88.CSS---Grid 网格布局教程
2024-10-06 10:25:26
grid 兼容性查看请点此处 最新Grid兼容
grid 布局就是给父元素（容器）添加display:grid,然后使子元素（项目）改变布局，
1 2 3 4 5 6 7 8 9
上面九个正方形的代码如下：没有给正方形设定宽度，是为了方便观察css效果
.seven{
background:#f1c40f;
line-height:100px;
color:#fff;
font-size: 40px;
text-align: center;
}
1.grid-template-columns 属性 | grid-template-rows 属性
grid-template-columns 定义每一列的列宽
grid-template-rows 定义每一行的行高
单位有：fr(分数)、%、px
.section-one-1{
width:400px;
display: grid;
grid-template-columns: 1fr 1fr 1fr;
grid-template-rows: 1fr 1fr 1fr;
}
把九个宫格分成了三行三列，每一个项目的空间占1/3*1/3=1/9
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如果容器的宽度没有限定，就会以容器最大的宽度来等比例排列
.section-one-2{
display: grid;
grid-template-columns: 1fr 1fr 1fr;
grid-template-rows: 1fr 1fr 1fr;
}
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2.如果要使容器内项目居中，则可使用justify-items属性|align-items 属性|place-items 属性
justify-items属性设置单元格内容的水平位置（左中右 默认）start | center | end | stretch;
align-items属性设置单元格内容的垂直位置（上中下 默认）start | center | end | stretch;
place-items属性是align-items属性和justify-items 属性的合并简写形式。
place-items: align-items(start) justify-items(end)
当容器宽度大于项目的集合宽度，当容器高度大于项目的集合高度，项目会自动居中在每两列之间，如下代码
.section-two-1 {
display: grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
place-items: center center;
height:500px;
}
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3.grid-row-gap 属性|grid-column-gap 属性|grid-gap 属性
grid-row-gap 属性设置行与行的间隔（行间距）
grid-column-gap 属性设置列与列的间隔（列间距）
grid-gap属性是grid-row-gap和grid-column-gap的合并简写形式
grid-gap: grid-row-gap grid-column-gap
.section-three-1{
display: grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
grid-row-gap: 20px;
grid-column-gap: 30px;
}
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4.grid-template-areas属性 |grid-area属性
网格布局允许指定"区域"（area），一个区域由单个或多个单元格组成。grid-template-areas属性用于定义区域
这个属性需要搭配项目（儿子）的grid-area属性使用
grid-area属性指定项目放在哪一个区域。
.section-four-1{
display: grid;
grid-template-columns: 150px 150px 150px;
grid-template-rows:150px 150px 150px;
grid-template-areas:"header header header""header header header"
"two three four";
}
.section-four-1>span:first-child{
grid-area: header;}
.section-four-1>span:nth-child(2){
grid-area: two;}
.section-four-1>span:nth-child(3){
grid-area: three;}
.section-four-1>span:last-child{
grid-area: four;}
2345.repeat() 函数
repeat 函数作用在可以把重复的简写，代码如下。第一个参数为重复的次数，第二个参数是重复的数值
.section-five-1{
width:500px;
display: grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
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repeat()重复某种模式也是可以的。
如下图定义了6列，第一列和第四列的宽度为100px，第二列和第五列为220px，第三列和第六列为1fr。
.section-five-2{
display: grid;
grid-template-columns:repeat(2,100px 220px 1fr);
grid-template-rows: repeat(3,1fr);
}
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6.minmax(min,max) 函数
minmax(min,max) 函数产生一个长度范围，表示长度就在这个范围之中。它接受两个参数，分别为最小值和最大值。
.section-six-1{
display: grid;
grid-template-columns:1fr 1fr minmax(50px, 100px);
grid-template-rows: 1fr 1fr minmax(50px, 150px);
}
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7.grid-auto-flow 属性
grid-auto-flow属性决定，默认值是row，即"先行后列"。也可以将它设成column，变成"先列后行"。
.section-seven-1{
display: grid;
grid-template-columns:repeat(3,1fr);
grid-template-rows:repeat(3,1fr);
grid-auto-flow: column;
}
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8.justify-content属性|align-content属性|place-content属性
