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关键词:flex 布局相关属性问题
在 CSS 的弹性盒模型(Flexbox)中,flex: 1表示子项(flex 子项)的伸缩性。
flex: 1
具体来说,flex: 1是flex-grow、flex-shrink和flex-basis三个属性的简写。其默认值等同于flex: 1 1 0%,分别代表以下含义:
flex-grow
flex-shrink
flex-basis
flex: 1 1 0%
flex-grow: 1
flex-shrink: 1
flex-basis: 0%
0%
flex: 1经常用于自适应布局。例如,将父容器的display设置为flex,侧边栏大小固定后,将内容区设置为flex: 1,内容区则会自动放大占满剩余空间。
display
flex
以下是一个简单的示例代码,展示了flex: 1的效果:
<!DOCTYPE html> <html> <head> <style> .container { display: flex; width: 300px; height: 200px; background-color: lightblue; } .item1 { background-color: lightcoral; flex: 1; } .item2 { background-color: lightgreen; flex: 1; } </style> </head> <body> <div class="container"> <div class="item1">item1</div> <div class="item2">item2</div> </div> </body> </html>
在上述代码中,.container是一个 flex 容器,它包含两个子元素.item1和.item2,并且都将flex属性设置为1。当调整.container的宽度时,.item1和.item2会等比例地增大或缩小,以占满剩余空间。
.container
.item1
.item2
1
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关键词:flex 布局相关属性问题
在 CSS 的弹性盒模型(Flexbox)中,
flex: 1
表示子项(flex 子项)的伸缩性。具体来说,
flex: 1
是flex-grow
、flex-shrink
和flex-basis
三个属性的简写。其默认值等同于flex: 1 1 0%
,分别代表以下含义:flex-grow: 1
:定义项目的放大比例为 1。这意味着当弹性容器有剩余空间时,该子项将按照比例伸展以填充剩余空间。如果存在多个flex-grow: 1
的子项,它们将等分剩余空间。flex-shrink: 1
:定义项目的缩小比例为 1。即如果空间不足,该项目将缩小。flex-basis: 0%
:在分配多余空间之前,计算项目是否有多余空间,这里的0%
表示不考虑项目本身的大小。flex: 1
经常用于自适应布局。例如,将父容器的display
设置为flex
,侧边栏大小固定后,将内容区设置为flex: 1
,内容区则会自动放大占满剩余空间。以下是一个简单的示例代码,展示了
flex: 1
的效果:在上述代码中,
.container
是一个 flex 容器,它包含两个子元素.item1
和.item2
,并且都将flex
属性设置为1
。当调整.container
的宽度时,.item1
和.item2
会等比例地增大或缩小,以占满剩余空间。The text was updated successfully, but these errors were encountered: