var items = [{
"id": "1",
"title": "Menu A",
"link": "http: //www.google.com"
}, {
"id": "2",
"title": "Menu B",
"link": "http://www.google.com"
}, {
"id": "3",
"title": "Menu C",
"link": "http://www.google.com"
}, {
"id": "4",
"title": "Menu D",
"link": "http://www.google.com"
}, {
"id": "5",
"title": "Menu E",
"link": "http://www.google.com"
}, {
"id": "6",
"title": "Menu 1A",
"link": "http://www.google.com",
"parent": "1;#Menu A"
}, {
"id": "7",
"title": "Menu 2A",
"link": "http://www.google.com",
"parent": "1;#Menu A"
}, {
"id": "8",
"title": "Menu 3A",
"link": "http://www.google.com",
"parent": "1;#Menu A"
}, {
"id": "9",
"title": "Menu 1B",
"link": "http://www.google.com",
"parent": "2;#Menu B"
}, {
"id": "10",
"title": "Menu 2B",
"link": "http://www.google.com",
"parent": "2;#Menu B"
}, {
"id": "11",
"title": "Menu 1C",
"link": "http://www.google.com",
"parent": "3;#Menu C"
}, {
"id": "12",
"title": "Menu 2C",
"link": "http://www.google.com",
"parent": "3;#Menu C"
}, {
"id": "13",
"title": "Menu 3C",
"link": "http://www.google.com",
"parent": "3;#Menu C"
}, {
"id": "14",
"title": "Menu 1D",
"link": "http://www.google.com",
"parent": "4;#Menu D"
}, {
"id": "15",
"title": "Menu 2D",
"link": "http://www.google.com",
"parent": "14;#Menu 1D"
}, {
"id": "16",
"title": "Menu 3D",
"link": "http://www.google.com",
"parent": "15;#Menu 2D"
}, {
"id": "17",
"title": "Menu 1E",
"link": "http://www.google.com",
"parent": "5;#Menu E"
}, {
"id": "18",
"title": "Menu 2E",
"link": "http://www.google.com",
"parent": "17;#Menu 1E"
}]
items = $.map(items, function(item) {
return {
id: item.id,
title: item.title,
link: item.link,
parent: (item.parent) ? item.parent.split(";")[0] : false
}
})
console.log(items)
var container = $("#container");
(function createMenu() {
$.each(items, function(i, v) {
//Check if item has parent
if (v.parent == false) {
// Check if container has first level ul
if (container.find("ul#topLevel").length == 0) {
container.append($("<ul>").attr("id","topLevel"))
} else {
console.log('firstlevel exist')
}
//Add items to first level
container
.find('ul')
.append($("<li>")
.text(v.title)
.attr('id', v.id)
)
}else{
var parent = v.parent;
var parentElement = $("#"+parent);
if(parentElement.find('ul').length == false) {
parentElement.append($("<ul>").attr({
id: 'subLevelFor_'+ parent
}))
}
$("ul#subLevelFor_"+ parent)
.append($("<li>")
.text(v.title)
.attr('id', v.id)
)
}
})
console.log('done')
})();
body {
font-family: 'Lucida Grande', 'Helvetica Neue', Helvetica, Arial, sans-serif;
padding: 20px 50px 150px;
font-size: 13px;
text-align: center;
background: #E3CAA1;
}
ul {
text-align: left;
display: inline;
margin: 0;
padding: 15px 4px 17px 0;
list-style: none;
-webkit-box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
-moz-box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
}
ul > li {
font: bold 12px/18px sans-serif;
display: inline-block;
margin-right: -4px;
position: relative;
padding: 15px 20px;
background: #fff;
cursor: pointer;
-webkit-transition: all 0.2s;
-moz-transition: all 0.2s;
-ms-transition: all 0.2s;
-o-transition: all 0.2s;
transition: all 0.2s;
}
ul > li:hover {
background: #555;
color: #fff;
}
ul > li > ul {
padding: 0;
position: absolute;
top: 48px;
left: 0;
width: 150px;
-webkit-box-shadow: none;
-moz-box-shadow: none;
box-shadow: none;
display: none;
opacity: 0;
visibility: hidden;
-webkit-transiton: opacity 0.2s;
-moz-transition: opacity 0.2s;
-ms-transition: opacity 0.2s;
-o-transition: opacity 0.2s;
-transition: opacity 0.2s;
}
ul > li > ul > li {
background: #555;
display: block;
color: #fff;
text-shadow: 0 -1px 0 #000;
}
ul > li > ul > li:hover { background: #666; }
ul > li:hover > ul {
display: block;
opacity: 1;
visibility: visible;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="container"></div>
這是一個聰明的想法來定位孩子。 – sabithpocker
謝謝@sabithpocker！我將離開此鏈接到[垂直主菜單帖子的水平子菜單]（http://stackoverflow.com/questions/36349002/horizontal-submenu-for-a-vertical-main-menu-using-bootstrap/36349902#36349902 ）在這裏，因爲我認爲相關，它很好解釋。 – xWaZzo
這對我來說好處多多。好的解決方案 – Batman