justify-content属性是整个内容区域在容器里面的水平位置（左中右）start | end | center | stretch | space-around | space-between | space-evenly;
align-content属性是整个内容区域的垂直位置（上中下）start | end | center | stretch | space-around | space-between | space-evenly;
place-content属性：align-content justify-content
justify-content属性值只能体现在grid-template-columns中某一个值为auto才会有效果。如下
.section-eight-1{
display: grid;
grid-template-columns:150px auto 150px;
grid-template-rows:repeat(3,1fr);
place-items: center center;
height: 500px;
justify-content: start;
}
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justify-content:stretch;恢复默认情况。如下
.section-eight-2{
display: grid;
grid-template-columns:150px auto 150px;
grid-template-rows:repeat(3,1fr);
place-items: center center;
height: 500px;
justify-content:stretch;
}
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justify-content:space-around;每个项目两侧的间隔相等。所以，项目之间的间隔比项目与容器边框的间隔大一倍。如下
.section-eight-3{
display: grid;
grid-template-columns:150px auto 150px;
grid-template-rows:repeat(3,1fr);
place-items: center center;
height: 500px;
justify-content:space-around;
}
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justify-content:space-between;项目与项目的间隔相等，项目与容器边框之间没有间隔。如下
.section-eight-4{
display: grid;
grid-template-columns:150px auto 150px;
grid-template-rows:repeat(3,1fr);
place-items: center center;
height: 500px;
justify-content:space-between;
}
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justify-content:space-evenly;项目与项目的间隔相等，项目与容器边框之间也是同样长度的间隔。如下
.section-eight-5{
display: grid;
grid-template-columns:150px auto 150px;
grid-template-rows:repeat(3,1fr);
place-items: center center;
height: 500px;
justify-content:space-evenly;
}
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align-content属性和justify-content属性是一样的
9. grid-column-start 属性 | grid-column-end 属性
grid-row-start 属性 | grid-row-end 属性
这些属性定义在项目上面.
grid-column-start属性：左边框所在的垂直网格线
grid-column-end属性：右边框所在的垂直网格线
grid-row-start属性：上边框所在的水平网格线
grid-row-end属性：下边框所在的水平网格线
.section-nine-1{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-nine-1>span:first-child{
grid-column-start: 2;
grid-column-end: 4;
}
1号项目的左边框是第二根垂直网格线，右边框是第四根垂直网格线。如下
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上图中，只指定了1号项目的左右边框，没有指定上下边框，所以会采用默认位置，即上边框是第一根水平网格线，下边框是第二根水平网格线。
下面的例子是指定四个边框位置的效果。
1号项目的左边框是第1根垂直网格线，右边框是第3根垂直网格线。上边框是第2根水平网格线，下边框是第4根水平垂直线。如下
.section-nine-2{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-nine-2>span:first-child{
grid-column-start: 1;
grid-column-end: 3;
grid-row-start: 2;
grid-row-end: 4;
}
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这四个属性的值还可以使用span关键字，表示"跨越"，即左右边框（上下边框）之间跨越多少个网格。
上面代码表示，1号项目的左边框距离右边框跨越3个网格。上边框距离下边框跨越2个网格
.section-nine-3{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-nine-3>span:first-child{
grid-column-start:span 3;
grid-row-start:span 2;
}
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grid-column 属性 | grid-row 属性
grid-column属性是grid-column-start和grid-column-end的合并简写形式
grid-row属性是grid-row-start属性和grid-row-end的合并简写形式。
.section-nine-3>span:first-child{
grid-column-start:1/3;
grid-row:2/4;
}
.section-nine-3>span:first-child{
grid-column-start: 1;
grid-column-end: 3;
grid-row-start: 2;
grid-row-end: 4;
}
