前言：

代码从其它站扒下来的，喜欢就点个赞吧。

注：这里只是固定的html，适合不长修改用户使用，需要后台功能请赞助子主题

美化图：

只有鼠标经过后才显示文字，默认显示图标

第一步：

打开主题Footer.php 文件(Modules/Templates/Footer.php)，在大约383行-481行，替换成以下代码，

替换成以下代码
<div class="aside-bar">
<div class="mi-newtop">
<div class="bar-middle">
<!---->
<div class="minewtop-vip">
<a target="_blank" href="/vips">
<div class="minewtop-list">
<i class="b2font b2-vip-crown-2-line ">
</i>
<span>
开通会员
</span>
</div>
</a>
</div>
<div class="minewtop">
<div class="minewtop-list">
<i class="b2font b2-user-heart-line ">
</i>
<span>
个人中心
</span>
</div>
<div class="minewtop-list">
<i class="b2font b2-shopping-cart-2-line ">
</i>
<span>
购物车
</span>
</div>
<div class="minewtop-list">
<i class="b2font b2-coupon-2-line ">
</i>
<span>
优惠劵
</span>
</div>
<div class="minewtop-list">
<i class="b2font b2-gift-2-line ">
</i>
<span>
今日签到
</span>
</div>
<div class="minewtop-list">
<i class="b2font b2-mail-send-line ">
</i>
<span>
私信列表
</span>
</div>
</div>
<div class="minewtop">
<div class="minewtop-list">
<i class="b2font b2-search-line ">
</i>
<span>
快速搜索
</span>
</div>
<div class="minewtop-list">
<i class="b2font b2-customer-service-2-line1 ">
</i>
<span>
在线客服
</span>
</div>
<span class="bar-item bar-qrcode">
<div class="minewtop-list">
<i class="b2font b2-qr-code-fill ">
</i>
<span>
关注我们
</span>
</div>
<div class="bar-item-desc bar-qrcode-box">
<ul>
<li class="b2-radius">
<img src="二维码图片">
<p>
扫码打开当前页
</p>
</li>
<li class="b2-radius">
<img src="公众号图片">
<p>
微信公众号
</p>
</li>
</ul>
</div>
</span>
</div>
<div class="minewtop">
<div id="return-top" class="minewtop-list" style="">
<i class="b2font b2-rocket-2-line ">
</i>
<span>
返回顶部
</span>
</div>
</div>
</div>
</div>
</div>

第二步：

在自定义css中添加以下代码：

/*newtop*/.floater-sidebar {
    width: 80px;
    position: fixed;
    bottom: 70px;
    right: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 4200;
}
.floater-sidebar .floater-sidebar-button, .floater-sidebar .floater-sidebar-buttons {
    width: 48px;
    height: 48px;
    background: #fff;
    box-shadow: 0 2px 6px rgba(82,141,229,.2);
    border-radius: 6px;
    margin-top: 8px;
    font-size: 0;
    display: block;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.floater-sidebar .iconfont {
    font-size: 20px;
}
.floater-sidebar .icon-huiyuan {
    font-size: 24px;
    color: #ff7819;
}
.floater-sidebar .bar-item {
    position: relative;
    cursor: pointer;
    text-align: center;
}
.floater-sidebar .bar-item-desc.bar-qrcode-box {
    bottom: -130px;
}
.floater-sidebar a:hover i.b2-qr-code-fill {
    color: #fff!important;
}
.floater-sidebar .bar-item i:hover {
    color: #ffffff;
}
.floater-sidebar a:hover i.icon-huiyuan {
    color: #fff!important;
}
.floater-sidebar .icon-kefu {
    font-size: 18px;
}
.floater-sidebar span a:hover {
    background-color: var(--b2color);
    color: #fff;
}
.mi-newtop .bar-user-info {
    height: 100%;
    overflow: auto;
    transition: padding-top .3s;
    padding-top: 36px;
}
.floater-sidebar .floater-sidebar-button:hover:after, .floater-sidebar .floater-sidebar-button:hover:before {
    display: block;
}
.floater-sidebar .floater-sidebar-button:before {
    content: attr(data-name);
    width: 92px;
    height: 44px;
    position: absolute;
    left: -112px;
    top: 2px;
    background: #fff;
    box-shadow: 0 2px 6px rgba(82,141,229,.2);
    border-radius: 6px;
    display: block;
    color: #323e54;
    font-size: 14px;
    font-weight: 500;
    line-height: 44px;
    text-align: center;
    display: none;
}
.floater-sidebar .floater-sidebar-button:after {
    content: "";
    width: 10px;
    height: 10px;
    position: absolute;
    left: -25px;
    top: 50%;
    margin-top: -5px;
    background: #fff;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    border-radius: 2px;
    display: none;
    box-shadow: 4px -4px 2px 0 rgba(82,141,229,.05);
}
.floater-sidebar .bar-qrcode-box li:first-child{
   visibility: hidden;
}

