...

client/client.go

@@ -124,7 +124,7 @@ func Download(filePath string, client transportpb.FileServiceClient) (err error)
 	}
 
 	for i := len(downloadContext.tempList) - 1; i >= 0; i-- {
-		err = appendToFile(downloadContext.file.filePath, string(readFile(downloadContext.tempList[i])))
+		err = appendToFile(downloadContext.file.filePath, readFile(downloadContext.tempList[i]))
 		if err != nil {
 			log.Println(err.Error(), "下载失败，请重试")
 			return
@@ -161,11 +161,11 @@ func startDownloadTask(filePath string, tempFilePath string, b *block, client tr
 		log.Fatalf("下载异常 : %v\n", err)
 	}
 
-	fp, err := os.OpenFile(tempFilePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0755)
+	err = createFileOnly(tempFilePath)
 	if err != nil {
-		log.Fatalf("文件打开异常: %s\n", err)
+		log.Println(err.Error())
+		panic(err)
 	}
-	defer fp.Close()
 
 	var recvSize int64 = 0
 
@@ -180,7 +180,7 @@ func startDownloadTask(filePath string, tempFilePath string, b *block, client tr
 		recvSize += int64(blockSize)
 
 		if blockSize != 0 {
-			_, err = fp.Write(block)
+			err := appendToFile(tempFilePath, block)
 			if err != nil {
 				log.Fatalf("临时文件保存异常: %s\n", err)
 			}
@@ -410,7 +410,7 @@ func checkBlockStat(filePath string, b *block) bool {
 	return false
 }
 
-func appendToFile(fileName string, content string) error {
+func appendToFile(fileName string, content []byte) error {
 	// 以只写的模式，打开文件
 	f, err := os.OpenFile(fileName, os.O_WRONLY, 0644)
 	if err != nil {
@@ -419,7 +419,7 @@ func appendToFile(fileName string, content string) error {
 		// 查找文件末尾的偏移量
 		n, _ := f.Seek(0, os.SEEK_END)
 		// 从末尾的偏移量开始写入内容
-		_, err = f.WriteAt([]byte(content), n)
+		_, err = f.WriteAt(content, n)
 	}
 	defer f.Close()
 	return err

readme.md

@@ -1 +1,10 @@
-protoc -I=proto --go_out=plugins=grpc:. ./proto/*.proto
+
+## 下载地址
+```
+https://github.com/google/protobuf
+```
+
+## 生成
+```
+protoc -I=proto --go_out=plugins=grpc:./dist/ ./proto/*.proto
+```