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编辑
一、flex容器的样式属性(父元素属性) display:flex 弹性盒子#xff0c;实现水平排列,在父盒子设置#xff0c;适用于单行/单列
justify-content
二、flex元素的样式属性(子元素属性)
1.flex-grow 2.flex-shrink
3.flex-basis
4.flex组合属性 flex:flex-… 目录
编辑
一、flex容器的样式属性(父元素属性) display:flex 弹性盒子实现水平排列,在父盒子设置适用于单行/单列
justify-content
二、flex元素的样式属性(子元素属性)
1.flex-grow 2.flex-shrink
3.flex-basis
4.flex组合属性 flex:flex-grow flex-shrink flex-basis
5.order
6.align-self 单独控制某个元素 一、flex容器的样式属性(父元素属性) display:flex 弹性盒子实现水平排列,在父盒子设置适用于单行/单列
默认子盒子宽高度超过父盒子时按父盒子宽高度均分再多则会溢出 flex和上面的blockinlineinline-block并列 display只能设置一个属性display和float不能出现在同一个盒子的属性里。 flex-direction: column;flex-wrap:wrap; 等于 flex-flow: row wrap;
使用F12可快速调试各属性的页面效果 justify-content
justify-content:space-evenly; justify-content:space-between; justify-content: space-around;两侧的空间是中间元素间隔空间的一半 stretch(默认值) align-items:baseline; 二、flex元素的样式属性(子元素属性)
1.flex-grow
单个盒子范围0~1 延伸至剩余空间的0~1
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleflex-grow/titlestyle.box{width: 500px;height: 300px;background-color: skyblue;display: flex;}.box div{width: 100px;height: 100px;background-color: pink;flex-grow: 0.6;}/style
/head
bodydiv classboxdiv1/div/div
/body
/html 多个子盒子设置超过1时剩余空间分成n份
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleflex-grow/titlestyle.box{width: 500px;height: 300px;background-color: skyblue;display: flex;}.box div:nth-of-type(1){width: 100px;height: 100px;background-color: pink;flex-grow: 3;}.box div:nth-of-type(2){width: 200px;height: 100px;background-color: green;flex-grow: 2;}/style
/head
bodydiv classboxdiv1/divdiv2/div/div
/body
/html 2.flex-shrink
收缩超出部分的0~1
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleflex-grow/titlestyle.box{width: 500px;height: 300px;background-color: skyblue;display: flex;}.box div:nth-of-type(1){width: 600px;height: 100px;background-color: pink;flex-shrink: 0.5;}/* .box div:nth-of-type(2){width: 200px;height: 100px;background-color: green;} *//style
/head
bodydiv classboxdiv1/div!-- div2/div --/div
/body
/html 3.flex-basis
设置主轴初始尺寸0%(不起作用)n px
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleflex-grow/titlestyle.box{width: 500px;height: 500px;background-color: skyblue;display: flex;}.box div:nth-of-type(1){width: 100px;height: 100px;background-color: pink;/* flex-shrink: 0.5; */flex-basis: 200px;}/* .box div:nth-of-type(2){width: 200px;height: 100px;background-color: green;flex-grow: 0.5;} *//style
/head
bodydiv classboxdiv1/div!-- div2/div --/div
/body
/html 4.flex组合属性 flex:flex-grow flex-shrink flex-basis
flex:1; 表示1 1 0%
flex:0.5; 表示0.5 1 0%
5.order
顺序
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleflex-grow/titlestyle.box{width: 500px;height: 500px;background-color: skyblue;display: flex;/* flex-direction: column; */}.box div{width: 100px;height: 100px;background-color: pink;border: 1px solid black;}.box div:nth-of-type(1){order:1;}.box div:nth-of-type(1){order:-1;}/style
/head
bodydiv classboxdiv1/divdiv2/divdiv3/divdiv4/div/div
/body
/html 6.align-self 单独控制某个元素
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleflex-grow/titlestyle.box{width: 500px;height: 300px;background-color: skyblue;display: flex;/* flex-direction: column; */}/* .box div:nth-of-type(1){width: 100px;height: 100px;background-color: pink;flex-shrink: 0.5;flex-basis: 200px;flex:1;} *//* .box div:nth-of-type(2){width: 200px;height: 100px;background-color: green;flex-grow: 0.5;} */.box div{width: 100px;height: 100px;background-color: pink;border: 1px solid black;}/* .box div:nth-of-type(1){order:1;} */.box div:nth-of-type(4){align-self: flex-end;}/style
/head
bodydiv classboxdiv1/divdiv2/divdiv3/divdiv4/div/div
/body
/html
