/// <returns>上传成功返回"",并填充 Model.UploadFile</returns> /// <param name="vid">上传配置模块id,即UploadConfig_Id</param> /// <param name="key">随机key</param> /// <param name="userId">上传者id</param> /// <param name="userName">上传者UserName</param> /// <param name="remotePicUrl">远程图片的url地址</param> /// <param name="m_r">Model.UploadFile</param> /// <returns>上传成功返回"",并填充 Model.UploadFile</returns> public string Upload_RemotePic(int vid, string key, int userId, string userName, string remotePicUrl, UploadFile m_r) { #region 检查参数 //--------------------------------------------------- if (vid < 1 || key.Length < 10) { return("缺少参数:key或sid"); } //--------------------------------------------------- #region 检查登陆 m_r.UserId = userId; m_r.UserName = userName; if (m_r.UserId == 0) { return("您的权限不足!"); } #endregion //--------------------------------------------------- UploadConfig mC = Read_UploadConfig(vid); if (mC.Id != vid) { return("缺少参数:UploadConfig_Id!"); } if (mC.IsPost != 1) { return("系统暂时禁止上传文件2!"); } if (mC.IsEditor != 1) { return("非编辑器类别!"); } mC.UploadType_TypeKey = "image"; #endregion //---------------------------------------------- #region 生成暂时目录 string sCfgSavePath = new Uploader().SavePath; string sSavePath = DirFileHelper.FixDirPath(sCfgSavePath + mC.SaveDir) + DateTime.Now.ToString("yyMM") + "/"; if (!DirFileHelper.CheckSaveDir(sSavePath)) { return("SavePath设置不当:" + sSavePath + ", 或权限不足!"); } string sServerDir = sCfgSavePath + "remote/"; if (!DirFileHelper.CheckSaveDir(sServerDir)) { return("ServerDir设置不当:" + sServerDir + ", 或权限不足!"); } //---------------------------------------------- string sSrcName = StringHelper.Left(DirFileHelper.GetFileName(remotePicUrl), 90); string sFileExt = DirFileHelper.GetFileExtension(sSrcName); //因部部分网站不是标准的jpg、gif扩展名,所以修改下面代码 if (sFileExt.Length > 0) { string sAllowed = ",jpg,gif,png,bmp,"; string sExt = "," + sFileExt.ToLower() + ","; if (sAllowed.IndexOf(sExt) == -1) { sFileExt = "jpg"; } } else { sFileExt = "jpg"; } //---------------------------------------------- string sNewFile = DirFileHelper.GetRndFileName("." + sFileExt); if (sServerDir.IndexOf(":") < 0) { sServerDir = DirFileHelper.FixDirPath(DirFileHelper.GetMapPath(sServerDir)); } string sNewRoot = System.IO.Path.Combine(sServerDir, sNewFile); #endregion //---------------------------------------------- #region 到暂时目录 try { var wc = new System.Net.WebClient(); wc.DownloadFile(remotePicUrl, sNewRoot); } catch (Exception ex) { //throw ex; return(ex.Message.ToLower()); } if (!DirFileHelper.IsExistFile(sNewRoot)) { return("上传失败"); } #endregion //---------------------------------------------- #region 判断是否真实图片格式,并取得图片宽高 int ww = 0, hh = 0; if (!Uploader.Get_Pic_WW_HH(sNewRoot, out ww, out hh)) { DirFileHelper.DeleteFile(sNewRoot); return("非法格式!不是图片文件。"); } int iMaxSize = mC.PicSize; long iFileSize = DirFileHelper.GetFileSize(sNewRoot); /* * if (iFileSize > iMaxSize) * { * return "上传文件大小超过了限制.