From d8c48e0a36d16f187d2c5efbf97ca66f2dffd04f Mon Sep 17 00:00:00 2001
From: "1378012178@qq.com" <1378012178@qq.com>
Date: Wed, 16 Jul 2025 16:13:06 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=84=E7=90=86=E6=9C=8D=E5=8A=A1=E6=8C=87?=
 =?UTF-8?q?=E4=BB=A4=E8=B5=84=E6=BA=90=E5=90=8C=E6=AD=A5=E5=90=8E=E7=9A=84?=
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MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/nu/utils/FileDownloader.java     | 41 +++++++++++--------
 .../src/main/resources/application-uat.yml    |  2 +-
 .../src/main/resources/application-uat102.yml |  2 +-
 3 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/nursing-unit-common/src/main/java/com/nu/utils/FileDownloader.java b/nursing-unit-common/src/main/java/com/nu/utils/FileDownloader.java
index e8eca1e..f7e9e50 100644
--- a/nursing-unit-common/src/main/java/com/nu/utils/FileDownloader.java
+++ b/nursing-unit-common/src/main/java/com/nu/utils/FileDownloader.java
@@ -3,6 +3,7 @@ package com.nu.utils;
 import com.google.common.util.concurrent.RateLimiter;
 
 import java.io.*;
+import java.net.HttpURLConnection;
 import java.net.URL;
 import java.nio.file.Paths;
 
@@ -18,50 +19,56 @@ public class FileDownloader {
      * @throws Exception
      */
     public static String downloadFile(String fileUrl, String saveDir, String fileName) throws Exception {
-        // 标准化URL路径
+        // 标准化 URL
         fileUrl = normalizeUrl(fileUrl);
 
-        // 创建保存目录
+        // 准备保存目录
         File dir = new File(saveDir);
-        if (!dir.exists()) {
-            dir.mkdirs();
+        if (!dir.exists() && !dir.mkdirs()) {
+            throw new IOException("创建目录失败: " + saveDir);
+        }
+        if (!dir.canWrite()) {
+            throw new IOException("目录不可写: " + saveDir);
         }
 
         // 构建完整保存路径
         String savePath = Paths.get(saveDir, fileName).toString();
         File outputFile = new File(savePath);
-
-        // 如果文件已存在，直接返回路径
         if (outputFile.exists()) {
             return savePath;
         }
 
-        // 创建RateLimiter  限制下载速度为100k/s
-        RateLimiter rateLimiter = RateLimiter.create(100*1024);
-
-        // 打开URL连接
+        // 先用 HttpURLConnection 检查资源状态
         URL url = new URL(fileUrl);
-        InputStream in = url.openStream();
+        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+        conn.setConnectTimeout(10_000);
+        conn.setReadTimeout(30_000);
+        conn.setRequestMethod("GET");
+        conn.connect();
 
-        try (BufferedInputStream bis = new BufferedInputStream(in);
+        // 限速：100 KB/s
+        RateLimiter rateLimiter = RateLimiter.create(100 * 1024);
+
+        // 真正开始下载
+        try (InputStream in = conn.getInputStream();
+             BufferedInputStream bis = new BufferedInputStream(in);
              FileOutputStream fos = new FileOutputStream(outputFile);
              BufferedOutputStream bos = new BufferedOutputStream(fos)) {
 
-            byte[] buffer = new byte[8192]; // 8KB缓冲区
+            byte[] buffer = new byte[8 * 1024];
             int bytesRead;
-
             while ((bytesRead = bis.read(buffer)) != -1) {
-                // 获取所需数量的许可
                 rateLimiter.acquire(bytesRead);
-
-                // 写入文件
                 bos.write(buffer, 0, bytesRead);
             }
+        } finally {
+            conn.disconnect();
         }
 
         return savePath;
     }
 
+
     /**
      * 标准化URL路径（处理开头/结尾的斜杠）
      *
diff --git a/nursing-unit-system/nu-system-start/src/main/resources/application-uat.yml b/nursing-unit-system/nu-system-start/src/main/resources/application-uat.yml
index a9df5c4..971b0a1 100644
--- a/nursing-unit-system/nu-system-start/src/main/resources/application-uat.yml
+++ b/nursing-unit-system/nu-system-start/src/main/resources/application-uat.yml
@@ -254,7 +254,7 @@ jeecg:
     app: http://localhost:8051
   path:
     #文件上传根目录 设置
-    upload: /opt/ope/upFiles101
+    upload: /opt/biz/upFiles101
     #webapp文件路径
     webapp: /opt/biz101/webapp
   shiro:
diff --git a/nursing-unit-system/nu-system-start/src/main/resources/application-uat102.yml b/nursing-unit-system/nu-system-start/src/main/resources/application-uat102.yml
index a9423d3..2f3c65a 100644
--- a/nursing-unit-system/nu-system-start/src/main/resources/application-uat102.yml
+++ b/nursing-unit-system/nu-system-start/src/main/resources/application-uat102.yml
@@ -254,7 +254,7 @@ jeecg:
     app: http://localhost:8051
   path:
     #文件上传根目录 设置
-    upload: /opt/ope/upFiles102
+    upload: /opt/biz/upFiles102
     #webapp文件路径
     webapp: /opt/biz102/webapp
   shiro: