批量上传图片

我刚刚做了一个图片管理的呵呵，就是动态生成的FileUpload，跟你说的一样。。把你JS写的代码也发我看下吧，我JS蛮差的呵呵。using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.OleDb;
using System.IO;public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)//首次执行页面
        {
            SFUPC();//页面执行一次将上传文件控件集到缓存中
        }
    }    protected void Btn_onLoad_Click(object sender, EventArgs e)
    {
        UpFile();//执行上传文件
    }
    protected void Btn_Add_Click(object sender, EventArgs e)
    {
        InsertC();//执行添加控件方法
    }    protected void Btn_Seeinfo_Click(object sender, EventArgs e)
    {
        Response.Redirect("Default.aspx");
    }    private void SFUPC()//该方法用于保存当前页面上传文件控件集到缓存中
    {
        ArrayList AL = new ArrayList();//创建动态增加数组
        foreach (Control C in F.Controls)
        {
            if (C.GetType().ToString() == "System.Web.UI.HtmlControls.HtmlTableRow")
            {
                HtmlTableCell HTC = (HtmlTableCell)C.Controls[0];
                foreach (Control FUC in HTC.Controls)
                {
                    if (FUC.GetType().ToString() == "System.Web.UI.WebControls.FileUpload")
                    {
                        FileUpload FU = (FileUpload)FUC;
                        AL.Add(FU);
                    }
                }
            }
        }
        Session.Add("FilesControls", AL);
    }
    private void InsertC()//该方法用于添加一个上传文件的控件
    {
        ArrayList AL = new ArrayList();
        this.F.Rows.Clear();
        GetInfo();
        HtmlTableRow HTR = new HtmlTableRow();
        HtmlTableCell HTC = new HtmlTableCell();
        HTC.Controls.Add(new FileUpload());
        HTR.Controls.Add(HTC);
        F.Rows.Add(HTR);
        SFUPC();
    }
    private void GetInfo()//该方法用于读取缓存中存储的上传文件控件集
    {
        ArrayList AL = new ArrayList();
        if (Session["FilesControls"] != null)
        {
            AL = (System.Collections.ArrayList)Session["FilesControls"];
            for (int i = 0; i < AL.Count; i++)
            {
                HtmlTableRow HTR = new HtmlTableRow();
                HtmlTableCell HTC = new HtmlTableCell();
                HTC.Controls.Add((System.Web.UI.WebControls.FileUpload)AL[i]);
                HTR.Controls.Add(HTC);
                F.Rows.Add(HTR);
            }
        }
    }
    private void UpFile()//该方法用于执行文件上传操作
    {
        string FilePath = Server.MapPath("./") + "Images";        HttpFileCollection HFC = Request.Files;
        for (int i = 0; i < HFC.Count; i++)
        {
            HttpPostedFile UserHPF = HFC[i];
            string FileExtend = UserHPF.FileName.Substring(UserHPF.FileName.LastIndexOf(".") + 1);
            string Filename = UserHPF.FileName.Substring(UserHPF.FileName.LastIndexOf("\\") + 1);
            try
            {
                if (UserHPF.ContentLength > 0)
                {                    if (FileExtend == "jpg" || FileExtend == "bmp" || FileExtend == "gif" || FileExtend=="png")
                    {
                        if (UserHPF.ContentLength > (800* 600))
                        {
                            Response.Write("<script language=javascript>alert('你选择的图片太大！');location='Default2.aspx'</script>");
                        }
                        UserHPF.SaveAs(FilePath + "\\" + System.IO.Path.GetFileName(UserHPF.FileName));
                        OleDbConnection myCon = DB.Creatconnection();
                        myCon.Open();
                        string comStr = "insert into Imageinfo(ImageFileName,ImageFilePath,ImageDatetime) values('" + Filename + "','"
                            + FilePath + "','" + DateTime.Now.ToShortDateString()+ "')";
                        OleDbCommand myCom = new OleDbCommand(comStr, myCon);
                        myCom.ExecuteNonQuery();
                        myCon.Close();
                        Response.Write("<script language=javascript>alert('上传成功！');location='Default.aspx'</script>");
                    }
                    else
                    {
                        Response.Write("<script language=javascript>alert('你选择的图片格式不正确！');location='Default2.aspx'</script>");
                    }
                }
            }
            catch (Exception ex)
            {
                Response.Write("<script language=javascript>alert('+" + ex.Message + "');location='Default.aspx'</script>");
            }
        }
        if (Session["FilesControls"] != null)
        {
            Session.Remove("FilesControls");
        }
    }
}
应该对你有用。自己慢慢看吧

主要就是这个
private void InsertC()//该方法用于添加一个上传文件的控件

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UploadPicture.aspx.cs" Inherits="supply_UploadPicture" %><%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
    Namespace="System.Web.UI" TagPrefix="asp" %><!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 id="Head1" runat="server">
    <title>无标题页</title>

    <style type="text/css">
    .TableData   { BACKGROUND: #FFFFFF;COLOR:#000000;}
    .TableHeader { BACKGROUND: #D3E5FA; COLOR:#3F3F7E; FONT-WEIGHT: bold; FONT-SIZE: 11pt; background-image: url("/theme/1/headerbg.gif") }
    </style>

    <script type="text/javascript">
        function GetImage()
        {
            var file=document.getElementById("fileUpload").value;
           // alert(file);

            document.getElementById("images").innerHTML=document.getElementById("images").innerHTML+"<div><img src='"+file+"' width='100' height='100'/><br/>删除</div>";

            document.getElementById("txtImage").value=document.getElementById("txtImage").value+";"+file;
        }

