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jQuery實作自訂右鍵選單的樹狀選單效果_jquery

WBOY
WBOY原創
2016-05-16 15:41:061114瀏覽

本文實例講述了jQuery實作自訂右鍵選單的樹狀選單效果。分享給大家供大家參考。具體如下:

這是一款基於jQuery的自訂右鍵選單,在樹狀結構的子節點(下級沒有節點)上點擊右鍵才會彈出自訂選單,而且選單是自動根據滑鼠位置來定位的。當滑鼠在選單以外的任意空白處單擊後會自動消失。這裡想特別說明一點所謂的“選單以外”,可以有兩種解剖方式——1、除了滑鼠在選單區域內的所有位置;2、如下圖所示的A、B、C、D四個區域。顯然用第一種方法剖析會比較簡單直接一點。原始碼中的!IsInArea就表示此方法。

運作效果截圖如下:

線上示範網址如下:

http://demo.jb51.net/js/2015/jquery-zdy-right-button-menu-style-codes/

具體程式碼如下:

<!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>

希望本文所述對大家的jquery程式設計有所幫助。

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