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test-repo/docs/.vitepress/theme/components/appendix/api-design/DataFieldDesignDemo.vue
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<template>
<div class="demo">
<div class="header">
<span class="icon">📦</span>
<span class="title">data 字段设计规范</span>
</div>
<div class="tabs">
<button
v-for="tab in tabs"
:key="tab.id"
:class="['tab', { active: active === tab.id }]"
@click="active = tab.id"
>
{{ tab.icon }} {{ tab.name }}
</button>
</div>
<div class="content">
<div v-if="active === 'structure'" class="section">
<h4>单对象 vs 列表</h4>
<div class="compare-row">
<div class="compare-col">
<div class="compare-title">单对象</div>
<pre class="code-sm">{
"code": 0,
"data": {
"id": 123,
"name": "张三"
}
}</pre>
</div>
<div class="compare-col">
<div class="compare-title">列表</div>
<pre class="code-sm">{
"code": 0,
"data": {
"items": [...],
"pagination": {
"page": 1,
"total": 100
}
}
}</pre>
</div>
</div>
<div class="note">列表数据包裹在 items 数组中分页信息放在 pagination 对象</div>
</div>
<div v-if="active === 'naming'" class="section">
<h4>字段命名规范</h4>
<div class="rule-list">
<div
v-for="rule in namingRules"
:key="rule.name"
class="rule-item"
>
<div class="rule-header">
<span class="rule-icon">{{ rule.icon }}</span>
<span class="rule-name">{{ rule.name }}</span>
</div>
<div class="rule-examples">
<code class="good">{{ rule.good }}</code>
<span
v-if="rule.bad"
class="vs"
>vs</span>
<code
v-if="rule.bad"
class="bad"
>{{ rule.bad }}</code>
</div>
<div class="rule-desc">{{ rule.desc }}</div>
</div>
</div>
</div>
<div v-if="active === 'datetime'" class="section">
<h4>时间格式设计</h4>
<div class="time-example">
<pre class="code-block">{
"created_at": "2024-01-15T09:30:00.000Z",
"updated_at": "2024-01-15T10:00:00.000Z",
"expired_at": "2025-01-15T00:00:00.000Z"
}</pre>
</div>
<div class="time-rules">
<div class="time-rule">
<span class="rule-label">格式</span>
<span class="rule-value">ISO 8601</span>
</div>
<div class="time-rule">
<span class="rule-label">时区</span>
<span class="rule-value">UTCZ 后缀或明确偏移量</span>
</div>
<div class="time-rule">
<span class="rule-label">精度</span>
<span class="rule-value">毫秒 .000Z</span>
</div>
<div class="time-rule">
<span class="rule-label">命名</span>
<span class="rule-value">xxx_at 表示时间点xxx_duration 表示时长</span>
</div>
</div>
</div>
<div v-if="active === 'null'" class="section">
<h4>空值处理</h4>
<div class="compare-row">
<div class="compare-col good-col">
<div class="compare-title"> 推荐</div>
<pre class="code-sm">{
"name": "张三",
"nickname": null,
"avatar": null
}</pre>
<div class="compare-desc">字段存在但无值时返回 null</div>
</div>
<div class="compare-col bad-col">
<div class="compare-title"> 不推荐</div>
<pre class="code-sm">{
"name": "张三"
}</pre>
<div class="compare-desc">省略字段前端需判断是否存在</div>
</div>
</div>
<div class="null-tips">
<div class="tip-item">空数组返回 <code>[]</code></div>
<div class="tip-item">空对象返回 <code>{}</code></div>
<div class="tip-item">前端可统一处理无需判断字段是否存在</div>
</div>
</div>
<div v-if="active === 'relation'" class="section">
<h4>关联数据设计</h4>
<div class="relation-tabs">
<button
v-for="r in relations"
:key="r.id"
:class="['r-tab', { active: rId === r.id }]"
@click="rId = r.id"
>
{{ r.name }}
</button>
</div>
<div class="relation-content">
<div class="relation-desc">{{ currentRelation.desc }}</div>
<pre class="code-block"><code>{{ currentRelation.code }}</code></pre>
</div>
</div>
</div>
<div class="tips">
<span class="tips-icon">💡</span>
<span class="tips-text">参考 ISO 8601 时间标准字段命名保持 snake_case 风格</span>
</div>
</div>
</template>
<script setup>
import { ref, computed } from 'vue'
const active = ref('structure')
const rId = ref('embed')
const tabs = [
{ id: 'structure', icon: '📐', name: '结构设计' },
{ id: 'naming', icon: '📝', name: '命名规范' },
{ id: 'datetime', icon: '🕐', name: '时间格式' },
{ id: 'null', icon: '∅', name: '空值处理' },
{ id: 'relation', icon: '🔗', name: '关联数据' }
]
