flex布局：justify-content

最新推荐文章于 2025-07-24 01:39:37 发布

原创最新推荐文章于 2025-07-24 01:39:37 发布 · 2.8k 阅读

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CC 4.0 BY-SA版权

本文通过一个实例介绍了如何使用Flex布局来调整元素的位置，并演示了不同justify-content属性值的效果。

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        div#main{
            display: flex;
            justify-content:flex-start; 
            width: 300px;
            border: 1px solid #000;
            margin-top: 30px;
        }
        div#main div{
            width: 50px;
            height: 50px;
        }
    </style>
</head>
<body>
    <div>
        <div><input autocomplete="off" type="radio" name="radio_position" onclick="click_position(this)" value="flex-start" checked='checked' /><label for="value_1">justify-content: flex-start</label></div>
        <div><input autocomplete="off" type="radio" name="radio_position" onclick="click_position(this)" value="flex-end" /><label for="value_2">justify-content: flex-end</label></div>
        <div><input autocomplete="off" type="radio" name="radio_position" onclick="click_position(this)" value="center" /><label for="value_3">justify-content: center</label></div>
        <div><input autocomplete="off" type="radio" name="radio_position" onclick="click_position(this)" value="space-between" /><label for="value_4">justify-content: space-between</label></div>
        <div><input autocomplete="off" type="radio" name="radio_position" onclick="click_position(this)" value="space-around" /><label for="value_5">justify-content: space-around</label></div>
        <div><input autocomplete="off" type="radio" name="radio_position" onclick="click_position(this)" value="initial" /><label for="value_6">justify-content: initial</label></div>
    </div>
    <div id="main" style="">
        <div style="background-color:coral;"></div>
        <div style="background-color:lightblue;"></div>
        <div style="background-color:khaki;"></div>
        <div style="background-color:pink;"></div>
    </div>

    <script>
        function click_position(obj){
            document.getElementById("main").style.justifyContent = obj.value;
        }
    </script>
</body>
</html>

效果：
这里写图片描述