c/s 给 服务器上传文件（c/s和b/s互传文件）

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

//c/s 代码

 private
void button1_Click(object
sender, EventArgs e)

        {

            OpenFileDialog openFileDialog = new
OpenFileDialog();

            openFileDialog.InitialDirectory = "c:\\";//注意这里写路径时要用c:\\而不是c:\

            openFileDialog.Filter = "所有文件|*.*|word|*.doc|word|*.docx|Excel|*.xlsx|Excel|*.xls|图片pdf|*.pdf|图片png|*.png";

            // openFileDialog.RestoreDirectory = true;

            openFileDialog.FilterIndex = 1;

            DataSet ds = new
DataSet();

            try

            {

                if
(openFileDialog.ShowDialog() == DialogResult.OK)

                {

                    FileInfo files = new
FileInfo(openFileDialog.FileName);

                    if
(Config.Ext.Contains(files.Extension) == false)

                    {

                        MessageBox.Show("不允许上传此类型的文件");

                        return;

                    }

                    // 获得文件大小KB为单位

                    fileLength = Convert.ToInt32( files.Length /1024);

                    Cursor.Current = Cursors.WaitCursor;

                    WebClient webClient = new
WebClient();

                    string
name = openFileDialog.SafeFileName;

                    string
nametemp = openFileDialog.SafeFileName;

                    AttachmentBLL AttachmentBLL = new
BLL.AttachmentBLL();

                    if
(AttachmentBLL.CheckName(name))

                    {

                        name = DateTime.Now.ToString("yyyyMMddHHmmss") + name;

                    }

                    string
uploadpath = Config.uploadpath;

                    string
path = uploadpath + name;

                    string
file = openFileDialog.FileName;

                    int
len = 1024;

                    byte[] ty = new
byte[len];

                    ty = webClient.UploadFile(path, "post", file);// path=http://i.cnblogs.com/MyHandler.ashx?name="文件名称"

                    Tempclass temp = new
Tempclass();

                    string
attachmentpath = Config.attachmentpath;

                    string
url = Config.path + name;

                    temp.Id = AttachmentBLL.AddAttachment(url, openFileDialog.SafeFileName,fileLength);

                    temp.Nane = openFileDialog.SafeFileName;

                    infolist.Add(temp);

                    listannex.DataSource = null;

                    listannex.DataSource = infolist;

                    listannex.DisplayMember = "Nane";

                    listannex.ValueMember = "Id";

                    listannex.ClearSelected();

                    filename = filename + nametemp + "; ";

                    Cursor.Current = Cursors.Default;

                }

            }

            catch
(Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

//一般处理处理程序中的代码

    /// <summary>

    /// MyHandler 的摘要说明

    /// </summary>

    public
class MyHandler : IHttpHandler

    {

        public
void ProcessRequest(HttpContext context)

        {

            context.Response.ContentType = "text/plain";

            context.Response.Write("Hello World");

            HttpPostedFile imgPostFile = context.Request.Files[0];  //一直为null 

            string
name = context.Request["name"];

            string
path = System.Configuration.ConfigurationManager.AppSettings["path"].ToString(); //保存服务器的地址 C:\\dbi\\WebService\\attachment\\

            imgPostFile.SaveAs(path + name);

        }

        public
bool IsReusable

        {

            get

            {

                return
false;

            }

        }

    }