    </script>
</head>
<body style="font-size: 11pt;">
    <form id="form1" runat="server">
    <b>发布供求信息>>图片管理</b> <div>
         </div>
    <hr style="border-right: #3366ff thick groove; border-top: #3366ff thick groove;
                border-left: #3366ff thick groove; border-bottom: #3366ff thick groove" />
                   <div class="mframe" >
                        </div>
                       <div>
        <table align="center" bgcolor="#000000" border="0" cellpadding="3" cellspacing="1"
              style="font-size:9pt; border:4px solid #3366FF;"
            width="80%">
            <tr class="TableHeader">
                <td class="tm" style="width: 776px; height: 24px;">
                    <span class="tt">*您的供求信息已保存，请继续添加图片</span></td>
            </tr>
            <tr class="TableData">

                <td align="center">

                <div style="margin-top:20px; margin-bottom:20px; border:1px solid; width:90%;" >
                              <p style=" margin-top:20px;"> 图片管理(上传图片)：           <asp:FileUpload ID="fileUpload"
                                      runat="server" Height="23px" Width="277px" /> <input id="btnUpload"
                                      type="button" value="上传" onclick="GetImage()"/></p>


                                 <hr style="width:95%; border:1px solid #cccccc;"/>
                                    <div  style="width:100%; height:120px;" id="images">
                                        <input id="txtImage" runat="server" style="z-index: 100; left: 258px; position: absolute;
                                            top: 14px" type="hidden" />
                                         </div>
                                    <hr style="width:95%; border:1px solid #cccccc;" />
                                    <p>
                                        <asp:Button ID="btnOK" runat="server" Text="确定" Width="55px" />    
                                         
                                        <asp:Button ID="btnBack" runat="server" Text="返回" Width="55px" /></p>
                    <p>
                         </p>
                             </div>
                   </td>
            </tr>
        </table>
        </div>

    </form>
</body>
</html>这是我的aspx页面的源码，后台还没有写代码

我也需要一个批量上传图片的源码。
保存二进制流文件到数据库对应Image类型，不是保存相对路径的。
有的话麻烦请发给我，给100分作为奖励。

用我的，多文件上传JS生成上传C# 版本UpLoad.aspx<%@ Page language="c#" Codebehind="UpLoad.aspx.cs" AutoEventWireup="false" Inherits="WebPortal.Upload" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
  <HEAD>
    <title>多文件上传</title>
    <script language="JavaScript">
    function addFile()
    {
     var str = '<INPUT type="file" size="50" NAME="File">'
     document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)
    }
    </script>
  </HEAD>
  <body>
    <form id="form1" method="post" runat="server" enctype="multipart/form-data">
      <div align="center">
        <h3>多文件上传</h3>
        <P id="MyFile"><INPUT type="file" size="50" NAME="File"></P>
        <P>
          <input type="button" value="增加(Add)" onclick="addFile()">
          <input onclick="this.form.reset()" type="button" value="重置(ReSet)">
          <asp:Button Runat="server" Text="开始上传" ID="UploadButton"></asp:Button>
        </P>
        <P>
        <asp:Label id="strStatus" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt"
          Width="500px" BorderStyle="None" BorderColor="White"></asp:Label>
        </P>
      </div>
    </form>
  </body>
</HTML>
UpLoad.aspx.csusing System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;namespace WebPortal
{
  /// <summary>
  /// UpLoad 的摘要说明。
  /// 实现多文件上传
  /// </summary>
  public class Upload : System.Web.UI.Page
  {
    protected System.Web.UI.WebControls.Button UploadButton;
    protected System.Web.UI.WebControls.Label strStatus;    private void Page_Load(object sender, System.EventArgs e)
    {
      /// 在此处放置用户代码以初始化页面
      if (this.IsPostBack) this.SaveImages();
    }    private Boolean SaveImages()
    {
      ///'遍历File表单元素
      HttpFileCollection files  = HttpContext.Current.Request.Files;      /// '状态信息
      System.Text.StringBuilder strMsg = new System.Text.StringBuilder();
      strMsg.Append("上传的文件分别是：<hr color=red>");
      try
      {
        for(int iFile = 0; iFile < files.Count; iFile++)
        {
          ///'检查文件扩展名字
          HttpPostedFile postedFile = files[iFile];
          string fileName, fileExtension;
          fileName = System.IO.Path.GetFileName(postedFile.FileName);
          if (fileName != "")
          {
            fileExtension = System.IO.Path.GetExtension(fileName);
            strMsg.Append("上传的文件类型：" + postedFile.ContentType.ToString() + "<br>");
            strMsg.Append("客户端文件地址：" + postedFile.FileName + "<br>");
            strMsg.Append("上传文件的文件名：" + fileName + "<br>");
            strMsg.Append("上传文件的扩展名：" + fileExtension + "<br><hr>");
            ///'可根据扩展名字的不同保存到不同的文件夹
            ///注意：可能要修改你的文件夹的匿名写入权限。
            postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("images/") + fileName);
          }
        }
        strStatus.Text = strMsg.ToString();
        return true;
      }
      catch(System.Exception Ex)
      {
        strStatus.Text = Ex.Message;
        return false;
      }
    }
  #region Web 窗体设计器生成的代码
  override protected void OnInit(EventArgs e)
  {
  //
  // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
  //
  InitializeComponent();
  base.OnInit(e);
  }  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
    this.ID = "Upload";
    this.Load += new System.EventHandler(this.Page_Load);  }
  #endregion
  }
}

建议你用“swfupload" 很简单，也很方便，一次可以选多个文件，自带进度条，美观。

调试易

批量上传图片

解决方案 »