Css让前端飞程序员

CSS布局解决方案(终结版)

2018-05-22  本文已影响167人  一个敲代码的前端妹子

前端布局非常重要的一环就是页面框架的搭建,也是最基础的一环。在页面框架的搭建之中,又有居中布局、多列布局以及全局布局,今天我们就来总结总结前端干货中的CSS布局。

居中布局

水平居中

1)使用inline-block+text-align

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: 0.476px; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; color: rgb(80, 97, 109); font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: 0.476px; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; color: rgb(80, 97, 109); font-size: 10px; line-height: 12px;">

  1. .child{

  2. display:inline-block;

  3. }

  4. .parent{

  5. text-align:center;

  6. }

</pre>

(3)优缺点

2)使用table+margin

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .child {

  2. display:table;

  3. margin:0 auto;

  4. }

</pre>

(3)优缺点:

3)使用absolute+transform

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. position:relative;

  3. }

  4. .child {

  5. position:absolute;

  6. left:50%;

  7. transform:translateX(-50%);

  8. }

</pre>

(3)优缺点

4)使用flex+margin

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:flex;

  3. }

  4. .child {

  5. margin:0 auto;

  6. }

</pre>

(3)优缺点

5)使用flex+justify-content

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:flex;

  3. justify-content:center;

  4. }

</pre>

(3)优缺点

垂直居中

1)使用table-cell+vertical-align

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:table-cell;

  3. vertical-align:middle;

  4. }

</pre>

(3)优缺点

2)使用absolute+transform

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. position:relative;

  3. }

  4. .child {

  5. position:absolute;

  6. top:50%;

  7. transform:translateY(-50%);

  8. }

</pre>

(3)优缺点

3)使用flex+align-items

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. position:flex;

  3. align-items:center;

  4. }

</pre>

(3)优缺点

水平垂直居中

1)使用absolute+transform

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. position:relative;

  3. }

  4. .child {

  5. position:absolute;

  6. left:50%;

  7. top:50%;

  8. transform:tranplate(-50%,-50%);

  9. }

</pre>

(3)优缺点

2)使用inline-block+text-align+table-cell+vertical-align

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. text-align:center;

  3. display:table-cell;

  4. vertical-align:middle;

  5. }

  6. .child {

  7. display:inline-block;

  8. }

</pre>

(3)优缺点

3)使用flex+justify-content+align-items

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="child>DEMO</div>

  3. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:flex;

  3. justify-content:center;

  4. align-items:center;

  5. }

</pre>

(3)优缺点

多列布局

定宽+自适应

1)使用float+overflow

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .left {

  2. float:left;

  3. width:100px;

  4. margin-right:20px;

  5. }

  6. .right {

  7. overflow:hidden;

  8. }

</pre>

(3)优缺点

2)使用float+margin

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .left {

  2. float:left;

  3. width:100px;

  4. }

  5. .right {

  6. margin-left:120px;

  7. }

</pre>

(3)优缺点

3)使用float+margin(改良版)

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="rigth-fix">

  6. <div class="right">

  7. <p>right</p>

  8. <p>right</p>

  9. </div>

  10. </div>

  11. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .left {

  2. float:left;

  3. width:100px;

  4. position:relative;

  5. }

  6. .right-fix {

  7. float:right;

  8. width:100%;

  9. margin-left:-100px;

  10. }

  11. .right {

  12. margin-left:120px;

  13. }

</pre>

(3)优缺点

4)使用table

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:table;

  3. width:100%;

  4. table-layout:fixed;

  5. }

  6. .left {

  7. width:100px;

  8. padding-right:20px;

  9. }

  10. .right,.left {

  11. display:table-cell;

  12. }

</pre>

5)使用flex

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:flex;

  3. }

  4. .left {

  5. width:100px;

  6. margin-right:20px;

  7. }

  8. .right {

  9. flex:1;

  10. }

</pre>

(3)优缺点

两列定宽+一列自适应

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="center">

  6. <p>center</p>

  7. </div>

  8. <div class="right">

  9. <p>right</p>

  10. <p>right</p>

  11. </div>

  12. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .left,.center {

  2. float:left;

  3. width:100px;

  4. margin-right:20px;

  5. }

  6. .right {

  7. overflow:hidden;

  8. }

</pre>

不定宽+自适应

1)使用float+overflow

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .left{

  2. float: left;

  3. margin-right: 20px;

  4. }

  5. .right{

  6. overflow: hidden;

  7. }

  8. .left p{

  9. width: 200px;

  10. }

</pre>

(3)优缺点

2)使用table

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent{

  2. display: table; width: 100%;

  3. }

  4. .left,.right{

  5. display: table-cell;

  6. }

  7. .left{

  8. width: 0.1%;

  9. padding-right: 20px;

  10. }

  11. .left p{

  12. width:200px;

  13. }

</pre>

(3)优缺点

3)使用flex

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:flex;

  3. }

  4. .left {

  5. margin-right:20px;

  6. }

  7. .right {

  8. flex:1;

  9. }

  10. .left p{

  11. width: 200px;

  12. }

</pre>

(3)优缺点

两列不定宽+一列自适应

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="center">

  6. <p>center</p>

  7. </div>

  8. <div class="right">

  9. <p>right</p>

  10. <p>right</p>

  11. </div>

  12. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .left,.center{

  2. float: left;

  3. margin-right: 20px;

  4. }

  5. .right{

  6. overflow: hidden;

  7. }

  8. .left p,.center p{

  9. width: 100px;

  10. }

</pre>

等分布局
image

公式转化:

l=w*n+g*(n-1)->l=w*n+g*n-g->l+g=(w+g)*n

image

因此,我们需要解决两个问题:

