justify-content
justify-content 属性定义 Flex 项目在主轴方向上的对齐方式。
语法
css
justify-content: flex-start | flex-end | center | space-between | space-around | space-evenly | start | end | left | right | safe | unsafe;常见值
| 值 | 说明 | 示例 |
|---|---|---|
flex-start | 起始对齐 | justify-content: flex-start |
flex-end | 结束对齐 | justify-content: flex-end |
center | 居中对齐 | justify-content: center |
space-between | 两端对齐 | justify-content: space-between |
space-around | 周围对齐 | justify-content: space-around |
space-evenly | 均匀对齐 | justify-content: space-evenly |
示例
基础用法
css
/* 起始对齐 */
.flex-start {
justify-content: flex-start;
}
/* 结束对齐 */
.flex-end {
justify-content: flex-end;
}
/* 居中对齐 */
.center {
justify-content: center;
}
/* 两端对齐 */
.space-between {
justify-content: space-between;
}
/* 周围对齐 */
.space-around {
justify-content: space-around;
}
/* 均匀对齐 */
.space-evenly {
justify-content: space-evenly;
}高级用法
css
/* Flex 容器 */
.flex-container {
display: flex;
justify-content: flex-start;
}
/* 起始对齐 */
.flex-start {
justify-content: flex-start;
}
/* 结束对齐 */
.flex-end {
justify-content: flex-end;
}
/* 居中对齐 */
.center {
justify-content: center;
}
/* 两端对齐 */
.space-between {
justify-content: space-between;
}
/* 周围对齐 */
.space-around {
justify-content: space-around;
}
/* 均匀对齐 */
.space-evenly {
justify-content: space-evenly;
}
/* 响应式布局 */
.responsive {
display: flex;
justify-content: center;
}
/* 卡片布局 */
.card {
display: flex;
justify-content: center;
}
/* 表单布局 */
.form {
display: flex;
justify-content: flex-start;
}
/* 图片画廊 */
.gallery {
display: flex;
justify-content: space-between;
}
/* 混合单位 */
.mixed-units {
display: flex;
justify-content: center;
}
/* 带命名的项目 */
.named-items {
display: flex;
justify-content: space-around;
}
/* 悬停效果 */
.card {
transition: justify-content 0.3s ease-in-out;
}
.card:hover {
justify-content: space-between;
}浏览器兼容性
| 浏览器 | 版本 |
|---|---|
| Chrome | 29+ |
| Firefox | 28+ |
| Safari | 9+ |
| Edge | 12+ |
| iOS Safari | 9.2+ |
| Android Browser | 4.4+ |
| Chrome for Android | 57+ |
注意事项
justify-content只在 Flex 容器中有效justify-content定义 Flex 项目在主轴方向上的对齐方式flex-start是默认值，表示起始对齐space-between表示两端对齐，项目之间间距相等