js+css实现自适应左侧抽屉式菜单栏弹出折叠效果代码-html代码-BFW代码库

代码语言：html
代码描述：js+css实现自适应左侧抽屉式菜单栏弹出折叠效果代码层次可折叠思维导图效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  

<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/remixicon.css">
<style>
    .layout {
  min-height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  position: relative;
  -webkit-box-flex: 1;
      -ms-flex-positive: 1;
          flex-grow: 1; }
  .layout.has-sidebar {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row; }
  .layout .header {
    -webkit-transition: width, 0.3s;
    transition: width, 0.3s;
    height: 64px;
    min-height: 64px;
    position: relative; }
  .layout .sidebar {
    width: 280px;
    min-width: 280px;
    -webkit-transition: width, left, right, 0.3s;
    transition: width, left, right, 0.3s; }
    .layout .sidebar.collapsed {
      width: 80px;
      min-width: 80px; }
    @media (max-width: 480px) {
      .layout .sidebar.break-point-xs {
        position: fixed;
        left: -280px;
        height: 100%;
        top: 0;
        z-index: 100; }
        .layout .sidebar.break-point-xs.collapsed {
          left: -80px; }
        .layout .sidebar.break-point-xs.toggled {
          left: 0; }
          .layout .sidebar.break-point-xs.toggled ~ .overlay {
            display: block; }
        .layout .sidebar.break-point-xs ~ .layout .header {
          width: 100% !important;
          -webkit-transition: none;
          transition: none; } }
    @media (max-width: 576px) {
      .layout .sidebar.break-point-sm {
        position: fixed;
        left: -280px;
        height: 100%;
        top: 0;
        z-index: 100; }
        .layout .sidebar.break-point-sm.collapsed {
          left: -80px; }
        .layout .sidebar.break-point-sm.toggled {
          left: 0; }
          .layout .sidebar.break-point-sm.toggled ~ .overlay {
            display: block; }
        .layout .sidebar.break-point-sm ~ .layout .header {
          width: 100% !important;
          -webkit-transition: none;
          transition: none; } }
    @media (max-width: 768px) {
      .layout .sidebar.break-point-md {
        position: fixed;
        left: -280px;
        height: 100%;
        top: 0;
        z-index: 100; }
        .layout .sidebar.break-point-md.collapsed {
          left: -80px; }
        .layout .sidebar.break-point-md.toggled {
          left: 0; }
          .layout .sidebar.break-point-md.toggled ~ .overlay {
            display: block; }
        .layout .sidebar.break-point-md ~ .layout .header {
          width: 100% !important;
          -webkit-transition: none;
          transition: none; } }
    @media (max-width: 992px) {
      .layout .sidebar.break-point-lg {
        position: fixed;
        left: -280px;
        height: 100%;
        top: 0;
        z-index: 100; }
        .layout .sidebar.break-point-lg.collapsed {
          left: -80px; }
        .layout .sidebar.break-point-lg.toggled {
          left: 0; }
          .layout .sidebar.break-point-lg.toggled ~ .overlay {
            display: block; }
        .layout .sidebar.break-point-lg ~ .layout .header {
          width: 100% !important;
          -webkit-transition: none;
          transition: none; } }
    @media (max-width: 1200px) {
      .layout .sidebar.break-point-xl {
        position: fixed;
        left: -280px;
        height: 100%;
        top: 0;
        z-index: 100; }
        .layout .sidebar.break-point-xl.collapsed {
          left: -80px; }
        .layout .sidebar.break-point-xl.toggled {
          left: 0; }
          .layout .sidebar.break-point-xl.toggled ~ .overlay {
            display: block; }
        .layout .sidebar.break-point-xl ~ .layout .header {
          width: 100% !important;
          -webkit-transition: none;
          transition: none; } }
    @media (max-width: 1600px) {
      .layout .sidebar.break-point-xxl {
        position: fixed;
        left: -280px;
        height: 100%;
        top: 0;
        z-index: 100; }
        .layout .sidebar.break-point-xxl.collapsed {
          left: -80px; }
        .layout .sidebar.break-point-xxl.toggled {
          left: 0; }
          .layout .sidebar.break-point-xxl.toggled ~ .overlay {
            display: block; }
        .layout .sidebar.break-point-xxl ~ .layout .header {
          width: 100% !important;
          -webkit-transition: none;
          transition: none; } }
  .layout .footer {
    height: 64px;
    min-height: 64px; }
  .layout .content {
    -webkit-box-flex: 1;
        -ms-flex-positive: 1;
            flex-grow: 1; }
  .layout .overlay {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 99;
    display: none; }
  .layout .sidebar-toggler {
    display: none; }
    @media (max-width: 480px) {
      .layout .sidebar-toggler.break-point-xs {
        display: initial; } }
    @media (max-width: 576px) {
      .layout .sidebar-toggler.break-point-sm {
        display: initial; } }
    @media (max-width: 768px) {
      .layout .sidebar-toggler.break-point-md {
        display: initial; } }
    @media (max-width: 992px) {
      .layout .sidebar-toggler.break-point-lg {
        display: initial; } }
    @media (max-width: 1200px) {
      .layout .sidebar-toggler.break-point-xl {
        display: initial; } }
    @media (max-width: 1600px) {
      .layout .sidebar-toggler.break-point-xxl {
        display: initial; } }
  .layout.fixed-sidebar {
    height: 100%; }
    .layout.fixed-sidebar .sidebar {
      height: 100%;
      overflow: auto; }
      .layout.fixed-sidebar .sidebar ~ .layout {
        height: 100%;
        overflow: auto; }
  .layout.fixed-header .header {
    position: fixed;
    width: 100%;
    z-index: 2; }
    .layout.fixed-header .header ~ .layout,
    .layout.fixed-header .header ~ .content {
      margin-top: 64px; }
  .layout.fixed-header.fixed-sidebar .header {
    width: calc(100% - 280px); }
  .layout.fixed-header.fixed-sidebar .sidebar.collapsed ~ .layout .header {
    width: calc(100% - 80px); }
  .layout.rtl {
    direction: rtl; }
    @media (max-width: 480px) {
      .layout.rtl .sidebar.break-point-xs {
        left: auto;
        right: -280px; }
        .layout.rtl .sidebar.break-point-xs.collapsed {
          left: auto;
          right: -80px; }
        .layout.rtl .sidebar.break-point-xs.toggled {
          left: auto;
          right: 0; } }
    @media (max-width: 576px) {
      .layout.rtl .sidebar.break-point-sm {
        left: auto;
        right: -280px; }
        .layout.rtl .sidebar.break-point-sm.collapsed {
          left: auto;
          right: -80px; }
        .layout.rtl .sidebar.break-point-sm.toggled {
          left: auto;
          right: 0; } }
    @media (max-width: 768px) {
      .layout.rtl .sidebar.break-point-md {
        left: auto;
        right: -280px; }
        .layout.rtl .sidebar.break-point-md.collapsed {
          left: auto;
          right: -80px; }
        .layout.rtl .sidebar.break-point-md.toggled {
          left: auto;
          right: 0; } }
    @media (max-width: 992px) {
      .layout.rtl .sidebar.break-point-lg {
        left: auto;
        right: -280px; }
        .layout.rtl .sidebar.break-point-lg.collapsed {
          left: auto;
          right: -80px; }
        .layout.rtl .sidebar.break-point-lg.toggled {
          left: auto;
          right: 0; } }
    @media (max-width: 1200px) {
      .layout.rtl .sidebar.break-point-xl {
        left: auto;
        right: -280px; }
        .layout.rtl .sidebar.break-point-xl.collapsed {
          left: auto;
          right: -80px; }
        .layout.rtl .sidebar.break-point-xl.toggled {
          left: auto;
          right: 0; } }
    @media (max-width: 1600px) {
      .layout.rtl .sidebar.break-point-xxl {
        left: auto;
        right: -280px; }
        .layout.rtl .sidebar.break-point-xxl.collapsed {
          left: auto;
          right: -80px; }
        .layout.rtl .sidebar.break-point-xxl.toggled {
          left: auto;
          right: 0; } }
</style>
<link rel='stylesheet' href='https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&amp;display=swap'>
  
