bootstrap做后台左侧菜单滑动展开,包含二级菜单点击展开三级菜单

效果图:

 1.html+js部分:

<!2020-06-292020-06-292020-06-292020-06-29DOCTYPE html>

<html lang="zh">



<head>

    <meta charset="UTF-8">

    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Bootstrap3侧边栏滑动三级菜单</title>



      <link rel="stylesheet" href="css/bootstrap.css">

    <link rel="stylesheet" href="css/zhxtbc-swiper.css">

    <!-- <link rel="stylesheet" href="css/swiper.min.css"> -->

    <link rel="stylesheet" href="css/sidebar.css">



</head>



<body>



    <div id="wrapper" class="toggled">

        <div class="overlay"></div>



        <!-- sidebar -->

        <nav class="navbar navbar-inverse navbar-fixed-top" id="sidebar-wrapper" role="navigation">

            <ul class="nav" id="menu">

                <li class="nav-item sidebar-category guanbi">

                    <p class="title">

                        <span><img src="images/r-l.png"></span>维护管理<span><img src="images/r-r.png"></span>

                    </p>

                    <span></span>

                </li>

                <li class="nav-item list">

                    <a class="nav-link collapsed first_link" data-toggle="collapse" href="#ui-basic"

                        aria-expanded="false" aria-controls="ui-basic">

                        <i class="mdi mdi-palette menu-icon"></i>

                        <span class="menu-title">基本信息</span>

                        <i class="menu-arrow">

                            <img class="swich_menu" src="images/i_lmeu_class2.png" alt="">

                        </i>

                    </a>

                    <div class="collapse" id="ui-basic">

                        <ul class="nav flex-column sub-menu">

                            <li class="nav-item">

                                <a class="nav-link menu2" href="javascript:;">二级菜单&nbsp;&nbsp;&nbsp;> </a>

                                <ul class="collapseListGroup1" style="display:none">

                                    <li><a href="#">item 1</a></li>

                                    <li><a href="#">item 2</a></li>

                                    <li><a href="#">item 3</a></li>

                                    <li><a href="#">item 4</a></li>

                                </ul>

                            </li>

                            <li class="nav-item "> <a class="nav-link menu2" href="javascript:;">二级菜单&nbsp;&nbsp;&nbsp;>

                                </a>

                                <ul class="collapseListGroup1" style="display:none">

                                    <li><a href="#">item 2</a></li>

                                    <li><a href="#">item 2</a></li>

                                    <li><a href="#">item 2</a></li>

                                    <li><a href="#">item 2</a></li>

                                </ul>

                            </li>

                            <li class="nav-item"> <a class="nav-link" href="pages/ui-features/typography.html">二级菜单</a>

                            </li>

                            <li class="nav-item"> <a class="nav-link" href="pages/ui-features/typography.html">二级菜单</a>

                            </li>

                        </ul>

                    </div>

                </li>

                <li class="nav-item list">

                    <a class="nav-link first_link" data-toggle="collapse" href="#auth" aria-expanded="false"

                        aria-controls="auth">

                        <i class="mdi mdi-account menu-icon"></i>

                        <span class="menu-title">菜单</span>

                        <i class="menu-arrow">

                            <img class="swich_menu" src="images/i_lmeu_class2.png" alt="">

                        </i>



                    </a>

                    <div class="collapse" id="auth">

                        <ul class="nav flex-column sub-menu">

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/login.html"> 1 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/login-2.html">2 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/register.html"> 3 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/register-2.html"> 4 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/lock-screen.html"> 5 </a></li>

                        </ul>

                    </div>

                </li>

                <li class="nav-item list">

                    <a class="nav-link first_link" data-toggle="collapse" href="#jiben" aria-expanded="false"

                        aria-controls="jiben">

                        <i class="mdi mdi-account menu-icon"></i>

                        <span class="menu-title">菜单</span>

                        <i class="menu-arrow">

                            <img class="swich_menu" src="images/i_lmeu_class2.png" alt="">

                        </i>

                    </a>

                    <div class="collapse" id="jiben">

                        <ul class="nav flex-column sub-menu">

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/login.html"> 1 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/login-2.html">2 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/register.html"> 3 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/register-2.html"> 4 </a></li>

                            <li class="nav-item"> <a class="nav-link" href="pages/samples/lock-screen.html"> 5 </a></li>

                        </ul>

                    </div>

                </li>

            </ul>

        </nav>

        <!-- sidebar -->



        <div id="page-content-wrapper">

            <button type="button" class="hamburger is-open animated fadeInLeft" data-toggle="offcanvas">

