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using System;
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using System.IO;
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using Qiniu.Http;
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using Qiniu.Storage;
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using Qiniu.Util;
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using Microsoft.Extensions.Options;
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using System.Threading.Tasks;
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using Common.Extensions;
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namespace Common.Tools.UpLoad
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{
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/// <summary>
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/// 七牛云存储上传实现类
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/// </summary>
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public class UploadQiniu:IUploadService
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{
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private QiniuConfig _QnConfig;
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private Config qiniuconfig = new Config { Zone = Zone.ZONE_CN_East };//上传的部分配置
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public UploadQiniu()
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{
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_QnConfig =sysOptionConfig.Qiniuconfig;
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}
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/// <summary>
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///异步 上传数据流
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/// </summary>
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/// <param name="Filestream"></param>
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/// <param name="qiniukey"></param>
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/// <returns></returns>
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public async Task<bool> UploadStreamAsync(Stream Filestream, string qiniukey)
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{
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return await Task.Run(()=>UploadStream(Filestream,qiniukey));
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}
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/// <summary>
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///上传数据流到
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/// </summary>
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/// <param name="Filestream"></param>
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/// <returns></returns>
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public bool UploadStream(Stream Filestream,string qiniukey)
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{
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if (Filestream == null || qiniukey.IsNull())
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{
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return false;
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}
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// 生成(上传)凭证时需要使用此Mac
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// 这个示例单独使用了一个Settings类，其中包含AccessKey和SecretKey
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// 实际应用中，请自行设置您的AccessKey和SecretKey
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Mac mac = new Mac(_QnConfig.QiniuAccessKey, _QnConfig.QiniuSecretKey);
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string bucket = _QnConfig.Qiniubucket;
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string saveKey = qiniukey;//创建的骑牛key
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if (saveKey.Substring(0, 1) == "/")
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{
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saveKey = saveKey.Substring(1, saveKey.Length - 1);
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}
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//byte[] data = System.Text.Encoding.UTF8.GetBytes("Hello World!");
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// 上传策略，参见
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// https://developer.qiniu.com/kodo/manual/put-policy
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PutPolicy putPolicy = new PutPolicy();
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// 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"
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// putPolicy.Scope = bucket + ":" + saveKey;
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putPolicy.Scope = bucket;
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//putPolicy.Scope = "BUCKET:KEY";
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// 上传策略有效期(对应于生成的凭证的有效期)
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putPolicy.SetExpires(3600);
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// 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
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// putPolicy.DeleteAfterDays = 1;
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// 生成上传凭证，参见
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// https://developer.qiniu.com/kodo/manual/upload-token
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string jstr = putPolicy.ToJsonString();
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string token = Auth.CreateUploadToken(mac, jstr);
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FormUploader fu = new FormUploader(qiniuconfig);
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HttpResult result = fu.UploadStream(Filestream, saveKey, token, new PutExtra());
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if (result.Code == 200)
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{
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return true;
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}
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else
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{
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string msg = result.Text;
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return false;
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}
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}
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/// <summary>
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///异步上传字节
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public async Task<bool> UploadDataAsync(byte[] data, string qiniukey)
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{
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return await UploadStreamAsync(new MemoryStream(data), qiniukey) ;
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}
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/// <summary>
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/// 上传字节
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public bool UploadData(byte[] data, string qiniukey)
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{
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return UploadStream(new MemoryStream(data), qiniukey);
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}
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/// <summary>
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/// 上传文件到七牛云
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/// </summary>
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/// <param name="filePath">要上传的文件路径</param>
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/// <param name="qiniukey">生成的文件名称</param>
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public bool UploadFile(string filePath, string qiniukey)
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{
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return UploadStream(new MemoryStream(File.ReadAllBytes(filePath)), qiniukey);
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}
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public async Task<bool> UploadFileAsync(string filePath, string qiniukey)
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{
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return await UploadStreamAsync(new MemoryStream(File.ReadAllBytes(filePath)),qiniukey);
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}
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}
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}
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