djyweb_ams/ams/Djy.Common/Tools/UpLoad/UploadQiniu.cs

using System;
using System.IO;
using Qiniu.Http;
using Qiniu.Storage;
using Qiniu.Util;
using Microsoft.Extensions.Options;
using System.Threading.Tasks;

namespace Common.UpLoad
{
    /// <summary>
    /// 七牛云存储上传实现类
    /// </summary>
    public class UploadQiniu:IUploadService
    {

        private QiniuConfig _QnConfig;
        private Config qiniuconfig = new Config { Zone = Zone.ZONE_CN_East };//上传的部分配置
        public UploadQiniu()
        {
            _QnConfig =sysOptionConfig.YsQiniuconfig;
        }

        /// <summary>
        ///异步 上传数据流
        /// </summary>
        /// <param name="Filestream"></param>
        /// <param name="qiniukey"></param>
        /// <returns></returns>
        public async Task<bool> UploadStreamAsync(Stream Filestream, string qiniukey)
        {
            return await Task.Run(()=>UploadStream(Filestream,qiniukey));
        }

        /// <summary>
        ///上传数据流到
        /// </summary>
        /// <param name="Filestream"></param>
        /// <returns></returns>
        public bool UploadStream(Stream Filestream,string qiniukey)
        {
            if (Filestream == null || qiniukey.IsNull())
            {
                return false;
            }
            // 生成(上传)凭证时需要使用此Mac
            // 这个示例单独使用了一个Settings类，其中包含AccessKey和SecretKey
            // 实际应用中，请自行设置您的AccessKey和SecretKey
            Mac mac = new Mac(_QnConfig.QiniuAccessKey, _QnConfig.QiniuSecretKey);
            string bucket = _QnConfig.Qiniubucket;
            string saveKey = qiniukey;//创建的骑牛key
            if (saveKey.Substring(0, 1) == "/")
            {
                saveKey = saveKey.Substring(1, saveKey.Length - 1);
            }
            //byte[] data = System.Text.Encoding.UTF8.GetBytes("Hello World!");
            // 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;
            //putPolicy.Scope = "BUCKET:KEY";
            // 上传策略有效期(对应于生成的凭证的有效期)          
            putPolicy.SetExpires(3600);
            // 上传到云端多少天后自动删除该文件，如果不设置（即保持默认默认）则不删除
          //  putPolicy.DeleteAfterDays = 1;
            // 生成上传凭证，参见
            // https://developer.qiniu.com/kodo/manual/upload-token            
            string jstr = putPolicy.ToJsonString();
            string token = Auth.CreateUploadToken(mac, jstr);
            FormUploader fu = new FormUploader(qiniuconfig);
            HttpResult result = fu.UploadStream(Filestream, saveKey, token, new PutExtra());
            if (result.Code == 200)
            {
                return true;
            }
            else
            {
                string msg = result.Text;
                return false;
            }
        }

        /// <summary>
        ///异步上传字节
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public async Task<bool> UploadDataAsync(byte[] data, string qiniukey)
        {
            return await   UploadStreamAsync(new MemoryStream(data), qiniukey) ;
        }


            /// <summary>
            /// 上传字节
            /// </summary>
            /// <param name="data"></param>
            /// <returns></returns>
            public bool UploadData(byte[] data, string qiniukey)
        {
         return   UploadStream(new MemoryStream(data), qiniukey);
        }

        /// <summary>
        /// 上传文件到七牛云
        /// </summary>
        /// <param name="filePath">要上传的文件路径</param>
        /// <param name="qiniukey">生成的文件名称</param>
        public bool UploadFile(string filePath, string qiniukey)
            {
            return UploadStream(new MemoryStream(File.ReadAllBytes(filePath)), qiniukey);
        }

        public async Task<bool> UploadFileAsync(string filePath, string qiniukey)
        {
            return await UploadStreamAsync(new MemoryStream(File.ReadAllBytes(filePath)),qiniukey);
        }



    }
}