From c1a9eee9c9aa0d3c7592fa75e70243e0297b3a0d Mon Sep 17 00:00:00 2001
From: fhx <308050795@qq.com>
Date: 星期四, 06 四月 2023 10:38:03 +0800
Subject: [PATCH] 1.新增文件工具类
---
src/main/java/com/hx/util/ExcelUtil.java | 192 ++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 187 insertions(+), 5 deletions(-)
diff --git a/src/main/java/com/hx/util/ExcelUtil.java b/src/main/java/com/hx/util/ExcelUtil.java
index a6dfaac..320ecb7 100644
--- a/src/main/java/com/hx/util/ExcelUtil.java
+++ b/src/main/java/com/hx/util/ExcelUtil.java
@@ -9,12 +9,11 @@
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;
+import java.awt.image.BufferedImage;
import java.io.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
@@ -114,7 +113,7 @@
*/
public static File createExcel(String[] headList, String[] fieldList,
List<Map<String, Object>> dataList) throws Exception {
- File file = File.createTempFile("temp", ".xls");
+ File file = File.createTempFile("temp", ".xlsx");
try{
// 鍒涘缓鏂扮殑Excel 宸ヤ綔绨�
HSSFWorkbook workbook = new HSSFWorkbook();
@@ -229,6 +228,94 @@
// 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;
+ }
+
+ /**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�
@@ -705,4 +792,99 @@
return "";
}
+ /**
+ * p鍒ゆ柇鏄惁excel鏂囦欢
+ * @param file
+ * @return
+ */
+ public static boolean isExcel(MultipartFile file){
+ String fileName = file.getOriginalFilename();
+ if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {
+ return false;
+ }
+ return true;
+ }
+
+
+
+
+
+ public static File createExcelByImg(String[] headList, String[] fieldList, List<Map<String, Object>> dataList, Integer height, Integer width) throws Exception {
+ File file = File.createTempFile("temp", ".xls");
+ FileOutputStream fileOut = null;
+ BufferedImage bufferImg = null;
+
+ try {
+ ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
+ if (height == null) {
+ height = 450;
+ }
+
+ if (width == null) {
+ width = 1000;
+ }
+
+ HSSFWorkbook workbook = new HSSFWorkbook();
+ HSSFCellStyle boderStyle = workbook.createCellStyle();
+ boderStyle.setVerticalAlignment((short)1);
+ boderStyle.setAlignment((short)2);
+ HSSFSheet sheet = workbook.createSheet();
+ HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
+ HSSFRow row = sheet.createRow(0);
+
+ HSSFCell anchor;
+ for(int i = 0; i < headList.length; ++i) {
+ row.setHeight(height.shortValue());
+ sheet.setColumnWidth(i, width);
+ anchor = row.createCell(i);
+ anchor.setCellType(1);
+ anchor.setCellValue(headList[i]);
+ anchor.setCellStyle(boderStyle);
+ }
+
+ HSSFRow row_value = null;
+ anchor = null;
+ HSSFCell cell = null;
+ if (dataList != null) {
+ for(int n = 0; n < dataList.size(); ++n) {
+ row_value = sheet.createRow(n + 1);
+ row_value.setHeight(height.shortValue());
+ Map<String, Object> dataMap = (Map)dataList.get(n);
+
+ for(int i = 0; i < fieldList.length; ++i) {
+ sheet.setColumnWidth(i, width);
+ cell = row_value.createCell(i);
+ cell.setCellType(1);
+ Object value = dataMap.get(fieldList[i]);
+ if (value != null && "class java.io.File".equals(value.getClass().toString())) {
+ File file2 = (File)value;
+ if (file2 == null) {
+ cell.setCellValue("");
+ } else {
+ bufferImg = ImageIO.read(file2);
+ ImageIO.write(bufferImg, "jpg", byteArrayOut);
+ HSSFClientAnchor anchor1 = new HSSFClientAnchor(0, 0, 1023, 255, (short)i, n + 1, (short)i, n + 1);
+ anchor1.setAnchorType(0);
+ patriarch.createPicture(anchor1, workbook.addPicture(byteArrayOut.toByteArray(), 5));
+ }
+ } else {
+ cell.setCellValue(objToString(dataMap.get(fieldList[i])));
+ cell.setCellStyle(boderStyle);
+ }
+ }
+ }
+ }
+
+ FileOutputStream fOut = new FileOutputStream(file);
+ workbook.write(fOut);
+ fOut.flush();
+ fOut.close();
+ } catch (Exception var25) {
+ var25.printStackTrace();
+ } finally {
+ file.deleteOnExit();
+ }
+
+ return file;
+ }
}
\ No newline at end of file
--
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