportSensitiveWords() throws IOException {List<SensitiveWordsVO> voList = JsonUtils.json2List(data, SensitiveWordsVO.class);// 创建工作薄HSSFWorkbook workbook = new HSSFWorkbook();// 创建工作表HSSFSheet sheet = workbook.createSheet("sheet1");HSSFRow rows0 = sheet.createRow(0);// 创建表头rows0.createCell(0).setCellValue("xxxx");rows0.createCell(1).setCellValue("xxxx");rows0.createCell(2).setCellValue("xxxx");for (int i = 0; i < voList.size(); i++) {HSSFRow rows = sheet.createRow(i + 1);rows.createCell(0).setCellValue("xxxx");rows.createCell(1).setCellValue("xxxx");rows.createCell(2).setCellValue("xxxx");}String savePath = createTemporaryFile();File xlsFile = new File(savePath + "/delete.xls");FileOutputStream xlsStream = new FileOutputStream(xlsFile);workbook.write(xlsStream);xlsStream.close();this.send(SUCCESS);}
/*** 下载的公共部分* * @param savePath* @param fileName*/public void publicDownload(String savePath, String fileName) {try {// 要下载的文件InputStream is = new FileInputStream(savePath + "/" + fileName);// 下载到客户端HttpServletResponse response = ServletActionContext.getResponse();OutputStream os = response.getOutputStream();// 弹出下载的框filename:提示用户下载的文件名response.addHeader("content-disposition", "attachment;filename=" + DateUtils.date2String(new Date(), DateUtils.FULL_DATE_FORMAT_NO_SEPARATOR) + ".xls");byte[] b = new byte[1024];int size = is.read(b);while (size > 0) {os.write(b, 0, size);size = is.read(b);}is.close();os.close();} catch (Exception e) {e.printStackTrace();}}