<style>
.layout {
  z-index: 1;
}
.layout .header {
  display: flex;
  align-items: center;
  padding: 20px;
}
.layout .content {
  padding: 12px 50px;
  display: flex;
  flex-direction: column;
}
.layout .footer {
  text-align: center;
  margin-top: auto;
  margin-bottom: 20px;
  padding: 20px;
}

.sidebar {
  color: #7d84ab;
  overflow-x: hidden !important;
  position: relative;
}
.sidebar::-webkit-scrollbar-thumb {
  border-radius: 4px;
}
.sidebar:hover::-webkit-scrollbar-thumb {
  background-color: #1a4173;
}
.sidebar::-webkit-scrollbar {
  width: 6px;
  background-color: #0c1e35;
}
.sidebar .image-wrapper {
  overflow: hidden;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  display: none;
}
.sidebar .image-wrapper > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.sidebar.has-bg-image .image-wrapper {
  display: block;
}
.sidebar .sidebar-layout {
  height: auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: #0c1e35;
  z-index: 2;
}
.sidebar .sidebar-layout .sidebar-header {
  height: 100px;
  min-height: 100px;
  display: flex;
  align-items: center;
  padding: 0 20px;
}
.sidebar .sidebar-layout .sidebar-header > span {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.sidebar .sidebar-layout .sidebar-content {
  flex-grow: 1;
  padding: 10px 0;
}
.sidebar .sidebar-layout .sidebar-footer {
  height: 230px;
  min-height: 230px;
  display: flex;
  align-items: center;
  padding: 0 20px;
}
.sidebar .sidebar-layout .sidebar-footer > span {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

