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HomeBackend DevelopmentGolangBest practices for developing efficient Qiniu Cloud interfaces using Go language

Best practices for developing efficient Qiniu Cloud interfaces using Go language

Jul 06, 2023 pm 11:31 PM
Best Practicesgo language developmentEfficient Qiniu Cloud Interface

Best practices for developing efficient Qiniu Cloud interfaces using Go language

Abstract: This article will introduce how to use Go language to develop efficient Qiniu Cloud interfaces, and provide some best practices and code examples.

Introduction
Qiniu Cloud is a company that provides cloud storage and content distribution network (CDN). The interface it provides can easily manage and operate cloud storage resources. Go language is a fast, efficient, and reliable programming language that is very suitable for developing the backend of cloud services. Combining the advantages of Qiniu Cloud and Go language, a stable and high-performance cloud storage system can be developed.

This article will introduce how to use Go language to develop efficient Qiniu Cloud interface, and provide some best practices and code examples.

1. Install Qiniu Cloud Go SDK
Qiniu Cloud provides a rich SDK and supports multiple programming languages, including Go language. We can install Qiniu Cloud Go SDK by executing the following command in the command line:

go get -u github.com/qiniu/api.v7

This command will automatically download and install the latest version of Qiniu Cloud Go SDK library from GitHub.

2. Configure Qiniu Cloud API Key
Before using Qiniu Cloud API, we need to configure the SDK with our own API key. After registering and logging in on the Qiniu Cloud official website, we can obtain the API key on the key management page of the personal center. Configure the API key into the Go code. The example is as follows:

import "github.com/qiniu/api.v7/auth"

ak := "YOUR_ACCESS_KEY"
sk := "YOUR_SECRET_KEY"
mac := auth.New(ak, sk)

3. Upload files to Qiniu Cloud
Qiniu Cloud provides a rich API interface that can easily upload files and manage resources. The following is a simple example showing how to use Qiniu Cloud Go SDK to upload files to Qiniu Cloud:

import "github.com/qiniu/api.v7/storage"

func UploadFileToQiniu(fileBytes []byte, fileName string, bucketName string) (string, error) {
    cfg := storage.Config{
        Zone:          &storage.ZoneHuadong, // 七牛云存储区域,华东区域示例
        UseHTTPS:      false,                // 是否使用HTTPS,默认为false
        UseCdnDomains: false,                // 是否使用CDN加速,默认为false
    }
    formUploader := storage.NewFormUploader(&cfg, nil)
    ret := storage.PutRet{}

    token := mcu.UploadToken(bucketName)
    key := fileName

    err := formUploader.Put(nil, &ret, token, key, fileBytes, nil)
    if err != nil {
        return "", err
    }

    return ret.Key, nil
}

In the above sample code, fileBytes is the content of the file, fileName is the file name, bucketName is the name of Qiniu Cloud storage space. By calling the UploadFileToQiniu function, we can upload a file to Qiniu Cloud and return the unique identifier (Key) of the file on Qiniu Cloud.

4. Delete files on Qiniu Cloud
Qiniu Cloud provides a rich API interface that can easily delete files and manage resources. The following is a simple example showing how to use Qiniu Cloud Go SDK to delete files on Qiniu Cloud:

import "github.com/qiniu/api.v7/storage"

func DeleteFileFromQiniu(fileName string, bucketName string) error {
    cfg := storage.Config{
        Zone:          &storage.ZoneHuadong, // 七牛云存储区域,华东区域示例
        UseHTTPS:      false,                // 是否使用HTTPS,默认为false
        UseCdnDomains: false,                // 是否使用CDN加速,默认为false
    }
    bucketManager := storage.NewBucketManager(mac, &cfg)
    err := bucketManager.Delete(bucketName, fileName)
    if err != nil {
        return err
    }

    return nil
}

In the above sample code, fileName is the file name to be deleted , bucketName is the name of Qiniu cloud storage space. By calling the DeleteFileFromQiniu function, we can delete the file with the specified file name on Qiniu Cloud.

Summary
This article introduces how to use Go language to develop efficient Qiniu Cloud interface, and provides some best practices and code examples. By using Qiniu Cloud Go SDK, we can easily upload and manage files, and have good performance in terms of performance. I hope this article can help readers better understand the use of Qiniu Cloud and the development skills of Go language.

References:

  1. Qiniu Cloud official website: https://www.qiniu.com/
  2. Qiniu Cloud Go SDK documentation: https:// github.com/qiniu/api.v7

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