七牛云工具类

依赖pom.xml文件:
<dependency> <groupId>com.qiniu</groupId> <artifactId>qiniu-java-sdk</artifactId> <version>7.7.0</version> </dependency>

代码QiniuUtil:

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.BucketManager;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.web.multipart.MultipartFile;

public class QiniuUtil {
    //更改三个配置
    private static String accessKey = "GwjVLqcRbHYMHzoybyyjMTHjRITCJ77ogKjI4y2T";
    private static String secretKey = "Qi7LYlbqOy36y-mbEFLIiwjONzpZM4onVtpaKq3W";
    private static String bucket = "770866";

    public static void uploadFile(MultipartFile uploadFile, String filename) {
        Configuration cfg = new Configuration(Region.region0());
        UploadManager uploadManager = new UploadManager(cfg);
        String key = filename;    //不使用hash值，用Uuid

        try {
            byte[] uploadBytes = uploadFile.getBytes();
            Auth auth = Auth.create(accessKey, secretKey);
            String upToken = auth.uploadToken(bucket);
            try {
                Response response = uploadManager.put(uploadBytes, key, upToken);
                DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
//                System.out.println(putRet.key);
                System.out.println(putRet.hash);
            } catch (QiniuException ex) {
                Response r = ex.response;
                System.err.println(r.toString());
                try {
                    System.err.println(r.bodyString());
                } catch (QiniuException ex2) {
                }
            }
        } catch (Exception ex) {
        }
    }

    public static void removefile(String fileName) {
        Configuration cfg = new Configuration(Region.region0());
        String key = fileName;
        Auth auth = Auth.create(accessKey, secretKey);
        BucketManager bucketManager = new BucketManager(auth, cfg);
        try {
            bucketManager.delete(bucket, key);
        } catch (QiniuException ex) {
            System.err.println(ex.code());
            System.err.println(ex.response.toString());
        }
    }


}