jQuery弹出页面框并实现弹出框的文件上传功能代码详解

本文介绍jQuery弹出页面框并实现弹出框的文件上传功能的代码实例，具有一定的参考价值，感兴趣的朋友们可以参考借鉴。

点击新增，弹出如图的弹出框，点击取消不保存页面信息，点击确定保存页面信息。 在前台页面添加一个标签，任何都可以

<p class="btn btn-default" id="padd">新增</p>

写弹出框页面

<p 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;"></p>
  <p 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>
   <p id="popup_content" class="confirm" style="margin-top: 0px;">
    <p id="popup_message">
     <p style="width: 500px;">
      <hr style="margin: 10px 0;" />
      <p id="pswitchinfo" style="margin-bottom: 8px;"></p>
      <p style="height: 300px; width: 450px;" id="piframe">

       <p id="pContract">
        <p 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: &#39;txtCStartTime&#39; })">-
         <input type="text" value="" id="txtCEndTime" onfocus="WdatePicker({ el: &#39;txtCEndTime&#39; })" style="width: 150px"><br />
         合同附件：
         <asp:FileUpload ID="fileID" runat="server" />
        </p>
       </p>
       <input type="button" id="btnAdd" value=&#39;新增&#39; />
       <input type="hidden" id="hidValue" runat="server" />
       <p id="UDFBlock">
        <p id="udf_template">
         &nbsp &nbsp &nbsp 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>
       </p>
      </p>
     </p>
    </p>
    <p 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" />
    </p>
   </p>
  </p>

通过jQuery控制显示或隐藏

 $(function () {
 //显示p
   $("#padd").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: "{&#39;txt&#39;:&#39;" + txt + "&#39;,&#39;contractName&#39;:&#39;" + contractName + "&#39;,&#39;hid&#39;:&#39;" + hid + "&#39;,&#39;startTime&#39;:&#39;" + startTime + "&#39;,&#39;endTime&#39;:&#39;" + endTime + "&#39;,&#39;pic&#39;:&#39;" + pic + "&#39;}",
     data:data,
     contentType: false,
     processData: false,
     success: function (data) {
      alert("操作成功");
      location.href = location.href;
     },
     error: function (err) {
      alert(err);
     }
    });
   });
  });

这个是点击新增添加新的代理的代码

 <script type="text/javascript">
  $(function () {
   $("#btnAdd").click(HandleUDFProperty);
   function HandleUDFProperty() {
    if ($("[tag=&#39;txtNum01&#39;]").size() < 7) {
     $("#udf_template").clone().find(":text").val("").end().find("a").click(function () { $(this).parents(&#39;p&#39;).remove(); }).end().appendTo($("#UDFBlock"));
    }
   }

  });
 </script>

这个是一般处理程序

 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(&#39;;&#39;);
     foreach (var item in strrList)
     {
      string[] templist = item.Split(&#39;,&#39;);
      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=&#39;&#39; and Name=&#39;&#39;
   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;
  }

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