复杂的 CSS 定位答案

【问题标题】：Complex CSS positioning复杂的 CSS 定位
【发布时间】：2015-02-14 12:01:11
【问题描述】：

我想用 CSS 实现这个定位：

但经过几天的尝试，我得到的最好的是：

你能帮我实现那个定位吗，考虑到：

“try”图片（参见下面的 JSFiddle）中的红色 cmets 表示一些主要限制
该定位应适用于 IE8+、FF10+、Chrome、Opera、Safari（使用 CSSPie 和 selectivizr 以实现 IE8 兼容性）

这是 JSFiddle 和代码：

HTML

<body>body (all divs may have some padding, some margin and some border. All divs adjust their height to their content.)
<div id="globalcontainer"><span class="important">#globalcontainer (fixed width, not really centered into body : see center)</span>
  <div id="header">#header (100%)</div>
<div id="middle">#middle (100%)
  <div id="left">
    <span class="important">#left (on the left of content, with a fixed min-width.<br>
     <br>
 Width adjusted to content if content &gt; min-width. <br>
<br>
      If left+right+center min-width &gt; global container width, then still adjusts its size to its content and goes outside globalcontainer limits.<br>
<br>
      Inner divs have variable (and unknown) width, sticked to the right)</span>
      <br>
      <DIV class="bloc" style="width:300px;">bloc</div>
      <DIV class="bloc" style="width:50px;">bloc</div>
      <DIV class="bloc" style="width:500px;">bloc</div>
  </div>
  <div id="center"><span class="important">#center (width adjusted to globalcontainer size - left size - right size, with a fixed min-width.<br>
      <br>
      Stays centered on the screen whatever the left or right size are<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; --&gt; if left or right divs are not present in the HTML (or present with display:none), center div stays on the center of the screen)</span>
    <div id="center-middlerow">#center-middlerow (100%)
      <div id="pageReceiver">#pageReceiver (100%)
        <div id="page">#page (100%)<br>
          <div id="pageHeader">#pageHeader (100%)</div>
          <div id="pageContent">#pageContent (100%)</div>
        </div>
        <div id="tip" style="display: block;">#tip (under page)</div>
      </div>
      <div style="text-align:center" id="center-bottomrow">#center-bottomrow (100%)</div>
    </div>
    <div id="right"><span class="important">#right (on the right of content, with a fixed min-width.<br>
<br>
Width adjusted to content if content &gt; min-width. <br>
<br>
If left+right+center min-width &gt; global container width, then still adjusts its size to its content and goes outside globalcontainer limits.<br>
<br>
Inner divs have variable (and unknown) width, sticked to the right )</span>
      <br>
      <DIV class="bloc" style="width:30px;">bloc</div>
      <DIV class="bloc" style="width:60px;">bloc</div>
      <DIV class="bloc" style="width:90px;">bloc</div>
  </div>
  </div>
</div>
<div id="footer">#footer (100%)</div>
</div>
</body>

CSS

* {
    font-family:Arial;
    font-size:11px;
    border:1px solid black;
    padding:10px;

    box-sizing:border-box;
    -moz-box-sizing:border-box;
    -webkit-box-sizing:border-box;

    background-color:rgba(125,125,125,0.1); 
}

span {
    border:0px;
    padding:0px;
    background-color:transparent;
}

span.important {
    color:red;
    font-weight:bold;
}
html {
    border:0px;
    padding:0px;
    background-color:white;
}

/* Real CSS starting here */
BODY {
    padding:20px;
    padding-bottom:0px;
}

#globalcontainer, #left, #center, #right , #header, #footer {
    margin:auto;
    background-color:transparent;
    display:table;
}

/* ====================================================== */

#globalcontainer {
    min-width:1130px;
    max-width:1130px;
    width:100%;
    vertical-align:top;
}

#header {
    margin-bottom:10px;
    vertical-align:top;
    width:100%;
}

#middle {
    display: table;
    vertical-align:top;
}

#footer {
    margin-top:10px;
    vertical-align:top;
    text-align:center;
    width:100%;
}

/* ====================================================== */

#left {
    vertical-align:top;
    float:left;
    padding-right:20px;
}

#center {
    vertical-align:top;
    display: table-cell;
    width:100%;
}

#center-toprow {
    padding:10px;
    padding-top:0px;
}

#center-middlerow {
}

#center-bottomrow {
    padding:5px;
    margin-top:30px;
}

#right {
    vertical-align:top;
    float:right;
    padding-left:20px;
}


#left DIV.bloc {
    float:right;
    white-space:nowrap;
}

#right DIV.bloc {
    float:left;
    white-space:nowrap;
}

/* ====================================================== */

#pageReceiver {
    margin:auto;
    width:100%;
}

#page {
    cursor:default;
    background-color:#F8F8F8;
    border:1px solid black;
    padding:20px;
    width:100%;
    position:relative;
    min-height:591px;
}

