<div class="col-md-12 col-xs-12">
                <style type="text/css">
                   .syhhma{
                      padding-top: 15px;
                      padding-bottom: 20px;
                      padding-left: 3%;
                   }
                   .jmbag {
                        color: #2c73be;
                        text-decoration: none;
                    }
                    .jmbag span {
                        padding: 2px 6px;
                        margin-right: 6px;
                        background: #2c73be;
                        color: #fff;
                    }
                    .btn-default2c73be{
                      background: #2c73be;
                      color: #fff;
                      width: 70px;
                    }
                    .syhhh3{
                      font-size: 14px;
                      color: #666666;
                      font-weight: normal;
                    }
                    .syhhsele{
                      color: #666;
                      font-size: 14px;
                          width: 76% !important;
                    }
                    .syhhh4{
                      color: #2c73be;
                      font-size: 14px;
                      font-weight: normal;
                      margin-bottom: 0;
                      cursor: pointer;
                    }
                    .addhcd{
                      display: none;
                    }
                    .checkout_other .syhhma{
                      display: none;
                    }
                    .checkout_other2 .syhhma{
                      display: block;
                    }
                </style>
                <div class="checkout_other">
                     <a href="javascript:void(0);" class="jmbag" onclick="showCheckoutOther(this);">
                        <span>+</span>使用优惠券
                     </a>
                     <div class="form-inline syhhma">
                        <div class="form-group" style="width:380px;">
                          <label class="syhhh3">使用优惠券：</label>
                          <select class="form-control syhhsele">
                            <option>请选择</option>
                            <option>请选择1</option>
                          </select>
                        </div>
                        <div class="form-group" style="margin-right:3px;font-size:14px;">或</div>
                        <span class="addhcd">
                          <div class="form-group" style="margin-right:5px;">
                            <input type="text" class="form-control" placeholder="输入优惠券">
                          </div>
                          <button type="submit" class="btn btn-default2c73be">使用</button>
                        </span>
                        <span class="addzjsrd">
                          <div class="form-group" style="margin-right:5px;">
                            <label class="syhhh4">直接输入优惠券号</label>
                          </div>                    
                        </span>                  
                      </div>
                </div>
                
                <script type="text/javascript">                  
 
                      function showCheckoutOther(obj)
                      {
                        var otherParent = obj.parentNode;
                        otherParent.className = (otherParent.className==‘checkout_other‘) ? ‘checkout_other2‘ : ‘checkout_other‘;
                        var spanzi = obj.getElementsByTagName(‘span‘)[0];
                        spanzi.innerHTML= spanzi.innerHTML == ‘+‘ ? ‘-‘ : ‘+‘;
                      }

                      $(function(){
                         $(".addzjsrd").click(function(){
                            $(this).hide();
                            $(".addhcd").show();
                         });
                      })  

                </script>


            </div>

使用优惠券效果