使用上传插件 Web Uploader 上传图片到七牛云（C#）
之前有写过一篇文章，基于asp.net mvc 封装 Web Uploader 上传插件：
http://www.cnblogs.com/vanteking/p/5623682.html
已经实现的功能有：
封装 my97datepicker 日历插件 ：
@Html.Calendar("time")
封装 ckeditor编辑器：
@Html.RichTextEditor("CKEDITOR1", new RichTextEditor { Height = 300, ToolBar = RichTextEditorToolBar.Full, Plugins = RichTextEditorPlugins.CKEDITOR, Width = 900 })
另外还有百度编辑器的封装，只需要改版参数就可以使用了。
ckeditor 里还配合使用了 ckfinder
今天重点讲下封装的Web Uploader插件，图片可以上传到七牛云和本地。
先上图：
图片上传到七牛云：
//Qiniu云 var file = Request.Files["file"]; if (file != null && file.InputStream != null && file.ContentLength > 0) { //七牛空间 var qiniuStore = SystemConst.GetRandStore(); //学校 var school = ViewBag._school_ as SchoolLibrary; //时间戳 var stime = TimeHelper.ConvertDateTimeInt(DateTime.Now); //原始文件名 var mine = file.FileName.Substring(file.FileName.LastIndexOf(".")); //目标地址 var filePath = "{0}/{1}/{2}{3}".FormatWith(school.Domain, user.ID.GetHashCode(), stime, mine); //模型 var buket = new Bucket { FileType = (UploadFileType)fileType, stream = file.InputStream, saveFilePath = filePath, saveFileName = file.FileName, bucket = qiniuStore.Space, PicDomain = qiniuStore.Domain }; uploadResult = BucketHelper.UploadFile(buket);
删除七牛云图片：
//人员信息 var user = ViewBag.stu as OStudent; //域名空间 var qiniuStore = SystemConst.StoreList.FirstOrDefault(m => file.IsNullOrEmpty() == false && file.StartsWith(m.Domain)); if (string.IsNullOrEmpty(file) == true) { _msg = "文件未找到!"; } else if (qiniuStore != null) { if (file.ToLower().Contains(user.ID.GetHashCode().ToString()) == false) { _msg = "没有权限!"; } else { //地址 var saveFilePath = file.Replace(qiniuStore.Domain, "").Trim(); //模型 var buket = new Bucket { saveFilePath = saveFilePath, bucket = qiniuStore.Space, }; var result = BucketHelper.Delete(buket); if (result.State == (int)UploadState.Success) { _err = false; } else { _msg = result.ErrorMessage; } } }
还做了一个七牛云的类的封装：
上传：
/// <summary> /// 上传文件 /// </summary> /// <param name="model"></param> /// <param>FileType 文件类型</para> /// <param>bucket 目标空间 默认:studystone</para> /// <param>PicDomain 目标空间对应的默认域名 </para> /// <param>strSchool 学校二级</para> /// <param>saveFileName 目标文件名</para> /// <param>localFile 本地文件(优先)</para> /// <param>stream 文件流(本地文件存在则,忽略)</para> /// <returns></returns> public static UploadResult UploadFile(Bucket model) { //结果 var result = new UploadResult { }; //数据 var data = new HttpResult(); //类型 switch (model.FileType) { case UploadFileType.Image: model.mimeLimit = "image/*"; model.fsizeLimit = 2097152;//2M break; case UploadFileType.Video: model.mimeLimit = "video/mp4"; model.fsizeLimit = 41943040;//40M break; case UploadFileType.File: default: model.mimeLimit = "application/msword;application/vnd.openxmlformats-officedocument.wordprocessingml.document;application/vnd.ms-excel;application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;application/pdf;application/vnd.ms-powerpoint;application/x-rar-compressed;application/x-zip-compressed;text/css;text/html;application/x-javascript;application/json;text/plain"; model.fsizeLimit = 41943040;//40M break; } // 上传策略 PutPolicy putPolicy = new PutPolicy(); // 设置要上传的目标空间 putPolicy.Scope = model.bucket; // 上传策略的过期时间(单位:秒) putPolicy.SetExpires(3600); // 文件上传完毕后，在多少天后自动被删除 //putPolicy.DeleteAfterDays = int.MaxValue; // Use AK & SK here Mac mac = new Mac(AK, SK); // 生成上传凭证 string uploadToken = Auth.CreateUploadToken(mac, putPolicy.ToJsonString()); // 