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  • 后台管理系统常用侧导航，可折叠，三级导航

    效果图

    index.html

    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>index</title>
    <link rel="stylesheet" href="css/style.css">
    <link rel="stylesheet" href="css/iconfont.css">
</head>

<body>

<div class="top" style=" 100%;height: 80px;background-color: #397bc5"></div>
<div class="left-side-menu">
<div class="lsm-expand-btn">
<div class="lsm-mini-btn">
<label>
<input type="checkbox" checked="checked">
<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<circle cx="50" cy="50" r="30" />
<path class="line--1" d="M0 40h62c18 0 18-20-17 5L31 55" />
<path class="line--2" d="M0 50h80" />
<path class="line--3" d="M0 60h62c18 0 18 20-17-5L31 45" />
</svg>
</label>
</div>

</div>
    <div class="lsm-container">
        <div class="lsm-scroll">
            <div class="lsm-sidebar">
                <ul>
                    <!-- 一级导航 -->
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon_1"></i><span>系统设置</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <!--二级导航 -->
                            <li><a href="javascript:;"><span>地爆天星</span></a></li>
                            <li><a class="active" href="javascript:;"><span>无线月读</span></a></li>
                            <li><a href="javascript:;"><span>一乐拉面</span></a></li>
                            <li class="lsm-sidebar-item">
                                <!-- 三级导航 -->
                                <a href="javascript:;"><i class="my-icon lsm-sidebar-icon "></i><span>二级菜单11</span><i class="my-icon lsm-sidebar-more"></i></a>
                                <ul>
                                    <li><a href="javascript:;"><span>地爆天星</span></a></li>
                                    <li><a href="javascript:;"><span>无线月读</span></a></li>
                                    <li><a href="javascript:;"><span>一乐拉面</span></a></li>
                                    <li><a href="javascript:;"><span>血继限界</span></a></li>
                                    <li><a href="javascript:;"><span>秽土转生</span></a></li>
                                    <li><a href="javascript:;"><span>万象天引</span></a></li>
                                    <li><a href="javascript:;"><span>尸鬼封尽</span></a></li>
                                    <li><a href="javascript:;"><span>飞雷神之术</span></a></li>
                                    <li><a href="javascript:;"><span>多重影分身术</span></a></li>
                                    <li><a href="javascript:;"><span>飞雷神之术</span></a></li>
                                    <li><a href="javascript:;"><span>须佐之男</span></a></li>
                                    <li><a href="javascript:;"><span>外道魔像</span></a></li>
                                    <li><a href="javascript:;"><span>双蛇相杀</span></a></li>
                                </ul>
                            </li>
                            <li class="lsm-sidebar-item">
                                <a href="javascript:;"><i class="my-icon lsm-sidebar-icon "></i><span>二级菜单22</span><i class="my-icon lsm-sidebar-more"></i></a>
                                <ul>
                                    <li><a href="javascript:;"><span>血继限界</span></a></li>
                                    <li><a href="javascript:;"><span>秽土转生</span></a></li>
                                    <li><a href="javascript:;"><span>万象天引</span></a></li>
                                    <li><a href="javascript:;"><span>尸鬼封尽</span></a></li>
                                    <li><a href="javascript:;"><span>飞雷神之术</span></a></li>
                                </ul>
                            </li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon_2"></i><span>网络设置</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>地爆天星1</span></a></li>
                            <li><a href="javascript:;"><span>神罗天征1</span></a></li>
                            <li><a href="javascript:;"><span>八门遁甲1</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon_3"></i><span>退出系统</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国2</span></a></li>
                            <li><a href="javascript:;"><span>沙之国3</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者3</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon-iconset0308"></i><span>购物车管理</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国4</span></a></li>
                            <li><a href="javascript:;"><span>沙之国4</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者4</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon-chongzhi1"></i><span>支付中心</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国5</span></a></li>
                            <li><a href="javascript:;"><span>沙之国5</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者5</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon-chongzhi"></i><span>充值中心</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国6</span></a></li>
                            <li><a href="javascript:;"><span>沙之国6</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者6</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon-users"></i><span>用户管理</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国8</span></a></li>
                            <li><a href="javascript:;"><span>沙之国8</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者8</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon_3"></i><span>订单管理</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国9</span></a></li>
                            <li><a href="javascript:;"><span>沙之国9</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者9</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon_3"></i><span>退出系统</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国2</span></a></li>
                            <li><a href="javascript:;"><span>沙之国3</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者3</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon-iconset0308"></i><span>购物车管理</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国4</span></a></li>
                            <li><a href="javascript:;"><span>沙之国4</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者4</span></a></li>
                        </ul>
                    </li>
                    <li class="lsm-sidebar-item">
                        <a href="javascript:;"><i class="my-icon lsm-sidebar-icon icon-chongzhi1"></i><span>支付中心</span><i class="my-icon lsm-sidebar-more"></i></a>
                        <ul>
                            <li><a href="javascript:;"><span>火之国5</span></a></li>
                            <li><a href="javascript:;"><span>沙之国5</span></a></li>
                            <li><a href="javascript:;"><span>火影忍者5</span></a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </div>
</div>

