CSS 粘性页脚在 8250 BlackBerry 设备上不起作用

发布于 2024-10-06 19:25:46 字数 2074 浏览 11 评论 0原文

我希望我正在开发的移动网站上的页脚能够粘在页面底部。我找到了 Ryan Fait 的 CSS Sticky Footer 示例并实现了它。在我可以测试的每个浏览器上，我发现页脚很好地粘在底部。

然后，事情发生了。客户抱怨页脚到处都是。在痛苦地索取详细信息后，我发现该问题仅出现在一种型号的 BlackBerry 移动设备上：8250 型号。我拿出一个 Windows VM，下载并安装了 BlackBerry 8250 模拟器，果然，我看到了问题。

对于两个黑莓屏幕高度的页面，页脚粘在第一个屏幕的中间，位于其他所有内容的顶部。滚动时页脚不会移动，如果向下滚动到页面的下半部分，页脚将不可见。它保持固定在顶部屏幕的中间。

我将把 HTML 和 CSS 发布到这个问题的末尾。如果我能得到任何关于 8250 BlackBerry 型号上发生这种情况的指示或线索，尤其是如何修复它，我将非常非常感激。

谢谢你！

<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> 
        <meta name="viewport" content="width=320; initial-scale=1.0; maximum-scale=1.0; user-scalable=yes;"/>
        <style type="text/css">
            * { margin: 0; padding: 0; }
            html { height: 100%; }
            body { height: 100%; }
            .page { 
                width: 100%; 
                min-height: 100%;
                height: auto !important;
                height: 100%;
                margin: 0 auto -4em;
            }
            .push {
                height: 4em;
            }
            #footer {
                clear: both;
                position: relative;
                z-index: 10;
                height: 4em;
                margin-top: -4em;
                text-align: center;
            }
        </style>
    </head>
    <body>
        <div class="page">
            <!-- lots of other DIVs here for actual content -->
            <div class="push"></div>
        </div>
        <div id="footer">
            <!-- footer content over here -->
        </div>
    </body>
</html>

我发现了这个jQuery Sticky Footer hack。我不太确定人们是否会建议我这样做。不过我还没有测试过。

更新：这是一个小更新，说的是我玩弄了上面链接的 jQuery Sticky Footer hack。它也不适用于提到的黑莓设备。

原文

I wanted the footer on a mobile site I was working on to stick to the bottom of the page. I found the CSS Sticky Footer example by Ryan Fait and implemented it. On every browser I could conceivably test, I found the footer to stick nicely to the bottom.

And, then it happened. The clients complained about the footer throwing itself all over the place. On painfully requesting details, I found out that the problem occurred on only one model of BlackBerry mobile devices: the 8250 model. I pulled out a Windows VM, downloaded and installed the BlackBerry 8250 simulator, and sure enough, I saw the problem.

For a page the height of two BlackBerry screens, the footer sticks to the middle of the first screen, on top of everything else. The footer does not move as you scroll, and if you scroll down to the lower half of the page, the footer is not visible. It stays fixed to the middle of the top screen.

I will post the HTML and CSS to the end of this question. If I could get any pointers or clues as to why this is happening on the 8250 BlackBerry model, and not least, how it could be fixed, I would be very very grateful.

Thank you!

<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> 
        <meta name="viewport" content="width=320; initial-scale=1.0; maximum-scale=1.0; user-scalable=yes;"/>
        <style type="text/css">
            * { margin: 0; padding: 0; }
            html { height: 100%; }
            body { height: 100%; }
            .page { 
                width: 100%; 
                min-height: 100%;
                height: auto !important;
                height: 100%;
                margin: 0 auto -4em;
            }
            .push {
                height: 4em;
            }
            #footer {
                clear: both;
                position: relative;
                z-index: 10;
                height: 4em;
                margin-top: -4em;
                text-align: center;
            }
        </style>
    </head>
    <body>
        <div class="page">
            <!-- lots of other DIVs here for actual content -->
            <div class="push"></div>
        </div>
        <div id="footer">
            <!-- footer content over here -->
        </div>
    </body>
</html>

I found this jQuery Sticky Footer hack. I am not too sure of whether this is going to be something people would suggest I should go with. I've not tested it yet, though.

Update: This is a small update to say that I toyed with the jQuery Sticky Footer hack linked right above. It didn't work for the BlackBerry device mentioned, either.

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疧_╮線 2024-10-13 19:25:46

在尝试了几种不同的方法之后，我偶然发现了 CSSStickyFooter 解决方案。我实现了它，发现它在有问题的黑莓设备以及我测试过的其他设备上运行良好。我将粘贴下面的 HTML 和 CSS 代码：

<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> 
        <meta name="viewport" content="width=320; initial-scale=1.0; maximum-scale=1.0; user-scalable=yes;"/>
        <title>Another CSS Sticky Footer that works on Black Berry</title>
        <style type="text/css">
            * {
                margin: 0;
                padding: 0;
            }

            html { 
                height: 100%;
            }

            body {
                height: 100%;
            }

            .page {
                width: 100%;
                min-height: 100%;
            }

            .push {
                padding-bottom: 4em;
                overflow: auto;
            }

            #footer {
                position: relative;
                margin-top: -4em;
                height: 4em;
                clear: both;

                background-color: red;
            }
        </style>
    </head>

    <body>
        <div class="page">
            <div id="content">
                <p>Some body content will come here</p>
                <p>And over here as well.</p>
            </div>
            <div class="push"></div>
        </div>
        <div id="footer">
            <p>This is the footer block.</p>
        </div>
    </body>
</html>

After trying a couple of different things, I stumbled into the CSSStickyFooter solution. I implemented it and found it to work well on the Black Berry device in question, along with the rest of everything I have tested it on. I am going to paste the HTML and CSS code below:

<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> 
        <meta name="viewport" content="width=320; initial-scale=1.0; maximum-scale=1.0; user-scalable=yes;"/>
        <title>Another CSS Sticky Footer that works on Black Berry</title>
        <style type="text/css">
            * {
                margin: 0;
                padding: 0;
            }

            html { 
                height: 100%;
            }

            body {
                height: 100%;
            }

            .page {
                width: 100%;
                min-height: 100%;
            }

            .push {
                padding-bottom: 4em;
                overflow: auto;
            }

            #footer {
                position: relative;
                margin-top: -4em;
                height: 4em;
                clear: both;

                background-color: red;
            }
        </style>
    </head>

    <body>
        <div class="page">
            <div id="content">
                <p>Some body content will come here</p>
                <p>And over here as well.</p>
            </div>
            <div class="push"></div>
        </div>
        <div id="footer">
            <p>This is the footer block.</p>
        </div>
    </body>
</html>

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