|
马上注册,结交更多好友,享用更多功能^_^
您需要 登录 才可以下载或查看,没有账号?立即注册
x
上课了分享C# asp.net实现文件上传代码:
- 前端代码:
-
- 使用visual studio开发实现文件上传
-
- 前端页面代码:
-
- <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="scientist.WebForm1" %>
-
- <!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">
- <script type="text/javascript">
- var baseText = null;
- function upOpen() {
- var xzOpen = document.getElementById("xzOpen");
- xzOpen.style.top = "200px"; //窗口距离浏览器内容区最上方的偏移值
- xzOpen.style.left = "500px"; //窗口距离浏览器内容区最左边的偏移值
- xzOpen.style.width = "500px"; //窗口的宽度
- xzOpen.style.height = "300px"; //窗口的高度
- if (baseText == null) baseText = xzOpen.innerHTML;
- xzOpen.innerHTML = baseText + "<div id="statusbar"><button onclick="hidePopup(); ">Close window<button></div>"
- var sbar = document.getElementById("statusbar");
- sbar.style.marginTop = (parseInt(100)-20) + "px";
- xzOpen.style.visibility = "visible";
- document.getElementById("xzOpen").click();
- }
- </script>
- <title>上传文档</title>
- <style type="text/css">
- *{ margin:0; padding:0;}
- .exDiv{}
- .boxmain{float:left;margin-right:0px;width:100%;}
- .xzOpen{position: absolute; visibility: hidden; overflow: hidden; border:2px solid #CCC; background-color: #FFCBB3; border:2px solid #333; padding:5px; }
- .F1{float:left;margin-top:5px;}
- .B1{float:right;margin-top:80px;}
- .left{position:absolute;left:0; background:#BBFFBB;height:300px;width:20%}
- .main{margin-right:200px;background:#79FF79; height:300px;;width:100%;margin-left:auto;}
- .up{margin-right:1px;background:#984B4B; height:30px;width:64px;
- margin-left:0px;
- }
- </style>
- </head>
- <body>
- <form id="form1" runat="server">
- <div class="exDiv" style="width:100%; height:80px; margin:0 auto; border:solid 1px #999999;background-color:#95CACA">
- <font >上传文件</font>
- </div>
- <div class="xzOpen" id="xzOpen" >
- <div class="F1" id="F1">
- <asp:FileUpload ID="FileUpload1" runat="server" Width="224px" />
- </div>
- <div class="B1" id="B1">
- <asp:Button ID="Button1" runat="server" Text="提交" onclick="Button1_Click" style="margin:0 auto" Width="107px" />
- </div>
- </div>
- </form>
- <div class="boxmain">
- <div class="main">main</div>
- </div>
- <div class="left"><input type="file" id="xzFile" style="display:none"/>
- <button type="button" class="up" onclick="upOpen()">选择文件</button>
- </div>
- </body>
- </html>
-
-
- 后台C#部分:
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Web;
- using System.Web.UI;
- using System.Web.UI.WebControls;
-
- namespace scientist
- {
- public partial class WebForm1 : System.Web.UI.Page
- {
-
- protected void Page_Load(object sender, EventArgs e)
- {
-
- }
- protected void Button1_Click(object sender, EventArgs e)
- {
- HttpPostedFile postedFile = this.FileUpload1.PostedFile; //获取到要上传的文件
- String fileName = "";//文件名
- String filePath = "filesNameTest/";//文件保存路径
- fileName = System.IO.Path.GetFileName(postedFile.FileName);//获取文件名称
- if (System.IO.Directory.Exists(Server.MapPath(filePath)) == false)//判断文件夹是否存在
- {
- System.IO.Directory.CreateDirectory(Server.MapPath(filePath));//如果不存在就创建file文件夹
- }
- if (System.IO.File.Exists(Server.MapPath(filePath+fileName)) == true)//判断同名文件是否存在
- {
- Page.ClientScript.RegisterStartupScript(this.GetType(), "message", "alert('同名文件已存在')", true);//弹窗提示文件已存在
- }
- else//文件不存在则保存文件
- {
- if (fileName != "")//判断前端是否有文件传过来
- {
- String fileSuffix = System.IO.Path.GetExtension(fileName); //获取上传文件的扩展名
- postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath(filePath) + fileName);//保存文件至根目录下的files文件夹里
- Page.ClientScript.RegisterStartupScript(this.GetType(), "message", "alert('已经保存成功')", true);//弹窗提示保存成功
- }
- else
- {
- Page.ClientScript.RegisterStartupScript(this.GetType(), "message", "alert('请选择文件')", true);//弹窗提示未选择文件
- }
- }
- }
- }
- }
复制代码 |
评分
-
查看全部评分
|