@keyframes swing {
  0%, 30%, 50%, 70%, 100% {
    transform: rotate(0deg);
  }
  10% {
    transform: rotate(10deg);
  }
  40% {
    transform: rotate(-10deg);
  }
  60% {
    transform: rotate(5deg);
  }
  80% {
    transform: rotate(-5deg);
  }
}
.layout .sidebar .menu ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
.layout .sidebar .menu .menu-header {
  font-weight: 600;
  padding: 10px 25px;
  font-size: 0.8em;
  letter-spacing: 2px;
  transition: opacity 0.3s;
  opacity: 0.5;
}
.layout .sidebar .menu .menu-item a {
  display: flex;
  align-items: center;
  height: 50px;
  padding: 0 20px;
  color: #7d84ab;
}
.layout .sidebar .menu .menu-item a .menu-icon {
  font-size: 1.2rem;
  width: 35px;
  min-width: 35px;
  height: 35px;
  line-height: 35px;
  text-align: center;
  display: inline-block;
  margin-right: 10px;
  border-radius: 2px;
  transition: color 0.3s;
}
.layout .sidebar .menu .menu-item a .menu-icon i {
  display: inline-block;
}
.layout .sidebar .menu .menu-item a .menu-title {
  font-size: 0.9em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-grow: 1;
  transition: color 0.3s;
}
.layout .sidebar .menu .menu-item a .menu-prefix,
.layout .sidebar .menu .menu-item a .menu-suffix {
  display: inline-block;
  padding: 5px;
  opacity: 1;
  transition: opacity 0.3s;
}
.layout .sidebar .menu .menu-item a:hover .menu-title {
  color: #dee2ec;
}
.layout .sidebar .menu .menu-item a:hover .menu-icon {
  color: #dee2ec;
}
.layout .sidebar .menu .menu-item a:hover .menu-icon i {
  animation: swing ease-in-out 0.5s 1 alternate;
}
.layout .sidebar .menu .menu-item a:hover::after {
  border-color: #dee2ec !important;
}
.layout .sidebar .menu .menu-item.sub-menu {
  position: relative;
}
.layout .sidebar .menu .menu-item.sub-menu > a::after {
  content: "";
  transition: transform 0.3s;
  border-right: 2px solid currentcolor;
  border-bottom: 2px solid currentcolor;
  width: 5px;
  height: 5px;
  transform: rotate(-45deg);
}
.layout .sidebar .menu .menu-item.sub-menu > .sub-menu-list {
  padding-left: 20px;
  display: none;
  overflow: hidden;
  z-index: 999;
}
.layout .sidebar .menu .menu-item.sub-menu.open > a {
  color: #dee2ec;
}
.layout .sidebar .menu .menu-item.sub-menu.open > a::after {
  transform: rotate(45deg);
}
.layout .sidebar .menu .menu-item.active > a .menu-title {
  color: #dee2ec;
}
.layout .sidebar .menu .menu-item.active > a::after {
  border-color: #dee2ec;
}
.layout .sidebar .menu .menu-item.active > a .menu-icon {
  color: #dee2ec;
}
.layout .sidebar .menu > ul > .sub-menu > .sub-menu-list {
  background-color: #0b1a2c;
}
.layout .sidebar .menu.icon-shape-circle .menu-item a .menu-icon, .layout .sidebar .menu.icon-shape-rounded .menu-item a .menu-icon, .layout .sidebar .menu.icon-shape-square .menu-item a .menu-icon {
  background-color: #0b1a2c;
}
.layout .sidebar .menu.icon-shape-circle .menu-item a .menu-icon {
  border-radius: 50%;
}
.layout .sidebar .menu.icon-shape-rounded .menu-item a .menu-icon {
  border-radius: 4px;
}
.layout .sidebar .menu.icon-shape-square .menu-item a .menu-icon {
  border-radius: 0;
}
.layout .sidebar:not(.collapsed) .menu > ul > .menu-item.sub-menu > .sub-menu-list {
  visibility: visible !important;
  position: static !important;
  transform: translate(0, 0) !important;
}
.layout .sidebar.collapsed .menu > ul > .menu-header {
  opacity: 0;
}
.layout .sidebar.collapsed .menu > ul > .menu-item > a .menu-prefix,
.layout .sidebar.collapsed .menu > ul > .menu-item > a .menu-suffix {
  opacity: 0;
}
.layout .sidebar.collapsed .menu > ul > .menu-item.sub-menu > a::after {
  content: "";
  width: 5px;
  height: 5px;
  background-color: currentcolor;
  border-radius: 50%;
  display: inline-block;
  position: absolute;
  right: 10px;
  top: 50%;
  border: none;
  transform: translateY(-50%);
}
.layout .sidebar.collapsed .menu > ul > .menu-item.sub-menu &g.........完整代码请登录后点击上方下载按钮下载查看