10.justify-self 属性 | align-self 属性 | place-self 属性
justify-self属性设置单元格内容的水平位置（左中右），跟justify-items属性的用法完全一致，但只作用于单个项目。
justify-self属性设置单元格内容的垂直位置（上中下），跟align-items属性的用法完全一致，也是只作用于单个项目。
place-self属性是align-self属性和justify-self属性的合并简写形式。
如果省略第二个值，place-self属性会认为这两个值相等。
place-self: (align-self) (justify-self);
两个属性都可以取四个值。start：对齐单元格的起始边缘。 end：对齐单元格的结束边缘。
center：单元格内部居中。stretch：拉伸，占满单元格的整个宽度（默认值）。
.section-ten-1{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-ten-1>span:first-child{
justify-self: start;
}
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附上原css代码
header{
margin:20px 0;
text-align: center;
font-size: 30px;
color:#2ecc71;
}
.section-1{
margin:20px 0;
}
.one{
/*width:100px;*/
/*height:100px;*/
background: #1abc9c;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.two{
/*width:100px;*/
/*height:100px;*/
background: #2ecc71;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.three{
/*width:100px;*/
/*height:100px;*/
background: #3498db;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.four{
/*width:100px;*/
/*height:100px;*/
background: #9b59b6;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.five{
/*width:100px;*/
/*height:100px;*/
background:#34495e;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.six{
/*width:100px;*/
/*height:100px;*/
background:#ff9966;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.seven{
/*width:100px;*/
/*height:100px;*/
background:#f1c40f;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.eight{
/*width:100px;*/
/*height:100px;*/
background: #e67e22;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.nine{
/*width:100px;*/
/*height:100px;*/
background: #e74c3c;
color:#fff;
font-size: 40px;
text-align: center;
line-height:100px;
}
.section-one-1{
width:400px;
display:grid;
grid-template-columns: 1fr 1fr 1fr;
grid-template-rows: 1fr 1fr 1fr;
}
.section-one-2{
display:grid;
grid-template-columns:1fr 1fr 1fr;
grid-template-rows: 1fr 1fr 1fr;
}
.section-two-1 {
display: grid;
grid-template-columns: repeat(3, 1fr);
grid-template-rows: repeat(3, 1fr);
place-items: center center;
height:500px;
}
.section-three-1{
display: grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
grid-row-gap: 20px;
grid-column-gap: 30px;
}
.section-four-1{
display: grid;
grid-template-columns: 150px 150px 150px;
grid-template-rows: 150px 150px 150px;
grid-template-areas:"header header header"
"header header header"
"two three four";
}
.section-four-1>span:first-child{
grid-area: header;
}
.section-four-1>span:nth-child(2){
grid-area: two;
}
.section-four-1>span:nth-child(3){
grid-area: three;
}
.section-four-1>span:last-child{
grid-area: four;
}
.section-five-1{
width:500px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-five-2{
display: grid;
grid-template-columns: repeat(2,100px 220px 1fr);
grid-template-rows: repeat(3,1fr);
}
.section-six-1{
display: grid;
grid-template-columns:1fr 1fr minmax(50px, 100px);
grid-template-rows:1fr 1fr minmax(50px, 150px);
}
.section-seven-1{
display: grid;
grid-template-columns:repeat(3,1fr);
grid-template-rows:repeat(3,1fr);
grid-auto-flow: column;
}
.section-eight-1{
display: grid;
grid-template-columns: 150px auto 150px;
grid-template-rows: repeat(3, 1fr);
place-items: center center;
height: 500px;
