多个全选，发送到后台，与后台操作

1.多个全选，发往后台
JS代码

$('.bAll').change(function(){
           $(this).parent().parent().parent().parent().parent().parent().find(':checkbox[b]').prop('checked',$(this).is(':checked')?true:false);
        });
$('.fAll').change(function(){
           $(this).parent().parent().parent().parent().parent().parent().find(':checkbox[f]').prop('checked',$(this).is(':checked')?true:false);
        });
$(":checkbox").change(tongJi);
    function tongJi() {
        var feeCollect="";
        var feeSvc="";
        $(":checkbox:checked[b]").each(function(e){
            feeCollect+=($(this).attr("flag")+",");
            
        });
        $(":checkbox:checked[f]").each(function(e){
            feeSvc+=($(this).attr("flag")+",");
            
        });
        feeCollect = feeCollect.substring(0, feeCollect.lastIndexOf(','));
        feeSvc = feeSvc.substring(0, feeSvc.lastIndexOf(','));
        $("#f").val(feeSvc);
        $("#b").val(feeCollect);
    }

 2.HTML代码

 <div class="box box-solid">
     <div class="box-header with-border" >
          <h3 class="box-title">
             供应商信息
         </h3>
         <div class="box-tools pull-right"></div>
     </div>
    <c:forEach items="${srModel.list}" var="item" varStatus="s">
     <div class="box-body">
       <div class="form-group ">
        <div class="box-header with-border" >
          <h4 class="box-title">
            
                ${item.bidPackage.packageName }${item.bidPackage.packageCode }
            
         </h4>
         <div class="box-tools pull-right"></div>
             </div>
            
            <div>
            <table  class="table table-hover table-striped"
                    border="0" cellspacing="0" cellpadding="0" role="grid" rules="cols">
            <thead>
            <tr>
            <th>
            供应商名称
            </th>
            <th>
            标书费<input type="checkbox" class="bAll">
            
            </th>
            <th>
            保证金<input type="checkbox" class="fAll">
            </th>
            </tr>
            </thead>
                <c:forEach items="${item.list }" var="com"  varStatus="i">
                <tr>
                <td>${com.company.companyName }</td>
                <td><input class="valid"  type="checkbox" b flag="${com.id }" <c:if test="${com.feeCollect=='1' }" > checked </c:if> ></td>
                <td>
                <input class="valid" type="checkbox" f flag="${com.id }" <c:if test="${com.feeSvc=='1' }" > checked </c:if> >
                </td>
                </tr>
                </c:forEach>
            </table>
            </div>
        </div>
    </div>
    </c:forEach>
</div>

<input type="hidden" id="f" name="v(baoZhengJin)"><!--保证金 -->
<input type="hidden" id="b" name="v(biaoShu)"><!-- 标书费 -->