From 7f9b53d982c0210ffc25db3a639bd858fc5db79b Mon Sep 17 00:00:00 2001
From: chenjiahe <763432473@qq.com>
Date: 星期三, 31 五月 2023 10:56:55 +0800
Subject: [PATCH] 数据库公用方法添加

---
 src/main/java/com/hx/util/ExcelUtil.java |  132 ++++++++++++++++++++++++++++++++++++++------
 1 files changed, 114 insertions(+), 18 deletions(-)

diff --git a/src/main/java/com/hx/util/ExcelUtil.java b/src/main/java/com/hx/util/ExcelUtil.java
index ee1bd12..a21a8dc 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;
@@ -60,10 +57,11 @@
 		// 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++) {
 
+		HSSFCell cell;
+		for (int i = 0; i < headList.length; i++) {
 			// 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);
+			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�
@@ -71,14 +69,16 @@
 		}
 		// ===============================================================
 		if (dataList != null) {
+			HSSFRow row_value;
+			Map<String, Object> dataMap;
 			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);
-				Map<String, Object> dataMap = dataList.get(n);
+				row_value = sheet.createRow(n + 1);
+				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�
-					HSSFCell cell = row_value.createCell(i);
+					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�
@@ -128,10 +128,10 @@
 			// 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);
 			// ===============================================================
+			HSSFCell cell;
 			for (int i = 0; i < headList.length; i++) {
-
 				// 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);
+				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�
@@ -139,14 +139,16 @@
 			}
 			// ===============================================================
 			if (dataList != null) {
+				HSSFRow row_value;
+				Map<String, Object> dataMap;
 				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);
-					Map<String, Object> dataMap = dataList.get(n);
+					row_value = sheet.createRow(n + 1);
+					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�
-						HSSFCell cell = row_value.createCell(i);
+						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�
@@ -207,12 +209,13 @@
 			// 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);
 			// ===============================================================
+			HSSFCell cell;
 			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);
+				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�
@@ -221,16 +224,109 @@
 			}
 			// ===============================================================
 			if (dataList != null) {
+				HSSFRow row_value;
+				Map<String, Object> dataMap;
 				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 = sheet.createRow(n + 1);
 					row_value.setHeight(height.shortValue());
-					Map<String, Object> dataMap = dataList.get(n);
+					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);
+						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;
+	}
+
+	/**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);
+			// ===============================================================
+			XSSFCell cell;
+			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�
+				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) {
+				XSSFRow row_value;
+				Map<String, Object> dataMap;
+				for (int n = 0; n < dataList.size(); n++) {
+					// 鍦ㄧ储寮�1鐨勪綅缃垱寤鸿
+					row_value = sheet.createRow(n + 1);
+					row_value.setHeight(height.shortValue());
+					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);
+						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�

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