本文實例講述了jQuery實現自定義右鍵菜單的樹狀菜單效果。分享給大家供大家參考。具體如下：
這是一款基于jQuery的自定義右鍵菜單，在樹狀結構的子節點（下級沒有節點）上單擊右鍵才會彈出自定義菜單，而且菜單是自動根據鼠標位置來定位的。當鼠標在菜單以外的任意空白處單擊一下后會自動消失。這里想特別說明一點所謂的“菜單以外”，可以有兩種解剖方式――1、除了鼠標在菜單區域內的所有位置；2、如下圖所示的A、B、C、D四個區域。顯然用第一種方法來剖析會更簡單直接一點。源碼中的!IsInArea就表示此方法。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/jquery-zdy-right-button-menu-style-codes/
具體代碼如下：
<!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自定義右鍵菜單</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';//父節點的標識 var ChildNodeClass = 'ChildNode';//沒有下級子節點的標識 var ChildrenListClass = 'Row';//子節點被包著的外層樣式 var TModuleNode,TChildNode,TModuleNodeName; TModuleNode = $('#TreeList .'+PrentNodeClass);//頂層節點 TChildNode = $('.'+ChildNodeClass); TModuleNodeName = $('#TreeList .' + PrentNodeClass + ' .title');//頂層節點名稱 function TNode_MouseDown(e,Obj){ if(e.which==3){ if(Obj.hasClass(ChildNodeClass)){//沒有子節點才需要有權限設置菜單 MousePostion(e,1); with($('#OpLimits_Menu')){ css('left',Mouse_X); css('top',Mouse_Y); css('display','block'); } } } } //-------------禁用系統的右鍵功能----------- $(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'); } } } }); //----------------------------------------- //計算坐標函數 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; } } //獲取鼠標坐標函數 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">酷站欣賞</div> </div> <div class="Row"> <div class="ChildNode"> <div class="title">歐美酷站</div> </div> <div class="ChildNode"> <div class="title">日韓酷站</div> </div> <div class="ChildNode"> <div class="title">國內酷站</div> </div> <div class="ChildNode"> <div class="title">婚慶攝影</div> </div> <div class="ChildNode"> <div class="title">餐飲食品</div> </div> </div></div><div id="OpLimits_Menu" style="display:none"> <h1>權限設置</h1> <ul> <li value="1">查看</li> <li value="2">添加</li> <li value="3">修改</li> <li value="4">刪除</li> </ul></div></body></html>希望本文所述對大家的jquery程序設計有所幫助。
新聞熱點
疑難解答
