From b99e425766ac0e393cf4b47e7e4b989c7c424ced Mon Sep 17 00:00:00 2001
From: zhangherong <571457620@qq.com>
Date: 星期二, 18 三月 2025 16:49:24 +0800
Subject: [PATCH] art: 设备附件管理，工艺参数，精度参数初始代码添加
---
lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java | 51 ++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 46 insertions(+), 5 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..92334c4 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
@@ -46,7 +46,7 @@
if (fileNameNonSuffix == null)
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());
+ String encodeFileName = SHA256Util.getSHA256Str(fileNameNonSuffix + System.currentTimeMillis()) + "." + suffix;
Long fileSize = file.getSize();
boolean b = uploadFile(file, absolutePath, encodeFileName);
if (!b)
@@ -54,7 +54,7 @@
FileUploadResult dto = new FileUploadResult();
dto.setFileName(fileNameNonSuffix);
dto.setFileEncodeName(encodeFileName);
- dto.setFilePath(relativePath);
+ dto.setFilePath(relativePath + encodeFileName);
dto.setFileSize(fileSize);
dto.setFileSuffix(suffix);
return dto;
@@ -67,9 +67,7 @@
public static void deleteFile(String filePath, String fileName) {
String absolutePath = fileUploadFolder + "/" + filePath + "/";
File targetFile = new File(absolutePath, fileName);
- if (null != targetFile && targetFile.isFile()) {
- targetFile.delete();
- }
+ targetFile.deleteOnExit();
}
public static void downLoadFile(HttpServletResponse response, String fileName, String filePath, String toFileName) {
@@ -115,6 +113,49 @@
}
}
+ 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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