wenj you hua

ruoyi-system/src/main/java/com/ruoyi/system/config/AliConfig.java

@@ -160,4 +160,100 @@ public class AliConfig {
         return null;
     }
 
+    /**
+     * 流式下载OSS文件，直接写入输出流，避免一次性加载整个文件到内存
+     * 
+     * @param objectName OSS对象名称
+     * @param outputStream 输出流
+     * @return 是否下载成功
+     */
+    public static boolean ossDownloadStream(String objectName, java.io.OutputStream outputStream) {
+        // 配置参数
+        String endpoint = "https://oss-cn-beijing.aliyuncs.com";
+        String accessKeyId = AliKeyConfig.ACCESS_KEY_ID;
+        String accessKeySecret = AliKeyConfig.ACCESS_KEY_SECRET;
+        String bucketName = "wenzhuangmusic";
+
+        OSS ossClient = null;
+        InputStream inputStream = null;
+        try {
+            ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
+            
+            // 判断文件是否存在
+            boolean exists = ossClient.doesObjectExist(bucketName, objectName);
+            if (!exists) {
+                log.error("OSS文件不存在: {}", objectName);
+                return false;
+            }
+            
+            // 获取文件对象
+            OSSObject ossObject = ossClient.getObject(bucketName, objectName);
+            inputStream = ossObject.getObjectContent();
+            
+            // 使用缓冲区进行流式传输
+            byte[] buffer = new byte[8192]; // 8KB缓冲区
+            int bytesRead;
+            while ((bytesRead = inputStream.read(buffer)) != -1) {
+                try {
+                    outputStream.write(buffer, 0, bytesRead);
+                    // 定期刷新输出流，避免缓冲区溢出
+                    if (bytesRead == buffer.length) {
+                        outputStream.flush();
+                    }
+                } catch (java.io.IOException e) {
+                    // 检查是否为客户端断开连接的错误
+                    if (e.getMessage() != null && 
+                        (e.getMessage().contains("Broken pipe") || 
+                         e.getMessage().contains("Connection reset by peer") ||
+                         e.getMessage().contains("连接被对方重置") ||
+                         e.getMessage().contains("你的主机中的软件中止了一个已建立的连接") ||
+                         e.getMessage().contains("Software caused connection abort") ||
+                         e.getMessage().contains("SocketTimeoutException"))) {
+                        // 客户端已断开连接，记录日志但不作为错误处理
+                        log.info("客户端断开连接，文件传输中断: {}", e.getMessage());
+                        return true; // 返回true，因为这不是服务器端的错误
+                    } else {
+                        // 其他IO错误，重新抛出
+                        throw e;
+                    }
+                }
+            }
+            outputStream.flush();
+            return true;
+        } catch (java.io.IOException e) {
+            // 检查是否为客户端断开连接的错误
+            if (e.getMessage() != null && 
+                (e.getMessage().contains("Broken pipe") || 
+                 e.getMessage().contains("Connection reset by peer") ||
+                 e.getMessage().contains("连接被对方重置") ||
+                 e.getMessage().contains("你的主机中的软件中止了一个已建立的连接") ||
+                 e.getMessage().contains("Software caused connection abort") ||
+                 e.getMessage().contains("SocketTimeoutException"))) {
+                // 客户端已断开连接，记录日志但不作为错误处理
+                log.info("客户端断开连接，文件传输中断: {}", e.getMessage());
+                return true; // 返回true，因为这不是服务器端的错误
+            } else {
+                // 其他IO错误
+                log.error("下载OSS文件失败: {}", e.getMessage());
+                return false;
+            }
+        } catch (Exception e) {
+            log.error("下载OSS文件失败: {}", e.getMessage());
+            return false;
+        } finally {
+            // 关闭资源
+            try {
+                if (inputStream != null) {
+                    inputStream.close();
+                }
+            } catch (java.io.IOException e) {
+                log.error("关闭输入流失败: {}", e.getMessage());
+            }
+            
+            if (ossClient != null) {
+                ossClient.shutdown();
+            }
+        }
+    }
+
 }

ruoyi-system/src/main/resources/mapper/system/ShareInfoMapper.xml

@@ -101,6 +101,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 
     <select id="selectShareInfoListPage" resultType="com.ruoyi.common.core.domain.entity.ShareInfo">
         SELECT
+            si.id as id,
+            si.share_num as shareNum,
             su.username as username,
             su.nickname as nickname,
             su.head_img as headImg,