bootstrap中input输入框后面添加图标

<!--  记得添加bootstrap.css和bootstrap.js -->
 <input class="form-control open-window-btn-add-up"
                                            id="casegisposcodevalue" name="casegisposcodevalue">
<a class="glyphicon glyphicon-search" title="搜索选择"
                        onclick="Feng.GunsPopUp.popTableWindow('basStationGispos','','gisposcode-gisposcode,gisposcodevalue-address',Feng.getlocationhref())"
                        style="pointer-events: auto"></a>

<div class="col-sm-9 form-group  input-group">
                                        <input type="hidden" id="casegisposcode"
                                            value="${item.casegisposcode}">
                                            
                                        
                                        <input class="form-control open-window-btn-add-up"
                                            id="casegisposcodevalue" value="${item.casegisposcodevalue}"
                                            name="casegisposcodevalue">
                        <a class="glyphicon glyphicon-search input-group-addon" title="搜索选择"
                        onclick="Feng.GunsPopUp.popTableWindow('basStationGispos','','gisposcode-gisposcode,gisposcodevalue-address',Feng.getlocationhref())"
                        ></a>
                        <a class="glyphicon glyphicon-list-alt input-group-addon" title="查看详情"
                        onclick="Feng.GunsPopUp.popTableWindow('basStationGispos','','gisposcode-gisposcode,gisposcodevalue-address',Feng.getlocationhref())"
                        ></a>
</div>