예제 #1
0
        /// <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("");
        }
예제 #2
0
        /// <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);
        }