|  |  | 
 |  |  | import org.apache.commons.lang3.CharUtils; | 
 |  |  | import org.apache.commons.lang3.StringUtils; | 
 |  |  | import org.apache.commons.lang3.math.NumberUtils; | 
 |  |  | import org.apache.poi.hssf.usermodel.HSSFRichTextString; | 
 |  |  | import org.apache.poi.hssf.usermodel.HSSFWorkbook; | 
 |  |  | import org.apache.poi.ss.usermodel.*; | 
 |  |  | import org.apache.poi.ss.util.CellRangeAddress; | 
 |  |  | import org.apache.poi.xssf.streaming.SXSSFWorkbook; | 
 |  |  | import org.apache.poi.xssf.usermodel.XSSFWorkbook; | 
 |  |  | import org.slf4j.Logger; | 
 |  |  | 
 |  |  |     public void export (List<T> data, String fileName, HttpServletResponse response) { | 
 |  |  |         this.export(data, fileName, DEFAULT_SHEET_NAME, response); | 
 |  |  |     } | 
 |  |  |     /** | 
 |  |  |      * 导出至响应流 | 
 |  |  |      * @param data 数据 | 
 |  |  |      * @param fileName Excel文件名 | 
 |  |  |      * @param response HttpServletResponse对象 | 
 |  |  |      */ | 
 |  |  |     public void exportWithFirstAndEnd (List<T> data, String fileName,String first,String end, HttpServletResponse response) { | 
 |  |  |         this.exportWithFirstAndEnd(data, fileName, DEFAULT_SHEET_NAME, first,end,response); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 导出至响应流 | 
 |  |  |      * @param data 数据 | 
 |  |  |      * @param fileName Excel文件名 | 
 |  |  |      * @param sheetName Sheet名称 | 
 |  |  |      * @param response HttpServletResponse对象 | 
 |  |  |      */ | 
 |  |  |     public void exportWithFirstAndEnd (List<T> data, String fileName, String sheetName, String first,String end ,HttpServletResponse response) { | 
 |  |  |         try { | 
 |  |  |             String encodeFileName = URLEncoder.encode(fileName, Charset.forName("UTF-8").toString()) + ".xlsx"; | 
 |  |  |             response.setHeader("Content-Disposition","attachment;filename=" + encodeFileName); | 
 |  |  |             response.setContentType("application/octet-stream"); | 
 |  |  |             response.setHeader("eva-opera-type", "download"); | 
 |  |  |             response.setHeader("eva-download-filename", encodeFileName); | 
 |  |  |             this.exportWithFirstAndEnd(data, sheetName,first,end, response.getOutputStream()); | 
 |  |  |         } catch (IOException e) { | 
 |  |  |             throw new BusinessException(ResponseStatus.EXPORT_EXCEL_ERROR, e); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |     /** | 
 |  |  |      * 导出到指定输出流 | 
 |  |  |      * @param data 数据 | 
 |  |  |      * @param sheetName Sheet名称 | 
 |  |  |      */ | 
 |  |  |     public void exportWithFirstAndEnd (List<T> data, String sheetName,String first,String end, OutputStream os) { | 
 |  |  |         SXSSFWorkbook sxssfWorkbook; | 
 |  |  |         try { | 
 |  |  |             sxssfWorkbook = new SXSSFWorkbook(); | 
 |  |  |             Sheet sheet = sxssfWorkbook.createSheet(sheetName); | 
 |  |  |             // 创建列头 | 
 |  |  |             sheet.createFreezePane(0, 2); | 
 |  |  |             sheet.addMergedRegion(new CellRangeAddress(0   ,0,0,this.getColumns().size()-1)); | 
 |  |  |             Row title = sheet.createRow(0); | 
 |  |  |             title.setHeight((short) 1000); | 
 |  |  |             Cell c = title.createCell(0); | 
 |  |  |             c.setCellValue(first); | 
 |  |  |             configFirstCell(sxssfWorkbook,c); | 
 |  |  |  | 
 |  |  |             Row header = sheet.createRow(1); | 
 |  |  |             header.setHeight((short)600); | 
