Files
test-repo/docs/.vitepress/theme/components/appendix/web-basics/CssFlexbox.vue
T
2026-01-15 20:10:19 +08:00

370 lines
8.1 KiB
Vue

<template>
<div class="css-flexbox">
<div class="preview-container">
<div class="flex-container" :style="flexContainerStyle">
<div
v-for="(item, index) in items"
:key="index"
class="flex-item"
:style="{ flex: item.flex, minWidth: item.minWidth + 'px' }"
>
Item {{ index + 1 }}
</div>
</div>
</div>
<div class="controls">
<div class="control-section">
<div class="section-title">容器属性</div>
<div class="control-group">
<label>flex-direction (方向)</label>
<div class="button-group">
<button
v-for="dir in ['row', 'column', 'row-reverse', 'column-reverse']"
:key="dir"
class="control-btn"
:class="{ active: flexDirection === dir }"
@click="flexDirection = dir"
>
{{ dir }}
</button>
</div>
</div>
<div class="control-group">
<label>justify-content (主轴对齐)</label>
<div class="button-group">
<button
v-for="align in ['flex-start', 'center', 'flex-end', 'space-between', 'space-around', 'space-evenly']"
:key="align"
class="control-btn"
:class="{ active: justifyContent === align }"
@click="justifyContent = align"
>
{{ align }}
</button>
</div>
</div>
<div class="control-group">
<label>align-items (交叉轴对齐)</label>
<div class="button-group">
<button
v-for="align in ['stretch', 'flex-start', 'center', 'flex-end']"
:key="align"
class="control-btn"
:class="{ active: alignItems === align }"
@click="alignItems = align"
>
{{ align }}
</button>
</div>
</div>
<div class="control-group">
<label>flex-wrap (换行)</label>
<div class="button-group">
<button
class="control-btn"
:class="{ active: flexWrap === 'nowrap' }"
@click="flexWrap = 'nowrap'"
>
nowrap
</button>
<button
class="control-btn"
:class="{ active: flexWrap === 'wrap' }"
@click="flexWrap = 'wrap'"
>
wrap
</button>
<button
class="control-btn"
:class="{ active: flexWrap === 'wrap-reverse' }"
@click="flexWrap = 'wrap-reverse'"
>
wrap-reverse
</button>
</div>
</div>
<div class="control-group">
<label>gap (间距)</label>
<input
type="range"
v-model.number="gap"
min="0"
max="30"
class="slider"
/>
<span class="value">{{ gap }}px</span>
</div>
</div>
<div class="control-section">
<div class="section-title">项目属性</div>
<div class="control-group">
<label>Item 1 flex-grow</label>
<input
type="range"
v-model.number="items[0].flex"
min="0"
max="3"
step="0.5"
class="slider"
/>
<span class="value">{{ items[0].flex }}</span>
</div>
<div class="control-group">
<label>Item 2 flex-grow</label>
<input
type="range"
v-model.number="items[1].flex"
min="0"
max="3"
step="0.5"
class="slider"
/>
<span class="value">{{ items[1].flex }}</span>
</div>
<div class="control-group">
<label>Item 3 flex-grow</label>
<input
type="range"
v-model.number="items[2].flex"
min="0"
max="3"
step="0.5"
class="slider"
/>
<span class="value">{{ items[2].flex }}</span>
</div>
</div>
</div>
<div class="code-output">
<div class="code-title">生成的 CSS 代码</div>
<pre><code>.container {
display: flex;
flex-direction: {{ flexDirection }};
justify-content: {{ justifyContent }};
align-items: {{ alignItems }};
flex-wrap: {{ flexWrap }};
gap: {{ gap }}px;
}
.item {
flex: {{ items[0].flex }}; /* 第一个项目的值 */
}</code></pre>
</div>
</div>
</template>
<script setup>
import { computed, ref } from 'vue'
const flexDirection = ref('row')
const justifyContent = ref('flex-start')
const alignItems = ref('stretch')
const flexWrap = ref('nowrap')
const gap = ref(0)
const items = ref([
{ flex: 1, minWidth: 60 },
{ flex: 1, minWidth: 60 },
{ flex: 1, minWidth: 60 }
])
const flexContainerStyle = computed(() => ({
display: 'flex',
flexDirection: flexDirection.value,
justifyContent: justifyContent.value,
alignItems: alignItems.value,
flexWrap: flexWrap.value,
gap: gap.value + 'px',
minHeight: '200px',
background: '#f3f4f6',
borderRadius: '8px',
padding: '10px'
}))
</script>
<style scoped>
.css-flexbox {
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
padding: 20px;
background: var(--vp-c-bg-soft);
margin: 20px 0;
}
.preview-container {
background: var(--vp-c-bg);
border-radius: 8px;
padding: 20px;
margin-bottom: 20px;
}
.flex-container {
width: 100%;
min-height: 200px;
}
.flex-item {
padding: 20px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
font-weight: 600;
text-align: center;
border-radius: 6px;
display: flex;
align-items: center;
justify-content: center;
}
.flex-item:nth-child(2) {
background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.flex-item:nth-child(3) {
background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}
.controls {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 20px;
margin-bottom: 20px;
}
@media (max-width: 768px) {
.controls {
grid-template-columns: 1fr;
}
}
.control-section {
background: var(--vp-c-bg);
border-radius: 8px;
padding: 15px;
}
.section-title {
font-size: 0.95rem;
font-weight: bold;
color: var(--vp-c-text-1);
margin-bottom: 15px;
padding-bottom: 10px;
border-bottom: 2px solid var(--vp-c-divider);
}
.control-group {
margin-bottom: 15px;
}
.control-group label {
display: block;
font-size: 0.85rem;
font-weight: 600;
color: var(--vp-c-text-2);
margin-bottom: 8px;
}
.button-group {
display: flex;
flex-wrap: wrap;
gap: 6px;
}
.control-btn {
padding: 6px 12px;
border: 2px solid var(--vp-c-divider);
background: var(--vp-c-bg-soft);
color: var(--vp-c-text-2);
border-radius: 6px;
font-size: 0.75rem;
font-weight: 600;
cursor: pointer;
transition: all 0.2s;
}
.control-btn:hover {
border-color: var(--vp-c-brand);
color: var(--vp-c-brand);
}
.control-btn.active {
border-color: var(--vp-c-brand);
background: var(--vp-c-brand);
color: white;
}
.slider {
width: 100%;
height: 6px;
border-radius: 3px;
background: var(--vp-c-divider);
outline: none;
-webkit-appearance: none;
}
.slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 16px;
height: 16px;
border-radius: 50%;
background: var(--vp-c-brand);
cursor: pointer;
}
.slider::-moz-range-thumb {
width: 16px;
height: 16px;
border-radius: 50%;
background: var(--vp-c-brand);
cursor: pointer;
border: none;
}
.value {
font-size: 0.8rem;
color: var(--vp-c-brand);
font-family: monospace;
font-weight: 600;
margin-left: 8px;
}
.code-output {
background: var(--vp-c-bg);
border-radius: 8px;
padding: 20px;
border-left: 4px solid var(--vp-c-brand);
}
.code-title {
font-size: 0.95rem;
font-weight: bold;
color: var(--vp-c-text-1);
margin-bottom: 12px;
}
pre {
background: #1e1e1e;
border-radius: 6px;
padding: 15px;
overflow-x: auto;
}
code {
font-family: 'Monaco', 'Courier New', monospace;
font-size: 0.85rem;
color: #d4d4d4;
line-height: 1.6;
}
</style>