批改状态:合格
老师批语:
在父元素中写入display: grid; 使其转为grid容器

<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div><div class="item">item7</div><div class="item">item8</div><div class="item">item9</div></div>
.cnt{/* 转换为grid网格容器 */display: grid;/* 相同并且相邻的值,可以用repeat()简化 (个数, 比例 单位用fr) *//* grid-template-columns /rows: 1fr 2fr 1fr; 使用不同比例操作*/grid-template-columns: repeat(3, 1fr);grid-template-rows: repeat(3, 1fr);}

grid-auto-flow: row/column; row默认 column垂直排列
<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div><div class="item">item7</div><div class="item">item8</div><div class="item">item9</div></div>
.cnt{/* 转换为grid网格容器 */display: grid;grid-template-columns: repeat(3, 1fr);grid-template-rows: repeat(3, 1fr);/*默认 row*//*grid-auto-flow: row;*//*column垂直排列*/grid-auto-flow: column;}


grid-auto-rows: 1fr 超出固定高度后自动分配位置
<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div><div class="item">item7</div><div class="item">item8</div><div class="item">item9</div><div class="item">item10</div><div class="item">item11</div><div class="item">item12</div></div>
.cnt{/* 转换为grid网格容器 */display: grid;grid-template-columns: repeat(3, 1fr);grid-template-rows: repeat(3, 1fr);/* 超出显示网格数量的子元素,创建在隐式网格中(自动分配位置) */grid-auto-rows: 1fr;}

子元素在容器中对齐方式 两个值place-content: 垂直方向 水平方向; start center end
<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div></div>
.cnt{width: 500px;height: 500px;background-color: antiquewhite;/* 转换为grid网格容器 */display: grid;/*子元素宽度总和需要小于父元素才会有效果*/grid-template-columns: repeat(3, 100px);grid-template-rows: repeat(3, 100px);/*垂直居中 水平靠右*/place-content: center end;/* 如果两个值相同,可以简写 */place-content: center;/* 剩余空间还可以在所有项目之间进行分配 两个值相同,可以简写*/place-content: space-between space-around;}





place-items: 垂直方向 水平方向 可选值start center end
<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div></div>
.cnt{width: 500px;height: 500px;background-color: antiquewhite;/* 转换为grid网格容器 */display: grid;/*子元素宽度总和需要小于父元素才会有效果*/grid-template-columns: repeat(3, 100px);grid-template-rows: repeat(3, 100px);/*place-items: 垂直方向 水平方向*/place-items: center center;}.cnt > .item{width: 100px;height: 100px;background-color: blue;}

place-self: 垂直方向 水平方向 可选值start center end
<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div></div>
.cnt{width: 500px;height: 500px;background-color: antiquewhite;/* 转换为grid网格容器 */display: grid;/*子元素宽度总和需要小于父元素才会有效果*/grid-template-columns: repeat(3, 100px);grid-template-rows: repeat(3, 100px);}.cnt > .item{width: 100px;height: 100px;background-color: blue;}.cnt .item:first-child{/* 相对于单元格调整对齐方式 */place-self: center end;}

grid-column/row: 开始 结束
<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div></div>
.cnt{width: 500px;height: 500px;background-color: antiquewhite;/* 转换为grid网格容器 */display: grid;/*子元素宽度总和需要小于父元素才会有效果*/grid-template-columns: repeat(3, 100px);grid-template-rows: repeat(3, 100px);}.cnt > .item{width: 100px;height: 100px;background-color: blue;}.cnt .item:first-child{/* 跨越单元格 */grid-row: 2;grid-column: 1;background-color: firebrick;}

.cnt .item:first-child{width: auto;/* 占据多个单元格 *//* grid-area: 行开始 / 列开始 / 行结束 / 列结束; *//* tips: 如果是span 1 可以简化,如果span 1不在最后位置不能简化 */grid-area: 1 / 2 / span 2 / span 2;background-color: firebrick;}

gap: 垂直方向 水平方向
<div class="cnt"><div class="item">item1</div><div class="item">item2</div><div class="item">item3</div><div class="item">item4</div><div class="item">item5</div><div class="item">item6</div></div>
.cnt{width: 500px;height: 500px;background-color: antiquewhite;/* 转换为grid网格容器 */display: grid;/*子元素宽度总和需要小于父元素才会有效果*/grid-template-columns: repeat(3, 100px);grid-template-rows: repeat(3, 100px);/* 行列间隙 垂直方向 水平方向 数值相同可以简写*/gap: 5px 5px;}

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1.875rem 1.25rem;}.list ul > li{border-radius: 6px;background-color: #fff;padding-bottom: .6875rem;overflow: hidden;}.list ul > li img{display: block;max-width: 100%;object-fit: cover;}.list-txt{padding: 1.125rem;padding-bottom: 0;font-size: .875rem;}.txt-title{height: 2.8125rem;line-height: 1.5625rem;color: #333;overflow: hidden;}.txt-title > i{display: inline-block;width: 1.75rem;height: 1rem;line-height: 1rem;overflow: hidden;text-align: center;font-size: .75rem;border-radius: 2px;padding: .125rem .25rem;background: #FCE7E0;color: #FD4029;vertical-align: middle;margin-right: .3125rem;}.txt-bottom{display: flex;justify-content: space-between;margin-top: .9375rem;color: #b7b7b7;}.txt-bottom i{display: inline-block;margin-right: .3125rem;}.txt-title a{color: #333;}h1 {font-size: 1.375rem;color: #333333;}</style></body></html>

/* 转换为grid网格容器 */display: grid;/* 创建显式网格 *//* 相同并且相邻的值,可以用repeat()简化 (个数, 比例 单位用fr) *//* grid-template-columns /rows: 1fr 2fr 1fr; 使用不同比例操作*/grid-template-columns: repeat(3, 1fr);grid-template-rows: repeat(3, 1fr);/* 排列规则 *//* row行优先 默认 column 垂直排列*/grid-auto-flow: row;grid-auto-flow: column;/* 隐式网格 *//* 超出显示网格数量的子元素,创建在隐式网格中(自动分配位置) */grid-auto-rows: 1fr;/* 子元素在容器中对齐方式 两个值*//* place-content: 垂直方向 水平方向; *//* 可选值start center end */place-content: center end;/* 剩余空间还可以在所有项目之间进行分配 */place-content: space-around space-between;place-content: space-between space-around;place-content: space-between;place-content: space-around;/*控制子元素在网格中 垂直方向 水平方向*//* place-items: 垂直方向 水平方向; 两个值*//* 可选值start center end *//* 与上方相同 */place-items: start center;place-items: center center;place-items: center end;place-items: center center;/* 行列间隙 垂直方向 水平方向 数值相同可以简写*/gap: 5px 5px;item/* 相对于单元格调整对齐方式 *//* place-self: 垂直方向 水平方向; *//* 可选值start/center/end; */place-self: center end;/* 跨越单元格 */grid-row: 2;grid-column: 1;/* 占据多个单元格 */grid-row: 2 / span 1;grid-column: 2 / span 2;/* grid-area: 行开始 / 列开始 / 行结束 / 列结束; *//* tips: 如果是span 1 可以简化,如果span 1不在最后位置不能简化 */grid-area: 1 / 2 / span 2 / span 2;
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