C#中的文件上传

来源:互联网 发布:mac配置path 编辑:程序博客网 时间:2024/06/04 20:00
 protected void Button1_Click(object sender, EventArgs e)    {        try        {            if (this.FileUpload1.PostedFile.FileName == null)            {                Response.Write("<script language=javascript>alert('请选择你要上传的文件!');</script>");            }            else            {                string filePath = FileUpload1.PostedFile.FileName;                string fileName = filePath.Substring(filePath.LastIndexOf("\\") + 1);                string fileType = (filePath.Substring(filePath.LastIndexOf(".") + 1)).ToLower();                string serverPath = Server.MapPath("~/upload/")+ fileName;                               if (fileType == "bmp" || fileType == "gif" || fileType == "jpg" || fileType == "doc" || fileType == "xls" || fileType == "rar")                {                    FileUpload1.PostedFile.SaveAs(serverPath);                    this.TextBox1.Text = "/upload/" + fileName;                    Response.Write("<script language=javascript>alert('当前文件上传成功!');</script>");                }                else                {                    Response.Write("<script language=javascript>alert('文件上传失败!只能上传以下文件格式的文件:bmp,gif,jpg,doc,xls,rar。');</script>");                }            }        }        catch (Exception ex)        {            Response.Write(ex.Message);        }    }

	
				
		
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