<script src='https://libs.baidu.com/jquery/1.7.1/jquery.min.js'></script>
<script src="js/jquery.slimscroll.min.js"></script>
<script src="js/script.js"></script>

</body>
</html>

    style.css

    @charset "utf-8";
  body,html {
  height:100%;
  background:#e2e2e2
}
body,ul {
  margin:0;
  padding:0
}
body {
  font:14px 微软雅黑,宋体,arial narrow,HELVETICA;
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}
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  list-style:none
}
a {
  text-decoration:none
}
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  background:#3b3e47
}
.left-side-menu {
  -webkit-touch-callout:none;
  -webkit-user-select:none;
  -khtml-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none
}
.left-side-menu {
  height:calc(100% - 80px);
  width:220px
}
.lsm-expand-btn {
  height:65px
}
.lsm-container {
  height:calc(100% - 65px);
  transition:all .3s;
  z-index:100
}
.lsm-container li>a.active {
  background:#c55b03;
  color:#fff
}
.lsm-sidebar a {
  display:block;
  overflow:hidden;
  padding-left:20px;
  line-height:40px;
  max-height:40px;
  color:#b2b8be;
  transition:all .3s
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.lsm-container ul:first-child>li>a,.lsm-container ul:first-child>li>a span {
  line-height:55px;
  max-height:55px
}
.lsm-sidebar a span {
  margin-left:30px
}
.lsm-sidebar .lsm-sidebar-item .lsm-sidebar-item>ul>li a span {
  margin-left:60px
}
.lsm-sidebar-item {
  position:relative
}
.lsm-sidebar-item.lsm-sidebar-show {
  border-bottom:none
}
.lsm-sidebar-item ul {
  display:none;
  background:rgba(0,0,0,.1)
}
.lsm-sidebar-item.lsm-sidebar-show ul {
  display:block
}
.lsm-sidebar-item>a:before {
  content:"";
  position:absolute;
  left:0;
  width:2px;
  height:40px;
  background:#34a0ce;
  opacity:0;
  transition:all .3s
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.lsm-container ul:first-child>li.lsm-sidebar-item>a:before {
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.lsm-sidebar .lsm-sidebar-icon {
  font-size:20px;
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.icon_1::after {
  content:"e62b"
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  float:right;
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  font-size:12px;
  transition:transform .3s
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  transform:rotate(90deg)
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.lsm-sidebar-show,.lsm-sidebar-item>a:hover {
  color:#fff;
  background:rgba(0,0,0,.2)
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.lsm-mini-btn circle {
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.lsm-mini-btn label {
  top:0;
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.lsm-mini-btn label:hover circle {
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.lsm-mini-btn input:checked+svg .line--1,.lsm-mini-btn input:checked+svg .line--3 {
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.lsm-mini .lsm-container,.lsm-mini .lsm-container {
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.lsm-container.lsm-mini .lsm-sidebar .lsm-sidebar-icon {
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  margin-right:-20px
}
.lsm-container.lsm-mini .lsm-sidebar>ul>li.lsm-sidebar-item>ul>li.lsm-sidebar-item>ul {
  display:none;
  position:absolute;
  top:0;
  left:180px;
  width:180px;
  z-index:99;
  bottom:0;
  top:0;
  overflow:hidden
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.left-side-menu.lsm-mini ul:first-child>li>ul {
  display:none
}
.transform {
  -webkit-transform:scale(1);
  -ms-transform:scale(1);
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.lsm-popup div {
  background:#05161f
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.lsm-popup {
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.lsm-popup .lsm-sidebar-icon {
  display:none
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.lsm-popup.lsm-sidebar a span {
  margin-left:0
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.lsm-popup.lsm-sidebar ul {
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.lsm-popup.lsm-sidebar ul li {
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    iconfont.css

