jQuery页面弹出框实现文件上传

<div class="btn btn-default" id="divadd">新增</div> 

<div id="popup_overlay" style="display: none; position: fixed; top: 0px; left: 0px; right: 0px; bottom: 0px; background-color: #8FB0D1; -moz-opacity: 0.8; opacity: 0.8; z-index: 1001; filter: alpha(opacity=40); background: rgb(0, 0, 0); opacity: 0.5;"></div>  <div id="popup_container" style="display: none; position: fixed; z-index: 99999; padding: 0px; margin: 0px; min-width: 600px; max-width: 600px; top: 50px; left: 454.5px;">   <br />   <h1 id="popup_title" style="font-size: 20px;">信息</h1>   <div id="popup_content" class="confirm" style="margin-top: 0px;">    <div id="popup_message">     <div style="width: 500px;">      <hr style="margin: 10px 0;" />      <div id="divswitchinfo" style="margin-bottom: 8px;"></div>      <div style="height: 300px; width: 450px;" id="diviframe">       <div id="divContract">        <div id="pContract">         合同名称：<font color="red">*</font><input type="text" value="" id="txtContractName" style="width: 360px"><br />         起始时间：<font color="red">*</font><input type="text" value="" id="txtCStartTime" style="width: 150px" onfocus="WdatePicker({ el: 'txtCStartTime' })">-         <input type="text" value="" id="txtCEndTime" onfocus="WdatePicker({ el: 'txtCEndTime' })" style="width: 150px"><br />         合同附件：         <asp:FileUpload ID="fileID" runat="server" />        </div>       </div>       <input type="button" id="btnAdd" value='新增' />       <input type="hidden" id="hidValue" runat="server" />       <div id="UDFBlock">        <p id="udf_template">               人数<font color="red">*</font>：    <input type="text" value="" tag="txtNum01" style="width: 90px">＜X≤    <input type="text" value="" tag="txtNum02" style="width: 84px">         比例：<input type="text" value="" tag="txtPercent" style="width: 86px">%    <a class="UDF_Delete" style="cursor: pointer">删除</a>        </p>       </div>      </div>     </div>    </div>    <div id="popup_panel" style="clear: both">     <input type="button" class="btn btn-default" value=" 确定 " id="popup_ok2" />     <input type="button" class="btn btn-default" value=" 取消 " id="popup_cancel2" />    </div>   </div>  </div>

 $(function () { //显示DIV   $("#divadd").click(function () {    var hid = $("#hidValue").val();    if (hid == "") {     alert("请先提交信息再新增");     return;    } else {     $("#popup_container").show();     $("#popup_overlay").show();    }   });   //弹窗取消按钮   $("#popup_cancel2").click(function () {    $("#popup_container").hide();    $("#popup_overlay").hide();   });   $("#popup_ok2").click(function () {    $("#popup_container").hide();    $("#popup_overlay").hide();    var keys = $("[tag='txtNum01']"),      values = $("[tag='txtNum02']"),      precent = $("[tag='txtPercent']"),      len = keys.length,     result = [],      txt = "";    for (var i = 0; i < len; i++) {     txt += keys.eq(i).val() + "," + values.eq(i).val() + "," + precent.eq(i).val() + ";";    }    var contractName = $("#txtContractName").val();    var hid = $("#hidValue").val();    var startTime = $("#txtCStartTime").val();    var endTime = $("#txtCEndTime").val();    // var pic = $("#HiddenField2").val();    var fileUpload = $("#fileID").get(0);    var files = fileUpload.files;    //IE8以及以上浏览器    var data = new FormData();    for (var i = 0; i < files.length; i++) {     data.append(files[i].name, files[i]);    }    data.append("txt", txt);    data.append("contractName", contractName);    data.append("hid", hid);    data.append("startTime", startTime);    data.append("endTime", endTime);    $.ajax({     //url: "AgentEditSP.aspx/GetData",     url: "../Handler/FileAll.ashx",     type: "Post",     //data: "{'txt':'" + txt + "','contractName':'" + contractName + "','hid':'" + hid + "','startTime':'" + startTime + "','endTime':'" + endTime + "','pic':'" + pic + "'}",     data:data,     contentType: false,     processData: false,     success: function (data) {      alert("操作成功");      location.href = location.href;     },     error: function (err) {      alert(err);     }    });   });  });

