上传图片 copy 到另一文件夹

逻辑是错误的 主要是里面取路径的方法,有两种,一种直接替换,一种动态截取
string subFilePath = filePath.Substring(3, subFilePathIndex + 3);
这里第一个 3 替换成 磁盘路径下第几个
 

    private string uploadImage(string pImageNewName, string pFolder)

    {

        string str = "";

        string mPath = pFolder + "/BuyInfo" + "/" + ViewState["CID"].ToString() + "/";  //string pFolder = "images";  //mPath = "images/BuyInfo/6/"

        string fileContentType = fldBuyInfoImage.PostedFile.ContentType;  // fileContentType = "image/pjpeg"

        if (fileContentType == "image/gif" || fileContentType == "image/jpg" || fileContentType == "image/jpeg" || fileContentType == "image/pjpeg" || fileContentType == "image/png" || fileContentType == "image/bmp" || fileContentType == "image/x-png")

        {

            if (fldBuyInfoImage.PostedFile.ContentLength > 0)

            {

                #region

                HttpPostedFile mImg = fldBuyInfoImage.PostedFile; 

                System.IO.Stream mImgStr = mImg.InputStream;

                System.Drawing.Image mImage = System.Drawing.Image.FromStream(mImgStr);

                int mWidth = mImage.Width;

                int mHeight = mImage.Height;

                int mNWidth = 150, mNHeith = 113;

                //string FileName=  "C:\Users\Public\Pictures\Sample Pictures\Hydrangeas.jpg"

                int mStart = fldBuyInfoImage.PostedFile.FileName.LastIndexOfAny("\\".ToCharArray()); //mStart = 40

                string mName = fldBuyInfoImage.PostedFile.FileName.Substring(mStart + 1); //mName = "Hydrangeas.jpg"

                string[] mStrName = mName.Split('.'); //mStrName[0] = "Hydrangeas"       mStrName[1] = "jpg"

                string mPhysicalPath = HttpContext.Current.Server.MapPath(mPath);//mPhysicalPath = "D:\\aMainProject\\Nearway\\images\\BuyInfo\\6\\";

                if (!Directory.Exists(mPhysicalPath))

                {

                    Directory.CreateDirectory(mPhysicalPath);

                }

                string mPhysicalPath2 = mPhysicalPath.ToLower().Replace("nearway\\images", "NearWay_Oversea\\PubImage");//"d:\\amainproject\\NearWay_Oversea\\PubImage\\buyinfo\\6\\"

                if (!Directory.Exists(mPhysicalPath2))

                {

                    Directory.CreateDirectory(mPhysicalPath2);

                }

                string mPhysicalName = HttpContext.Current.Server.MapPath(mPath + pImageNewName + '.' + mStrName[1]); //mPhysicalName ="D:\\aMainProject\\Nearway\\images\\BuyInfo\\6\\2042201306040904022082_big_4361.jpg"

                #endregion

                string newFilePath = Server.MapPath(mPath + pImageNewName + '.' + mStrName[1]); //newFilePath = "D:\\aMainProject\\Nearway\\images\\BuyInfo\\6\\2042201306040949407366_big_7095.jpg"

                newFilePath = newFilePath.ToLower().Replace("nearway\\images", "NearWay_Oversea\\PubImage");//newFilePath = "d:\\amainproject\\NearWay_Oversea\\PubImage\\buyinfo\\6\\2042201306040904022082_big_4361.jpg"

                if (File.Exists(mPhysicalName))

                {

                    #region

                    this.deleteOldImage(mPhysicalName);

                    fldBuyInfoImage.PostedFile.SaveAs(mPhysicalName);

                    str = mPath + pImageNewName + '.' + mStrName[1];

                    string filePath = Server.MapPath(mPath + pImageNewName + '.' + mStrName[1]);

                    int subFilePathIndex = filePath.IndexOf(pFolder);

                    string subFilePath = filePath.Substring(3, subFilePathIndex + 5);

                    filePath = filePath.Replace(subFilePath, "NearWay_Oversea\\PubImage");

                    string mFilePath = filePath.Replace(pImageNewName + '.' + mStrName[1], "");

                    if (!Directory.Exists(mFilePath))

                        Directory.CreateDirectory(mFilePath);

                    File.Copy(mPhysicalName, newFilePath, true);

                    str = mPath + pImageNewName + '.' + mStrName[1];

                    #endregion

                }

                else

                {

                    fldBuyInfoImage.PostedFile.SaveAs(mPhysicalName);

                    string filePath = Server.MapPath(mPath + pImageNewName + '.' + mStrName[1]);  //filePath = "D:\\aMainProject\\Nearway\\images\\BuyInfo\\6\\2042201306040904022082_big_4361.jpg"

                    int subFilePathIndex = filePath.IndexOf(pFolder);//subFilePathIndex =24

                    string subFilePath = filePath.Substring(3, subFilePathIndex + 3);// subFilePath = "aMainProject\\Nearway\\images"

                    filePath = filePath.Replace(subFilePath, "NearWay_Oversea\\PubImage");//filePath = "D:\\NearWay_Oversea\\PubImage\\BuyInfo\\6\\2042201306040904022082_big_4361.jpg"

                    string mFilePath = filePath.Replace(pImageNewName + '.' + mStrName[1], "");  //mFilePath = "D:\\NearWay_Oversea\\PubImage\\BuyInfo\\6\\"

                    if (!Directory.Exists(mFilePath))

                    {

                        Directory.CreateDirectory(mFilePath);

                    }

                    File.Copy(mPhysicalName, newFilePath, true);//小图：中文求购copy至海外求购

                    str = mPath + pImageNewName + '.' + mStrName[1];

                }

                System.Drawing.Image mNImage = mImage.GetThumbnailImage(mNWidth, mNHeith, null, IntPtr.Zero);

                mNImage.Save(Server.MapPath(str.Replace("_big_" + ViewState["mRandom"].ToString(), "")), mImage.RawFormat);

                string str2 = Server.MapPath(str.Replace("_big_" + ViewState["mRandom"].ToString(), ""));

                string str3 = str2.ToLower().Replace("nearway\\images", "NearWay_Oversea\\PubImage");

                File.Copy(str2, str3, true);//大图：中文求购copy至海外求购

            }

            else

            {

                myShare.WebMessageBox(this.Page, "图片格式不符合要求！");

                fldBuyInfoImage.Focus();

            }

        }

        else

        {

            myShare.WebMessageBox(this.Page, "请选择上传的文件！");

            fldBuyInfoImage.Focus();

        }

        return str;

    }