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Java Development Guide: Integrating Qiniu Cloud CDN Accelerated Website

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Release: 2023-07-05 08:45:09
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Java Development Guide: Integrating Qiniu Cloud CDN to Accelerate the Website

Introduction:
Nowadays, with the development of the Internet and the continuous growth of website traffic, the access speed of the website has become a very important index. In order to improve the access speed of the website, many developers choose to use CDN (Content Delivery Network) services to speed up the loading of the website. Qiniu Cloud CDN is a well-known CDN service provider in China, which provides stable and efficient CDN acceleration services and rich development interfaces. This article will teach you how to use Java to develop a website that integrates Qiniu Cloud CDN acceleration, and attaches code examples.

Step one: Create a Qiniu Cloud account and obtain AK/SK
First, we need to register an account on the Qiniu Cloud official website (https://www.qiniu.com/). After successful registration, enter the control panel, click on the account avatar in the upper right corner, and select "Key Management". In this page, we can find the Access Key (AK) and Secret Key (SK), which are the credentials for us to interact with Qiniu Cloud API.

Step 2: Introduce Qiniu Cloud SDK
Before starting development, we need to introduce Qiniu Cloud’s Java SDK. Add the following dependencies to the project's pom.xml file:

<dependencies>
    <dependency>
        <groupId>com.qiniu</groupId>
        <artifactId>qiniu-java-sdk</artifactId>
        <version>x.x.x</version>
    </dependency>
</dependencies>
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Please note that replace x.x.x with the latest SDK version number.

Step 3: Upload files to Qiniu Cloud Storage Space
First, we need to access Qiniu Cloud Storage Space through AK/SK. Create a Qiniu cloud storage space and obtain the name of the storage space (Bucket name), such as my-bucket.
Next, we can use the following code example to upload local files to Qiniu cloud storage space:

import com.qiniu.storage.UploadManager;
import com.qiniu.util.Auth;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;

public class QiniuExample {

    public static void main(String[] args) {
        // 七牛云配置信息
        String accessKey = "your_access_key";
        String secretKey = "your_secret_key";
        String bucketName = "your_bucket_name";
        
        // 要上传的文件路径
        String localFilePath = "/path/to/local/file";
        
        Auth auth = Auth.create(accessKey, secretKey);
        Configuration cfg = new Configuration();
        UploadManager uploadManager = new UploadManager(cfg);
        
        try {
            // 生成上传凭证
            String token = auth.uploadToken(bucketName);
            
            // 上传文件,并返回响应对象
            Response response = uploadManager.put(localFilePath, null, token);
            
            // 输出响应结果
            System.out.println(response.bodyString());
            
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
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Please change your_access_key, your_secret_key and ## Replace #your_bucket_name with your own Qiniu Cloud configuration information. At the same time, replace /path/to/local/file with the path of the local file you want to upload.

Step 4: Configure CDN accelerated domain name

In the Qiniu Cloud control panel, select the corresponding storage space, and then enter "Domain Name Management". Here, we can add a custom CDN acceleration domain name.

Step 5: Set CDN cache policy

Qiniu Cloud CDN also provides powerful cache policy configuration. By setting the cache policy, we can specify the cache time of files on the CDN node to further improve the loading speed of the website.

To sum up, this article introduces how to use Java to develop and integrate Qiniu Cloud CDN acceleration website, and provides code examples. By learning and applying the relevant knowledge of Qiniu Cloud CDN, we can greatly improve the access speed of the website and optimize the user experience. I hope this article is helpful to you, and I wish you success in completing your website development and optimization work!

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