justify-content: start;
}
.section-eight-2{
display: grid;
grid-template-columns: 150px auto 150px;
grid-template-rows: repeat(3, 1fr);
place-items: center center;
height: 500px;
justify-content: stretch;
}
.section-eight-3{
display: grid;
grid-template-columns: 150px auto 150px;
grid-template-rows: repeat(3, 1fr);
place-items: center center;
height: 500px;
justify-content: space-around;
}
.section-eight-4{
display: grid;
grid-template-columns: 150px auto 150px;
grid-template-rows: repeat(3, 1fr);
place-items: center center;
height: 500px;
justify-content: space-between;
}
.section-eight-5{
display: grid;
grid-template-columns: 150px auto 150px;
grid-template-rows: repeat(3, 1fr);
place-items: center center;
height: 500px;
justify-content: space-evenly;
}
.section-nine-1{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-nine-1>span:first-child{
grid-column-start: 2;
grid-column-end: 4;
}
.section-nine-2{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-nine-2>span:first-child{
grid-column-start: 1;
grid-column-end: 3;
grid-row-start: 2;
grid-row-end: 4;
}
.section-nine-3{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-nine-3>span:first-child{
grid-column-start: span 3;
grid-row-start: span 2;
}
.section-ten-1{
width:400px;
display:grid;
grid-template-columns: repeat(3,1fr);
grid-template-rows: repeat(3,1fr);
}
.section-ten-1>span:first-child{
justify-self: start;
}
*{
margin:0;
padding:0;
font-family: '幼圆';
}
::selection{
color:#fff;
background: #1abc9c;
}
html::-webkit-scrollbar {
width: 13px;
height: 13px;
}
html::-webkit-scrollbar-thumb {
background: -webkit-gradient(linear,left top,left bottom,from(#2ecc71),to(#27ae60));
background: linear-gradient(to bottom,#2ecc71,#27ae60);
border-radius: 30px;
-webkit-box-shadow: inset 2px 2px 2px rgba(255,255,255,.25), inset -2px -2px 2px rgba(0,0,0,.25);
box-shadow: inset 2px 2px 2px rgba(255,255,255,.25), inset -2px -2px 2px rgba(0,0,0,.25);
}
html::-webkit-scrollbar-track {
background: linear-gradient(to right,#95a5a6,#95a5a6 1px,#7f8c8d 1px,#7f8c8d);
}
.container-1200{
width:1200px;
margin:0 auto;
}
h1{
color:#2ecc71;
text-align: center;
}
li{
list-style: none;
}
span{
display: inline-block;
}
code{
display: inline-block;
padding-left: 5px;
padding-right: 5px;
font-size: 120%;
background-color: pink;
border-radius: 5px;
margin: auto 3px;
color:#111;
}
blockquote{
background-color: #f5f2f0;
padding: 1em;
margin: 2em 2em;
-moz-border-radius: 1em;
-webkit-border-radius: 1em;
border-radius: 1em;
border-width: 0.3em;
border-color: #e0dfcc;
border-style: solid;
text-shadow: 0 1px white;
overflow: auto;
}
blockquote div{
width:39%;
float: left;
}
blockquote img{
width:29%;
float: left;
}
b{
color:red;
font-size: 20px;
}
p{
/*font-family: '微软雅黑';*/
margin:10px 0;
font-weight:600;
font-size: 16px;
}
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>CSS Grid 网格布局教程</title>
<link rel="stylesheet" href="/css/public.css">
<link rel="stylesheet" href="/css/grid.css">
</head>
<body class="container-1200">
<section>
<header>CSS Grid 网格布局教程</header>
<h2>grid 兼容性查看请点此处 <a style="color:red;font-weight:800;" href="https://caniuse.com/#search=grid">最新Grid兼容</a></h2>
<p>grid 布局就是给父元素（容器）添加<code>display:grid</code>,然后使子元素（项目）改变布局，</p>
