From 02ae7138146e6964c4b5875930cbb8896ad840fc Mon Sep 17 00:00:00 2001
From: zhangherong <571457620@qq.com>
Date: 星期二, 01 七月 2025 12:25:59 +0800
Subject: [PATCH] art:设备管理-代码迁移
---
lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java | 85 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 85 insertions(+), 0 deletions(-)
diff --git a/lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java b/lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java
index 6473768..eb57299 100644
--- a/lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java
+++ b/lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java
@@ -1,5 +1,7 @@
package org.jeecg.common.util;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
import org.jeecg.common.api.vo.FileUploadResult;
import org.jeecg.common.exception.ExceptionCast;
import org.springframework.beans.factory.annotation.Value;
@@ -9,11 +11,14 @@
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
+import java.nio.file.Files;
+import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@Component
+@Slf4j
public class FileUtil {
private static String fileUploadFolder;
@@ -60,6 +65,43 @@
return dto;
}
+ public static FileUploadResult uploadFile(byte[] fileData, String fileName) {
+ String suffix = getFileSuffix(fileName);
+ Date currentDate = DateUtils.getDate();
+ String monthStr = DateUtils.date2Str(currentDate, DateUtils.monthFormat.get());
+ // 鐩稿璺緞
+ String relativePath = "/" + monthStr + "/" + DateUtils.getDayStr(currentDate) + "/";
+ // 缁濆璺緞
+ String absolutePath = fileUploadFolder + "/" + monthStr + "/" + DateUtils.getDayStr(currentDate) + "/";
+ String fileNameNonSuffix = getFilenameNonSuffix(fileName);
+ if (StringUtils.isBlank(fileNameNonSuffix)) {
+ return null;
+ }
+ // 鑾峰彇鏂囦欢鍔犲瘑鍚嶇О 1 淇濊瘉鏂囦欢鍞竴 涓嶅瓨鍦ㄨ鐩栭棶棰� 2 鐩綍涓嬩繚瀛樻枃浠跺姞瀵嗗悕绉� 鍘婚櫎鏂囦欢鍏抽敭淇℃伅
+ String encodeFileName = SHA256Util.getSHA256Str(fileNameNonSuffix + System.currentTimeMillis()) + "." + suffix;
+ Long fileSize = (long) fileData.length;
+ try {
+ File targetFile = new File(absolutePath, encodeFileName);
+ if(!targetFile.getParentFile().exists()) {
+ //鍒涘缓鐩綍
+ targetFile.getParentFile().mkdirs();
+ }
+ Files.write(Paths.get(absolutePath + encodeFileName), fileData);
+ FileUploadResult dto = new FileUploadResult();
+ dto.setFileName(fileNameNonSuffix);
+ dto.setFileEncodeName(encodeFileName);
+ dto.setFilePath(relativePath + encodeFileName);
+ dto.setFileSize(fileSize);
+ dto.setFileSuffix(suffix);
+ return dto;
+ } catch (IOException e) {
+ log.error("鏂囦欢鍐欏叆澶辫触: {}", e.getMessage(), e);
+ return null;
+ }
+
+ }
+
+
/**
* @param filePath 璺緞
* @param fileName 鏂囦欢鍚�
@@ -115,6 +157,49 @@
}
}
+ public static void downLoadFile(HttpServletResponse response, String filePath, String toFileName) {
+ String absolutePath = fileUploadFolder + filePath;
+ File file = new File(absolutePath);
+ if (file.exists()) {
+ byte[] buffer = new byte[1024];
+ FileInputStream fis = null;
+ BufferedInputStream bis = null;
+ try {
+ response.setHeader("Content-Type", "application/octet-stream;charset=utf-8"); // 鍛婅瘔娴忚鍣ㄨ緭鍑哄唴瀹逛负娴�
+ // response.setHeader("Content-Disposition", "attachment;fileName="+ new
+ // String(toFileName.getBytes("UTF-8"),"ISO-8859-1"));
+ response.setHeader("Content-Disposition",
+ "attachment;fileName=" + URLEncoder.encode(toFileName, "UTF-8"));
+ fis = new FileInputStream(file);
+ bis = new BufferedInputStream(fis);
+ OutputStream os = response.getOutputStream();
+ int i = bis.read(buffer);
+ while (i != -1) {
+ os.write(buffer, 0, i);
+ i = bis.read(buffer);
+ }
+ os.flush();
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (bis != null) {
+ try {
+ bis.close();
+ } catch (IOException e) {
+ }
+ }
+ if (fis != null) {
+ try {
+ fis.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+ } else {
+ ExceptionCast.cast("鏂囦欢涓嶅瓨鍦�");
+ }
+ }
+
/**
* 涓婁紶鏂囦欢宸ュ叿绫�
*
--
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