Read() public method

public Read ( byte buffer, int offset, int count ) : int
buffer byte
offset int
count int
return int
Exemplo n.º 1
0
        public static bool IsPdf(HttpPostedFileBase DocumentUpload)
        {
            var pdfString = "%PDF-";
            var pdfBytes  = Encoding.ASCII.GetBytes(pdfString);
            var len       = pdfBytes.Length;

            int FileLen;

            System.IO.Stream MyStream;

            FileLen = DocumentUpload.ContentLength;
            byte[] buffer = new byte[len];

            // Initialize the stream.
            MyStream = DocumentUpload.InputStream;

            // Read the file into the byte array.
            if (FileLen >= len)
            {
                MyStream.Read(buffer, 0, len);
            }
            else
            {
                MyStream.Read(buffer, 0, FileLen);
            }



            return(pdfBytes.SequenceEqual(buffer));
        }
Exemplo n.º 2
0
    private void Page_Load(Object sender, EventArgs e)
    {
        HttpFileCollection MyFileCollection;
        HttpPostedFile     MyFile;
        int FileLen;

        System.IO.Stream MyStream;

        MyFileCollection = Request.Files;
        MyFile           = MyFileCollection[0];

        FileLen = MyFile.ContentLength;
        byte[] input = new byte[FileLen];

        // Initialize the stream.
        MyStream = MyFile.InputStream;

        // Read the file into the byte array.
        MyStream.Read(input, 0, FileLen);

        // Copy the byte array into a string.
        for (int Loop1 = 0; Loop1 < FileLen; Loop1++)
        {
            MyString = MyString + input[Loop1].ToString();
        }
    }
        static void Main()
        {
            MyStream ms = new MyStream();

            ms.Read(new byte[] { }, 0, 0);
            ms.Write(new byte[] { }, 0, 0);
            ms.Flush();
            Console.WriteLine("See log.txt for details");

            Console.ReadKey();
        }
Exemplo n.º 4
0
        public void AAA(MyStream stream)
        {
            byte[] bytes     = new byte[512];
            int    readCount = 1;

            while (readCount > 0)
            {
                FileStream localStream = new FileStream("c:\\test.txt", FileMode.Append, FileAccess.ReadWrite);
                readCount = stream.Read(bytes, 0, bytes.Length);
                localStream.Write(bytes, 0, bytes.Length);
                localStream.Close();
            }
        }
Exemplo n.º 5
0
        protected void Button1_Click(object sender, EventArgs e)
        {
            //Response.AddHeader("Content-Length",

            HttpPostedFile f = this.FileUpload1.PostedFile;



            HttpFileCollection MyFileCollection;

            HttpPostedFile MyFile;
            int            FileLen;

            System.IO.Stream MyStream;

            MyFileCollection = Request.Files;
            MyFile           = MyFileCollection[0];

            FileLen = MyFile.ContentLength;

            FileLen = 200;

            byte[] input = new byte[FileLen];

            // Initialize the stream.
            MyStream = MyFile.InputStream;

            MyStream.Position = MyStream.Length - 100;

            // Read the file into the byte array.
            MyStream.Read(input, 0, FileLen);



            string MyString = string.Empty;

            // Copy the byte array into a string.
            for (int Loop1 = 0; Loop1 < FileLen; Loop1++)
            {
                MyString = MyString + input[Loop1].ToString();
            }

            using (StreamWriter sw = new StreamWriter(@"c:\aaaaa.txt"))
            {
                sw.Write(MyString);
            }


            MyFile.SaveAs(@"c:\bbbbbbb.bbb");
            //Response.Write(MyString);
        }
Exemplo n.º 6
0
    private void GetSize()
    {
        HttpFileCollection MyFileCollection;
        HttpPostedFile     MyFile;
        long   FileLen = 0;
        Stream MyStream;