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    jquery.slimscroll.min.js

    /*! Copyright (c) 2011 Piotr Rochala (http://rocha.la)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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a.width,height:a.height});var m=e("<div></div>").addClass(a.railClass).css({a.size,height:"100%",position:"absolute",top:0,display:a.alwaysVisible&&a.railVisible?"block":"none","border-radius":a.railBorderRadius,background:a.railColor,opacity:a.railOpacity,zIndex:90}),c=e("<div></div>").addClass(a.barClass).css({background:a.color,a.size,position:"absolute",top:0,opacity:a.opacity,display:a.alwaysVisible?"block":"none","border-radius":a.borderRadius,BorderRadius:a.borderRadius,MozBorderRadius:a.borderRadius,
WebkitBorderRadius:a.borderRadius,zIndex:99}),h="right"==a.position?{right:a.distance}:{left:a.distance};m.css(h);c.css(h);b.wrap(q);b.parent().append(c);b.parent().append(m);a.railDraggable&&c.bind("mousedown",function(a){var b=e(document);z=!0;t=parseFloat(c.css("top"));pageY=a.pageY;b.bind("mousemove.slimscroll",function(a){currTop=t+a.pageY-pageY;c.css("top",currTop);n(0,c.position().top,!1)});b.bind("mouseup.slimscroll",function(a){z=!1;p();b.unbind(".slimscroll")});return!1}).bind("selectstart.slimscroll",
function(a){a.stopPropagation();a.preventDefault();return!1});m.hover(function(){w()},function(){p()});c.hover(function(){y=!0},function(){y=!1});b.hover(function(){r=!0;w();p()},function(){r=!1;p()});b.bind("touchstart",function(a,b){a.originalEvent.touches.length&&(A=a.originalEvent.touches[0].pageY)});b.bind("touchmove",function(b){k||b.originalEvent.preventDefault();b.originalEvent.touches.length&&(n((A-b.originalEvent.touches[0].pageY)/a.touchScrollStep,!0),A=b.originalEvent.touches[0].pageY)});
x();"bottom"===a.start?(c.css({top:b.outerHeight()-c.outerHeight()}),n(0,!0)):"top"!==a.start&&(n(e(a.start).position().top,null,!0),a.alwaysVisible||c.hide());window.addEventListener?(this.addEventListener("DOMMouseScroll",v,!1),this.addEventListener("mousewheel",v,!1)):document.attachEvent("onmousewheel",v)}});return this}});e.fn.extend({slimscroll:e.fn.slimScroll})})(jQuery);