                <!-- 箭头切换 -->

                <img class="on-off" src="images/i_lmeu_open.png" alt="">

            </button>

            <div class="container">

                <div class="bg_a row col-lg-12 main_bg">

                    <!--头部-->

                    <div class="row" style="margin-top: 2em;">

                        <!--左边-->

                        <div class="col-lg-3" style="background: #30b577;min-height: 800px">

                            内容1

                        </div>

                        <!--中间-->

                        <div class="col-lg-6" style="background: #e2a8e6;min-height: 800px">

                            内容2

                        </div>

                        <!--右边-->

                        <div class="col-lg-3" style="background: #ccc;min-height: 800px">



                            内容3

                        </div>



                    </div>

                </div>

            </div>

        </div>

    </div>

    <script src="js/jquery-1.11.3.min.js"></script>

    <script src="js/bootstrap.js"></script>

    <script type="text/javascript">

        $(document).ready(function () {

            $('.menu2').click(function () {

                var obj = $(this).next()

                obj.toggleClass("panel-collapse collapse").slideToggle();

            });

            var trigger = $('.hamburger'),

                overlay = $('.overlay'),

                isClosed = false;

            trigger.click(function () {

                hamburger_cross();

            });

             function hamburger_cross() {



                if (isClosed == false) {

                    overlay.hide();

                    trigger.removeClass('is-open');

                    trigger.addClass('is-closed');

                    $(".on-off").attr('src', 'images/i_lmeu_close.png')

                    isClosed = true;



                } else {

                    overlay.show();

                    trigger.removeClass('is-closed');

                    trigger.addClass('is-open');

                    isClosed = false;



                    $(".on-off").attr('src', 'images/i_lmeu_open.png')

                }

            }



            $('[data-toggle="offcanvas"]').click(function () {

                $('#wrapper').toggleClass('toggled');

            });



            $(".nav-item").click(function () {

                if ($(this).find('.collapse').hasClass("in")) {

                    $(this).find(".swich_menu").attr('src', 'images/i_lmeu_class2.png')

                } else {

                    $(this).find(".swich_menu").attr('src', 'images/i_lmeu_class.png')

                }

            })

        });

    </script>

</body>

</html>

2.css部分:

@media (min-width:1200px) {

	.col-lg-3 {

	width:30%!important;

}

}

@media (min-width:1200px) {

	.col-lg-6 {

	width:40%!important;

}

}

/* 导航 */

.nav-tabs {

	border-bottom:1px solid #2240d4;

	font-size:16px;

	height:3em;

	margin-top:.5em;

	font-weight:bold;

}

.nav-tabs > li {

	float:left;

	margin-bottom:-1px;

	margin:0 1.5em;

}

.nav-tabs > li.active > a > i {

	display:block;

	width:24px;

	height:24px;

	background:url(../images/icon_index.png);

	background-size:100%;

	float:left;

	margin-right:10px;

	background-repeat:no-repeat;

}

.nav-tabs > li.active > a {

	color:#fff;

	cursor:default;

	background-color:transparent;

	border-bottom:2px solid #fbe900!important;

	border:none;

	font-size:18px;

	height:2.7em;

}

.nav-tabs > li > a {

	margin-right:2px;

	line-height:1.42857143;

	border:1px solid transparent;

	border-radius:4px 4px 0 0;

	color:#fff;

	height:2.7em;

}

.nav-tabs > li > a:hover {

	border-bottom:2px solid #fbe900;

	border:none;

	height:2.7em;

}

.nav-tabs > li.active > a:hover,.nav-tabs > li.active > a:focus {

	color:#fff;

	cursor:default;

	background-color:transparent;

	border:none;

	border-bottom-color:#fbe900;

	height:2.7em;

}

.nav > li > a:hover,.nav > li > a:focus {

	text-decoration:none;

	background-color:transparent;

	color:#fff;

	height:3em;

}



.bg_a {

	background-color:#0849f9;

	background:url(../images/bg.png);

	background-repeat:repeat-x;

	background-size:100% 100%;

}

.nav_bd {

	background:url(../images/top_bg.png);

	background-repeat:no-repeat;

	background-size:100% 100%;

	margin-bottom:0;

}

.font-white {

	color:#fff;

}

.panel_bg {

	background:url(../images/col_bg.png);

	background-size:100% 100%;

	background-repeat:no-repeat;

	padding:2px;

}

.panel_bg2 {

	background:url(../images/panel_bg2.png);

	background-size:100% 100%;

	background-repeat:no-repeat;

	padding:3em 4em;

	position:relative;

}

.panel_bg3 {

	background:url(../images/panel_bg3.png);

	background-size:100% 100%;

	background-repeat:no-repeat;

	padding:2em 2em 2.8em 2em;

