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HomeBackend DevelopmentPHP Tutorialjavascript - 求助!!! Html Css Footer的设置

要求

  • 1.网页内容少时,footer再浏览器的底部,如下图

javascript - 求助!!! Html Css Footer的设置

  • 2.网页内容多时,浏览内容时(未浏览到底部)footer不可见,如下图

javascript - 求助!!! Html Css Footer的设置

  • 3.网页内容多时,浏览内容时(浏览底部)footer可见,如下图

javascript - 求助!!! Html Css Footer的设置

回复内容:

要求

  • 1.网页内容少时,footer再浏览器的底部,如下图

javascript - 求助!!! Html Css Footer的设置

  • 2.网页内容多时,浏览内容时(未浏览到底部)footer不可见,如下图

javascript - 求助!!! Html Css Footer的设置

  • 3.网页内容多时,浏览内容时(浏览底部)footer可见,如下图

javascript - 求助!!! Html Css Footer的设置

請搜尋sticky footer 有很多css就能做掉的方式 在能夠只顧支援flexbox的情況 我是用這個超清爽的方式 連結

将footer固定在页面底部的实现方法

同求,之前采用 JS 动态计算,踩过不少坑。后来直接改为中间 content 设了个最小高度

footer: function() {
        var footerHeight = 0,
            footerTop = 0,
            $footer = $(".footer");
        positionFooter();
        //定义positionFooter function
        function positionFooter() {
            //取到div#footer高度
            footerHeight = $footer.height();
            //div#footer离屏幕顶部的距离
            footerTop = ($(window).scrollTop() + $(window).height() - footerHeight) + "px";
            /* DEBUGGING STUFF
                console.log("Document height: ", $(document.body).height());
                console.log("Window height: ", $(window).height());
                console.log("Window scroll: ", $(window).scrollTop());
                console.log("Footer height: ", footerHeight);
                console.log("Footer top: ", footerTop);
                console.log("-----------")
            */
            //如果页面内容高度小于屏幕高度,div#footer将绝对定位到屏幕底部,否则div#footer保留它的正常静态定位
            if (($(document.body).height() + footerHeight) < $(window).height()) {
                $footer.css({
                    position: "absolute",
                    top: footerTop,
                });
            } else {
                $footer.css({
                    position: "static"
                });
            }
        }

bootsrap官网下面有一个插件 好像是handroom(具体忘记了)用于固定header的,footer应该也可以

谢谢大家,问题解决了,方法有好多
但是我在html中用的margin太多了,导致页面无法完美100%显示⊙﹏⊙b汗
最后用padding加上sticky footer的方法解决了

参考1
参考2
参考3

JS根据document的scrollTop与document.height-window.height的差,改footer的position:是relative还是fixed;~

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