 |  |  |             List<ColumnInfo> columns = this.getColumns(); | 
 |  |  |             for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) { | 
 |  |  |                 ColumnInfo column = columns.get(columnIndex); | 
 |  |  |                 Cell cell = header.createCell(columnIndex); | 
 |  |  |                 cell.setCellValue(new HSSFRichTextString(column.columnConfig.name())); | 
 |  |  |                 // 列宽设置 | 
 |  |  |                 if (column.columnConfig.width() == -1) { | 
 |  |  |                     sheet.setColumnWidth(columnIndex, column.columnConfig.name().length() * 2 * 256); | 
 |  |  |                 } else { | 
 |  |  |                     sheet.setColumnWidth(columnIndex, column.columnConfig.width() * 2 * 256); | 
 |  |  |                 } | 
 |  |  |                 // 设置列头单元格 | 
 |  |  |                 configHeaderCell(sxssfWorkbook, cell, column.columnConfig); | 
 |  |  |             } | 
 |  |  |             // 创建数据记录 | 
 |  |  |             for (int rowIndex = 0; rowIndex < data.size(); rowIndex++) { | 
 |  |  |                 Row row = sheet.createRow(rowIndex + 2); | 
 |  |  |                 for (int columnIndex = 0; columnIndex < columns.size(); columnIndex++) { | 
 |  |  |                     ColumnInfo column = columns.get(columnIndex); | 
 |  |  |                     Cell cell = row.createCell(columnIndex); | 
 |  |  |                     cell.setCellValue(getCellData(column, data.get(rowIndex))); | 
 |  |  |                     // 设置数据单元格 | 
 |  |  |                     configDataCell(sxssfWorkbook, cell, column.columnConfig); | 
 |  |  |                 } | 
 |  |  |             } | 
 |  |  |             if(StringUtils.isNotBlank(end)){ | 
 |  |  |                 sheet.addMergedRegion(new CellRangeAddress(data.size()+2   ,data.size()+2,0,this.getColumns().size()-1)); | 
 |  |  |                 Row endRow = sheet.createRow(data.size()+2); | 
 |  |  | //            endRow.setHeight((short) 600); | 
 |  |  |                 Cell c1 = endRow.createCell(0); | 
 |  |  |                 c1.setCellValue(end); | 
 |  |  |                 configEndCell(sxssfWorkbook,c1); | 
 |  |  |             } | 
 |  |  |             sxssfWorkbook.write(os); | 
 |  |  |             os.close(); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             throw new BusinessException(ResponseStatus.EXPORT_EXCEL_ERROR, e); | 
 |  |  |         } finally { | 
 |  |  |             if (os != null) { | 
 |  |  |                 try { | 
 |  |  |                     os.close(); | 
 |  |  |                 } catch (IOException e) { | 
 |  |  |                     e.printStackTrace(); | 
 |  |  |                 } | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |     /** | 
 |  |  |      * 配置数据单元格 | 
 |  |  |      */ | 
 |  |  |     private void configDataCell (SXSSFWorkbook workbook, Cell cell, ExcelColumn columnConfig) { | 
 |  |  |         CellStyle style = workbook.createCellStyle(); | 
 |  |  |         style.setAlignment(columnConfig.align()); | 
 |  |  |         style.setVerticalAlignment(VerticalAlignment.CENTER); | 
 |  |  |         // 设置背景 | 
 |  |  |         style.setFillPattern(FillPatternType.SOLID_FOREGROUND); | 
 |  |  |         style.setFillForegroundColor(columnConfig.dataBackgroundColor().getIndex()); | 
 |  |  |         // 字体 | 
 |  |  |         Font font = workbook.createFont(); | 
 |  |  |         font.setFontHeightInPoints(columnConfig.fontSize()); | 
 |  |  |         // 字体颜色 | 