1)使用float

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="column"><p>1</p></div>

  3. <div class="column"><p>2</p></div>

  4. <div class="column"><p>3</p></div>

  5. <div class="column"><p>4</p></div>

  6. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent{

  2. margin-left: -20px;//l增加g

  3. }

  4. .column{

  5. float: left;

  6. width: 25%;

  7. padding-left: 20px;

  8. box-sizing: border-box;//包含padding区域 w+g

  9. }

</pre>

(3)优缺点

2)使用table

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent-fix">

  2. <div class="parent">

  3. <div class="column"><p>1</p></div>

  4. <div class="column"><p>2</p></div>

  5. <div class="column"><p>3</p></div>

  6. <div class="column"><p>4</p></div>

  7. </div>

  8. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent-fix{

  2. margin-left: -20px;//l+g

  3. }

  4. .parent{

  5. display: table;

  6. width:100%;

  7. table-layout: fixed;

  8. }

  9. .column{

  10. display: table-cell;

  11. padding-left: 20px;//w+g

  12. }

</pre>

(3)优缺点

3)使用flex

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="column"><p>1</p></div>

  3. <div class="column"><p>2</p></div>

  4. <div class="column"><p>3</p></div>

  5. <div class="column"><p>4</p></div>

  6. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent{

  2. display: flex;

  3. }

  4. .column{

  5. flex: 1;

  6. }

  7. .column+.column{

  8. margin-left:20px;

  9. }

</pre>

(3)优缺点

定宽+自适应+两块高度一样高

1)使用float

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. p{

  2. background: none!important;

  3. }

  4. .left,.right{

  5. background: #444;

  6. }

  7. .parent{

  8. overflow: hidden;

  9. }

  10. .left,.right{

  11. padding-bottom: 9999px;

  12. margin-bottom: -9999px;

  13. }

  14. .left{

  15. float: left;

  16. width: 100px;

  17. margin-right: 20px;

  18. }

  19. .right{

  20. overflow: hidden;

  21. }

</pre>

(3)优缺点

2)使用table

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:table;

  3. width:100%;

  4. table-layout:fixed;

  5. }

  6. .left {

  7. width:100px;

  8. padding-right:20px;

  9. }

  10. .right,.left {

  11. display:table-cell;

  12. }

</pre>

3)使用flex(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">

  3. <p>left</p>

  4. </div>

  5. <div class="right">

  6. <p>right</p>

  7. <p>right</p>

  8. </div>

  9. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. display:flex;

  3. }

  4. .left {

  5. width:100px;

  6. margin-right:20px;

  7. }

  8. .right {

  9. flex:1;

  10. }

</pre>

(3)优缺点

4)使用display

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="left">left</div>

  3. <div class="right">right </div>

  4. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. .parent {

  2. width: 100%;

  3. display: -webkit-box;

  4. }

  5. .left {

  6. width:100px;

  7. margin-right: 20px;

  8. }

  9. .right {

  10. -webkit-box-flex: 1;

  11. }

</pre>

(3)优缺点

全屏布局

全屏布局的特点
全屏布局的方法
image

1)使用position

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="top">top</div>

  3. <div class="left">left</div>

  4. <div class="right">

  5. <div class="inner">right</div>

  6. </div>

  7. <div class="bottom">bottom</div>

  8. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. html,body,.parent{

  2. margin:0;

  3. height:100%;

  4. overflow:hidden;

  5. }

  6. body{

  7. color:white;

  8. }

  9. .top{

  10. position:absolute;

  11. top:0;

  12. left:0;

  13. right:0;

  14. height:100px;

  15. background:blue;

  16. }

  17. .left{

  18. position:absolute;

  19. left:0;

  20. top:100px;

  21. bottom:50px;

  22. width:200px;

  23. background:red;

  24. }

  25. .right{

  26. position:absolute;

  27. left:200px;

  28. top:100px;

  29. bottom:50px;

  30. right:0;

  31. background:pink;

  32. overflow: auto;

  33. }

  34. .right .inner{

  35. min-height: 1000px;

  36. }

  37. .bottom{

  38. position:absolute;

  39. left:0;

  40. right:0;

  41. bottom:0;

  42. height:50px;

  43. background: black;

  44. }

</pre>

(3)优缺点

2)使用flex

(1)原理、用法

(2)代码实例

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. <div class="parent">

  2. <div class="top">top</div>

  3. <div class="middle">

  4. <div class="left">left</div>

  5. <div class="right">

  6. <div class="inner">right</div>

  7. </div>

  8. </div>

  9. <div class="bottom">bottom</div>

  10. </div>

</pre>

<pre class="" style="margin: 0px; padding: 8px 0px 6px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(47, 54, 64); border-radius: 0px; overflow-y: auto; font-size: 10px; line-height: 12px;">

  1. html,body,.parent{

  2. margin:0;

  3. height:100%;

  4. overflow:hidden;

  5. }

  6. body{

  7. color: white;

  8. }

  9. .parent{

  10. display: flex;

  11. flex-direction: column;

  12. }

  13. .top{

  14. height:100px;

  15. background: blue;

  16. }

  17. .bottom{

  18. height:50px;

  19. background: black;

  20. }

  21. .middle{

  22. flex:1;

  23. display:flex;

  24. }

  25. .left{

  26. width:200px;

  27. background: red;

  28. }

  29. .right{

  30. flex: 1;

  31. overflow: auto;

  32. background:pink;

  33. }

  34. .right .inner{

  35. min-height: 1000px;

  36. }

</pre>

(3)优缺点

image
全屏布局相关方案的兼容性、性能和自适应一览表
方案 兼容性 性能 是否自适应
Position 部分自适应
Flex 较差 可自适应
Grid 较好 可自适应

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