    script.js

    $(function() {
    $('.lsm-scroll').slimscroll({
        height: 'auto',
        position: 'right',
        railOpacity: 1,
        size: "5px",
        opacity: .4,
        color: '#fffafa',
        wheelStep: 5,
        touchScrollStep: 50
    });
    $('.lsm-container ul ul').css("display", "none");
    $('.lsm-sidebar a').on('click',
    function() {
        $('.lsm-scroll').slimscroll({
            height: 'auto',
            position: 'right',
            size: "8px",
            color: '#9ea5ab',
            wheelStep: 5,
            touchScrollStep: 50
        });
        if (!$('.left-side-menu').hasClass('lsm-mini')) {
            $(this).parent("li").siblings("li.lsm-sidebar-item").children('ul').slideUp(200);
            if ($(this).next().css('display') == "none") {
                $(this).next('ul').slideDown(200);
                $(this).parent('li').addClass('lsm-sidebar-show').siblings('li').removeClass('lsm-sidebar-show');
            } else {
                $(this).next('ul').slideUp(200);
                $(this).parent('li').removeClass('lsm-sidebar-show');
            }
        }
    });
    $('.lsm-mini-btn svg').on('click',
    function() {
        if ($('.lsm-mini-btn input[type="checkbox"]').prop("checked")) {
            $('.lsm-sidebar-item.lsm-sidebar-show').removeClass('lsm-sidebar-show');
            $('.lsm-container ul').removeAttr('style');
            $('.left-side-menu').addClass('lsm-mini');
            $('.left-side-menu').stop().animate({
                 60
            },
            200);
        } else {
            $('.left-side-menu').removeClass('lsm-mini');
            $('.lsm-container ul ul').css("display", "none");
            $('.left-side-menu').stop().animate({
                 240
            },
            200);
        }
    });
    $(document).on('mouseover', '.lsm-mini .lsm-container ul:first>li',
    function() {
        $(".lsm-popup.third").hide();
        $(".lsm-popup.second").length == 0 && ($(".lsm-container").append("<div class='second lsm-popup lsm-sidebar'><div></div></div>"));
        $(".lsm-popup.second>div").html($(this).html());
        $(".lsm-popup.second").show();
        $(".lsm-popup.third").hide();
        var top = $(this).offset().top;
        var d = $(window).height() - $(".lsm-popup.second>div").height();
        if (d - top <= 0) {
            top = d >= 0 ? d - 8 : 0;
        }
        $(".lsm-popup.second").stop().animate({
            "top": top
        },
        100);
    });
    $(document).on('mouseover', '.second.lsm-popup.lsm-sidebar > div > ul > li',
    function() {
        if (!$(this).hasClass("lsm-sidebar-item")) {
            $(".lsm-popup.third").hide();
            return;
        }
        $(".lsm-popup.third").length == 0 && ($(".lsm-container").append("<div class='third lsm-popup lsm-sidebar'><div></div></div>"));
        $(".lsm-popup.third>div").html($(this).html());
        $(".lsm-popup.third").show();
        var top = $(this).offset().top;
        var d = $(window).height() - $(".lsm-popup.third").height();
        if (d - top <= 0) {
            top = d >= 0 ? d - 8 : 0;
        }
        $(".lsm-popup.third").stop().animate({
            "top": top
        },
        100);
    });
    $(document).on('mouseleave', '.lsm-mini .lsm-container ul:first, .lsm-mini .slimScrollBar,.second.lsm-popup ,.third.lsm-popup',
    function() {
        $(".lsm-popup.second").hide();
        $(".lsm-popup.third").hide();
    });
    $(document).on('mouseover', '.lsm-mini .slimScrollBar,.second.lsm-popup',
    function() {
        $(".lsm-popup.second").show();
    });
    $(document).on('mouseover', '.third.lsm-popup',
    function() {
        $(".lsm-popup.second").show();
        $(".lsm-popup.third").show();
    });
});

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  • 原文地址：https://www.cnblogs.com/chenyingying0/p/12848629.html
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