5-flex 容器主轴与项目换行简写 · 前端教学笔记[更新中...]

# flex 容器主轴与项目换行简写 ## 1. `flex-flow`属性 - `flex-flow`是属性`flex-direction`和`flex-wrap`的简写 - 语法: `flex-flow: flex-direction flex-wrap` | 属性值 | 描述 | | ------------------ | -------------------- | | `row nowrap`默认值 | 主轴水平, 项目不换行 | --- ## 2. 示例 ![](https://img.kancloud.cn/d7/84/d7846201d76b0077cc0ac56d082be55b_892x544.jpg) ```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>flex容器主轴与项目换行简写</title> <style> /* 容器尺寸 */ .container { width: 300px; height: 150px; } /* flex容器 */ .container { display: flex; } /* flex容器主轴与项目换行简写*/ .container { /* 默认: 主轴水平, 项目不换行 */ flex-flow: row nowrap; /* 主轴水平,项目换行 */ flex-flow: row wrap; /* 主轴垂直, 项目不换行 */ flex-flow: column nowrap; /* 主轴垂直, 项目换行 */ flex-flow: column wrap; /* 项目反向排列与反向换行,大家自行测试 */ } /* flex项目 */ .item { width: 100px; height: 50px; background-color: lightcyan; font-size: 1.5rem; } </style> </head> <body> <div class="container"> <div class="item">1</div> <div class="item">2</div> <div class="item">3</div> <div class="item">4</div> </div> </body> </html> ```