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</section>
<p>上面九个正方形的代码如下：没有给正方形设定宽度，是为了方便观察css效果</p>
<blockquote>
<p>.seven{</p>
<p> background:#f1c40f;</p>
<p>line-height:100px;</p>
<p>color:#fff;</p>
<p>font-size: 40px;</p>
<p> text-align: center;</p>
<p>}</p>
</blockquote>
<section class="section-1">
<p><h1>1.<code>grid-template-columns</code> 属性 | <code>grid-template-rows</code> 属性</h1></p>
<p><code>grid-template-columns</code> 定义每一列的列宽</p>
<p><code>grid-template-rows</code> 定义每一行的行高</p>
<p>单位有：fr(分数)、%、px</p>
<blockquote>
<div>
<p>.section-one-1{</p>
<p>width:400px;</p>
<p>display: grid;</p>
<p>grid-template-columns: 1fr 1fr 1fr;</p>
<p>grid-template-rows: 1fr 1fr 1fr;</p>
<p>}</p>
</div>
<img src="/image/grid/1.png" alt="">
</blockquote><p>把九个宫格分成了三行三列，每一个项目的空间占1/3*1/3=1/9</p>
<div class="section-one-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p>如果容器的宽度没有限定，就会以容器最大的宽度来等比例排列</p>
<blockquote>
<div>
<p>.section-one-2{</p>
<p>display: grid;</p>
<p>grid-template-columns: 1fr 1fr 1fr;</p>
<p>grid-template-rows: 1fr 1fr 1fr;</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/2.png" alt="">
</blockquote>
<div class="section-one-2">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
</section> <section class="section-1">
<p><h1>2.如果要使容器内项目居中，则可使用<code>justify-items</code>属性|<code>align-items</code> 属性|<code>place-items</code> 属性</h1></p>
<p><code>justify-items</code>属性设置单元格内容的水平位置（左中右 默认）<b>start | center | end | stretch</b>;</p>
<p><code>align-items</code>属性设置单元格内容的垂直位置（上中下 默认）<b>start | center | end | stretch</b>;</p>
<p><code>place-items</code>属性是<code>align-items</code>属性和<code>justify-items</code> 属性的合并简写形式。</p>
<blockquote>
<p>place-items: align-items(start) justify-items(end)</p>
</blockquote>
<p>当容器宽度大于项目的集合宽度，当容器高度大于项目的集合高度，项目会自动居中在每两列之间，如下代码</p>
<blockquote>
<div>
<p>.section-two-1 {</p>
<p>display: grid;</p>
<p>grid-template-columns: repeat(3,1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>place-items: center center;</p>
<p>height:500px;</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/3.png" alt="">
</blockquote>
<div class="section-two-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
</section>
<section class="section-1">
<p><h1>3.<code>grid-row-gap</code> 属性|<code>grid-column-gap</code> 属性|<code>grid-gap</code> 属性</h1></p>
<p><code>grid-row-gap</code> 属性设置行与行的间隔（行间距）</p>
<p><code>grid-column-gap</code> 属性设置列与列的间隔（列间距）</p>
<p><code>grid-gap</code>属性是<code>grid-row-gap</code>和<code>grid-column-gap</code>的合并简写形式</p>
<blockquote>
<p>grid-gap: grid-row-gap grid-column-gap</p>
</blockquote>
<blockquote>
<div>
<p>.section-three-1{</p>
<p>display: grid;</p>
<p>grid-template-columns: repeat(3,1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>grid-row-gap: 20px;</p>
<p> grid-column-gap: 30px;</p>
<p>}</p>
</div>
<img style="width:61%;" src="/image/grid/4.png" alt="">
</blockquote>
<div class="section-three-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
</section>
<section class="section-1">
<h1>4.<code>grid-template-areas</code>属性 |<code>grid-area</code>属性</h1>
<p>网格布局允许指定"区域"（area），一个区域由单个或多个单元格组成。<code>grid-template-areas</code>属性用于定义区域</p>
<p>这个属性需要搭配项目（儿子）的<code>grid-area</code>属性使用</p>
<p><code>grid-area</code>属性指定项目放在哪一个区域。</p>
