fix:优化代码

ruoyi-admin/src/main/java/com/ruoyi/client/service/FileServiceImpl.java

@@ -2,6 +2,7 @@ package com.ruoyi.client.service;
 
 import com.google.protobuf.ByteString;
 import com.ruoyi.grpc.file.*;
+import io.grpc.Status;
 import io.grpc.stub.StreamObserver;
 import org.springframework.stereotype.Service;
 
@@ -21,27 +22,27 @@ public class FileServiceImpl extends FileServiceGrpc.FileServiceImplBase {
 
 			@Override
 			public void onNext(FileUploadRequest request) {
-				if (request.hasFilename()) {
-					filename = request.getFilename();
-					try {
-						fos = new FileOutputStream("server_files/" + filename);
-					} catch (IOException e) {
-						responseObserver.onError(e);
-					}
-				} else {
-					try {
+				try {
+					if (request.hasFilename()) {
+						filename = request.getFilename();
+						fos = new FileOutputStream("E:\\server_file\\" + filename);
+					} else {
 						byte[] chunk = request.getChunk().toByteArray();
 						totalSize += chunk.length;
 						fos.write(chunk);
-					} catch (IOException e) {
-						responseObserver.onError(e);
-					}
+					}	
+				}catch (Exception e){
+					// 返回 INVALID_ARGUMENT 错误
+					responseObserver.onError(Status.INVALID_ARGUMENT
+							.withDescription("Upload failed:" + e.getMessage())
+							.withCause(e)
+							.asRuntimeException());
 				}
 			}
 
 			@Override
 			public void onError(Throwable t) {
-				System.err.println("Upload failed: " + t.getMessage());
+				System.err.println("客户端中断上传: " + t.getMessage());
 			}
 
 			@Override
@@ -54,7 +55,10 @@ public class FileServiceImpl extends FileServiceGrpc.FileServiceImplBase {
 							.build());
 					responseObserver.onCompleted();
 				} catch (IOException e) {
-					responseObserver.onError(e);
+					// 最终错误处理
+					responseObserver.onError(Status.INTERNAL
+							.withDescription("Finalization failed: " + e.getMessage())
+							.asRuntimeException());
 				}
 			}
 		};