在web中垂直布局有哪几种 分别举例展示
时间: 2024-01-21 10:20:14 浏览: 77
在web中,常见的垂直布局有以下几种:
1. 块级元素布局:使用 display: block; 把元素变成块级元素,然后使用 margin 或者 padding 实现垂直布局。例如:
```html
<div class="box">
<div class="item">Item 1</div>
<div class="item">Item 2</div>
<div class="item">Item 3</div>
</div>
```
```css
.box {
display: block;
height: 300px;
background-color: #f2f2f2;
}
.item {
display: block;
height: 100px;
margin-top: 20px;
background-color: #ccc;
}
```
2. 表格布局:使用 display: table; 和 display: table-cell; 实现表格布局,可以使元素垂直居中。例如:
```html
<div class="box">
<div class="item">Item 1</div>
<div class="item">Item 2</div>
<div class="item">Item 3</div>
</div>
```
```css
.box {
display: table;
height: 300px;
background-color: #f2f2f2;
}
.item {
display: table-cell;
vertical-align: middle;
background-color: #ccc;
}
```
3. Flex布局:使用 display: flex; 实现弹性布局,可以使元素垂直居中。例如:
```html
<div class="box">
<div class="item">Item 1</div>
<div class="item">Item 2</div>
<div class="item">Item 3</div>
</div>
```
```css
.box {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
height: 300px;
background-color: #f2f2f2;
}
.item {
background-color: #ccc;
}
```
以上是三种常见的垂直布局方式。当然,还有其他的方式,如使用绝对定位等。
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