grid布局

加在父元素上的属性

grid-template-columns/grid-template-rows

  • 定义元素的行或列的宽高
  • 如果父元素被等分成了9等分，则，不管有多少个子元素，都显示9等分
  • grid-template-columns: 33% 33% 33%;可以写成grid-template-columns:repeat(3, 33%);
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container1 {

  grid-template-columns: 33% 33% 33%;

  grid-template-rows: 33% 33% 33%;

}
<div class="container container1">

  <div class="item item-1"></div>

  <div class="item item-2"></div>

</div>

grid-template-areas

  • 父元素的grid-template-areas配合子元素的grid-area定义网格区域
  • 一个句点表示一个空的网格单元
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container2 {

  grid-template-columns: 1fr 1fr 1fr 1fr;

  grid-template-rows: 1fr 1fr 1fr;

  grid-template-areas: "header header . footer"

    "main main . sidebar"

    "main main . sidebar";

}

.container2 .item-1 {

  grid-area: header;

}

.container2 .item-2 {

  grid-area: main;

}

.container2 .item-3 {

  grid-area: sidebar;

}

.container2 .item-4 {

  grid-area: footer;

}
<div class="container container2">

  <div class="item item-1">header</div>

  <div class="item item-2">main</div>

  <div class="item item-3">sidebar</div>

  <div class="item item-4">footer</div>

</div>

grid-column-gap/grid-row-gap/grip-gap

  • 指网格线的大小，也可以说是网格子项之间的间距
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container3 {

  grid-template-columns: repeat(3, 30%);

  grid-template-rows: repeat(3, 30%);

  grid-column-gap: 2%;

  grid-row-gap: 2%;

}
<div class="container container3">

  <div class="item item-1"></div>

  <div class="item item-2"></div>

  <div class="item item-3"></div>

  <div class="item item-4"></div>

  <div class="item item-5"></div>

  <div class="item item-6"></div>

  <div class="item item-7"></div>

  <div class="item item-8"></div>

  <div class="item item-9"></div>

</div>

justify-items/align-items

  • justify-items让子元素的内容和纵向列轴对齐
  • align-items让子元素的内容和横向行轴对齐
  • 两个属性都有四个值
  • 我的例子中，为了方便对比，嵌套了grid网格
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container4 {

  width: 400px;

  height: 200px;

  grid-template-columns: repeat(4, 25%);

  grid-template-rows: repeat(2, 50%);

}

.container4 .item {

  display: grid;

}

.container4 .item div {

  background-color: coral;

  border: 1px dashed #aaa

}

.container4 .item-1 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  justify-items: start;

}

.container4 .item-2 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  justify-items: end;

}

.container4 .item-3 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  justify-items: center;

}

.container4 .item-4 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  justify-items: stretch;

}

.container4 .item-5 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  align-items: start;

}

.container4 .item-6 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  align-items: end;

}

.container4 .item-7 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  align-items: center;

}

.container4 .item-8 {

  grid-template-columns: repeat(2, 50%);

  grid-template-rows: repeat(2, 50%);

  align-items: stretch;

}
<div class="container container4">

  <div class="item item-1">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-2">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-3">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-4">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-5">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-6">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-7">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-8">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

justify-content/align-content

  • 设置子元素的对齐方式，justify表示纵向，align表示横向
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container5 {

  width: 700px;

  height: 200px;

  grid-template-columns: repeat(7, 14%);

  grid-template-rows: repeat(2, 50%);

}

.container5 .item {

  display: grid;

}

.container5 .item div {

  background-color: coral;

  border: 1px dashed #aaa

}

.container5 .item-1 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  justify-content: start;

}

.container5 .item-2 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  justify-content: end;

}

.container5 .item-3 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  justify-content: center;

}

.container5 .item-4 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  justify-content: stretch;

}

.container5 .item-5 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  justify-content: space-around;

}

.container5 .item-6 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  justify-content: space-between;

}

.container5 .item-7 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  justify-content: space-evenly;

}

.container5 .item-8 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  align-content: start;

}

.container5 .item-9 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  align-content: end;

}

.container5 .item-10 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  align-content: center;

}

.container5 .item-11 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  align-content: stretch;

}

.container5 .item-12 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  align-content: space-around;

}

.container5 .item-13 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  align-content: space-between;

}

.container5 .item-14 {

  grid-template-columns: repeat(2, 40%);

  grid-template-rows: repeat(2, 40%);

  align-content: space-evenly;

