form表单提交，通过jquery简单实现

form.html

<form class='form-horizontal group-border-dashed' action="{{info['subUrl']}}" method='POST' id='broadcastForm' onSubmit='return false'>

             <div class="form-group">
                <label class="col-sm-3 control-label">人数</label>
                <small>满多少人送红包</small>
                <div class="col-sm-6">
                  <input style="width:100%;float:left;"  class="form-control" type="text" name="peoplenum" id="peoplenum" >
                  <label class="hitLabel" for="peoplenum">*</label>
                </div>
              </div>

              <div class="form-group">
                <label class="col-sm-3 control-label">红包总金额</label>
                <small>满多少人送多少金额的红包</small>
                <div class="col-sm-6">
                  <input style="width:100%;float:left;"class="form-control" type="text" name="hongbaonum" id="hongbaonum" >
                  <label class="hitLabel" for="hongbaonum">*</label>
                </div>
              </div>

              <div class="modal-footer" style="text-align:center">
                   <button type="submit" class="btn btn-primary">保存更改</button>
              </div>
            </form>
      </div>
</div>
<script>
// 点击按钮，提交表单
$('#broadcastForm').submit(function(){
          formAjax($(this).attr("action"), $(this).attr("method"), $(this).serialize(),'正在保存...');
    })
</script>