<blockquote>
<div>
<p>.section-four-1{</p>
<p>display: grid;</p>
<p>grid-template-columns: 150px 150px 150px;</p>
<p>grid-template-rows:150px 150px 150px;</p>
<p><code>grid-template-areas</code>:"header header header"</p>
<p>"header header header"</p>
<p>"two three four";</p>
<p>}</p>
<p>.section-four-1>span:first-child{</p>
<p><code>grid-area</code>: header;</p>
<p>}</p>
<p>.section-four-1>span:nth-child(2){</p>
<p><code>grid-area</code>: two;</p>
<p>}</p>
<p>.section-four-1>span:nth-child(3){</p>
<p><code>grid-area</code>: three;</p>
<p>}</p>
<p>.section-four-1>span:last-child{</p>
<p><code>grid-area</code>: four;</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/5.png" alt="">
</blockquote>
<div class="section-four-1">
<span class="header"><img style="width:450px;height:300px" src="/image/grid/four-1.jpg" alt=""></span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
</div>
</section>
<section class="section-1">
<h1>5.<code>repeat()</code> 函数</h1>
<p>repeat 函数作用在可以把重复的简写，代码如下。第一个参数为重复的次数，第二个参数是重复的数值</p>
<blockquote>
<div>
<p>.section-five-1{</p>
<p>width:500px;</p>
<p>display: grid;</p>
<p>grid-template-columns: repeat(3,1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>}</p></div>
<img src="/image/grid/6.png" alt="">
</blockquote>
<div class="section-five-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div> <p><code>repeat()</code>重复某种模式也是可以的。</p>
<p>如下图定义了6列，第一列和第四列的宽度为100px，第二列和第五列为220px，第三列和第六列为1fr。</p>
<blockquote>
<div>
<p>.section-five-2{</p>
<p>display: grid;</p>
<p>grid-template-columns:repeat(2,100px 220px 1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/7.png" alt="">
</blockquote>
<div class="section-five-2">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
</section>
<section class="section-1">
<h1>6.<code>minmax(min,max)</code> 函数</h1>
<p><code>minmax(min,max)</code> 函数产生一个长度范围，表示长度就在这个范围之中。它接受两个参数，分别为最小值和最大值。</p>
<blockquote>
<div>
<p>.section-six-1{</p>
<p>display: grid;</p>
<p>grid-template-columns:1fr 1fr minmax(50px, 100px);</p>
<p>grid-template-rows: 1fr 1fr minmax(50px, 150px);</p>
<p>}</p>
</div>
<img style="width:60%;" src="/image/grid/8.png" alt="">
</blockquote>
<div class="section-six-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
</section>
<section class="section-1">
<h1>7.<code>grid-auto-flow</code> 属性</h1>
<p><code>grid-auto-flow</code>属性决定，默认值是row，即"先行后列"。也可以将它设成column，变成"先列后行"。</p>
<blockquote>
<div>
<p>.section-seven-1{</p>
<p>display: grid;</p>
<p>grid-template-columns:repeat(3,1fr);</p>
<p>grid-template-rows:repeat(3,1fr);</p>
<p>grid-auto-flow: column;</p>
<p>}</p>
</div>
</blockquote>
<div class="section-seven-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
</section>
<section class="section-1">
<h1>8.<code>justify-content</code>属性|<code>align-content</code>属性|<code>place-content</code>属性</h1>
<p><code>justify-content</code>属性是整个内容区域在容器里面的水平位置（左中右）start | end | center | stretch | space-around | space-between | space-evenly;</p>
<p><code>align-content</code>属性是整个内容区域的垂直位置（上中下）start | end | center | stretch | space-around | space-between | space-evenly;</p>
<p><code>place-content</code>属性：align-content justify-content</p>
<p><code>justify-content</code>属性值只能体现在<code>grid-template-columns</code>中某一个值为auto才会有效果。如下</p>
