根据class 属性判断所有的文本框必填

<body>
    <!-- 遮罩层 -->
    <div id="hidediv"
        style=" 100%;height: 100%;background-color: #808080;z-index: 99999;display: none;opacity:0.5;position: absolute;"></div>
    <div id="main_login">
        <s:include value="../../top.jsp">
            <s:param name="menuTitle">兼职人员工资结算方式-编辑</s:param>
        </s:include>
        <div class="content_login">
            <div class="line_bottom padding_style1">
                <a href="javascript:history.back(-1)"><i class="icon-backward"></i>
                    返回</a>
            </div>
            <s:form id="form" action="%{#request['struts.actionMapping'].name}"
                theme="bootstrap" cssClass="form-horizontal m_top col-md-8">
                <s:hidden name="id"></s:hidden>
                <input type="hidden" id="ceoId" name="ceoId" value="${ceo }"/>
                <input type="hidden" id="riderId" name="riderId" value="${rider }">
                <input type="hidden" id="type" name="type" value="${ceoCommissionType }">
            <!-- 工资结算方式(骑手/楼长) -->
            <c:if test="${rider eq 1 }">
            <div class="control-group form-group">
                  <label for="工资结算方式" class="col-md-2 control-label">工资结算方式(骑手/楼长)</label>
                  <div class="col-md-9 checkbox checkbox-inline">
                         <label class="radio-inline"><input type="radio" name="commissionType" <s:if test="commissionType == 1">checked="checked"</s:if> value="1" onclick="riderChoose('1')"/>配送费分成</label>
                         <label class="radio-inline"><input type="radio" name="commissionType" <s:if test="commissionType == 2">checked="checked"</s:if> value="2" onclick="riderChoose('2')"/>营业额百分比分成</label>
                         <label class="radio-inline"><input type="radio" name="commissionType" <s:if test="commissionType == 3">checked="checked"</s:if> value="3" onclick="riderChoose('3')"/>配送费+营业额百分比分成</label>
                  </div>
              </div>
              
            <div class="control-group form-group" id="distributionId" style="display: none;">
                    <label class="col-md-2 control-label">配送费分成(单位:%)</label>
                    <div class="col-md-9">
                        <input type="text" name="distributionPercent" value="${distributionPercent}" class="form-control" style=" 100px"/>
                        <span class="help-block"><span class="label"></span></span>
                        <div class="controls"></div>
                    </div>
            </div>
            <div class="control-group form-group" id="stallsuctionId" style="display:none;">
                    <label class="col-md-2 control-label">营业额百分比分成(单位:%)</label>
                    <div class="col-md-9">
                        <c:choose>
                              <c:when test="${!empty riderList }">
                                <c:forEach items="${riderList }" var="rider" begin="0" varStatus="status">
                                  <c:set value="${status.count-1 }" var="num"></c:set>
                                  <div class="stall_money_rider_percent">
                                   <input type="text" id="riderSettlementList[${num}].percent" name="riderSettlementList[${num}].percent" value="${rider.percent}" class="form-control stall_percent" style=" 100px"/>${rider.stallName }
                                   <input type="hidden" id="riderSettlementList[${num}].stallId" name="riderSettlementList[${num}].stallId" value="${rider.stallId }">
                                   </div>
                                 </c:forEach>
                              </c:when>
                              <c:otherwise>
                                <c:forEach items="${stallList }" var="stall" begin="0" varStatus="status">
                                <c:set value="${status.count-1 }" var="num"></c:set>
                                  <div class="stall_money_rider_percent">
                                    <input type="text" id="riderSettlementList[${num}].percent" name="riderSettlementList[${num}].percent" value="" class="form-control stall_percent" style=" 100px"/>${stall.name }
                                    <input type="hidden" id="riderSettlementList[${num}].stallId" name="riderSettlementList[${num}].stallId" value="${stall.id }">
                                  </div>
                                </c:forEach>
                              </c:otherwise>
                        </c:choose>
                    </div>
            </div>
            </c:if>
            
