LEADBBS CODE |
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>FileUpload</title> </head> <body> <form id="form1" runat="server"> <div> <asp:FileUpload ID="FileUpload1" runat="server" /> <asp:Button ID="btnUpload" runat="server" Text="Upload" OnClick="btnUpload_Click" /><br /> <asp:Image ID="imgFile" runat="server" ImageUrl="" Visible="false" /><br /> <asp:Label ID="lblMessage" runat="server"></asp:Label> </div> </form> </body> </html> |
CS
LEADBBS CODE |
using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.IO; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void btnUpload_Click(object sender, EventArgs e) { if (this.FileUpload1.HasFile) ///有文件執行操作 { #region 檢測文件路徑,大小 string strErr="";//錯誤信息 int w=0; int h=0; if (this.FileUpload1.PostedFile == null) { strErr += "對不起,上傳文件不能爲空!//n"; } int filesize = this.FileUpload1.PostedFile.ContentLength; if (filesize < 1) { strErr += "對不起,上傳文件不能爲空!//n"; } if (filesize > 10485760) { strErr += "對不起,文件大小不能大於10M!//n"; } strErr = strErr.Trim(); if (strErr != "") { this.lblMessage.Text = strErr; return ; } #endregion #region 獲得文件信息 string filename; string filetype; string savename; filetype = this.FileUpload1.PostedFile.ContentType.ToString(); filename = this.FileUpload1.FileName; savename = System.DateTime.Now.ToString("yyyyMMddHHmmss") + filename; #endregion #region 檢測類型 strErr = ""; switch (filetype) { case "image/gif": case "image/bmp": case "image/pjpeg": { System.IO.Stream s = this.FileUpload1.PostedFile.InputStream; System.Drawing.Image i = System.Drawing.Image.FromStream(s); w = i.Width; h = i.Height; #region 判斷尺寸 // if(this.lblWidth.Text!="") // { // if(w>int.Parse(this.lblWidth.Text)) // { // strErr+="對不起,該文件格式超過規定寬度!//n"; // } // } // if(this.lblHigh.Text!="") // { // if(h>int.Parse(this.lblHigh.Text)) // { // strErr+="對不起,該文件格式超過規定高度!//n"; // } // } #endregion } break; //case "application/x-shockwave-flash": //case "application/octet-stream": // break; //case "video/x-ms-wmv": //case "video/mpeg": //case "video/x-ms-asf": //case "video/avi": //case "audio/mpeg": //case "audio/mid": //case "audio/wav": //case "audio/x-ms-wma": // break; //case "application/vnd.rn-realmedia-vbr": // break; default: strErr += "對不起,不允許該文件格式上傳!//n"; break; } if (strErr != "") { this.lblMessage.Text = strErr; return; } #endregion string strInfo=""; strInfo += "文件名:" + filename + "<br>"; strInfo += "文件大小:" + filesize + "<br>"; strInfo += "文件類型:" + filetype + "<br>"; strInfo += "文件高度:" + h + "<br>"; strInfo += "文件寬度:" + w + "<br>"; string savepath = "UpPic" + "//" + savename; string fullpath = Server.MapPath("UpPic") + "//" + savename; this.FileUpload1.SaveAs(fullpath); this.lblMessage.Text = strInfo; this.imgFile.ImageUrl = savepath; this.imgFile.Visible = true; } } } |