最多上传(" + DirFileHelper.FmtFileSize2(iMaxSize) + ")."; * } */ #endregion #region 把上传的暂时文件复制到相关模块目录中 string sNewPath = sSavePath + sNewFile; string orgImg = DirFileHelper.GetFilePathPostfix(sNewPath, "o"); //复制到原始图 DirFileHelper.CopyFile(sNewRoot, orgImg); //删除暂时上传的图片 DirFileHelper.DeleteFile(sNewRoot); //生成相关缩略图 OneMakeThumbImage(sNewPath, mC); #endregion //---------------------------------------------- #region 保存入数据库 m_r.UploadConfig_Id = mC.Id; m_r.JoinName = mC.JoinName; m_r.JoinId = 0; m_r.UserType = mC.UserType; m_r.UserIp = IpHelper.GetUserIp(); m_r.AddDate = DateTime.Now; m_r.InfoText = ""; m_r.RndKey = key; m_r.Name = sNewFile; m_r.Path = sNewPath; m_r.Src = sSrcName; m_r.Ext = sFileExt; m_r.Size = ConvertHelper.Cint0(iFileSize); m_r.PicWidth = ww; m_r.PicHeight = hh; //保存入数据库 Add_UploadFile(m_r); #endregion //------------------------------------ //上传成功,输出结果 return(""); }
/// <summary>上传文件,并按设置生成缩略图,水印</summary> /// <returns></returns> public bool UploadFile(HttpPostedFile oFile = null) { #region 检查设置 if (!this.IsEnabled) { SendResponse(500, ""); return(false); } if (this.IsChkSrcPost) { if (!RequestHelper.ChkSrcPost()) { SendResponse(501, ""); return(false); } } if (this._savePath.Length < 1) { SendResponse(101, "SavePath未设置"); return(false); } if (oFile == null) { if (this.FilePostName.Length < 1) { SendResponse(101, "filePostName未设置"); return(false); } } this._savePath = DirFileHelper.FixDirPath(_savePath) + DateTime.Now.ToString("yyMM") + "/"; bool isOk = DirFileHelper.CheckSaveDir(this._savePath); if (!isOk) { SendResponse(101, "SavePath设置不当:" + this._savePath + ", 或权限不足!"); return(false); } #endregion //------------------------------------------------ #region 获取文件对象 //获取文件对象 if (oFile == null) { oFile = HttpContext.Current.Request.Files[FilePostName]; } if (oFile == null) { SendResponse(201, ""); return(false); } //------------------------------------------------ //原始文件名; this.SrcName = Path.GetFileName(oFile.FileName); #endregion //------------------------------------------------ #region 检查文件大小 this._fileSize = oFile.ContentLength; //不能上传小于10字节的内容 if (this.SrcName.Length < 3 || this._fileSize < 10) { SendResponse(201, ""); return(false); } //检测文件大小是否超过限制 if (this._fileSize > (this._maxSize * 1024)) { SendResponse(301, ""); return(false); } #endregion //------------------------------------------------ #region 检查文件类型 this.FileExt = Path.GetExtension(this.SrcName).ToLower().TrimStart('.'); if (!checkAllowedExt(this.FileExt)) { SendResponse(202, ""); return(false); } #endregion #region 文件 //上传 string sServerDir = _savePath; if (sServerDir.IndexOf(":") < 0) { sServerDir = DirFileHelper.FixDirPath(DirFileHelper.GetMapPath(sServerDir)); } string sNewFile = ""; //新文件名(系统生成) string sNewRoot = ""; //新文件路径(绝对路径) while (true) { sNewFile = DirFileHelper.GetRndFileName("." + this.FileExt); sNewRoot = System.IO.Path.Combine(sServerDir, sNewFile); if (!DirFileHelper.IsExistFile(sNewRoot)) { try { oFile.SaveAs(sNewRoot); } catch { SendResponse(204, ""); return(false); } break; } } this.NewFile = sNewFile; this.NewPath = _savePath + sNewFile; #endregion //------------------------------------------------ #region 生成缩略图 + 水印 if (this.FileExt == "jpg" || this.FileExt == "png" || this.FileExt == "gif" || this.FileExt == "jpeg" || this.FileExt == "bmp") { #region 取得原始尺寸 try//能取得图片宽高,是真实的图片 { System.Drawing.Image testImage1 = System.Drawing.Image.FromFile(sNewRoot); this.SrcWidth = testImage1.Width; this.SrcHeight = testImage1.Height; testImage1.Dispose(); this.NewWidth = this.SrcWidth; this.NewHeight = this.SrcHeight; } catch { //非法格式,不是真正的图片 DirFileHelper.DeleteFile(sNewRoot); SendResponse(202, ""); return(false); } //------------------------------------------------ //先备份原始图 var tmpPath = ""; tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "o")); DirFileHelper.CopyFile(sNewRoot, tmpPath); #endregion if (this._isFixPic || this._isBigPic || this._isMidPic || this._isMinPic) { #region 创建大图 if (this._isBigPic) { tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "b")); if (this._bigWidth > 0 && this._bigHeight > 0) { //缩略 MakeThumbImage(sNewRoot, tmpPath, this._bigWidth, this._bigHeight, this._bigQuality, this.CutType); } else//因为不限制宽高,所以直接复制出来就行了 { DirFileHelper.CopyFile(sNewRoot, tmpPath); } //添加水印 if (this.IsWaterPic) { MakeWaterPic(tmpPath); } } #endregion //------------------------------------------------ #region 创建中图 if (this._isMidPic) { tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "m")); if (this._midWidth > 0 && this._midHeight > 0) { //缩略图 MakeThumbImage(sNewRoot, tmpPath, this._midWidth, this._midHeight, this._midQuality, this.CutType); } else//因为不限制宽高,所以直接复制出来就行了 { DirFileHelper.CopyFile(sNewRoot, tmpPath); } //添加水印 if (this.IsWaterPic) { MakeWaterPic(tmpPath); } } #endregion //------------------------------------------------ #region 创建小图 if (this._isMinPic) { tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "s")); if (this._minWidth > 0 && this._minHeight > 0) { //缩略图 MakeThumbImage(sNewRoot, tmpPath, this._minWidth, this._minHeight, this._minQuality, this.CutType); } else//因为不限制宽高,所以直接复制出来就行了 { DirFileHelper.CopyFile(sNewRoot, tmpPath); } //微型图不用加水印 } #endregion //------------------------------------------------ #region 创建推荐图 if (this._isHotPic) { tmpPath = System.IO.Path.Combine(sServerDir, DirFileHelper.GetFileNamePostfix(sNewFile, "h")); if (this._hotWidth > 0 && this._hotHeight > 0) { //缩略图 MakeThumbImage(sNewRoot, tmpPath, this._hotWidth, this._hotHeight, this._hotQuality, this.CutType); } else//因为不限制宽高,所以直接复制出来就行了 { DirFileHelper.CopyFile(sNewRoot, tmpPath); } //添加水印 if (this.IsWaterPic) { MakeWaterPic(tmpPath); } } #endregion //------------------------------------------------ #region 限制列表图 if (this._isFixPic && this._picWidth > 0 && this._picHeight > 0) { MakeThumbImage(sNewRoot, sNewRoot, this._picWidth, this._picHeight, this._picQuality, this.CutType); } #endregion #region 取得缩放后的图片宽高 try { System.Drawing.Image testImage2 = System.Drawing.Image.FromFile(sNewRoot); this.NewWidth = testImage2.Width; this.NewHeight = testImage2.Height; testImage2.Dispose(); } catch { DirFileHelper.DelPicFile(this.NewPath); SendResponse(202, ""); return(false); } #endregion } //列表图是否加水印 if (DirFileHelper.IsExistFile(sNewRoot) && this.IsWaterPic) { MakeWaterPic(sNewRoot); } } #endregion //上传成功!! return(true); }