如何实现无刷新上传多个图片
如何实现无刷新上传多个图片 --------------------编程问答-------------------- asp.net上传控件在UpdatePanel下使用多个会有问题可以通过iframe或者自己写ajax实现
--------------------编程问答-------------------- 通过iframe或者ajax实现 --------------------编程问答-------------------- http://zzk.cnblogs.com/s?w=%E6%97%A0%E5%88%B7%E6%96%B0%E4%B8%8A%E4%BC%A0&t= --------------------编程问答-------------------- 我们QQ群里面有人实现了,
欢迎加入我们QQ群,大家一块学习
QQ群号:2976157 --------------------编程问答-------------------- 通过iframe或者ajax实现
搜一下很多的 --------------------编程问答-------------------- iframe。。。。一直用这个。。。
虽然假的，但能做的看不出来是假的，就当真的了吧~ --------------------编程问答-------------------- 对于不懂ajax的人来说iframe是最好的选择，，哪果懂ajax的话，，，应该不会在这里问了 --------------------编程问答-------------------- http://www.cnblogs.com/huacn/archive/2007/07/16/ajax_upload_javascript_js_wushuaxing_jquery.html --------------------编程问答-------------------- http://www.cnblogs.com/armywin/articles/1279971.html
http://www.cnblogs.com/cloudgamer/archive/2008/12/31/1314766.html
http://www.cnblogs.com/jembai/articles/1281266.html --------------------编程问答-------------------- 创建iframe,伪装来实现.
要代码留个邮箱 --------------------编程问答-------------------- 呵呵，路过，学习一下。 --------------------编程问答-------------------- Up --------------------编程问答--------------------
private Boolean SaveImages()--------------------编程问答-------------------- using System.Web.UI.HtmlControls;
{
HttpFileCollection files = HttpContext.Current.Request.Files;
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++)
{
HttpPostedFile postedFile = files[iFile];
string fileName, fileExtension, file_id;
int year = System.DateTime.Now.Year;
int month = System.DateTime.Now.Month;
int day = System.DateTime.Now.Day;
int hour = System.DateTime.Now.Hour;
int minute = System.DateTime.Now.Minute;
int second = System.DateTime.Now.Second;
int millisecond = System.DateTime.Now.Millisecond;
//string my_file_id = year.ToString() + month.ToString() + day.ToString() + hour.ToString() + minute.ToString() + second.ToString() + millisecond.ToString() + iFile.ToString();
fileName = System.IO.Path.GetFileName(postedFile.FileName);
fileExtension = System.IO.Path.GetExtension(fileName);
file_id = 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：" + file_id + "<br>");
strMsg.Append("上传文件的扩展名：" + fileExtension + "<br><hr>");
postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("upload/") + file_id);
}
}
strStatus.Text = strMsg.ToString();
return true;
}
catch (System.Exception Ex)
{
strStatus.Text = Ex.Message;
return false;
}
}
protected void UploadButton_Click(object sender, EventArgs e)
{
Boolean bl = SaveImages();
if (bl)
{
adminDataBase db = new adminDataBase();
int l = db.Log(Session["adminName"].ToString(), "上传文件");
Response.Write("<script>alert('上传成功！')</script>");
}
else
{
Response.Write("<script>alert('上传失败！')</script>");
}
}
这个引用。。
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="uploadIT.aspx.cs" Inherits="_uploadIT" %>
<!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>
<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" OnClick="UploadButton_Click"></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>
补充：.NET技术 , ASP.NET