        MyFileCollection = Request.Files;
        FileLen          = Request.InputStream.Length;

        if (FileLen > 0)
        {
            byte[] input = new byte[FileLen];
            MyStream          = Request.InputStream;
            MyStream.Position = 0;
            MyStream.Read(input, 0, (int)FileLen);
            FileStream fs         = null;
            string     token      = Request.Params["token"];
            string     name       = Request.Params["name"];
            string[]   names      = name.Split((".").ToCharArray());
            string     uploadPath = HttpContext.Current.Server.MapPath("UploadImages" + "\\") + token + "." + names[names.Length - 1];
            fs = new FileStream(uploadPath, FileMode.OpenOrCreate, FileAccess.Write);
            fs.Seek(0, SeekOrigin.End);
            fs.Write(input, 0, (int)FileLen);
            fs.Position = 0;
            FileLen     = fs.Length;
            MyStream.Dispose();
            MyStream.Close();
            fs.Dispose();
            fs.Close();
        }
        string value = "{start:" + FileLen + ",success:'true'}";

        Response.Clear();
        Response.Write(value);
        Response.End();        //*/
    }
Exemplo n.º 7
0
        public ActionResult leading_in()
        {
            HttpPostedFileBase upfile = Request.Files["leadtxt"];

            if (upfile == null)
            {
                return(Content("fail|您没有选择文件"));
            }
            //判断文件大小是否符合要求
            //if (upfile.ContentLength >= (5242880))
            //{
            //    return Content("fail|请上传5M以内的文件!");
            //}
            string ext = Path.GetExtension(upfile.FileName);//获得文件扩展名

            if (ext != ".txt")
            {
                return(Content("fail|请上传有效的txt文件"));
            }

            //利用InputStream 属性直接从HttpPostedFile对象读取文本内容
            System.IO.Stream MyStream;
            int FileLen;

            FileLen = upfile.ContentLength;
            // 读取文件的 byte[]
            byte[] bytes = new byte[FileLen];
            MyStream = upfile.InputStream;
            MyStream.Read(bytes, 0, FileLen);
            string text = Encoding.UTF8.GetString(bytes);

            string error    = "";
            int    errorcnt = 0;
            List <SYSIntegralCode> codes = new List <SYSIntegralCode>();

            using (StringReader sr = new StringReader(text))
            {
                try
                {
                    string line;
                    int    lineIndex = 0;
                    while ((line = sr.ReadLine()) != null)
                    {
                        lineIndex++;
                        SYSIntegralCode codeModel = new SYSIntegralCode();
                        if (string.IsNullOrWhiteSpace(line))
                        {
                            error += "第" + lineIndex + "行导入失败:" + "空行。";
                            errorcnt++;
                            continue;
                        }
                        string[] codeArray = line.Split(',');
                        if (codeArray.Length < 3)
                        {
                            error += "第" + lineIndex + "行导入失败:" + "参数数量不正确。";
                            errorcnt++;
                            continue;
                        }
                        codeModel.WaterCode    = codeArray[0];
                        codeModel.IntegralCode = codeArray[2];
                        codeModel.Dat          = DateTime.Now;
                        codeModel.State        = "未使用";
                        if (codeModel.IsHave())
                        {
                            error += "第" + lineIndex + "行导入失败:" + "已经存在相同的。";
                            errorcnt++;
                            continue;
                        }

                        codes.Add(codeModel);
                    }
                }
                catch (Exception ex)
                {
                    sr.Close();
                    DAL.Log.Instance.Write(ex.ToString(), "SYSIntegralCode_leading_in_error");
                    return(Content("fail|导入出现异常"));
                }
            }


            foreach (var item in codes)
            {
                item.InsertAndReturnIdentity();
            }


            return(Content(string.Format("ok|【导入完成,成功{0}条,失败{1}条】{2}。", codes.Count, errorcnt, error)));
        }
        public ActionResult ErrorFile(Models.ErrorFilePage row)
        {
            ViewBag.PreviousUrl = TempData["PreviousUrl"] != null ? TempData["PreviousUrl"] : GetPreviousUrl();

            bool Supprimer = false;
            bool Importer  = false;


            if (Request.Form["Action"] != null)
            {
                if (Request.Form["Action"].IndexOf("Imp", StringComparison.OrdinalIgnoreCase) >= 0)
                {
                    Importer = true;
                }
                else if (Request.Form["Action"].IndexOf("Sup", StringComparison.OrdinalIgnoreCase) >= 0)
                {
                    Supprimer = true;
                }
            }



