@{
    ViewBag.Title = "Excel数据导出";
    Layout = "~/Views/Shared/_Index_LayoutEdit.cshtml";
}
<div class="formContent">
    <div class="checkList">
        <ul id="checkboxList"></ul>
    </div>
</div>
<div class="mvctool bgb">
    <a id="btnSave" style="float: left;" class="l-btn l-btn-plain"><span class="l-btn-left"><span class="l-btn-text icon-save" style="padding-left: 20px;">确定</span></span></a>
    <a id="btnCheckAll" ischecked="checked" style="float: left;" class="l-btn l-btn-plain"><span class="l-btn-left"><span class="l-btn-text icon-ok" style="padding-left: 20px;">全选</span></span></a>
    @*<span id="spMessage" style="top:5px; position:relative;left:30px;"></span>*@
</div>
<div id="downLoadExcle" class="downLoad">
    <iframe id='ifExcel' width='0' height='0'></iframe>
</div>
<script type="text/javascript">

    $(function () {
        var columns = window.parent.getDataGridHeader();
        $.each(columns, function (i, ex) {
            $("#checkboxList").append("<li class='checkLi'><input  type='checkbox' id='ckb" + ex.field + "' title='"+ex.title+"' name='ckb" + ex.field + "' checked value='" + ex.field + "' /><label for='ckb" + ex.field + "'>" + ex.title + "</label></li>")
        });
        $("#btnCheckAll").click(function () {
            if ($(this).attr("ischecked") == "checked") {
                $(this).attr("ischecked", "noChecked");
                $("input[type='checkbox']").removeAttr("checked");
                $(".checkLi").removeClass("checkLi").addClass("uncheckLi");
            }
            else {
                $(this).attr("ischecked", "checked");
                $("input[type='checkbox']").attr("checked", "checked");
                $(".uncheckLi").removeClass("uncheckLi").addClass("checkLi");
            }

        });
        $("#checkboxList li").live("click", function () {
            if ($(this).find("input").attr("checked") == null)
                $(this).removeClass("checkLi").addClass("uncheckLi");
            else
                $(this).removeClass("uncheckLi").addClass("checkLi");
        });
        $("#btnSave").click(function () {
            var checkedFilds = "";//被选中的字段
            var checkedTitles = "";//被选中的字段中文名称
            $.each($("#checkboxList li input"), function (i, ex) {
                if ($(ex).attr("checked") == "checked") {
                    checkedFilds += "[" + $(ex).val() + "]";
                    checkedTitles += $(ex).attr("title") + ",";
                }
            });
            if (checkedTitles.length > 0)
                checkedTitles = checkedTitles.substr(0, checkedTitles.length - 1);
            //if (sys == "firefox")//火狐支持Loading效果
            //alert(checkedTitles.length+checkedTitles);
            //alert(checkedTitles.length);
            if (checkedTitles.length>180)
                $("#ifExcel").attr("src", "@Html.Raw(ViewBag.Query)&excelGuid=" + GetGuid()+"&checkedTitles=&checkedFilds=" + encodeURIComponent(checkedFilds));
            else
                $("#ifExcel").attr("src", "@Html.Raw(ViewBag.Query)&excelGuid=" + GetGuid() + "&checkedTitles=" + encodeURIComponent(checkedTitles) + "&checkedFilds=" + encodeURIComponent(checkedFilds));
            $("#btnSave").addClass("l-btn-disabled").unbind();
            $("#spMessage").html("正在导出.......");
            var funct = window.setInterval(function () {
                $("#spMessage").html("");
                clearInterval(funct);
            }, 1000*5);


        });
    });
    var i = 0;
</script>