<div class="form-group">   <label>點擊事件：</label>   <input id="selectActionType" class="form-control" onfocus="showActionTypeTree()" onclick="showActionTypeTree()" readonly="readonly" style="border-radius:5px;background-color: white;cursor: default;"/>   <input type="hidden" name="actionTypeId" id="actionTypeId"/>   <div id="actionTreeContent" class="menuContent" style="border-radius:5px;display: none; z-index:9999;position: absolute; border: 1px #CCC solid; background-color:#f9f9f9;">     <ul id="actionTypeTree" class="ztree" style="margin-top:0;height: 200px;overflow: auto"></ul>   </div> </div> 

/*    * 點擊事件下拉樹的設置    */   var actionTypeSetting = {     view: {       dblClickExpand: true,       showIcon: false,       fontCss : {"font-weight":"400","font-size":"20px"}     },     data: {       key: {         name: "text",         children: "children"       },       simpleData: {         enable: true       }     },     callback: {       onClick: actionTypeOnClick     }   };   /*    * 點擊事件下拉樹的點擊事件    */   function actionTypeOnClick(e, treeId, treeNode) {     $("#actionTypeId").val(treeNode.id);     $("#selectActionType").val(treeNode.text);   }   /*    * 初始化點擊事件類型    *    */   function initActionType() {     $.ajax({       async: false,       cache: false,       type: 'POST',       dataType: "json",       url: localStorage.getItem("adminPath") + '/touch/typeTable/getActionList?businessTypeId=2',       error: function () {//請求失敗處理函數         alert('請求失敗');       },       success: function (data) { //請求成功后處理函數         $.fn.zTree.init($("#actionTypeTree"), actionTypeSetting, data);       }     });   }   /*    * 展示點擊事件SelectTree    */   function showActionTypeTree() {     $.ajax({       url: localStorage.getItem("adminPath") + '/touch/typeTable/getActionList?businessTypeId=2',       type: 'POST',       dataType: "json",       async: false,       success: function (data) {         $.fn.zTree.init($("#actionTypeTree"), actionTypeSetting, data);         var deptObj = $("#selectActionType");         var deptOffset = $("#selectActionType").offset();         $("#actionTreeContent").css({           left: deptOffset.left - 26 + "px",           top: deptOffset.top + "px"         }).slideDown("fast");         $('#actionTypeTree').css({width: deptObj.outerWidth() + "px"});         var zTree = $.fn.zTree.getZTreeObj("actionTypeTree");         var node = zTree.getNodeByParam("id", $('#actionTypeId').val(), null);         zTree.selectNode(node);         $("body").bind("mousedown", onBodyDownByActionType);       }     });   }   /*    * Body鼠標按下事件回調函數    */   function onBodyDownByActionType(event) {     if (event.target.id.indexOf('switch') == -1) {       hideActionTypeMenu();     }   }   /*    * 隱藏點擊事件Tree    */   function hideActionTypeMenu() {     $("#actionTreeContent").fadeOut("fast");     $("body").unbind("mousedown", onBodyDownByActionType);   } 

<div class="form-group">   <label>點擊事件：</label>   <input id="actionTypeId2" name="actionTypeId2" class="form-control" /> </div> 

$("#actionTypeId2").combotree({  url: localStorage.getItem("adminPath") + '/touch/typeTable/getActionList?businessTypeId=2',  textField:'name',  onClick: function (node) {    $("#actionTypeId").val(node.id);  },  onSelect: function (node) {    /**     * 當選中該節點時展開該節點，同時關閉其他節點     */    if (node.state == "closed") {      $(this).tree('expand', node.target);    }    else {      var isLeaf = $(this).tree('isLeaf', node.target);      if (!isLeaf) {        $(this).tree("collapse", node.target);      }    }  }});