}
<div class="container container5">

  <div class="item item-1">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-2">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-3">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-4">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-5">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-6">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-7">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-8">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-9">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-10">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-11">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-12">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-13">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

  <div class="item item-14">

    <div>list</div>

    <div>list</div>

    <div>list</div>

    <div>list</div>

  </div>

</div>

grid-auto-columns/grid-auto-rows

  • grid-column后面的值如果是1 / 2形式，表示的是从第1列网格线开始到第2列网格线结束，如果这个属性定义的网格超出了父元素的范围，则会自动生成隐式网格
  • grid-auto-columns和grid-auto-rows两个属性来指定这些隐式网格轨迹的宽度
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container6 {

  width: 120px;

  height: 180px;

  grid-template-columns: 60px 60px;

  grid-template-rows: 90px 90px;

  grid-auto-columns: 60px;

}

.container6 .item-1 {

  grid-column: 1 / 2;

  grid-row: 2 / 3;

  border: 1px solid #ccc;

}

.container6 .item-2 {

  grid-column: 5 / 6;

  grid-row: 2 / 3;

  border: 1px solid #ccc;

}
<div class="container container6">

  <div class="item-1">1/2&2/3</div>

  <div class="item-2">5/6&2/3</div>

</div>


grid-auto-flow

  • 没有网格元素的时候，自动排列
  • row表示从左到右排列，column表示从上到下排列
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container7 {

  display: grid;

  width: 200px;

  height: 40px;

  grid-template-columns: 40px 40px 40px 40px 40px;

  grid-template-rows: 40px 40px;

  /* grid-auto-flow: row; */

  grid-auto-flow: column;

}

.container7 .item-1 {

  grid-column: 1;

  grid-row: 1 / 3;

}

.container7 .item-5 {

  grid-column: 5;

  grid-row: 1 / 3;

}
<div class="container container7">

  <div class="item item-1">1</div>

  <div class="item item-2">2</div>

  <div class="item item-3">3</div>

  <div class="item item-4">4</div>

  <div class="item item-5">5</div>

</div>


加在子元素上的属性

grid-column-start/grid-column-end/grid-row-start/grid-row-end/grid-column/grid-row

  • 定义网格开始或者结束的位置
  • 值为数字，表示从这条线开始。值为span加数字，表示覆盖了这条线的位置
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container8 {

  margin-top: 20px;

  grid-template-columns: repeat(5, 20%);

  grid-template-rows: repeat(5, 20%);

}

.container8 .item-1 {

  grid-column-start: 2;

  grid-column-end: 4;

  grid-row-start: 1;

  grid-row-end: 2;

}

.container8 .item-2 {

  grid-column-start: 4;

  grid-column-end: span 5;

  grid-row-start: 2;

  grid-row-end: span 5;

}

.container8 .item-3 {

  grid-column: 1 / span 2;

  grid-row: 2 / span 4;

}
<div class="container container8">

  <div class="item item-1">item-1</div>

  <div class="item item-2">item-2</div>

  <div class="item item-3">item-3</div>

</div>


justify-self/align-self

  • 网格子项内容与格线对齐
.container {

  width: 200px;

  height: 200px;

  display: grid;

  background-color: coral;

  margin: 10px;

}

.container .item {

  border: 1px solid #ccc;

  background-color: chocolate;

}

.container9 {

  width: 400px;

  height: 200px;

  grid-template-columns: repeat(4, 25%);

  grid-template-rows: repeat(2, 50%);

}

.container9 .item-1 {

  justify-self: start;

}

.container9 .item-2 {

  justify-self: end;

}

.container9 .item-3 {

  justify-self: center;

}

.container9 .item-4 {

  justify-self: stretch;

}

.container9 .item-5 {

  align-self: start;

}

.container9 .item-6 {

  align-self: end;

}

.container9 .item-7 {

  align-self: center;

}

.container9 .item-8 {

  align-self: stretch;

}
<div class="container container9">

  <div class="item item-1">item-1</div>

  <div class="item item-2">item-2</div>

  <div class="item item-3">item-3</div>

  <div class="item item-4">item-4</div>

  <div class="item item-5">item-5</div>

  <div class="item item-6">item-6</div>

  <div class="item item-7">item-7</div>

  <div class="item item-8">item-8</div>

</div>


参考借鉴地址

https://www.imooc.com/article...

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