.container .mi-gnbn {
    height: 15px;
    padding: 0 5px 0 0;
    margin-top: -2px;
}
/*top样式2*/.mi-newtop {
    position: fixed;
    right: 16px;
    bottom: 32px;
    width: 44px;
    z-index: 1;
}
.minewtop {
    margin-top: 8px;
    width: 44px;
    background-color: #fff;
    border-radius: 4px;
    -webkit-box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.minewtop-vip {
    width: 44px;
    border: 0;
    color: #fff;
    border-radius: 4px;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#ff566a), to(#f84949));
    background-image: -o-linear-gradient(#ff566a, #f84949);
    background-image: linear-gradient(#ff566a, #f84949);
    font-size: 14px;
    padding: 4px 5px 10px;
    -webkit-box-shadow: 0 4px 8px rgba(248,73,73,0.24);
    box-shadow: 0 4px 8px rgba(248,73,73,0.24);
    cursor: pointer;
}
.minewtop-vip i {
    display: block;
    color: currentColor;
    font-size: 20px;
    margin-bottom: 2px;
    -webkit-transition: all 0.2s ease-in-out;
    -o-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}
.minewtop-vip span {
    display: block;
    line-height: 1.3;
    -webkit-transition: all 0.2s ease-in-out;
    -o-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}
.minewtop-vip:hover i {
    -webkit-transform: translateY(-4px);
    -ms-transform: translateY(-4px);
    transform: translateY(-4px);
    opacity: 0;
}
.minewtop-vip:hover span {
    -webkit-transform: translateY(-14px);
    -ms-transform: translateY(-14px);
    transform: translateY(-14px);
}
.minewtop .minewtop-list {
    display: block;
    text-align: center;
    padding: 0 5px;
    text-decoration: none;
    width: 100%;
    height: 44px;
    font-size: 12px;
    color: #080808;
    border: 0;
    background-color: transparent;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
}
.minewtop .minewtop-list i {
    display: block;
    font-size: 20px;
    height: 44px;
    line-height: 40px;
    -webkit-transition: all 0.2s ease-in-out;
    -o-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}
.minewtop .minewtop-list span {
    display: block;
    font-size: 12px;
    height: 44px;
    line-height: 1.3;
    padding-top: 6px;
    -webkit-transform: translate(0, -38px);
    -ms-transform: translate(0, -38px);
    transform: translate(0, -38px);
    opacity: 0;
    -webkit-transition: all 0.2s ease-in-out;
    -o-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}
.minewtop .minewtop-list:hover span {
    -webkit-transform: translate(0, -45px);
    -ms-transform: translate(0, -45px);
    transform: translate(0, -45px);
    opacity: 1;
}
.minewtop .minewtop-list:hover i {
    -webkit-transform: translate(0, -5px);
    -ms-transform: translate(0, -5px);
    transform: translate(0, -5px);
    opacity: 0;
}

第三步：

刷新缓存查看效果