<blockquote>
<div>
<p>.section-eight-1{</p>
<p>display: grid;</p>
<p>grid-template-columns:150px auto 150px;</p>
<p>grid-template-rows:repeat(3,1fr);</p>
<p>place-items: center center;</p>
<p>height: 500px;</p>
<p>justify-content: start;</p>
<p>}</p>
</div>
<img style="width:20%;" src="/image/grid/9.png" alt="">
</blockquote>
<div class="section-eight-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p><code>justify-content:stretch;</code>恢复默认情况。如下</p>
<blockquote>
<div>
<p>.section-eight-2{</p>
<p>display: grid;</p>
<p>grid-template-columns:150px auto 150px;</p>
<p>grid-template-rows:repeat(3,1fr);</p>
<p>place-items: center center;</p>
<p>height: 500px;</p>
<p>justify-content:stretch;</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/10.png" alt="">
</blockquote>
<div class="section-eight-2">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p><code>justify-content:space-around;</code>每个项目两侧的间隔相等。所以，项目之间的间隔比项目与容器边框的间隔大一倍。如下</p>
<blockquote>
<div>
<p>.section-eight-3{</p>
<p>display: grid;</p>
<p>grid-template-columns:150px auto 150px;</p>
<p>grid-template-rows:repeat(3,1fr);</p>
<p>place-items: center center;</p>
<p>height: 500px;</p>
<p>justify-content:space-around;</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/11.png" alt="">
</blockquote>
<div class="section-eight-3">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p><code>justify-content:space-between;</code>项目与项目的间隔相等，项目与容器边框之间没有间隔。如下</p>
<blockquote>
<div>
<p>.section-eight-4{</p>
<p>display: grid;</p>
<p>grid-template-columns:150px auto 150px;</p>
<p>grid-template-rows:repeat(3,1fr);</p>
<p>place-items: center center;</p>
<p>height: 500px;</p>
<p>justify-content:space-between;</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/12.png" alt="">
</blockquote>
<div class="section-eight-4">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p><code>justify-content:space-evenly;</code>项目与项目的间隔相等，项目与容器边框之间也是同样长度的间隔。如下</p>
<blockquote>
<div>
<p>.section-eight-5{</p>
<p>display: grid;</p>
<p>grid-template-columns:150px auto 150px;</p>
<p>grid-template-rows:repeat(3,1fr);</p>
<p>place-items: center center;</p>
<p>height: 500px;</p>
<p>justify-content:space-evenly;</p>
<p>}</p>
</div>
<img style="width:50%;" src="/image/grid/13.png" alt="">
</blockquote>
<div class="section-eight-5">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p><code>align-content</code>属性和<code>justify-content</code>属性是一样的</p>
</section>
<section class="section-1">
<h1>9. <code>grid-column-start</code> 属性 | <code>grid-column-end</code> 属性 </h1>
<h1><code>grid-row-start</code> 属性 | <code>grid-row-end</code> 属性</h1>
<p>这些属性定义在项目上面.</p>
<p><code>grid-column-start</code>属性：左边框所在的垂直网格线</p>
<p><code>grid-column-end</code>属性：右边框所在的垂直网格线</p>
<p><code>grid-row-start</code>属性：上边框所在的水平网格线</p>
<p><code>grid-row-end</code>属性：下边框所在的水平网格线</p> <blockquote>
<div>
<p>.section-nine-1{</p>
<p>width:400px;</p>
<p>display:grid;</p>
<p>grid-template-columns: repeat(3,1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>}</p>
<p>.section-nine-1>span:first-child{</p>
<p>grid-column-start: 2;</p>
<p>grid-column-end: 4;</p>
<p>}</p>
</div>
<img style="width:43%;" src="/image/grid/14.png" alt="">
</blockquote>
<p>1号项目的左边框是第二根垂直网格线，右边框是第四根垂直网格线。如下</p>
