c/s 给服务器上传文件（c/s和b/s互传文件）

浏览数：19 / 时间：2015年06月09日

//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);
            }
 
        }

//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;
            }
        }
    }