From 1b181507f2564bfd327cc3a8e5d75a8620c3d09d Mon Sep 17 00:00:00 2001 From: chenjiahe <763432473@qq.com> Date: 星期二, 07 二月 2023 18:37:26 +0800 Subject: [PATCH] 数据库公用方法添加 --- src/main/java/com/hx/util/ExcelUtil.java | 93 ++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 89 insertions(+), 4 deletions(-) diff --git a/src/main/java/com/hx/util/ExcelUtil.java b/src/main/java/com/hx/util/ExcelUtil.java index ee1bd12..320ecb7 100644 --- a/src/main/java/com/hx/util/ExcelUtil.java +++ b/src/main/java/com/hx/util/ExcelUtil.java @@ -9,10 +9,7 @@ import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; -import org.apache.poi.xssf.usermodel.XSSFCell; -import org.apache.poi.xssf.usermodel.XSSFRow; -import org.apache.poi.xssf.usermodel.XSSFSheet; -import org.apache.poi.xssf.usermodel.XSSFWorkbook; +import org.apache.poi.xssf.usermodel.*; import org.springframework.web.multipart.MultipartFile; import javax.imageio.ImageIO; @@ -256,6 +253,94 @@ return file; } + /**鏃犻檺鍒惰鏁扮敓鎴恊cxel锛岀敓鎴愪复鏃舵枃浠� + * @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 + * @param height 鍗曞厓鏍奸珮搴︼紝榛樿450 + * @param width 鍗曞厓鏍煎搴︼紝榛樿5000 + * @throws Exception + */ + public static File createXSSExcel(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� + XSSFWorkbook workbook = new XSSFWorkbook(); + + + //鍚堝苟鐨勫崟鍏冩牸鏍峰紡 + XSSFCellStyle 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"); + XSSFSheet sheet = workbook.createSheet(); + // 鍦ㄧ储寮�0鐨勪綅缃垱寤鸿锛堟渶椤剁鐨勮锛� + XSSFRow 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� + XSSFCell 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 + XSSFRow 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); + XSSFCell 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