            System.Web.Script.Serialization.JavaScriptSerializer scriptSerializer = new System.Web.Script.Serialization.JavaScriptSerializer();
            var Fichier = row.Fichiers.FirstOrDefault();

            if (Fichier != null)
            {
                byte[]           input   = null;
                int              FileLen = Fichier.ContentLength;
                System.IO.Stream MyStream;
                input = new byte[FileLen];

                MyStream = Fichier.InputStream;
                MyStream.Read(input, 0, FileLen);

                row.MyEx = scriptSerializer.Deserialize <MyException>(System.Text.Encoding.UTF8.GetString(input)).EEE();
            }
            else if (!string.IsNullOrWhiteSpace(row.Fichier))
            {
                var filename = System.IO.Path.Combine(Server.MapPath("~/App_Data"), row.Fichier + ".ERDUMP");

                if (Supprimer)
                {
                    System.IO.File.Delete(filename);
                    row.MyEx = null;
                }
                else
                {
                    row.MyEx = scriptSerializer.Deserialize <MyException>(System.IO.File.ReadAllText(filename)).EEE();
                }
            }
            else
            {
                row.MyEx = null;
            }

            //  Except = exception.EEE();

            if (Importer && row.MyEx != null)
            {
                try
                {
                    //throw new System.Data.Entity.Validation.DbEntityValidationException();

                    var sql = new Models.Entities();
                    sql.CatchMe_Exception.Add(row.MyEx);
                    sql.SaveChanges();
                }
                catch (System.Data.Entity.Validation.DbEntityValidationException e)
                {
                    ViewBag.ErrorMessage = CatchException.Dump(e).ToString().Replace("\n", "<br/>");
                    return(View(row));
                }

                if (!string.IsNullOrWhiteSpace(row.Fichier))
                {
                    var filename = System.IO.Path.Combine(Server.MapPath("~/App_Data"), row.Fichier + ".ERDUMP");
                    System.IO.File.Delete(filename);
                }

                return(RedirectToAction("Erreur", new { id = row.MyEx.CodeCatch }));
            }



            return(View(row));
        }
Exemplo n.º 9
0
 public override int Read(byte[] buffer, int offset, int count)
 {
     AssertInvariants();
     Contracts.Check(!_disposed, "Stream already disposed");
     return(MyStream.Read(buffer, offset, count));
 }
Exemplo n.º 10
0
        private Dictionary <string, Dictionary <int, string> > readEvidenceFileToDictionary(HttpPostedFile file, DataTable locusSortOrder)
        {
            Dictionary <string, Dictionary <int, string> > val = new Dictionary <string, Dictionary <int, string> >();

            if (String.IsNullOrEmpty(file.FileName))
            {
                return(val);
            }
            else
            {
                if (!String.IsNullOrEmpty(file.FileName))
                {
                    int FileLen;
                    System.IO.Stream MyStream;


                    try
                    {
                        FileLen = file.ContentLength;
                        byte[] input = new byte[FileLen];

                        // Initialize the stream.
                        MyStream = file.InputStream;

                        // Read the file into the byte array.
                        MyStream.Read(input, 0, FileLen);
                        StringBuilder strUploadedContent = new StringBuilder("");
                        strUploadedContent.Append(Encoding.ASCII.GetString(input, 0, FileLen));

                        string   txtOutPut = Server.HtmlEncode(strUploadedContent.ToString());
                        string[] list      = txtOutPut.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
                        if (list.Length > 0)
                        {
                            if (list[0].ToUpper().Contains("REPLICATE"))
                            {
                                //replicate data
                                val.Clear();

                                for (int i = 1; i < list.Length; i++)
                                {
                                    list[i] = list[i].Trim();
                                    string[] curAllele = list[i].Split('\t');
                                    //clean curAllele, remove all empty allele

                                    if (curAllele.Length >= 2)
                                    {
                                        StringBuilder thisAllele = new StringBuilder("");
                                        if (curAllele.Length > 2) //no allele
                                        {
                                            for (int j = 2; j < curAllele.Length; j++)
                                            {
                                                thisAllele.Append(curAllele[j].ToString());
                                                thisAllele.Append(",");
                                            }
                                        }
                                        //remove last ","
                                        if (!String.IsNullOrEmpty(thisAllele.ToString()))
                                        {
                                            if (thisAllele[thisAllele.Length - 1] == ',')
                                            {
                                                thisAllele.Remove(thisAllele.Length - 1, 1);
                                            }
                                        }

