bootstrap简单form表单样式-form-horizontal

jsp代码：

<div id="content" style="background-color: white;">
                    <form class="form-horizontal" id="smartForm">
                        <input id="creator_id" name="creator_id" value="${sessionScope.user.id }" type="hidden">
                     <fieldset>
                        <legend>指标定义</legend>
                         <div class="form-group">
                           <label for="disabledSelect"  class="col-sm-2 control-label text-right">编号：</label>
                           <div class="col-sm-4">
                                <input type="text" placeholder="编号" id="number" name="number" class="form-control" >
                           </div>
                           <div class="col-sm-6 control-label text-left">
                                        <font color="red"><b>*</b></font>
                                    </div>
                        </div>
                        <div class="form-group">
                           <label for="disabledSelect"  class="col-sm-2 control-label text-right">指标名称：</label>
                           <div class="col-sm-4">
                                <input type="text" placeholder="指标名称" id="name" name="name" class="form-control" >
                           </div>
                           <div class="col-sm-6 control-label text-left">
                                        <font color="red"><b>*</b></font>
                                    </div>
                        </div>
                         <div class="form-group">
                           <label for="disabledSelect"  class="col-sm-2 control-label text-right">定义：</label>
                           <div class="col-sm-4">
                                <input type="text" placeholder="指标定义" id="define" name="define" class="form-control" >
                           </div>
                           <div class="col-sm-6 control-label text-left">
                                        <font color="red"><b>*</b></font>
                                    </div>
                        </div>
                        <div class="form-group">
                           <label for="disabledSelect"  class="col-sm-2 control-label text-right">算法：</label>
                           <div class="col-sm-8">
                                <textarea class="form-control" rows="3" id="diamond" name="diamond"></textarea>
                           </div>
                        </div>
                          <div class="col-sm-2 control-label text-left">
                                        <font color="red"><b> </b></font>
                                    </div>
                    </fieldset>

                        <div class="text-center">
                            <button type="button" class="btn btn-primary"  onclick="doSubmit()">提交</button>
                            <button type="button" class="btn btn-default" onclick="canclepage()">取消</button>

                        </div>

        </form>
    </div>