时间：2021-07-01 10:21:17 帮助过：3人阅读
本文实例讲述了jQuery实现自定义右键菜单的树状菜单效果。分享给大家供大家参考。具体如下：
这是一款基于jQuery的自定义右键菜单，在树状结构的子节点（下级没有节点）上单击右键才会弹出自定义菜单，而且菜单是自动根据鼠标位置来定位的。当鼠标在菜单以外的任意空白处单击一下后会自动消失。这里想特别说明一点所谓的“菜单以外”，可以有两种解剖方式——1、除了鼠标在菜单区域内的所有位置；2、如下图所示的A、B、C、D四个区域。显然用第一种方法来剖析会更简单直接一点。源码中的!IsInArea就表示此方法。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/jquery-zdy-right-button-menu-style-codes/
具体代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>jQuery自定义右键菜单</title>
<style type="text/css">
body {
font-size: 12px;
margin: 0px;
padding: 0px;
}
form,div,ul,li {
margin: 0px;
padding: 0px;
list-style-type: none;
overflow: hidden;
}
h1,h2,h3,h4,h5 {
font-size: 12px;
margin: 0px;
padding: 0px;
}
a {
text-decoration: none;
}
.layout {
width: 993px;
clear: both;
margin-right: auto;
margin-left: auto;
border-top-width: 0px;
border-right-width: 4px;
border-bottom-width: 0px;
border-left-width: 4px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #000000;
border-right-color: #000000;
border-bottom-color: #000000;
border-left-color: #000000;
overflow: hidden;
}
.layout2 {
width: 942px;
margin-right: auto;
margin-left: auto;
}
.Content {
background-color: #376285;
}
.contentBg {
background-color: #173043;
}
div, ul, li {
margin: 0px;
padding: 0px;
list-style-type: none;
}
body {
background-color: #FFFFFF;
font-size: 12px;
margin: 0px;
padding: 0px;
}
#TreeList {
background-color: #FFFFFF;
margin-top: 6px;
margin-right: 9px;
margin-bottom: 6px;
margin-left: 9px;
border: 1px solid #5d7b96;
padding-bottom: 6px;
padding-left: 6px;
}
#TreeList .mouseOver {
background-color: #FAF3E2;
}
#TreeList .ParentNode {
line-height: 21px;
height: 21px;
margin-top: 2px;
clear: both;
}
#TreeList .ChildNode {
background-image: url(images/Sys_ModuleIcos.png);
background-position: 15px -58px;
padding-left: 39px;
line-height: 21px;
background-repeat: no-repeat;
border-top-width: 0px;
border-right-width: 0px;
border-bottom-width: 1px;
border-left-width: 0px;
border-top-style: dashed;
border-right-style: dashed;
border-bottom-style: dashed;
border-left-style: dashed;
border-top-color: #aabdce;
border-right-color: #aabdce;
border-bottom-color: #aabdce;
border-left-color: #aabdce;
cursor: default;
clear: both;
height: 21px;
color: #314f6a;
}
#TreeList .title {
float: left;
}
#TreeList .input {
font-size: 12px;
line-height: 18px;
color: #FFF;
height: 16px;
background-color: #3F6B8F;
width: 120px;
text-align: center;
margin-top: 1px;
border-top-width: 1px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #1F3547;
border-right-color: #FFF;
border-bottom-color: #FFF;
border-left-color: #1F3547;
float: left;
}
#TreeList .editBT {
float: left;
overflow: visible;
}
#TreeList .editBT .ok {
background-image: url(images/Sys_ModuleIcos.png);
background-repeat: no-repeat;
background-position: 0px -89px;
height: 13px;
width: 12px;
float: left;
margin-left: 3px;
padding: 0px;
margin-top: 3px;
cursor: pointer;
}
#TreeList .editBT .cannel {
background-image: url(images/Sys_ModuleIcos.png);
background-repeat: no-repeat;
background-position: 0px -120px;
float: left;
height: 13px;
width: 12px;
margin-left: 3px;
padding: 0px;
margin-top: 3px;
cursor: pointer;
}
#TreeList .editArea {
float: right;
color: #C3C3C3;
cursor: pointer;
margin-right: 6px;
}
#TreeList .editArea span {
margin: 2px;
}
#TreeList .editArea .mouseOver {
color: #BD4B00;
border-top-width: 1px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #C9925A;
border-right-color: #E6CFBB;
border-bottom-color: #E6CFBB;
border-left-color: #C9925A;
background-color: #FFFFFF;
margin: 0px;
padding: 1px;
}
#TreeList .ParentNode .title {
color: #314f6a;
cursor: pointer;
background-image: url(images/Sys_ModuleIcos.png);
background-repeat: no-repeat;
padding-left: 39px;
}
#TreeList .ParentNode.show .title {
font-weight: bold;
background-position: 3px -27px;
}
#TreeList .ParentNode.hidden .title {
background-position: 3px 4px;
}
#TreeList .ParentNode .editArea {
color: #999;
}
#TreeList .ParentNode.show {
background-color: #d1dfeb;