                                        if (val.ContainsKey(curAllele[0]))
                                        {
                                            val[curAllele[0]].Add(Convert.ToInt32(curAllele[1].ToString()), thisAllele.ToString());
                                        }
                                        else
                                        {
                                            Dictionary <int, string> newReplicate = new Dictionary <int, string>();
                                            newReplicate.Add(Convert.ToInt32(curAllele[1].ToUpper().ToString()), thisAllele.ToString());
                                            val.Add(curAllele[0], newReplicate);
                                        }
                                    }
                                }
                            }
                            else
                            {
                                throw new Exception("Wrong Unknown File");
                                return(null);
                            }
                        }

                        List <string>            loci      = LocusSortOrder(locusSortOrder);
                        Dictionary <int, string> emptyLoci = new Dictionary <int, string>();
                        for (int replicate = 1; replicate <= 3; replicate++)
                        {
                            emptyLoci.Add(replicate, string.Empty);
                        }

                        foreach (string locus in loci)
                        {
                            if (!val.ContainsKey(locus.ToUpper()))
                            {
                                val.Add(locus.ToUpper(), emptyLoci);
                            }
                        }

                        return(val);
                    }
                    catch (Exception eFile)
                    {
                        MessageBox.Show("Error reading file: '" + file.FileName + "'. Please make sure you select a file in the correct format.");
                        return(null);
                    }
                }
            }
            return(null);
        }
Exemplo n.º 11
0
        private Dictionary <string, string> readKnownFileToDictionary(HttpPostedFile file, DataTable locusSortOrder)
        {
            if (!String.IsNullOrEmpty(file.FileName))
            {
                int FileLen;
                System.IO.Stream MyStream;

                Dictionary <string, string> val = new Dictionary <string, string>();

                try
                {
                    FileLen = file.ContentLength;
                    byte[] input = new byte[FileLen];

                    // Initialize the stream.
                    MyStream = file.InputStream;

                    // Read the file into the byte array.
                    MyStream.Read(input, 0, FileLen);
                    StringBuilder strUploadedContent = new StringBuilder("");
                    strUploadedContent.Append(Encoding.ASCII.GetString(input, 0, FileLen));

                    string   txtOutPut = Server.HtmlEncode(strUploadedContent.ToString());
                    string[] list      = txtOutPut.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
                    if (list.Length > 0)
                    {
                        if (list[0].ToUpper().Contains("REPLICATE"))
                        {
                            //replicate data
                            throw new Exception("Wrong Suspect1 File");
                        }
                        else
                        {
                            //suspect1 data
                            for (int i = 1; i < list.Length; i++)
                            {
                                list[i] = list[i].Trim();
                                string[] curAllele = list[i].Split('\t');
                                if (curAllele.Length >= 1)
                                {
                                    StringBuilder thisAllele = new StringBuilder("");
                                    for (int j = 1; j < curAllele.Length; j++)
                                    {
                                        thisAllele.Append(curAllele[j].ToString());
                                        thisAllele.Append(",");
                                    }
                                    if (!String.IsNullOrEmpty(thisAllele.ToString()))
                                    {
                                        if (thisAllele[thisAllele.Length - 1] == ',')
                                        {
                                            thisAllele.Remove(thisAllele.Length - 1, 1);
                                        }
                                    }
                                    string locus = curAllele[0].ToUpper();
                                    val.Add(locus, thisAllele.ToString());
                                }
                            }
                        }
                    }
                }
                catch (Exception eFile)
                {
                    MessageBox.Show("Error reading file: '" + file.FileName + "'. Please make sure you select a file in the correct format.");

                    return(null);
                }

                List <string> loci = LocusSortOrder(locusSortOrder);

                foreach (string locus in loci)
                {
                    if (!val.ContainsKey(locus.ToUpper()))
                    {
                        val.Add(locus.ToUpper(), string.Empty);
                    }
                }

                return(val);
            }
            return(null);
        }