#pageHeader {
    margin:auto;
    margin-bottom:15px;

    display: -moz-inline-stack;
    display: inline-block;
    *display: inline;
}

#tip {
    margin-top:5px;
    margin-left:20px;
    margin-right:20px;
    padding:5px;
    background-color:transparent;

    -webkit-border-radius: 0px;
    -moz-border-radius: 0px;
    border-radius: 0px;
}

【问题讨论】：

一个问题：#center 总是高于#left 和#right 吗？
@chadocat ：中心始终与左右处于同一水平。在实际情况下，第一个 .bloc 与 pageHeader 处于同一级别。

标签： css html css-position

【解决方案1】：

使用边框盒模型是正确的方法。

这是我经常使用的结构：demo

它使用一些带有position: relative; 和自定义填充的包装器div，包含带有height: 100%; 和overflow :auto; 的绝对定位元素。

它需要调整，但你会明白要点的。

HTML

<div id="globalcontainer">
    <div id="global-wrapper">
    <div id="header"></div>
    <div id="middle">
        <div id="middle-wrapper">
            <div id="left">
                <div class="bloc"></div>
                <div class="bloc"></div>
                <div class="bloc"></div>
            </div>
            <div id="center-wrapper">
                <div id="center">
                    <div id="center-middlerow"></div>
                    <div id="center-bottomrow"></div>
                </div>
            </div>
            <div id="right">
                <div class="bloc"></div>
                <div class="bloc"></div>
                <div class="bloc"></div>
            </div>
        </div>
    </div>
    <div id="footer"></div>
    </div>
</div>

CSS

*,
*:before,
*:after{
    box-sizing:border-box;
    -moz-box-sizing:border-box;
    -webkit-box-sizing:border-box;
}
div{
    border: 1px solid black;
    padding: 10px;
}
html,
body{
    height: 100%;
}
#globalcontainer{
    height: 100%;
}
#global-wrapper{
    padding: 100px 10px;
    position: relative;
    border: none;
    height: 100%;
}
#header,
#footer{
    position: absolute;
    width: 100%;
    height: 100px;
    left: 0;
}
#header{
    top: 0;
}
#middle{
    height: 100%;
}
#middle-wrapper{
    position: relative;
    padding: 0px 200px;
    border: none;
    height: 100%;
}
#left,
#right{
    position: absolute;
    width: 200px;
    height: 100%;
    top: 0;
    background:#F0F0F0;
    overflow: auto;
}
#left{
    left: 0;
}
#right{
    right: 0;
}
#center{
    height: 100%;
}
#center-wrapper{
    border: none;
    padding: 0px 10px;
    height: 100%;
}
.block{
    background: #fff;
}

【讨论】：

【解决方案2】：

对于如此复杂的布局，除了border-box，您还需要仔细调整尺寸以获得所需的外观。

检查这个小提琴：http://jsfiddle.net/SXJuT/（希望它看起来像你的截图）

全屏：http://jsfiddle.net/SXJuT/embedded/result/

CSS：

html, body { margin:0; padding: 0; height: 100%; width: 100%; overflow: hidden; font-size: 9px; }
div { border: 1px solid blue; box-sizing: border-box; padding: 2px; margin: 4px; }
#globalcontainer { width: 99%; height: 98%; background-color: #deebf7; }
#header { height: 5%; background-color: #d1e4f3; }
#middle { height: 86%; background-color: #d1e4f3; display: table; border-spacing: 4px; width: 99%; }
#footer { height: 5%; background-color: #d1e4f3; }
#left, #center, #right { display: table-cell; background-color: #c4ddf1; }
#left { width: 14%; }
#center { width: 68%; }
#right {  width: 14%; }
#center-middlerow { height: 80%; background-color: #bad5eb; }
#center-bottomrow { height: 20%; background-color: #bad5eb; }
#pageReceiver { height: 78%; background-color: #b1d0ec; }
#tip { height: 16%; background-color: #b1d0ec; }
#page { height: 95%; background-color: #a7cbe9; }
#pageHeader { height: 14%; background-color: #2e75b5; }
#pageContent { height: 62%; background-color: #2e75b5; }
#pageFooter { height: 14%; background-color: #2e75b5; }
.bloc { height: 20%; background-color: #2e75b5; }
#left > .bloc:nth-child(1), #right > .bloc:nth-child(1) { width: 50%; }
#left > .bloc:nth-child(2), #right > .bloc:nth-child(2) { width: 70%; }

【讨论】：

感谢您的提议。但是你给出的设计并不能满足很多要求。例如，#center 不占用可用空间。我怀疑左右扩张到极限然后超出它们的能力，......我会根据你的建议进行一些测试，但我对第一种方法的结果没有信心。跨度>
你好。我做了很多尝试和调整，即使你最初的建议不符合要求，这确实是一个很好的基础，我已经能够建立一个符合我愿望的完整设计。谢谢！我现在只需要在 FF10 和 IE8 上测试它，希望它能工作。