ztree右键菜单使用

<style type="text/css">
	
	div#rMenu {position:absolute; visibility:hidden; top:0; text-align: left;padding:4px;}
   	div#rMenu a{
		padding: 3px 15px 3px 15px;
       	　　　　 background-color:#EEEEEE;
      	　　　　 vertical-align:middle;
  		  }

</style>

<div id="rMenu">
		
		<a href="javascript:newNode()">新建文件夹</a><br>
		<a href="javascript:renameNode()">重命名文件夹</a><br>
		<a href="#" id="deleteTreeNode">删除文件夹</a>

	</div>

//鼠标右键单击事件
		function zTreeOnRightClick(event, treeId, treeNode) {
//		    alert(treeNode ? treeNode.id + ", " + treeNode.name : "isRoot");
		if(treeNode.id != null){
			if (!treeNode && event.target.tagName.toLowerCase() != "button" && $(event.target).parents("a").length == 0) {
	        	showRMenu("root", event.clientX, event.clientY,treeNodes);
					console.log("root已经右键")	
	   		 } else if (treeNode && !treeNode.noR) {
	       		showRMenu("node", event.clientX, event.clientY,treeNode);

	   	    	console.log(treeNode.id)
				console.log("node已经右键")
				a=treeNode.id
	  	  	}
		}
		    
		};
		

	//显示右键菜单
		function showRMenu(type, x, y,treeNode) {
		    $("#rMenu ul").show();
		    $(rMenu).css({"top":y+"px", "left":x+"px", "visibility":"visible"}); //设置右键菜单的位置、可见
		    $("body").bind("mousedown", onBodyMouseDown);
//		    console.log("----------"+treeNode)
			console.log("已经显示菜单")
		}
		
		//隐藏右键菜单
		function hideRMenu() {
		    $(rMenu).css({"visibility": "hidden"}); //设置右键菜单不可见
		}

		//鼠标点击菜单时调用，还不知道具体作用
		function onBodyMouseDown(event) {
			console.log("已经点击");
			
		    if (!(event.target.id == "rMenu" || $(event.target).parents("#rMenu").length > 0)) {
		    	$(rMenu).css({ "visibility" : "hidden"});
		    	//console.log(!(event.target.id == "rMenu" || $(event.target).parents("#rMenu").length > 0));
		    }
		}