	!important /*非IE浏览器的*/

padding:2em 2em 1.4em 2em;

	/*IE浏览器*/

}

.logo {

	display:block;

	float:left;

	margin:2em 0 0 3em;

	color:#fff;

	width:22%;

}

.weather {

	display: block;

    float: right;

    margin: .5em 2em 0 3em;

}

.table > tbody > tr.singular > td {

	background-color:#1460a9;

	color:#fff;

	text-align:center;

}

.table > tbody > tr.even > td {

	background-color:#004798;

	color:#fff;

	text-align:center;

}

.table > thead > tr > th {

	vertical-align:bottom;

	background-color:#0968ae;

	text-align:center;

}

.panel_conbg {

	overflow:hidden;

	display:block;

	background-color:rgba(26,162,202,0.25);

	border:1px solid #5fa0fa;

	padding:0em 1em 0 1em;

	height:25.5em;

}

.panel_heading_bg {

	background-position:left;

	color:#b7efff;

	text-align:center;

	margin-bottom:1em;

	margin-top:.5em;

	font-size:16px;

}

.panel_heading_bg > span {

	margin:0 1em;

}

.del_padding {

	padding:0;

}

.del_margin {

	margin:0;

}

.map_nav {

	position:absolute;

	top:4em;

	z-index:9000;

	left:4.5em;

	overflow:hidden;

}

.map_nav ul {

	overflow:hidden;

	margin:0;

	padding:0;

}

.map_nav ul li {

	width:91px;

	height:28px;

	background:url(../images/nav_map_topbg.png);

	background-position:center;

	background-repeat:no-repeat;

	float:left;

	list-style:none;

	color:#fff;

	text-align:center;

	margin:5px .7em;

	line-height:28px;

}

.map_nav ul .checked {

	background:url(../images/nav_map_topbg_checked.png);

}

.map_left {

	width:22%;

	height:10em;

	position:absolute;

	left:5em;

	bottom:4em;

	overflow:hidden;

	background:url(../images/nav_map_leftbg.png);

	background-position:center;

	background-repeat:no-repeat;

	background-size:100% 100%;

	z-index:9001;

}

.map_left ul {

	overflow:hidden;

	margin:0;

	padding:0;

}

.map_left ul li {

	width:38%;

	float:left;

	list-style:none;

	color:#fff;

	text-align:left;

	margin:10px .7em 0 1em;

	display:-webkit-box;

}

.m_f_i1 {

	display:block;

	width:21px;

	height:23px;

	background:url(../images/nav_map_left_icon1.png);

	margin-right:5px}

.m_f_i2 {

	display:block;

	width:21px;

	height:23px;

	background:url(../images/nav_map_left_icon2.png);

	margin-right:5px}

.m_f_i3 {

	display:block;

	width:21px;

	height:23px;

	background:url(../images/nav_map_left_icon3.png);

	margin-right:5px}

.m_f_i4 {

	display:block;

	width:21px;

	height:23px;

	background:url(../images/nav_map_left_icon4.png);

	margin-right:5px}

.m_f_i5 {

	display:block;

	width:21px;

	height:23px;

	background:url(../images/nav_map_left_icon5.png);

	margin-right:5px}

.m_f_i6 {

	display:block;

	width:21px;

	height:23px;

	background:url(../images/nav_map_left_icon6.png);

	margin-right:5px}

.m_f_i7 {

	display:block;

	width:21px;

	height:23px;

	background:url(../images/nav_map_left_icon7.png);

	margin-right:5px}

.gl_info {

	display:block;

	width:100%;

	height:4.3em;

	border-radius:10px;

	margin-bottom:2em;

}

.gl_info img {

	width:13%;

	margin:.3em 1em;

	display:block;

	float:left;

}

.gl_info .tit {

	text-align:center;

	line-height:3.5em;

	font-size:16px;

	color:#fff;

	font-weight:bold;

	width:55%;

	float:left;

}

.gl_info .tit > span {

	color:#faf106;

	font-size:14px;

	font-weight:normal;

}

.gl_info:nth-child(1) {

	/* background:url(../images/info_bg1.png);

	*/

background-size:100% 100%;

	border:2px solid #95f5ff;

	background-color:#008cb0;

}

.gl_info:nth-child(2) {

	/* background:url(../images/info_bg2.png);

	*/

background-size:100% 100%;

	border:2px solid #fbcdb9;

	background-color:#f38b68;

}

.gl_info:nth-child(3) {

	/* background:url(../images/info_bg3.png);

	*/

background-size:100% 100%;

	border:2px solid #f2d6fd;

	background-color:#aa72ed;

