bootstrap通过加减按钮实现输入框组功能实例分享

<p class="input-group" id="centerIpGroup"> 
  <label class="input-group-addon" id="basic-addon5">中心机IP:</label>   
  <button class="btn btn-info" type="button" data-toggle="tooltip" title="新增" id="addCenterIpGrpBtn" onclick="addCenterIpGrp(this)" disabled><span class="glyphicon glyphicon-plus"></span></button>    
</p>

//添加中心机IP输入框项 
  function addCenterIpGrp(obj){ 
    html = &#39;<p class="input-group centerIp">&#39;+ 
          &#39;<label class="input-group-addon">IP：</label>&#39;+ 
          &#39;<input type="text" class="form-control" id="ipInput">&#39;+ 
          &#39;<label class="input-group-addon">注释：</label>&#39;+ 
          &#39;<input type="text" class="form-control" id="descInput">&#39;+ 
          &#39;<span class="input-group-btn">&#39;+ 
                &#39;<button class="btn btn-info" type="button" data-toggle="tooltip" title="删除" id="delCenterIpGrp"><span class="glyphicon glyphicon-minus"></span></button>&#39;+ 
          &#39;</span>&#39;+ 
        &#39;</p>&#39; 
    obj.insertAdjacentHTML(&#39;beforebegin&#39;,html) 
  }

$(document).on('click','#delCenterIpGrp',function(){ 
  var el = this.parentNode.parentNode 
  var centerIp = $(this).parent().parent().find('#ipInput').val() 
  alertify.confirm('您确定要删除选中的命令？', 
  function(e){ 
    if(e){ el.parentNode.removeChild(el)}})})