前臺代碼：ASPX
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Album_Default" %>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head runat="server">
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<title>無標題頁</title>
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</head>
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<body>
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<form id="form1" runat="server">
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<div>
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<asp:FileUpload ID="FileUpload1" runat="server" />
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<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /><br />
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<asp:Image ID="Image1" runat="server" Height="100px" /><br />
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<asp:Label ID="Label1" runat="server"></asp:Label></div>
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</form>
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</body>
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</html>
後臺代碼：CS
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using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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public partial class Album_Default : System.Web.UI.Page
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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Image1.Visible = false;
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}
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protected void Button1_Click(object sender, EventArgs e)
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{
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string filename = FileUpload1.FileName;
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string size = FileUpload1.PostedFile.ContentLength.ToString();
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string[] myfile = filename.Split('.');
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string dotname = myfile[myfile.Length - 1].ToString().ToLower();
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string type = FileUpload1.PostedFile.ContentType;
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string type2 = filename.Substring(filename.LastIndexOf(".") + 1);
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string imgpath = Server.MapPath("~/Upimg") + "//";
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string filepath = Server.MapPath("~/Upfile") + "//";
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string folder = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString();
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if (type2 == "jpg" || type2 == "gif")
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{
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Image1.Visible = true;
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if (!System.IO.Directory.Exists(imgpath + folder))
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{//自動生成文件夾
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System.IO.Directory.CreateDirectory(imgpath + folder);
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}
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Random myrdn = new Random();//產生隨機數
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//日期，時間，隨機數和後綴名
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string newfilename = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + myrdn.Next(10000).ToString() + "." + dotname;
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FileUpload1.SaveAs(imgpath + folder + "//" + newfilename);
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string wpath = "~//Upimg//" + folder + "//" + newfilename;
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Image1.ImageUrl = wpath;
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//FileUpload1.SaveAs(ipath);
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Label1.Text = "原始文件名" + filename + "<br>存儲文件名：" + newfilename + "<br>文件大小" + size + "<br>文件類型" + type2 + "<br>文件後綴" + type + "<br>文件虛擬路徑" + wpath;
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}
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else
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{
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if (!System.IO.Directory.Exists(filepath + folder))
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{//自動生成文件夾
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System.IO.Directory.CreateDirectory(filepath + folder);
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}
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Random myrdn = new Random();//產生隨機數
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//日期，時間，隨機數和後綴名
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string newfilename = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + myrdn.Next(10000).ToString() + "." + dotname;
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Image1.Visible = false;
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string wpath = "Upfile//" + folder + newfilename;
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FileUpload1.SaveAs(filepath + folder + "//" + newfilename);
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Label1.Text = "原始文件名" + filename + "<br>存儲文件名：" + newfilename + "<br>文件大小" + size + "<br>文件類型" + type2 + "<br>文件後綴" + type + "<br>文件虛擬路徑" + wpath;
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}
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}
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}
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Album_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>無標題頁</title></head><body> <form id="form1" runat="server"> <div> <asp:FileUpload ID="FileUpload1" runat="server" /> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /><br /> <asp:Image ID="Image1" runat="server" Height="100px" /><br /> <asp:Label ID="Label1" runat="server"></asp:Label></div> </form></body></html>using System;using System.Data;using System.Configuration;using System.Collections;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;public partial class Album_Default : System.Web.UI.Page{
protected void Page_Load(object sender, EventArgs e)
{
Image1.Visible = false;
} protected void Button1_Click(object sender, EventArgs e) { string filename = FileUpload1.FileName; string size = FileUpload1.PostedFile.ContentLength.ToString(); string[] myfile = filename.Split('.'); string dotname = myfile[myfile.Length - 1].ToString().ToLower(); string type = FileUpload1.PostedFile.ContentType; string type2 = filename.Substring(filename.LastIndexOf(".") + 1); string imgpath = Server.MapPath("~/Upimg") + "//"; string filepath = Server.MapPath("~/Upfile") + "//"; string folder = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString(); if (type2 == "jpg" || type2 == "gif") { Image1.Visible = true; if (!System.IO.Directory.Exists(imgpath + folder)) {//自動生成文件夾 System.IO.Directory.CreateDirectory(imgpath + folder); } Random myrdn = new Random();//產生隨機數 //日期，時間，隨機數和後綴名 string newfilename = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + myrdn.Next(10000).ToString() + "." + dotname; FileUpload1.SaveAs(imgpath + folder + "//" + newfilename); string wpath = "~//Upimg//" + folder + "//" + newfilename; Image1.ImageUrl = wpath; //FileUpload1.SaveAs(ipath); Label1.Text = "原始文件名" + filename + "<br>存儲文件名：" + newfilename + "<br>文件大小" + size + "<br>文件類型" + type2 + "<br>文件後綴" + type + "<br>文件虛擬路徑" + wpath; } else { if (!System.IO.Directory.Exists(filepath + folder)) {//自動生成文件夾 System.IO.Directory.CreateDirectory(filepath + folder); } Random myrdn = new Random();//產生隨機數 //日期，時間，隨機數和後綴名 string newfilename = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + myrdn.Next(10000).ToString() + "." + dotname; Image1.Visible = false; string wpath = "Upfile//" + folder + newfilename; FileUpload1.SaveAs(filepath + folder + "//" + newfilename); Label1.Text = "原始文件名" + filename + "<br>存儲文件名：" + newfilename + "<br>文件大小" + size + "<br>文件類型" + type2 + "<br>文件後綴" + type + "<br>文件虛擬路徑" + wpath; } }
}
