jQueryはB 2 Bサイトのバックグラウンド管理システムのサイドナビゲーションを実現します。


効果図

1.部分

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>index</title>
  <link rel="stylesheet" href="https://cdn.bootcss.com/font-awesome/4.6.0/css/font-awesome.min.css" rel="external nofollow" >
  <link rel="stylesheet" href="css/style.css" rel="external nofollow" >
</head>

<body>

<div class="account-l fl">
  <a class="list-title">    </a>
  <ul id="accordion" class="accordion">
    <li>
      <div class="link"><i class="fa fa-leaf"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="shop"><a>    </a></li>
        <li id="publicproducts"><a>    </a></li>
        <li id="productlists"><a>    </a></li>
        <li id="mysaled"><a>     </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-shopping-cart"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="publishpurchase"><a>    </a></li>
        <li id="postneeds"><a>    </a></li>
        <li id="getneeds"><a>       </a></li>
        <li id="mypricesheet"><a>     </a></li>
        <li id="concernshop"><a>      </a></li>
        <li id="concerngood"><a>      </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-pencil-square-o"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="buyerxunpanlist"><a>     </a></li>
        <li id="publishrequire"><a>    </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-file-text"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="myorder"><a>    </a></li>
        <li id="myrefund"><a>    </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-globe"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="myloan"><a>    </a></li>
        <li id="financialmanage"><a>    </a></li>
        <li id="myapplication"><a>    </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-unlock-alt"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="basecomInfo"><a>    </a></li>
        <li id="authenchange"><a>    </a></li>
        <li id="phoneAuth"><a>    </a></li>
        <li id="bankCardAuth"><a>     </a></li>
        <li id="emailAuth"><a>    </a></li>
        <li id="passwordmodify"><a>    </a></li>
        <li id="paymentpsdmodify"><a>    </a></li>
        <li id="address"><a>    </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-star"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="usercomments"><a>    </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-bell"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="mymsg"><a>    </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-signal"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="censusmanager"><a>    </a></li>
        <li id="statisticmanager"><a>    </a></li>
      </ul>
    </li>

    <li>
      <div class="link"><i class="fa fa-credit-card"></i>    <i class="fa fa-chevron-down"></i></div>
      <ul class="submenu">
        <li id="oweindex"><a>    </a></li>
        <li id="myIous"><a>    </a></li>
        <li id="louorderlist"><a>    </a></li>
      </ul>
    </li>
  </ul>
</div>

<script src='https://libs.baidu.com/jquery/1.10.2/jquery.min.js'></script>
<script src='js/script.js'></script>
</body>
</html>
2.css部分

* {
 margin:0;
 padding:0;
 -webkit-box-sizing:border-box;
 -moz-box-sizing:border-box;
 box-sizing:border-box
}
body {
 background:#fff;
 font:12px Microsoft YaHei,arial,sans-serif
}
ul {
 list-style-type:none
}
a {
 color:#f39800;
 text-decoration:none
}
.list-title {
 display:inline-block;
 width:100%;
 max-width:200px;
 border-top:solid 1px #ccc;
 border-left:solid 1px #ccc;
 border-right:solid 1px #ccc;
 background:#fff;
 text-align:center;
 height:60px;
 line-height:60px;
 font-size:20px;
 color:#f39800;
 font-weight:700;
 cursor:pointer
}
h1 {
 color:#fff;
 font-size:24px;
 font-weight:400;
 text-align:center;
 margin-top:80px
}
h1 a {
 color:#f39800;
 font-size:16px
}
.accordion {
 width:100%;
 max-width:200px;
 border:solid 1px #ccc;
 background:#fff
}
.accordion .link {
 cursor:pointer;
 display:block;
 padding:15px 15px 15px 42px;
 color:#4d4d4d;
 font-size:14px;
 font-weight:700;
 border-bottom:1px solid #ccc;
 position:relative;
 -webkit-transition:all .4s ease;
 -o-transition:all .4s ease;
 transition:all .4s ease
}
.accordion li:last-child .link {
 border-bottom:0
}
.accordion li {
 cursor:pointer
}
.accordion li i {
 position:absolute;
 top:16px;
 left:12px;
 font-size:18px;
 color:#595959;
 -webkit-transition:all .4s ease;
 -o-transition:all .4s ease;
 transition:all .4s ease
}
.accordion li i.fa-chevron-down {
 right:12px;
 left:auto;
 font-size:16px
}
.accordion li.open .link {
 color:#f39800
}
.accordion li.open i {
 color:#f39800
}
.accordion li.open i.fa-chevron-down {
 -webkit-transform:rotate(180deg);
 -ms-transform:rotate(180deg);
 -o-transform:rotate(180deg);
 transform:rotate(180deg)
}
.submenu {
 display:none;
 background:#f5f5f5;
 font-size:14px
}
.submenu li {
 border-bottom:1px solid #d6d7dc
}
.submenu a {
 display:block;
 text-decoration:none;
 color:#666;
 padding:12px;
 padding-left:42px;
 -webkit-transition:all .25s ease;
 -o-transition:all .25s ease;
 transition:all .25s ease
}
.submenu a:hover,.submenu li.current a {
 background:#f39800;
 color:#fff
}
3.js部分

$(function() {
  var Accordion = function(el, multiple) {
    this.el = el || {};
    this.multiple = multiple || false;
    var links = this.el.find('.link');
    links.on('click', {
      el: this.el,
      multiple: this.multiple
    },
    this.dropdown)
  };
  Accordion.prototype.dropdown = function(e) {
    var $el = e.data.el;
    $this = $(this);
    $next = $this.next();
    $next.slideToggle();
    $this.parent().toggleClass('open');
    if (!e.data.multiple) {
      $el.find('.submenu').not($next).slideUp().parent().removeClass('open');
    }
  };
  var accordion = new Accordion($('#accordion'), false);
  $('.submenu li').click(function() {
    $(this).addClass('current').siblings('li').removeClass('current');
  });
});
以上はjQueryがB 2 Bサイトのバックグラウンド管理システムのサイドナビゲーションの詳細を実現しました。jQueryについて、サイドナビゲーションを実現するための資料は他の関連記事に注目してください。