给WordPress博客添加返回顶部/底部的教程

<div class="gotop">
	<a id="top"><i class="iconfont icon-arrow-up"></i></a>
	<a href="<?php echo $gotop['qq_url']?>" rel="external nofollow"  rel='nofollow' class="uk-display-block b-b"><i class="iconfont icon-qq"></i></a>
	<a class="wechat"><i class="iconfont icon-wechat"></i></a>
	<a href="https://www.baidu.com/baidu?word=wptoo%E6%95%99%E7%A8%8B%E7%BD%91" rel="external nofollow"   rel='nofollow'><i class="iconfont icon-resonserate-fill"></i></a>
	<a id="footer"><i class="iconfont icon-arrow-down"></i></a>
</div>
<div class="gotop-pop">
	<div class="gotop-pop-main">
		<div class="gotop-pop-box uk-overflow-hidden">
			<h3>微信</h3>
			<i class="iconfont icon-icon-test25 gotop-pop-box-close"></i>
			<img src="https://www.zhankr.net/wp-content/uploads/2020/02/2020020408254925.jpg" />
		</div>
	</div>
</div>

<link rel="stylesheet" href="https://at.alicdn.com/t/font_1557485_rig7wtgjqd.css" rel="external nofollow"  />

<script>
	$(window).scroll(function() {
		var scroll_top = $(window).scrollTop();
		if(scroll_top >= 200) {
			$(".gotop").fadeIn();
		} else {
			$(".gotop").fadeOut();
		}
	});
	$("#top").click(function() {
		$("html,body").finish().animate({
			"scrollTop": $(".top").offset().top
		}, 500);
	});
	$("#footer").click(function() {
		$("html,body").finish().animate({
			"scrollTop": $(".bottom").offset().top
		}, 500);
	});
	$('.wechat').click(function() {
		$('.gotop-pop').toggle();
	});
	$('.gotop-pop-box-close').click(function() {
		$('.gotop-pop').hide()
	});
</script>

/*
* ------------------------------------------------------------------------------
* 返回顶部样式
* ------------------------------------------------------------------------------
*/

.gotop {
	position: fixed;
	bottom: 0;
	right: 0;
	margin: 30px;
	display: none;
	overflow: hidden;
	border-radius: 4px;
	border: 1px solid #eee;
}

.gotop a {
	display: block;
	padding: 10px 13px;
	background-color: #fff;
	transition: all .3s ease;
	color: #888;
	background: #fff;
	border-bottom: 1px solid #eee;
	text-decoration: none;
	cursor: pointer;
}

.gotop a:hover {
	color: #fff;
	background: #2c63ff;
	box-shadow: -3px 2px 10px -2px #2c63ff;
	transform: translateY(-3px);
	border: 0
}

.gotop a:last-child {
	border: 0
}

.gotop i {
	font-size: 18px
}

.gotop-pop {
	position: fixed;
	width: 100%;
	height: 100%;
	background: #00000030;
	display: none;
	top: 0;
	transition: all .3s;
}

.gotop-pop-main {
	position: relative;
	max-width: 600px;
	margin: 10% auto;
	padding: 15px;
	animation: fadeinB .6s infinite;
	-moz-animation: fadeinB .6s infinite;
	/* Firefox */
	-webkit-animation: fadeinB .6s infinite;
	/* Safari and Chrome */
	-o-animation: fadeinB 1s infinite;
	/* Opera */
	animation-iteration-count: 1;
	-webkit-animation-iteration-count: 1;
	/* Safari 和 Chrome */
}

.gotop-pop-box {
	background: #fff;
	padding: 20px;
	text-align: center;
}

.gotop-pop-box h3 {
	text-align: center;
}
.gotop-pop-box-close {
	position: absolute;
	right: 0;
	top: 0;
	font-size: 24px;
	color: #aaa;
}
@keyframes fadeinB {
	0% {
		transform: translateY(20px);
		opacity: 0;
		filter: Alpha(opacity=0);
	}
	100% {
		transform: translateY(0px);
		opacity: 1;
		filter: Alpha(opacity=1);
	}
}

.fadeinB {
	animation: fadeinB .6s infinite;
	-moz-animation: fadeinB .6s infinite;
	/* Firefox */
	-webkit-animation: fadeinB .6s infinite;
	/* Safari and Chrome */
	-o-animation: fadeinB 1s infinite;
	/* Opera */
	animation-iteration-count: 1;
	-webkit-animation-iteration-count: 1;
	/* Safari 和 Chrome */
}