}

.col_fff {

	color:#fff;

}

.font-center {

	text-align:center;

}

.qk_con1 {

	text-align:center;

	font-size:30px;

	background:url(../images/sbqk1_bg.png);

	background-size:52% 100%;

	background-repeat:no-repeat;

	background-position:center;

	height:2.5em;

}

.qk_con2 {

	text-align:center;

	font-size:30px;

	background:url(../images/sbqk2_bg.png);

	background-size:52% 100%;

	background-repeat:no-repeat;

	background-position:center;

	height:2.5em;

}

.wx-img {

	width:60%;

	overflow:hidden;

	float:left;

	height:8em;

	text-align:center;

}

.wx-img img {

	width:60%;

}

.font_18px {

	font-size:18px;

}

.font_14px {

	font-size:14px;

}

@media screen and (min-width:1240px) {

	.navbar {

	min-height:6em;

}

.main_bg {

}

}

@media screen and (min-width:1900px) {

	.gl_info {

	display:block;

	width:88%;

	height:5em;

	border-radius:10px;

	margin-bottom:2em;

	margin:0 auto 2em auto;

}

.gl_info .tit {

	line-height:4.5em;

}

.navbar {

	min-height:6em;

}

.main_bg {

}

.panel_bg {

	min-height:30rem;

	max-height:36rem;

	overflow:hidden;

}

.panel_bg2 {

	min-height:40rem;

}

}

@media screen and (min-width:1910px) {

	.bg_a {

	background-color:#0849f9;

}

}

@media screen and (max-width:700px) {

	.bg_a {

	background-color:#0849f9;

}

}

@media screen and (max-width:1200px) {

	.bg_a {

	background-color:#0849f9;

}

}

@media screen and (min-width:300px) {

	.gl_info img {

	width:25%;

	margin:.5em .5em;

	display:block;

	float:left;

}

.gl_info .tit {

	/* text-align:center;

	*/

line-height:5.5em;

	font-size:12px;

	color:#fff;

	width:62%;

	float:left;

	overflow:hidden;

	text-overflow:ellipsis;

	white-space:nowrap;

}

}

  


