From 49f28b7e778e0be214a03fa17d0be1eb32775780 Mon Sep 17 00:00:00 2001 From: ChenJiaHe <763432473@qq.com> Date: 星期五, 15 一月 2021 18:29:58 +0800 Subject: [PATCH] 导出 --- src/main/java/com/hx/util/ExcelUtil.java | 85 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 85 insertions(+), 0 deletions(-) diff --git a/src/main/java/com/hx/util/ExcelUtil.java b/src/main/java/com/hx/util/ExcelUtil.java index c549a08..1191dcd 100644 --- a/src/main/java/com/hx/util/ExcelUtil.java +++ b/src/main/java/com/hx/util/ExcelUtil.java @@ -162,6 +162,91 @@ return file; } + /**鐢熸垚涓存椂鏂囦欢 + * @param headList + * Excel鏂囦欢Head鏍囬闆嗗悎 + * @param fieldList + * Excel鏂囦欢Field鏍囬闆嗗悎 鏍规嵁field鏉ュ鎵句綅缃~鍏呰〃鏍� + * @param dataList + * Excel鏂囦欢鏁版嵁鍐呭閮ㄥ垎 + * @throws Exception + */ + public static File createExcel(String[] headList, String[] fieldList, List<Map<String, Object>> dataList + ,Integer height,Integer width) throws Exception { + File file = File.createTempFile("temp", ".xls"); + try{ + + if(height == null){ + height = 450; + } + if(width == null){ + width = 5000; + } + // 鍒涘缓鏂扮殑Excel 宸ヤ綔绨� + HSSFWorkbook workbook = new HSSFWorkbook(); + + //鍚堝苟鐨勫崟鍏冩牸鏍峰紡 + HSSFCellStyle boderStyle = workbook.createCellStyle(); + //鍨傜洿灞呬腑 + boderStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); + boderStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 鍒涘缓涓�涓眳涓牸寮� + + // 鍦‥xcel宸ヤ綔绨夸腑寤轰竴宸ヤ綔琛紝鍏跺悕涓虹己鐪佸�� + // 濡傝鏂板缓涓�鍚嶄负"鏁堢泭鎸囨爣"鐨勫伐浣滆〃锛屽叾璇彞涓猴細 + // HSSFSheet sheet = workbook.createSheet("鏁堢泭鎸囨爣"); + HSSFSheet sheet = workbook.createSheet(); + // 鍦ㄧ储寮�0鐨勪綅缃垱寤鸿锛堟渶椤剁鐨勮锛� + HSSFRow row = sheet.createRow(0); + // =============================================================== + for (int i = 0; i < headList.length; i++) { + //楂樺害 + row.setHeight(height.shortValue()); + sheet.setColumnWidth(i,width); + // 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛� + HSSFCell cell = row.createCell(i); + // 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨� + cell.setCellType(HSSFCell.CELL_TYPE_STRING); + // 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹� + cell.setCellValue(headList[i]); + cell.setCellStyle(boderStyle); + } + // =============================================================== + if (dataList != null) { + for (int n = 0; n < dataList.size(); n++) { + // 鍦ㄧ储寮�1鐨勪綅缃垱寤鸿 + HSSFRow row_value = sheet.createRow(n + 1); + row_value.setHeight(height.shortValue()); + Map<String, Object> dataMap = dataList.get(n); + // =============================================================== + for (int i = 0; i < fieldList.length; i++) { + // 鍦ㄧ储寮�0鐨勪綅缃垱寤哄崟鍏冩牸锛堝乏涓婄锛� + sheet.setColumnWidth(i,width); + HSSFCell cell = row_value.createCell(i); + // 瀹氫箟鍗曞厓鏍间负瀛楃涓茬被鍨� + cell.setCellType(HSSFCell.CELL_TYPE_STRING); + // 鍦ㄥ崟鍏冩牸涓緭鍏ヤ竴浜涘唴瀹� + cell.setCellValue(objToString(dataMap.get(fieldList[i]))); + cell.setCellStyle(boderStyle); + } + // =============================================================== + } + } + + // 鏂板缓涓�杈撳嚭鏂囦欢娴� + FileOutputStream fOut = new FileOutputStream(file); + // 鎶婄浉搴旂殑Excel 宸ヤ綔绨垮瓨鐩� + workbook.write(fOut); + fOut.flush(); + // 鎿嶄綔缁撴潫锛屽叧闂枃浠� + fOut.close(); + }catch (Exception e){ + + }finally { + file.deleteOnExit(); + } + return file; + } + private static String objToString(Object obj) { if (obj == null) { -- Gitblit v1.8.0