[asp.net]jquery ajax上传文件

来源：互联网发布：js中prototype的作用编辑：程序博客网时间：2024/05/22 06:48
<script type="text/javascript">      function get() {        var fileUpload = $("#fupload").get(0);        var files = fileUpload.files;        var data = new FormData();        for (var i = 0; i < files.length; i++) {            data.append(files[i].name, files[i]);        }        $.ajax({            url: "../Ajax/FileUploadHandler.ashx",            type: "POST",            data: data,            contentType: false,            processData: false,            success: function (result) { alert(result); },            error: function (err) {                alert(err.statusText)            }        });         }</script> <a href="#" onclick="get()"><img src="../images/tj.png" border="0" ></a> <asp:LinkButton ID="btnUploadww" runat="server" Width="69px" CausesValidation="False" ><img src="../images/tj.png" border="0" ></asp:LinkButton><input id="fupload" runat="server" name="imgfile" type="file" />public partial class UploadFile : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {            btnUploadww.Attributes.Add("onclick", "get()");        }    } /// <summary>    /// FileUploadHandler 的摘要说明    /// </summary>    public class FileUploadHandler : IHttpHandler    {        public void ProcessRequest(HttpContext context)        {            if (context.Request.Files.Count > 0)            {                HttpFileCollection files = context.Request.Files;                for (int i = 0; i < files.Count; i++)                {                    HttpPostedFile file = files[i];                    string fname = context.Server.MapPath("~/uploadfiles/" + file.FileName);                    file.SaveAs(fname);                }                context.Response.ContentType = "text/plain";                context.Response.Write("File Uploaded Successfully!");            }          }        public bool IsReusable        {            get            {                return false;            }        }    }
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