<!DOCTYPE html><html lang="zh"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Bootstrap3隐藏滑动侧边栏菜单代码</title>
<link rel="stylesheet" href="css/bootstrap.css"><link rel="stylesheet" href="css/zhxtbc-swiper.css"><link rel="stylesheet" href="css/swiper.min.css"><link rel="stylesheet" href="css/sidebar.css">
</head><body>
<div id="wrapper" class="toggled"><div class="overlay"></div>
<!-- Sidebar --><nav class="navbar navbar-inverse navbar-fixed-top" id="sidebar-wrapper" role="navigation"><ul class="nav" id="menu">            <li class="nav-item sidebar-category guanbi">              <p class="title">                <span><img src="images/r-l.png"></span>维护管理<span><img src="images/r-r.png"></span>              </p>              <span></span>            </li>            <li class="nav-item list">              <a class="nav-link collapsed first_link" data-toggle="collapse" href="#ui-basic" aria-expanded="false" aria-controls="ui-basic">                <i class="mdi mdi-palette menu-icon"></i>                <span class="menu-title">基本信息</span>                <i class="menu-arrow">                    <img class="swich_menu" src="images/i_lmeu_class2.png" alt="">                </i>              </a>              <div class="collapse" id="ui-basic" style="">                <ul class="nav flex-column sub-menu">                  <li class="nav-item">                     <a class="nav-link menu2" href="javascript:;">二级菜单&nbsp;&nbsp;&nbsp;> </a>                    <ul  class="collapseListGroup1" style="display:none">                        <li><a href="#">item 1</a></li>                        <li><a href="#">item 2</a></li>                        <li><a href="#">item 3</a></li>                        <li><a href="#">item 4</a></li>                    </ul>                  </li>                  <li class="nav-item "> <a class="nav-link menu2" href="javascript:;">二级菜单&nbsp;&nbsp;&nbsp;> </a>                  <ul class="collapseListGroup1" style="display:none">                        <li><a href="#">item 2</a></li>                        <li><a href="#">item 2</a></li>                        <li><a href="#">item 2</a></li>                        <li><a href="#">item 2</a></li>                    </ul>                  </li>                  <li class="nav-item"> <a class="nav-link" href="pages/ui-features/typography.html">二级菜单</a></li>                  <li class="nav-item"> <a class="nav-link" href="pages/ui-features/typography.html">二级菜单</a></li>                </ul>              </div>            </li>            <li class="nav-item list">              <a class="nav-link first_link" data-toggle="collapse" href="#auth" aria-expanded="false" aria-controls="auth">                <i class="mdi mdi-account menu-icon"></i>                <span class="menu-title">菜单</span>                <i class="menu-arrow">                    <img class="swich_menu" src="images/i_lmeu_class2.png" alt="">                </i>                             </a>              <div class="collapse" id="auth">                <ul class="nav flex-column sub-menu">                  <li class="nav-item"> <a class="nav-link" href="pages/samples/login.html"> 1 </a></li>                  <li class="nav-item"> <a class="nav-link" href="pages/samples/login-2.html">2 </a></li>                  <li class="nav-item"> <a class="nav-link" href="pages/samples/register.html"> 3 </a></li>                  <li class="nav-item"> <a class="nav-link" href="pages/samples/register-2.html"> 4 </a></li>                  <li class="nav-item"> <a class="nav-link" href="pages/samples/lock-screen.html"> 5 </a></li>                </ul>              </div>            </li>            <li class="nav-item list">                <a class="nav-link first_link" data-toggle="collapse" href="#jiben" aria-expanded="false" aria-controls="jiben">                  <i class="mdi mdi-account menu-icon"></i>                  <span class="menu-title">菜单</span>                  <!-- <i class="menu-arrow"></i> -->                  <i class="menu-arrow">                    <img class="swich_menu" src="images/i_lmeu_class2.png" alt="">                </i>                </a>                <div class="collapse" id="jiben">                  <ul class="nav flex-column sub-menu">                    <li class="nav-item"> <a class="nav-link" href="pages/samples/login.html"> 1 </a></li>                    <li class="nav-item"> <a class="nav-link" href="pages/samples/login-2.html">2 </a></li>                    <li class="nav-item"> <a class="nav-link" href="pages/samples/register.html"> 3 </a></li>                    <li class="nav-item"> <a class="nav-link" href="pages/samples/register-2.html"> 4 </a></li>                    <li class="nav-item"> <a class="nav-link" href="pages/samples/lock-screen.html"> 5 </a></li>                  </ul>                </div>              </li>          </ul></nav><!-- /#sidebar-wrapper -->
<!-- Page Content --><div id="page-content-wrapper">        <button type="button" class="hamburger is-open animated fadeInLeft" data-toggle="offcanvas">          <!-- 箭头切换 -->            <img class="on-off" src="images/i_lmeu_open.png" alt="">          </button><div class="container"><div class="bg_a row col-lg-12 main_bg">                <!--头部-->                <div class="row" style="margin-top: 2em;">                  <!--左边-->                  <div class="col-lg-3" style="background: #30b577;min-height: 800px">                 内容1                  </div>                  <!--中间-->                  <div class="col-lg-6" style="background: #e2a8e6;min-height: 800px">                   内容2                  </div>                  <!--右边-->                  <div class="col-lg-3" style="background: #ccc;min-height: 800px">                               内容3                  </div>                                  </div>              </div></div></div><!-- /#page-content-wrapper -->
</div><!-- /#wrapper --> <!-- Swiper JS --> <script src="js/swiper.min.js"></script>
 <!-- Initialize Swiper --> <script>   var swiper = new Swiper('.swiper-container', {     pagination: '.swiper-pagination',     slidesPerView: 2,     paginationClickable: true,     spaceBetween: 30,     autoplay: 2500,   }); </script><script src="js/jquery-1.11.3.min.js"></script><script src="js/bootstrap.js"></script><script type="text/javascript">

$(document).ready(function () {    $('.menu2').click(function () {        var obj =$(this).next()         obj.toggleClass("panel-collapse collapse").slideToggle();      });
  var trigger = $('.hamburger'),  overlay = $('.overlay'), isClosed = false;trigger.click(function () {  hamburger_cross();      });
function hamburger_cross() {
  if (isClosed == false) {          overlay.hide();trigger.removeClass('is-open');trigger.addClass('is-closed');            $(".on-off").attr('src','images/i_lmeu_close.png')            isClosed = true;  } else {   overlay.show();trigger.removeClass('is-closed');trigger.addClass('is-open');            isClosed = false;            $(".on-off").attr('src','images/i_lmeu_open.png')  }  }    $('[data-toggle="offcanvas"]').click(function () {$('#wrapper').toggleClass('toggled');  });  

      $(".nav-item").click(function(){          if($(this).find('.collapse').hasClass("in")){            $(this).find(".swich_menu").attr('src','images/i_lmeu_class2.png')          }else{            $(this).find(".swich_menu").attr('src','images/i_lmeu_class.png')          }      })});</script>

</body></html>

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转载自www.cnblogs.com/ting-0424/p/13206392.html
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