批改状态:合格
老师批语:看来是理解也, grid属性众多, 今晚还要介绍一些
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* {margin: 0;padding: 0;box-sizing: border-box;}a {text-decoration: none;color: #555;}.item > span:nth-of-type(2n-1) {color: white;font-size: 0.6rem;padding: 2px;background-color: #999;border-radius: 3px;}html,body {width: 100%;height: 100%;overflow: hidden;}.container {width: 1042px;height: 600px;display: grid;/* 注意参数中间是有逗号的 */grid-template-columns: repeat(5, 200px);grid-template-rows: repeat(3, 180px);gap: 20px;margin: auto;/* 设置命名区域名称 */grid-template-areas:"pic1 . . . ."". . . . ."". . . . .";}.container > .item {/* border: 1px solid #000; */border-radius: 10px;box-shadow: 0 0 6px rgb(179, 179, 179);position: relative;}.container > .item:first-of-type {grid-row: span 2;text-align: center;color: #4d555d;grid-area: pic1;}h2 {text-align: center;margin: 20px;}.item > img {width: 100%;height: 80%;border-radius: 5px 5px 0 0;}.item > img:first-of-type {width: 100%;height: 100%;border-radius: 5px;}.item > div {position: relative;height: 60px;top: -30%;background-color: whitesmoke;padding: 3px;border-radius: 4px;}.item > div > span:first-of-type {background-color: #999;padding: 3px;color: aliceblue;font-size: 0.6rem;border-radius: 5px;text-align: center;}.item > div > a {font-size: 0.8rem;padding: 2px;white-space: nowrap;text-overflow: clip;}/* a标签后面添加一个伪类after,强制换行,播放次数信息就重新开一行 */.item > div > a::after {content: "\A";white-space: pre;}.item > div > span:last-of-type {color: #888;font-size: 0.6rem;padding: 2px;text-align: left;}.item > div:hover {color: #333;top: -68%;height: 120px;}
1.命名区域布局比较方便
grid-template-areas:"pic1 . . . ."". . . . ."". . . . .";}
2.每个格子对应一个item,第一个item跨了行,grid-row: span 2
3.第一个item绑定pic1放入项目即可
4.下方 初级,课程名,播放次数等信息放进一个div中,并使用相对定位,向上偏移一定的距离
5.div设置hover效果,调整偏移距离,显示提拉效果
6.a标签后面添加一个伪类after,强制换行,播放次数信息就重新开一行


| 属性 | 功能 |
|---|---|
display:grid |
声明grid容器 |
| grid-template-column: | grid-template-column:列1宽 列2宽 …… 列n宽,1fr为自适应(1fr指的是剩余空间分1份全都给它) |
| grid-template-row: | grid-template-row:行1高 行2高 …… 行n高,1fr为自适应 |
| gap | column-gap列间隙,row-gap行间隙 |
| grid-column-start | 列开始 |
| grid-column-end | 列结束,默认跨一行或者一列。结束可以不写 |
| grid-row-start | 行开始 |
| grid-row-end | 行结束,默认跨一行或者一列。结束可以不写 |
grid-area |
定义区域,上述四个定位的简写grid-area:行起始/列起始/行结束/列结束,可以结合span使用,这种叫索引网格区;如果是字符串,叫命名网格区 |
| span | 行与列的跨越。网格区域,矩形,不用计算,只需要知道跨越多少就行 |
| grid-column参数合并简写 | grid-column:起始/结束(span n) |
| grid-row参数合并简写 | grid-row:起始/结束(span n) |
| grid-column:span n | 根据项目的当前默认位置进行简化grid-column-end:span n同样效果 |
| repeat(次数 尺寸) | 基础尺寸重复n次 |
占位符用.一个.代表一个单元格
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