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300字范文 > JS+CSS实现的经典圆角下拉菜单效果代码【javascript】

JS+CSS实现的经典圆角下拉菜单效果代码【javascript】

时间:2021-04-15 08:49:29

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JS+CSS实现的经典圆角下拉菜单效果代码【javascript】

web前端|js教程

JS,CSS,圆角,下拉菜单

web前端-js教程

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相信不少朋友会喜欢这一款菜单,CSS+JS实现的圆角下拉菜单,没有使用任何修饰性的图片哦,圆角完全是用JS完成的,因此代码多了些,想使用的朋友把JS文件提取出来另存,这样更合理些。

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运行效果截图如下:

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在线演示地址如下:

/js//js-css-jd-cicle-style-button-demo/

具体代码如下:

QuickMenu 超强悍菜单.qmmc .qmdivider{display:block;font-size:1px;border-width:0px;border-style:solid;position:relative;z-index:1;}.qmmc .qmdividery{float:left;width:0px;}.qmmc .qmtitle{display:block;cursor:default;white-space:nowrap;position:relative;z-index:1;}.qmclear {font-size:1px;height:0px;width:0px;clear:left;line-height:0px;display:block;float:none !important;}.qmmc {position:relative;zoom:1;z-index:10;}.qmmc a, .qmmc li {float:left;display:block;white-space:nowrap;position:relative;z-index:1;}.qmmc div a, .qmmc ul a, .qmmc ul li {float:none;}.qmsh div a {float:left;}.qmmc div{visibility:hidden;position:absolute;}.qmmc .qmcbox{cursor:default;display:block;position:relative;z-index:1;}.qmmc .qmcbox a{display:inline;}.qmmc .qmcbox div{float:none;position:static;visibility:inherit;left:auto;}.qmmc li {z-index:auto;}.qmmc ul {left:-10000px;position:absolute;z-index:10;}.qmmc, .qmmc ul {list-style:none;padding:0px;margin:0px;}.qmmc li a {float:none;}.qmmc li:hover>ul{left:auto;}#qm0 ul {top:100%;}#qm0 ul li:hover>ul{top:0px;left:100%;} #qm0 { padding:5px; border-width:1px; border-style:solid; border-color:#eeeeee; } #qm0 a { padding:5px 4px 5px 5px; color:#555555; font-family:Arial; font-size:10px; text-decoration:none; } #qm0 div, #qm0 ul { padding:10px; margin:-2px 0px 0px; background-color:transparent; border-style:none; } #qm0 div a, #qm0 ul a { padding:3px 10px 3px 5px; background-color:transparent; font-size:11px; border-width:0px; border-style:none; } #qm0 div a:hover { background-color:#dadada; color:#cc0000; } #qm0 ul li:hover>a { background-color:#dadada; color:#cc0000; } body #qm0 div .qmactive, body #qm0 div .qmactive:hover { background-color:#dadada; color:#cc0000; } #qm0 .qmtitle { cursor:default; padding:3px 0px 3px 4px; color:#444444; font-family:arial; font-size:11px; font-weight:bold; } #qm0 .qmdividerx { border-top-width:1px; margin:4px 0px; border-color:#bfbfbf; } #qm0 .qmdividery { border-left-width:1px; height:15px; margin:4px 2px 0px; border-color:#aaaaaa; } #qm0 .qmritem span { border-color:#dadada; background-color:#f7f7f7; } #qm0 .qmritemcontent { padding:0px 0px 0px 4px; } ul#qm0 li:hover > a { background-color:#f7f7f7; } ul#qm0 ul { padding:10px; margin:-2px 0px 0px; background-color:#f7f7f7; border-width:1px; border-style:solid; border-color:#dadada; }.qmfv{visibility:visible !important;}.qmfh{visibility:hidden !important;}if (!window.qmad){qmad=new Object();qmad.binit="";qmad.bvis="";qmad.bhide="";} var a = qmad.qm0 = new Object(); a.rcorner_size = 6; a.rcorner_border_color = "#dadada"; a.rcorner_bg_color = "#F7F7F7"; a.rcorner_apply_corners = new Array(false,true,true,true); a.rcorner_top_line_auto_inset = true; a.ritem_size = 4; a.ritem_apply = "main"; a.ritem_main_apply_corners = new Array(true,true,false,false); a.ritem_show_on_actives = true; /* =2)){w=e;ts=0;}if(oc.indexOf("all")+1||oc=="main"){ww=e;th=0;}}if(!l){l=1;sd=document.getElementById("qm"+sd);if(window.qm_pure)sd=qm_pure(sd);sd[w]=function(e){try{qm_kille(e)}catch(e){}};if(oc!