4.1.1、文件保存到文件夹
2、文件保存到数据库
上传
<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void btnAdd_Click(object sender, EventArgs e)
{
if (upFile.HasFile)
{
if (CheckFileType(upFile.FileName))
srcFiles.Insert();
}
}
bool CheckFileType(string fileName)
{
return Path.GetExtension(fileName).ToLower() == ".doc";
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<style type="text/css">
.fileList li
{
margin-bottom: 5px;
}
</style>
<title>FileUpload Database</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblFile" Text="Word Document:" AssociatedControlID="upFile" runat="server" />
<asp:FileUpload ID="upFile" runat="server" />
<asp:Button ID="btnAdd" Text="Add Document" runat="server" OnClick="btnAdd_Click" />
<hr />
<asp:Repeater ID="rptFiles" DataSourceID="srcFiles" runat="server">
<HeaderTemplate>
<ul Text='<%# Eval("FileName") %>' NavigateUrl='<%#Eval("Id","~/FileHandler.ashx?id={0}") %>'
runat="server" />
</li>
</ItemTemplate>
<FooterTemplate>
</ul>
</FooterTemplate>
</asp:Repeater>
</div>
<asp:SqlDataSource ID="srcFiles" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT Id,FileName FROM [Files]" InsertCommand="INSERT Files(FileName,FileBytes) VALUES(@FileName,@FileBytes)">
<InsertParameters>
<asp:ControlParameter Name="FileName" ControlID="upFile" PropertyName="FileName" />
<asp:ControlParameter Name="FileBytes" ControlID="upFile" PropertyName="FileBytes" />
</InsertParameters>
</asp:SqlDataSource>
</form>
</body>
</html>
----------------------------------------
Web 配置
<?xml version="1.0"?>
<!--
有?D关?如¨?何?配?置? ASP.NET 应?|用??程¨?序¨°的ì?详¨o细?信?息?é，ê?请?访¤?问¨o
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<connectionStrings>
<add name="ConnectionString" connectionString="Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\first.mdf;Integrated Security=True;User Instance=True"
providerName="System.Data.SqlClient" />
</connectionStrings>
<system.web>
<compilation debug="true" targetFramework="4.0"/>
</system.web>
</configuration>
----------------------------------------
Action
<%@ WebHandler Language="C#" %>
using System;
using System.Web;
using System.Data;
using System.Data.SqlClient;
public class FileHandler : IHttpHandler
{
const string connectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\first.mdf;Integrated Security=True;User Instance=True";
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "application/msword";
SqlConnection con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand("Select FileBytes From Files where id=@id", con);
cmd.Parameters.AddWithValue("@Id", context.Request["id"]);
using (con)
{
con.Open();
byte[] file = (byte[])cmd.ExecuteScalar();
context.Response.BinaryWrite(file);
}
}
public bool IsReusable
{
get
{
return false;
}
}
}
2011-4-27 11:44 danny