            <!-- 工资结算方式(校园CEO) ceo抽佣方式:1:档口营业额分成,2:档口订单分成-->
            <c:if test="${ceo eq 2 }">
            <div class="control-group form-group">
                  <label for="工资结算方式" class="col-md-2 control-label">工资结算方式(校园CEO)</label>
                  <div class="col-md-9 checkbox checkbox-inline">
                         <label class="radio-inline"><input type="radio" name="ceoCommissionType" <s:if test="ceoCommissionType == 1">checked="checked"</s:if> value="1" onclick="ceoChoose('1')"/>营业额百分比分成</label>
                         <label class="radio-inline"><input type="radio" name="ceoCommissionType" <s:if test="ceoCommissionType == 2">checked="checked"</s:if> value="2" onclick="ceoChoose('2')"/>营业额订单固定分成</label>
                  </div>
              </div>
              <div class="control-group form-group" id="dividedIntoId" style="display: none;">
                    <label class="col-md-2 control-label">营业额订单固定分成(单位:元)</label>
                    <div class="col-md-9">
                        <c:choose>
                              <c:when test="${!empty ceoList }">
                                <c:forEach items="${ceoList }" var="ceo" begin="0" varStatus="status">
                                 <c:set value="${status.count-1 }" var="num"></c:set>
                                  <div class="stall_money_ceo_money">
                                   <input type="text" id="ceoOrderSettlementList[${num}].money" name="ceoOrderSettlementList[${num}].money" value="${ceo.money}" class="form-control stall_money" style=" 100px"/>${ceo.stallName }
                                   <input type="hidden" id="ceoOrderSettlementList[${num}].stallId" name="ceoOrderSettlementList[${num}].stallId" value="${ceo.stallId }">
                                   </div>
                                 </c:forEach>
                              </c:when>
                              <c:otherwise>
                                <c:forEach items="${stallList }" var="stall" begin="0" varStatus="status">
                                  <c:set value="${status.count-1 }" var="num"></c:set>
                                  <div class="stall_money_ceo_money">
                                    <input type="text" id="ceoOrderSettlementList[${num}].money" name="ceoOrderSettlementList[${num}].money" value="" class="form-control stall_money" style=" 100px"/>${stall.name }
                                    <input type="hidden" id="ceoOrderSettlementList[${num}].stallId"  name="ceoOrderSettlementList[${num}].stallId" value="${stall.id }">
                                  </div>
                                </c:forEach>
                              </c:otherwise>
                        </c:choose>
                    </div>
            </div>
            <div class="control-group form-group" id="turnoverId" style="display: none;">
                    <label class="col-md-2 control-label">营业额百分比分成(单位:%)</label>
                    <div class="col-md-9">
                        <c:choose>
                              <c:when test="${!empty ceoList }">
                                <c:forEach items="${ceoList }" var="ceo" begin="0" varStatus="status">
                                  <c:set value="${status.count-1 }" var="num"></c:set>
                                  <div class="stall_money_ceo_percent">
                                   <input type="text" id="ceoSettlementList[${num}].percent" name="ceoSettlementList[${num}].percent" value="${ceo.percent}" class="form-control stall_percent" style=" 100px"/>${ceo.stallName }
                                   <input type="hidden" id="ceoSettlementList[${num}].stallId" name="ceoSettlementList[${num}].stallId" value="${ceo.stallId }"/>
                                   </div>
                                 </c:forEach>
                              </c:when>
                              <c:otherwise>
                                <c:forEach items="${stallList }" var="stall" begin="0" varStatus="status">
                                 <c:set value="${status.count-1 }" var="num"></c:set>
                                  <div class="stall_money_ceo_percent">
                                    <input type="text" id="ceoSettlementList[${num}].percent" name="ceoSettlementList[${num}].percent" value="" class="form-control stall_percent" style=" 100px"/>${stall.name }
                                    <input type="hidden" id="ceoSettlementList[${num}].stallId" name="ceoSettlementList[${num}].stallId" value="${stall.id }"/>
                                  </div>
                                </c:forEach>
                              </c:otherwise>
                        </c:choose>
                    </div>
             </div>
             </c:if>
             
                <div class="col-md-offset-2">
                    <a id="subUpdate" class="btn btn-default" style="margin-left: 80px;">保存</a>
                  </div>
            </s:form>
        </div>
</body>

js

        var type = $('input[name="type"]').val();
        //骑手楼长营业额百分比分成
        var flag = false;
        $(".stall_money_rider_percent").each(function(){
            var value = $(this).find(".stall_percent").val();
            if(value==null || value==""){
                flag=true;
                return false;
            }
        });
        if(flag){
            alert('骑手楼长营业额百分比分成必填');
            return;
        }
        //ceo营业额百分比分成
        if(type==1){
            $(".stall_money_ceo_percent").each(function(){
                var value = $(this).find(".stall_percent").val();
                if(value==null || value==""){
                    flag=true;
                    return false;
                }
            })
            if(flag){
                alert('ceo营业额百分比分成必填')
                return;
            }
        }
        //ceo营业额订单固定分成必填
        if(type==2){
            $(".stall_money_ceo_money").each(function(){
                var value = $(this).find(".stall_money").val();
                if(value==null || value==""){
                    flag = true;
                    return false;
                }
            });
            if(flag){
                alert('ceo营业额订单固定分成必填');
                return;
            }
        }
原文地址:https://www.cnblogs.com/SHMILYHP/p/7453732.html