golang 框架中如何使用云存储进行文件上传（gol

go get -u cloud.google.com/go/storage

zvvq

import (

"context" zvvq.cn

"fmt"

"io" 内容来自zvvq，别采集哟

"cloud.google.com/go/storage"

) 内容来自samhan

func main() {

内容来自zvvq

ctx := context.Background()

// 创建存储客户端

zvvq

client, err := storage.NewClient(ctx)

if err != nil { copyright zvvq

fmt.Printf("Failed to create client: %v", err) zvvq

return 内容来自zvvq

} 内容来自samhan666

defer client.Close() 本文来自zvvq

// 打开存储桶 zvvq好，好zvvq

bucket := client.Bucket("your-bucket-name")

}

本文来自zvvq

func uploadFile(w io.Writer, bucket, object string, filename string) error { 内容来自samhan

ctx := context.Background()

file, err := os.Open(filename) zvvq好，好zvvq

if err != nil {

本文来自zvvq

fmt.Fprintf(w, "Failed to open file: %v", err) 本文来自zvvq

return err

zvvq好，好zvvq

}

defer file.Close() 本文来自zvvq

ctx, cancel := context.WithTimeout(ctx, time.Second30)

defer cancel() copyright zvvq

obj := bucket.Object(object)

内容来自zvvq

wc := obj.NewWriter(ctx) copyright zvvq

if _, err := io.Copy(wc, file); err != nil { 内容来自samhan

return fmt.Errorf("Failed to upload file: %v", err) 内容来自zvvq，别采集哟

} 内容来自samhan666

if err := wc.Close(); err != nil {

return fmt.Errorf("Failed to close writer: %v", err)

}

fmt.Fprintf(w, "Uploaded %v to gs://%v/%v\n", filename, bucket, object)

本文来自zvvq

return nil

内容来自zvvq

}

zvvq好，好zvvq

package main 内容来自samhan

import ( zvvq.cn

"context" zvvq.cn

"fmt"

内容来自zvvq，别采集哟

"log" copyright zvvq

"net/http" 内容来自samhan666

"cloud.google.com/go/storage"

本文来自zvvq

) 内容来自samhan666

// form中的field名要与表单中文件上传input的name(要有"name"属性)相对应

const (

copyright zvvq

formFile  = "file"

bucketName = "your-bucket-name" copyright zvvq

)

内容来自zvvq

func main() { zvvq.cn

http.HandleFunc("/", handler)

zvvq好，好zvvq

log.Printf("Server running at http://localhost:8080")

zvvq.cn

http.ListenAndServe(":8080", nil) copyright zvvq

} 内容来自zvvq

// handler接收表单并上传文件

func handler(w http.ResponseWriter, r http.Request) {

内容来自samhan

if err := r.ParseMultipartForm(10 << 20); err != nil {

log.Printf("Failed to parse multipart form: %v", err)

zvvq.cn

http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest) 内容来自zvvq

return 内容来自zvvq

}

file, header, err := r.FormFile(formFile)

if err != nil { copyright zvvq

log.Printf("Failed to get form file: %v", err)

内容来自zvvq

http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)

return

zvvq好，好zvvq

} zvvq好，好zvvq

defer file.Close() 内容来自zvvq，别采集哟

ctx := context.Background() zvvq好，好zvvq

// 创建新的存储客户端

client, err := storage.NewClient(ctx) zvvq

if err != nil { 内容来自zvvq，别采集哟

log.Printf("Failed to create storage client: %v", err)

http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)

内容来自samhan666

return

内容来自samhan666

} zvvq.cn

defer client.Close() zvvq

// 打开存储桶 内容来自samhan666

bucket := client.Bucket(bucketName) 内容来自samhan666

// 创建对象

内容来自samhan666

obj := bucket.Object(header.Filename) zvvq

// 使用指定的对象名上传文件 本文来自zvvq

wc := obj.NewWriter(ctx)

if _, err = io.Copy(wc, file); err != nil { 内容来自samhan666

log.Printf("Failed to upload the file: %v", err) 内容来自zvvq，别采集哟

http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError) 内容来自zvvq，别采集哟

return zvvq好，好zvvq

}

if err := wc.Close(); err != nil { zvvq好，好zvvq

log.Printf("Failed to close writer: %v", err)

zvvq

http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)

return

}

fmt.Fprintf(w, "File uploaded successfully to %v with the name %v", bucketName, header.Filename) zvvq好，好zvvq

}

内容来自zvvq，别采集哟