CSS flex-basis用法及代码示例

CSS中的flex-basis属性用于指定弹性项目的初始大小。如果元素不是弹性项目，则不使用flex属性。

用法:

flex-basis:number|auto|initial|inherit;

属性值：

number:它是一个长度单位，用于定义该项目的初始长度。
auto:这是默认值，如果未指定长度，则长度将取决于其内容。
initial:它将属性设置为其默认值。
inherit:它指定属性应从其父元素继承其值。

范例1：

<!DOCTYPE html> 
<html> 
      
<head> 
    <style> 
        .Geeks { 
            width:385px; 
            height:70px; 
            display:flex; 
        } 
          
        .Geeks div { 
            flex-grow:0; 
            flex-shrink:0; 
            flex-basis:80px; 
              
            /* For Safari 6.1 and above browsers */ 
            -webkit-flex-grow:0;  
            -webkit-flex-shrink:0; 
            -webkit-flex-basis:80px; 
        } 
          
        .Geeks div:nth-of-type(2) { 
            flex-basis:50%; 
        } 
        .Geeks div:nth-of-type(3) { 
            flex-basis:auto; 
        } 
        .Geeks div:nth-of-type(4) { 
            flex-basis:initial; 
        } 
        .Geeks div:nth-of-type(5) { 
            flex-basis:inherit; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
          
        <h1> 
            The flex-basis Property 
        </h1> 
          
        <div class = "Geeks"> 
              
            <div style = "background-color:green;"> 
                number 80px 
            </div> 
              
            <div style = "background-color:lightgreen;"> 
                percentage 
            </div> 
              
            <div style = "background-color:green;"> 
                auto 
            </div> 
              
            <div style = "background-color:lightgreen;"> 
                initial 
            </div> 
              
            <div style = "background-color:green;"> 
                inherit 
            </div> 
        </div>  
          
    </center> 
</body> 
  
</html>

输出：

范例2：

<!DOCTYPE html> 
<html> 
      
<head> 
    <style> 
        .Geeks { 
            width:560px; 
            height:100px; 
            border:1px solid black;  
            display:flex; 
        } 
          
        .Geeks div { 
            flex-grow:0; 
            flex-shrink:0; 
            flex-basis:80px; 
        } 
        .Geeks div:nth-of-type(2) { 
            flex-basis:200px; 
        } 
        .Geeks div:nth-of-type(5) { 
            flex-basis:120px; 
        } 
        h3{ 
            color:Green; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
          
        <h1> 
            The flex-basis Property 
        </h1> 
          
        <div class = "Geeks"> 
            <div style="background-color:green"> 
                80px 
            </div> 
              
            <div style="background-color:lightgreen"> 
                GeeksforGeeks <br>200px 
            </div> 
              
            <div style="background-color:green"> 
                80px 
            </div> 
              
            <div style="background-color:lightgreen"> 
                80px 
            </div> 
              
            <div style="background-color:green"> 
                120px 
            </div> 
        </div>  
    </center> 
</body> 
  
</html>

输出：

支持的浏览器：下面列出了flex-basis属性支持的浏览器：

Google Chrome 29.0、21.0 -webkit-
Internet Explorer 11.0
Mozilla Firefox 28.0、18.0 -moz-
Safari 9.0、6.1 -webkit-
Opera 17.0

相关用法

注：本文由纯净天空筛选整理自Sabya_Samadder大神的英文原创作品 CSS | flex-basis Property。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。