border-top-width: 0px;
border-right-width: 0px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #5d7b96;
border-right-color: #5d7b96;
border-bottom-color: #5d7b96;
border-left-color: #5d7b96;
}
#TreeList .ParentNode.hidden {
border-top-width: 0px;
border-right-width: 0px;
border-bottom-width: 1px;
border-left-width: 0px;
border-top-style: dashed;
border-right-style: dashed;
border-bottom-style: dashed;
border-left-style: dashed;
border-top-color: #aabdce;
border-right-color: #aabdce;
border-bottom-color: #aabdce;
border-left-color: #aabdce;
}
#TreeList .Row {
clear: both;
margin-left: 24px;
background-image: url(images/Sys_ModuleIcos2.png);
background-repeat: repeat-y;
background-position: 7px 0px;
}
h1 {
font-size: 12px;
line-height: 24px;
color: #FFF;
background-color: #396384;
text-align: center;
margin: 0px;
padding: 0px;
}
#OpLimits_Menu {
position: absolute;
width: 70px;
cursor: default;
filter: Alpha(Opacity=90);
}
#OpLimits_Menu ul {
background-color: #d5effc;
border: 1px solid #3e8dad;
}
#OpLimits_Menu ul li {
line-height: 18px;
color: #496D81;
text-align: center;
letter-spacing: 0.3em;
height: 18px;
cursor: pointer;
}
#OpLimits_Menu ul .onmouse {
background-image: url(images/bt1.gif);
background-repeat: repeat-x;
color: #324A58;
}
</style>
<script type="text/javascript" src="jquery-1.6.2.min.js"></script>
<script type="text/javascript">
var Mouse_X,Mouse_Y;
var TMenu_X0,TMenu_Y0;
var MousePostion;
$(document).ready(function(e) {
var PrentNodeClass = 'ParentNode';//父节点的标识
var ChildNodeClass = 'ChildNode';//没有下级子节点的标识
var ChildrenListClass = 'Row';//子节点被包着的外层样式
var TModuleNode,TChildNode,TModuleNodeName;
TModuleNode = $('#TreeList .'+PrentNodeClass);//顶层节点
TChildNode = $('.'+ChildNodeClass);
TModuleNodeName = $('#TreeList .' + PrentNodeClass + ' .title');//顶层节点名称
function TNode_MouseDown(e,Obj){
if(e.which==3){
if(Obj.hasClass(ChildNodeClass)){//没有子节点才需要有权限设置菜单
MousePostion(e,1);
with($('#OpLimits_Menu')){
css('left',Mouse_X);
css('top',Mouse_Y);
css('display','block');
}
}
}
}
//-------------禁用系统的右键功能-----------
$(document).bind('contextmenu',function(e){
return false;
});
var LimitsMenu_Width,LimitsMenu_Height;
LimitsMenu_Width = $('#OpLimits_Menu').width();
LimitsMenu_Height = $('#OpLimits_Menu').height();
var LimitsSetting_Width,LimitsSetting_Height;
LimitsSetting_Width = $('#OpLimitsSetting').width();
LimitsSetting_Height = $('#OpLimitsSetting').height();
TChildNode.mousedown(function(e){
TNode_MouseDown(e,$(this));
});
$(this).mousedown(function(e){
if(Mouse_X && Mouse_Y){
MousePostion(e,0);
var IsInArea = Mouse_X>TMenu_X0 && Mouse_X<TMenu_X0+LimitsMenu_Width && Mouse_Y>TMenu_Y0 && Mouse_Y<TMenu_Y0+LimitsMenu_Height;
if(e.which==1 && !IsInArea){
with($('#OpLimits_Menu')){
css('display','none');
}
}
}
});
//-----------------------------------------
//计算坐标函数
MousePostion = function(e,tag){
mouse = new MouseEvent(e);
Mouse_X = mouse.x;
Mouse_Y = mouse.y;
if(tag==1){
TMenu_X0 = Mouse_X;
TMenu_Y0 = Mouse_Y;
}
}
//获取鼠标坐标函数
var MouseEvent = function(e) {
this.x = e.pageX
this.y = e.pageY
}
//----------------------------------------
with($('#OpLimits_Menu li')){
mouseover(function(){
$(this).addClass('onmouse');
});
mouseout(function(){
$(this).removeClass('onmouse');
});
click(function(){
with($('#OpLimits_Menu')){
css('display','none');
}
});
}
});
</script>
</head>
<body>
<div id="TreeList">
<div class="ParentNode show">
<div class="title">酷站欣赏</div>
</div>
<div class="Row">
<div class="ChildNode">
<div class="title">欧美酷站</div>
</div>
<div class="ChildNode">
<div class="title">日韩酷站</div>
</div>
<div class="ChildNode">
<div class="title">国内酷站</div>
</div>
<div class="ChildNode">
<div class="title">婚庆摄影</div>
</div>
<div class="ChildNode">
<div class="title">餐饮食品</div>
</div>
</div>
</div>
<div id="OpLimits_Menu" style="display:none">
<h1>权限设置</h1>
<ul>
<li value="1">查看</li>
<li value="2">添加</li>
<li value="3">修改</li>
<li value="4">删除</li>
</ul>
</div>
</body>
</html>
希望本文所述对大家的jquery程序设计有所帮助。