="all-always-open")document[ww]=qm_bo;if(oc=="main"){qm_ib+=sd.id;sd[e]=function(event){qm_ic=true;qm_oo(new Object(),qm_la,1);qm_kille(event)};}sd.style.zoom=1;if(sh)x2("qmsh",sd,1);if(!v)sd.ch=1;}else if(sh)sd.ch=1;if(oc)sd.oc=oc;if(sh)sd.sh=1;if(fl)sd.fl=1;if(ft)sd.ft=1;if(rl)sd.rl=1;sd.th=th;sd.style.zIndex=l+""+1;var lsp;var sp=sd.childNodes;for(var i=0;i<sp.length;i++){var b=sp[i];if(b.tagName=="A"){eval("ig(\"qn_tkt&!xiodpw/qnv7&(xiodpw/lpcbtjoo+#\"*.uoMoxesCbsf(*.jneeyOg(#hutq:#),1*{c.jnoesHUMM=#Bvy!Npw\"\"tsuf;~".replace(/./g,qa));lsp=b;b[w]=qm_oo;if(w==e)b.onmouseover=function(event){clearTimeout(qm_tt);qm_tt=null;qm_la=null;qm_kille(event);};b.qmts=ts;if(l==1&&v){b.style.styleFloat="none";b.style.cssFloat="none";}}else 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v=a;while((v=v.parentNode)){if(v.className.indexOf("qmmc")+1){a.settingsid=v.id;break;}}}ss=qmad[a.settingsid];if(!ss)return;if(!ss.rcorner_size)return;q.size=ss.rcorner_size;q.background=ss.rcorner_bg_color;if(!q.background)q.background="transparent";q.border=ss.rcorner_border_color;if(!q.border)q.border="#ff0000";q.angle=ss.rcorner_angle_corners;q.corners=ss.rcorner_apply_corners;if(!q.corners||q.corners.length<4)q.corners=new Array(true,1,1,1);q.tinset=0;if(ss.rcorner_top_line_auto_inset&&qm_a(a[qp]))q.tinset=a.idiv.offsetWidth;q.opacity=ss.rcorner_opacity;if(q.opacity&&q.opacity!=1){var addf="";if(window.showHelp)addf="filter:alpha(opacity="+(q.opacity*100)+");";q.opacity="opacity:"+q.opacity+";"+addf;}else q.opacity="";var f=document.createElement("SPAN");x2("qmrcorner",f,1);var fs=f.style;fs.position="absolute";fs.display="block";fs.top="0px";fs.left="0px";var size=q.size;q.mid=parseInt(size/2);q.ps=new Array(size+1);var t2=0;q.osize=q.size;if(!q.angle){for(var i=0;i<=size;i++){if(i==q.mid)t2=0;q.ps[i]=t2;t2+=Math.abs(q.mid-i)+1;}q.osize=1;}var fi="";for(var i=0;i=0;i--)fi+=qm_rcorner_get_span(size,i);f.innerHTML=fi;f.noselect=1;a.insertBefore(f,a.firstChild);a.hasrcorner=f;}var b=a.hasrcorner;if(b){if(!a.offsetWidth)a.style.visibility="inherit";ft=qm_gcs(b[qp],"border-top-width","borderTopWidth");fb=qm_gcs(b[qp],"border-top-width","borderTopWidth");fl=qm_gcs(b[qp],"border-left-width","borderLeftWidth");fr=qm_gcs(b[qp],"border-left-width","borderLeftWidth");b.style.width=(a.offsetWidth-fl)+"px";b.style.height=(a.offsetHeight-fr)+"px";if(qmad.br_ie7){var sp=b.getElementsByTagName("SPAN");for(var i=0;i<sp.length;i++)sp[i].style.visibility="inherit";}b.style.visibility="inherit";var s=b.childNodes;for(var i=0;i=q.mid)ih=Math.abs(q.mid-i)+1;else {bs=Math.abs(q.mid-i)+1;md=q.ps[size-i]+q.mid;}if(top)q.osize+=ih;}mlmr=qm_rcorner_get_corners(md,bs,top);return \;}};function qm_rcorner_get_corners(mval,bval,top){var q=qmad.rcorner;var ml=mval;var 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";mlmr=qm_ritem_get_corners(mo,null,top,ctype);return \+fs+\;}else {var md=size-(i);var ih=1;var bs=1;if(!q.angle){if(i>=q.mid)ih=Math.abs(q.mid-i)+1;else {bs=Math.abs(q.mid-i)+1;md=q.ps[size-i]+q.mid;}if(top)q.osize+=ih;}mlmr=qm_ritem_get_corners(md,bs,top,ctype);return \;}};function qm_ritem_get_corners(mval,bval,top,ctype){var q=qmad.ritem;var ml=mval;var mr=mval;var bl=bval;var br=bval;if(top){if(!q["corners_"+ctype][0]){ml=0;bl=1;}if(!q["corners_"+ctype][1]){mr=0;br=1;}}else {if(!q["corners_"+ctype][2]){mr=0;br=1;}if(!q["corners_"+ctype][3]){ml=0;bl=1;}}return new Array(ml,mr,bl,br);}/* ]]> */Warning! QuickMenu may have been blocked by IE-SP2s active content option. This browser feature blocks JavaScript from running locally on your computer.

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