 |  |  |         font.setColor(columnConfig.color().getIndex()); | 
 |  |  |         // 粗体 | 
 |  |  |         font.setBold(columnConfig.bold()); | 
 |  |  |         // 斜体 | 
 |  |  |         font.setItalic(columnConfig.italic()); | 
 |  |  |         style.setFont(font); | 
 |  |  |         // 边框 | 
 |  |  |         configCellBorder(style); | 
 |  |  |         style.setWrapText(true); | 
 |  |  |         cell.setCellStyle(style); | 
 |  |  |     } | 
 |  |  |     /** | 
 |  |  |      * 配置列头单元格 | 
 |  |  |      */ | 
 |  |  |     private void configFirstCell (SXSSFWorkbook workbook, Cell cell ) { | 
 |  |  |         CellStyle style = workbook.createCellStyle(); | 
 |  |  |         style.setAlignment(HorizontalAlignment.CENTER); | 
 |  |  |         style.setVerticalAlignment(VerticalAlignment.CENTER); | 
 |  |  |         // 设置背景 | 
 |  |  |         style.setFillPattern(FillPatternType.SOLID_FOREGROUND); | 
 |  |  |         style.setFillForegroundColor(IndexedColors.PALE_BLUE.getIndex()); | 
 |  |  |         // 字体 | 
 |  |  |         Font font = workbook.createFont(); | 
 |  |  |         font.setFontHeightInPoints((short)24); | 
 |  |  |         font.setBold(true); | 
 |  |  |         style.setFont(font); | 
 |  |  |         // 设置边框 | 
 |  |  |         configCellBorder(style); | 
 |  |  |         cell.setCellStyle(style); | 
 |  |  |     } | 
 |  |  |     /** | 
 |  |  |      * 配置列头单元格 | 
 |  |  |      */ | 
 |  |  |     private void configEndCell (SXSSFWorkbook workbook, Cell cell ) { | 
 |  |  |         CellStyle style = workbook.createCellStyle(); | 
 |  |  |         style.setAlignment(HorizontalAlignment.RIGHT); | 
 |  |  |         style.setVerticalAlignment(VerticalAlignment.CENTER); | 
 |  |  |         // 设置背景 | 
 |  |  |         style.setFillPattern(FillPatternType.SOLID_FOREGROUND); | 
 |  |  |         style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex()); | 
 |  |  |         // 字体 | 
 |  |  |         Font font = workbook.createFont(); | 
 |  |  |         font.setFontHeightInPoints((short)14); | 
 |  |  |         style.setFont(font); | 
 |  |  |         // 设置边框 | 
 |  |  |         configCellBorder(style); | 
 |  |  |         cell.setCellStyle(style); | 
 |  |  |     } | 
 |  |  |     /** | 
 |  |  |      * 配置列头单元格 | 
 |  |  |      */ | 
 |  |  |     private void configHeaderCell (SXSSFWorkbook workbook, Cell cell, ExcelColumn columnConfig) { | 
 |  |  |         CellStyle style = workbook.createCellStyle(); | 
 |  |  |         style.setAlignment(columnConfig.align()); | 
 |  |  |         style.setVerticalAlignment(VerticalAlignment.CENTER); | 
 |  |  |         // 设置背景 | 
 |  |  |         style.setFillPattern(FillPatternType.SOLID_FOREGROUND); | 
 |  |  | //        style.setFillForegroundColor(columnConfig.backgroundColor().getIndex()); | 
 |  |  |         style.setFillForegroundColor(IndexedColors.LIGHT_CORNFLOWER_BLUE.getIndex()); | 
 |  |  |         // 字体 | 
 |  |  |         Font font = workbook.createFont(); | 
 |  |  |         font.setFontHeightInPoints((short)11); | 
 |  |  |         font.setColor(columnConfig.color().index); | 
 |  |  |         font.setBold(true); | 
 |  |  |         style.setFont(font); | 
 |  |  |         // 设置边框 | 
 |  |  |         style.setWrapText(true); | 
 |  |  |         configCellBorder(style); | 
 |  |  |         cell.setCellStyle(style); | 
 |  |  |     } | 
 |  |  |     /** | 
 |  |  |      * 获取列集合 | 
 |  |  |      */ | 
 |  |  |     private List<ColumnInfo> getColumns () { |