“返回顶部”在网页页面上非常实用,一般主题都没有自带该按钮。可以自己DIY一个。
添加步骤,打开博客的后台管理,依次进入“外观”,“编辑”,打开“footer.php”,在</body>之间添加如下代码,注意替换图片地址(斜体部分)以匹配特定主题。
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<div id="full" style="width:88px; height:88px; position:fixed; right:0px; bottom:0px; margin-left:0px; margin-bottom:0px; z-index:100; text-align:center; cursor:pointer;"> <a> <img src="https://defcon.cn/wp-content/uploads/2020/12/top.png" border=0 width="48px" width="48px" alt="返回顶部"> </a> </div> <script type="text/javascript"> var isie6 = window.XMLHttpRequest ? false: true; function newtoponload() { var c = document.getElementById("full"); function b() { var a = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop; if (a > 0) { if (isie6) { c.style.display = "none"; clearTimeout(window.show); window.show = setTimeout(function() { var d = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop; if (d > 0) { c.style.display = "block"; c.style.top = (400 + d) + "px" } }, 300) } else { c.style.display = "block" } } else { c.style.display = "none" } } if (isie6) { c.style.position = "absolute" } window.onscroll = b; b() } if (window.attachEvent) { window.attachEvent("onload", newtoponload) } else { window.addEventListener("load", newtoponload, false) } document.getElementById("full").onclick = function() { window.scrollTo(0, 0) }; </script> |
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喜欢就支持以下吧