juipnet/Infrastructure/Hncore.Infrastructure/Common/QiNiuCloudHelper.cs

using System;
using System.Collections.Generic;
using System.IO;
using Hncore.Infrastructure.Extension;
using Qiniu.Http;
using Qiniu.Storage;
using Qiniu.Util;

namespace Hncore.Infrastructure.Common
{
    public class QiNiuCloudHelper
    {
        static Mac mac = new Mac("3bmkJLD-inSGpQnLr_9UlommFT81B5L0ryesJLhS",
            "X22vza-l53jcZyi_fmaex88R065_Ip2_3j5Im0Se");

        static string bucket = "property";

        /// <summary>
        /// 
        /// </summary>
        /// <param name="bytes"></param>
        /// <returns>图片地址</returns>
        public static string UploadImage(Stream stream, string prefix, string persistentOps = "")
        {
            string fileName = prefix + Guid.NewGuid() + ".jpg";

            // 上传策略，参见 
            // https://developer.qiniu.com/kodo/manual/put-policy
            PutPolicy putPolicy = new PutPolicy();
            // 如果需要设置为"覆盖"上传(如果云端已有同名文件则覆盖)，请使用 SCOPE = "BUCKET:KEY"
            // putPolicy.Scope = bucket + ":" + saveKey;
            putPolicy.Scope = bucket;
            // 上传策略有效期(对应于生成的凭证的有效期)          
            putPolicy.SetExpires(3600);

            if (!string.IsNullOrEmpty(persistentOps))
            {
                string saveAs = (bucket + ":" + fileName).ToBase64String()
                    .Replace("+", "-")
                    .Replace("/", "_");
                putPolicy.PersistentOps = persistentOps + $"|saveas/{saveAs}";
                putPolicy.PersistentPipeline = "face_image";
            }


            string jstr = putPolicy.ToJsonString();
            string token = Auth.CreateUploadToken(mac, jstr);

            ResumableUploader fu = new ResumableUploader(new Config()
            {
                Zone = Zone.ZONE_CN_East
            });


            var result = fu.UploadStream(stream, fileName, token, null);

            if (result.Code == 200)
            {
                return "http://propertyimages.etor.vip/" + fileName;
            }

            LogHelper.Error("七牛上传图片失败", result.ToString());

            return null;
        }

        public static string UploadImage(string imageBase64, string prefix, string persistentOps = "")
        {
            byte[] imageByte = Convert.FromBase64String(imageBase64);

            var stream = new MemoryStream(imageByte);

            return UploadImage(stream, prefix, persistentOps);
        }

        /// <summary>
        /// 删除资源
        /// </summary>
        /// <param name="key"></param>
        public static void Delete(string key)
        {
            Config config = new Config();
            config.Zone = Zone.ZONE_CN_East;

            BucketManager bucketManager = new BucketManager(mac, config);

            var res = bucketManager.Delete(bucket, key);
        }

        public static List<string> Domains(string bucket)
        {
            Config config = new Config();
            config.Zone = Zone.ZONE_CN_East;

            BucketManager bucketManager = new BucketManager(mac, config);

            return bucketManager.Domains("property").Result;
        }

        public static string GetToken(int expireInSeconds = 3600)
        {
            // 上传策略，参见 
            // https://developer.qiniu.com/kodo/manual/put-policy
            PutPolicy putPolicy = new PutPolicy();
            // 如果需要设置为"覆盖"上传(如果云端已有同名文件则覆盖)，请使用 SCOPE = "BUCKET:KEY"
            // putPolicy.Scope = bucket + ":" + saveKey;
            putPolicy.Scope = bucket;
            // 上传策略有效期(对应于生成的凭证的有效期)          
            putPolicy.SetExpires(expireInSeconds);
            putPolicy.ReturnBody =
                "{\"key\":$(key),\"hash\":$(etag),\"mimeType\":$(mimeType),\"fname\":$(fname),\"fsize\":$(fsize),\"avinfo\":$(avinfo),\"ext\":$(ext),\"imageInfo\":$(imageInfo)}";

            string jstr = putPolicy.ToJsonString();
            string token = Auth.CreateUploadToken(mac, jstr);

            return token;
        }
    }
}