<div class="section-nine-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p>上图中，只指定了1号项目的左右边框，没有指定上下边框，所以会采用默认位置，即上边框是第一根水平网格线，下边框是第二根水平网格线。</p>
<p>下面的例子是指定四个边框位置的效果。</p>
<p>1号项目的左边框是第1根垂直网格线，右边框是第3根垂直网格线。上边框是第2根水平网格线，下边框是第4根水平垂直线。如下</p>
<blockquote>
<div>
<p>.section-nine-2{</p>
<p>width:400px;</p>
<p>display:grid;</p>
<p>grid-template-columns: repeat(3,1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>}</p>
<p>.section-nine-2>span:first-child{</p>
<p>grid-column-start: 1;</p>
<p>grid-column-end: 3;</p>
<p>grid-row-start: 2;</p>
<p>grid-row-end: 4;</p>
<p>}</p>
</div>
<img style="width:51%;" src="/image/grid/15.png" alt="">
</blockquote>
<div class="section-nine-2">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<p>这四个属性的值还可以使用<code>span</code>关键字，表示"跨越"，即左右边框（上下边框）之间跨越多少个网格。</p>
<p>上面代码表示，1号项目的左边框距离右边框跨越3个网格。上边框距离下边框跨越2个网格</p>
<blockquote>
<div>
<p>.section-nine-3{</p>
<p>width:400px;</p>
<p>display:grid;</p>
<p>grid-template-columns: repeat(3,1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>}</p>
<p>.section-nine-3>span:first-child{</p>
<p>grid-column-start:span 3;</p>
<p>grid-row-start:span 2;</p>
<p>}</p>
</div>
<img style="width:31%;" src="/image/grid/16.png" alt="">
</blockquote>
<div class="section-nine-3">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
<h1><code>grid-column</code> 属性 | <code>grid-row</code> 属性</h1>
<p><code>grid-column</code>属性是<code>grid-column-start</code>和<code>grid-column-end</code>的合并简写形式</p>
<p><code>grid-row</code>属性是<code>grid-row-start</code>属性和<code>grid-row-end</code>的合并简写形式。</p>
<blockquote>
<div>
<p>.section-nine-3>span:first-child{</p>
<p>grid-column-start:1/3;</p>
<p>grid-row:2/4;</p>
<p>}</p>
<p>.section-nine-3>span:first-child{</p>
<p>grid-column-start: 1;</p>
<p>grid-column-end: 3;</p>
<p>grid-row-start: 2;</p>
<p>grid-row-end: 4;</p>
<p>}</p>
</div>
</blockquote>
</section>
<section class="section-1">
<h1>10.<code>justify-self</code> 属性 | <code>align-self</code> 属性 | <code>place-self</code> 属性</h1>
<p><code>justify-self</code>属性设置单元格内容的水平位置（左中右），跟<code>justify-items</code>属性的用法完全一致，但只作用于单个项目。</p>
<p><code>justify-self</code>属性设置单元格内容的垂直位置（上中下），跟<code>align-items</code>属性的用法完全一致，也是只作用于单个项目。</p>
<p><code>place-self</code>属性是<code>align-self</code>属性和<code>justify-self</code>属性的合并简写形式。</p>
<p>如果省略第二个值，<code>place-self</code>属性会认为这两个值相等。</p>
<blockquote>
<p>place-self: (align-self) (justify-self);</p>
</blockquote>
<p>两个属性都可以取四个值。start：对齐单元格的起始边缘。 end：对齐单元格的结束边缘。</p>
<p>center：单元格内部居中。stretch：拉伸，占满单元格的整个宽度（默认值）。</p>
<blockquote>
<div>
<p>.section-ten-1{</p>
<p>width:400px;</p>
<p>display:grid;</p>
<p>grid-template-columns: repeat(3,1fr);</p>
<p>grid-template-rows: repeat(3,1fr);</p>
<p>}</p>
<p>.section-ten-1>span:first-child{</p>
<p> justify-self: start;</p>
<p>}</p>
</div>
<img style="width:37%;" src="/image/grid/17.png" alt="">
</blockquote>
<div class="section-ten-1">
<span class="one">1</span>
<span class="two">2</span>
<span class="three">3</span>
<span class="four">4</span>
<span class="five">5</span>
<span class="six">6</span>
<span class="seven">7</span>
<span class="eight">8</span>
<span class="nine">9</span>
</div>
</section>
</body>
</html>
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