开始上传文件 FormUploader um = new FormUploader(); try { //目标地址 if (string.IsNullOrEmpty(model.localFile) == false && File.Exists(model.localFile) == true) { data = um.UploadFile(model.localFile, model.saveFilePath, uploadToken); } else if (model.stream != null) { data = um.UploadStream(model.stream, model.saveFilePath, uploadToken); } else { result.State = UploadState.Unknown; result.ErrorMessage = "上传文件为空"; return result; } //结果判断 switch (data.Code) { //上传成功 case 200: result.file = new QiniuFile { Date = DateTime.Now.ToString("yyyy年MM月dd日"), Moment = DateTime.Now.ToString("HH:mm tt").Replace("上午", "AM").Replace("下午", "PM"), FileName = model.saveFilePath.Substring(model.saveFilePath.LastIndexOf("/") + 1), Fsize = 0, Src = model.PicDomain + model.saveFilePath }; result.State = UploadState.Success; result.Url = model.PicDomain + model.saveFilePath; result.OriginFileName = model.saveFilePath.Substring(model.saveFilePath.LastIndexOf("/") + 1); break; case 403: result.State = UploadState.TypeNotAllow; result.ErrorMessage = "不允许的文件格式上传"; break; case 413: result.State = UploadState.TypeNotAllow; result.ErrorMessage = "文件大小超过限制"; break; case 612: result.State = UploadState.TypeNotAllow; result.ErrorMessage = "文件已存在"; break; default: result.State = UploadState.Unknown; result.ErrorMessage = "文件上传失败"; break; } } catch (Exception e) { result.State = UploadState.Unknown; result.ErrorMessage = e.Message; } return result; }
获取七牛云图片列表
/// <summary> /// 获取空间下面所有的图片 /// </summary> /// <param name="model"></param> /// <para>bucket 目标空间默认:stonestudy</para> /// <para>prefix 按文件名前缀保留搜索结果 如:ss/</para> /// <para>limit 每次最大请求的数量最大1000</para> /// <para>delimiter</para> /// <returns></returns> public static List<QiniuFile> FileList(Bucket model) { Mac mac = new Mac(AK, SK); BucketManager bm = new BucketManager(mac); // 返回结果存储在items中 List<QiniuFile> items = new List<QiniuFile>(); // 由于limit限制，可能需要执行多次操作 // 返回值中Marker字段若非空，则表示文件数超过了limit do { var result = bm.ListFiles(model.bucket, model.prefix, model.marker, model.limit, model.delimiter); //标记 model.marker = result.Result.Marker; if (result.Result.Items != null) { result.Result.Items.ForEach(m => { var date = TimeHelper.GetFullTime(m.PutTime.ToString()); items.Add(new QiniuFile { FileName = m.Key.Substring(m.Key.LastIndexOf("/") + 1), Fsize = m.Fsize, MimeType = m.MimeType, Src = model.PicDomain + m.Key, Date = date.ToString("yyyy年MM月dd日"), Moment = date.ToString("HH:mm tt").Replace("上午", "AM").Replace("下午", "PM") }); }); } } while (!string.IsNullOrEmpty(model.marker)); return items; }
删除图片
/// <summary> /// 删除文件 /// </summary> /// <param name="model"></param> /// <para>bucket 目标空间 默认:studystone</para> /// <para>saveFilePath 目标文件,非全路径 例如: temp/logo.png</para> /// <returns></returns> public static UploadResult Delete(Bucket model) { var result = new UploadResult(); try { Mac mac = new Mac(AK, SK); BucketManager target = new BucketManager(mac); var data = target.Delete(model.bucket, model.saveFilePath); switch (data.Code) { //上传成功 case 200: result.State = UploadState.Success; break; case 612: result.State = UploadState.TypeNotAllow; result.ErrorMessage = " 待删除资源不存在"; break; default: result.State = UploadState.Unknown; result.ErrorMessage = "文件删除失败"; break; } } catch (Exception) { result.State = UploadState.Unknown; result.ErrorMessage = "文件删除失败"; } return result; }