align-items 属性与对齐内容相同.但是在这里,项目在交叉访问(垂直)上对齐.
用法 :
align-items: flex-start | flex-end | center | baseline | stretch;
此属性接受以下值 :
flex-start : Flex项目在容器顶部垂直对齐.
flex-end : 柔性物品在容器底部垂直对齐.
flex-center : 柔性物品在容器的中心垂直对齐.
拉伸 : Flex项目垂直对齐,以便填充容器的整个垂直空间.
基线 : 对齐flex项目,使其文本的基线沿水平线对齐.
flex-start
在将此值传递给属性align-items时,flex项目在容器顶部垂直对齐.
以下示例演示了将值 flex-start 传递给 align-items property.
<!doctype html><html lang = "en"> <style> .box1{background:green;} .box2{background:blue;} .box3{background:red;} .box4{background:magenta;} .box5{background:yellow;} .box6{background:pink;} .box{ font-size:35px; padding:15px; } .container{ display:flex; height:100vh; align-items:flex-start; } </style> <body> <div class = "container"> <div class = "box box1">One</div> <div class = "box box2">two</div> <div class = "box box3">three</div> <div class = "box box4">four</div> <div class = "box box5">five</div> <div class = "box box6">six</div> </div> </body></html>
flex-end
将此值传递给属性align-items时,flex-items在容器的底部垂直对齐。
以下示例演示将值flex-end传递给align-items属性的结果。
<!doctype html><html lang = "en"> <style> .box1{background:green;} .box2{background:blue;} .box3{background:red;} .box4{background:magenta;} .box5{background:yellow;} .box6{background:pink;} .box{ font-size:35px; padding:15px; } .container{ display:flex; height:100vh; align-items:flex-end; } </style> <body> <div class = "container"> <div class = "box box1">One</div> <div class = "box box2">two</div> <div class = "box box3">three</div> <div class = "box box4">four</div> <div class = "box box5">five</div> <div class = "box box6">six</div> </div> </body></html>
center
将此值传递给属性align-items时,flex-items在容器的中心垂直对齐。
以下示例演示将值flex-center传递给align-items属性的结果。
<!doctype html><html lang = "en"> <style> .box1{background:green;} .box2{background:blue;} .box3{background:red;} .box4{background:magenta;} .box5{background:yellow;} .box6{background:pink;} .box{ font-size:35px; padding:15px; } .container{ display:flex; height:100vh; align-items:center; } </style> <body> <div class = "container"> <div class = "box box1">One</div> <div class = "box box2">two</div> <div class = "box box3">three</div> <div class = "box box4">four</div> <div class = "box box5">five</div> <div class = "box box6">six</div> </div> </body></html>
stretch
将此值传递给属性align-items时,flex-items将垂直对齐,以便它们填充容器的整个垂直空间。
以下示例演示将值stretch传递给align-items属性的结果。
<!doctype html><html lang = "en"> <style> .box1{background:green;} .box2{background:blue;} .box3{background:red;} .box4{background:magenta;} .box5{background:yellow;} .box6{background:pink;} .box{ font-size:35px; padding:15px; } .container{ display:flex; height:100vh; align-items:stretch; } </style> <body> <div class = "container"> <div class = "box box1">One</div> <div class = "box box2">two</div> <div class = "box box3">three</div> <div class = "box box4">four</div> <div class = "box box5">five</div> <div class = "box box6">six</div> </div> </body></html>
baseline
将此值传递给属性align-items时,将对齐flex-items,使其文本的基线沿水平线对齐。
以下示例演示了将值基线传递给align-items属性的结果。
<!doctype html><html lang = "en"> <style> .box1{background:green;} .box2{background:blue;} .box3{background:red;} .box4{background:magenta;} .box5{background:yellow;} .box6{background:pink;} .box{ font-size:35px; padding:15px; } .container{ display:flex; height:100vh; align-items:baseline; } </style> <body> <div class = "container"> <div class = "box box1">One</div> <div class = "box box2">two</div> <div class = "box box3">three</div> <div class = "box box4">four</div> <div class = "box box5">five</div> <div class = "box box6">six</div> </div> </body></html>
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