实现多附近上传

来源：互联网发布：数据的稀疏性编辑：程序博客网时间：2024/04/28 09:21

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>

using System; using System.Collections; using System.ComponentModel; using System.Datanamespace TestCenter{ /**//// <summary> /// 实现多文件上传 /// </summary> public class FileUp: 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) { 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; } }