 <script type="text/javascript">  $(function () {   $("#btnAdd").click(HandleUDFProperty);   function HandleUDFProperty() {    if ($("[tag='txtNum01']").size() < 7) {     $("#udf_template").clone().find(":text").val("").end().find("a").click(function () { $(this).parents('p').remove(); }).end().appendTo($("#UDFBlock"));    }   }  }); </script>

 public void ProcessRequest(HttpContext context)  {   var txt = context.Request["txt"];   var contractName = context.Request["contractName"];   var hid = context.Request["hid"];   var startTime = context.Request["startTime"];   var endTime = context.Request["endTime"];   var pic = "";   if (context.Request.Files.Count>0)   {    var filenames = "";    HttpFileCollection files = context.Request.Files;    for (int i = 0; i < files.Count; i++)    {     HttpPostedFile file = files[i];     filenames =file.FileName;     pic = filenames;     string fname = context.Server.MapPath("~/Content/Exploitation/" + file.FileName);     file.SaveAs(fname);    }   }    // 向ContractDetailSP表插入数据    if (!string.IsNullOrEmpty(txt) && !string.IsNullOrEmpty(contractName) && !string.IsNullOrEmpty(startTime) && !string.IsNullOrEmpty(endTime))    {     if (IsExistAgentName(hid) == 0)//判断代理是否存在     {      Model.ContractDetailSP condSP = new Model.ContractDetailSP();      condSP.ZID = int.Parse(hid);      condSP.Name = GetAgentName(hid);      condSP.ParentId = -1;      var insertTableName = DB.Context.Insert<Model.ContractDetailSP>(condSP);     }     if (IsExistContractID(IsExistAgentName(hid), contractName) == 0)//判断合同是否存在     {      Model.ContractDetailSP condSP = new Model.ContractDetailSP();      condSP.Name = contractName;      condSP.StartTime = DateTime.Parse(startTime);      condSP.EndTime = DateTime.Parse(endTime);      condSP.ParentId = IsExistAgentName(hid);      condSP.ContractPic = pic;      var insertTableName = DB.Context.Insert<Model.ContractDetailSP>(condSP);     }     string[] strrList = txt.Split(';');     foreach (var item in strrList)     {      string[] templist = item.Split(',');      if (templist.Length > 1)      {       Model.ContractDetailSP condSP = new Model.ContractDetailSP();       condSP.Num1 = int.Parse(templist[0].ToString());       condSP.Num2 = int.Parse(templist[1].ToString());       condSP.PercentNum = decimal.Parse(templist[2].ToString());       condSP.ParentId = IsExistContractID(IsExistAgentName(hid), contractName);       var insertTableNum = DB.Context.Insert<Model.ContractDetailSP>(condSP);      }     }     context.Response.ContentType = "text/plain";     context.Response.Write("ok");    }    else    {     //return "请填写完必填项";     context.Response.Write("notall");    }  }  public bool IsReusable  {   get   {    return false;   }  }  private static int IsExistAgentName(string agendID)  {//select id from ContractDetailSP where AgentID=2123    int str = 0;   var isexist = DB.Context.From<Model.ContractDetailSP>()    .Select(a => a.Id)    .Where(a => a.ZID == int.Parse(agendID)).ToList();   if (isexist.Count < 1)   {    str = 0;   }   else   {    foreach (var item in isexist)    {     str = item.Id;    }   }   return str;  }  private static int IsExistContractID(int id, string contractName)  {//select id from ContractDetailSP where ParentId='' and Name=''   int str = 0;   var isexist = DB.Context.From<Model.ContractDetailSP>()    .Select(a => a.Id)    .Where(a => a.ParentId == id && a.Name == contractName).ToList();   if (isexist.Count < 1)   {    str = 0;   }   else   {    foreach (var item in isexist)    {     str = item.Id;    }   }   return str;  }  private static string GetAgentName(string hid)  {//select name,* from tblAgent   string str = string.Empty;   var agent = DB.Context.From<Model.tblAgent>().Select(a => a.name)    .Where(a => a.AgentID == int.Parse(hid)).ToList();   foreach (var item in agent)   {    str = item.name;   }   return str;  }