const namingRules = [
{ icon: '🔡', name: '使用 snake_case', good: 'created_at', bad: 'createdAt', desc: 'JSON 字段名统一用下划线' },
{ icon: '📖', name: '避免缩写', good: 'user_id', bad: 'uid', desc: '保持可读性' },
{ icon: '✅', name: '布尔值加前缀', good: 'is_active, has_permission', bad: 'active, permission', desc: '一眼识别布尔类型' },
{ icon: '📅', name: '时间带后缀', good: 'created_at, expired_at', bad: 'created, expired', desc: '明确是时间字段' },
{ icon: '🔢', name: '数量带后缀', good: 'total_count, page_size', bad: 'total, size', desc: '明确是数值类型' }
]
const relations = [
{
id: 'embed',
name: '内嵌',
desc: '适合数据量小、频繁访问的关联数据',
code: `{
"id": 123,
"name": "张三",
"department": {
"id": 1,
"name": "技术部"
}
}`
},
{
id: 'foreign',
name: '外键',
desc: '适合数据量大、按需加载的关联数据',
code: `{
"id": 123,
"name": "张三",
"department_id": 1
}`
},
{
id: 'expand',
name: 'expand 参数',
desc: 'Stripe 风格,客户端按需展开',
code: `// GET /users/123?expand=department
{
"id": 123,
"name": "张三",
"department": {
"id": 1,
"name": "技术部"
}
}`
}
]
const currentRelation = computed(() => {
return relations.find(r => r.id === rId.value) || relations[0]
})
</script>
<style scoped>
.demo {
border: 1px solid var(--vp-c-divider);
border-radius: 12px;
background: var(--vp-c-bg-soft);
margin: 24px 0;
overflow: hidden;
}
.header {
padding: 14px 20px;
background: var(--vp-c-bg);
border-bottom: 1px solid var(--vp-c-divider);
display: flex;
align-items: center;
gap: 10px;
}
.icon {
font-size: 20px;
}
.title {
font-weight: 600;
font-size: 15px;
}
.tabs {
display: flex;
gap: 4px;
padding: 10px 12px;
background: var(--vp-c-bg);
border-bottom: 1px solid var(--vp-c-divider);
overflow-x: auto;
}
.tab {
padding: 6px 12px;
border: 1px solid var(--vp-c-divider);
border-radius: 6px;
background: var(--vp-c-bg-soft);
font-size: 12px;
font-weight: 500;
cursor: pointer;
white-space: nowrap;
transition: all 0.2s;
}
.tab:hover {
border-color: var(--vp-c-brand);
}
.tab.active {
background: var(--vp-c-brand);
border-color: var(--vp-c-brand);
color: white;
}
.content {
padding: 16px;
}
.section h4 {
margin: 0 0 12px 0;
font-size: 14px;
}
.compare-row {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 12px;
}
@media (max-width: 640px) {
.compare-row {
grid-template-columns: 1fr;
}
}
.compare-col {
padding: 12px;
border-radius: 8px;
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
}
.compare-col.good-col {
border-color: color-mix(in srgb, #22c55e 30%, transparent);
background: color-mix(in srgb, #22c55e 5%, var(--vp-c-bg));
}
.compare-col.bad-col {
border-color: color-mix(in srgb, #ef4444 30%, transparent);
background: color-mix(in srgb, #ef4444 5%, var(--vp-c-bg));
}
.compare-title {
font-size: 12px;
font-weight: 600;
margin-bottom: 8px;
}
.compare-desc {
font-size: 11px;
color: var(--vp-c-text-3);
margin-top: 8px;
}
.code-sm {
background: #1e293b;
color: #e2e8f0;
padding: 10px;
border-radius: 6px;
font-family: 'Menlo', monospace;
font-size: 11px;
line-height: 1.5;
overflow-x: auto;
margin: 0;
}
.code-block {
background: #1e293b;
color: #e2e8f0;
padding: 12px;
border-radius: 6px;
font-family: 'Menlo', monospace;
font-size: 11px;
line-height: 1.5;
overflow-x: auto;
margin: 0;
}
.note {
font-size: 12px;
color: var(--vp-c-text-2);
margin-top: 12px;
padding: 8px 12px;
background: var(--vp-c-bg);
border-radius: 6px;
}
.rule-list {
display: flex;
flex-direction: column;
gap: 10px;
}
.rule-item {
padding: 12px;
background: var(--vp-c-bg);
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
}
.rule-header {
display: flex;
align-items: center;
gap: 8px;
margin-bottom: 8px;
}
.rule-icon {
font-size: 16px;
}
.rule-name {
font-size: 13px;
font-weight: 600;
}
.rule-examples {
display: flex;
align-items: center;
gap: 8px;
margin-bottom: 6px;
}
.rule-examples code {
padding: 3px 8px;
border-radius: 4px;
font-size: 12px;
}
.rule-examples .good {
background: color-mix(in srgb, #22c55e 15%, transparent);
color: #16a34a;
}
.rule-examples .bad {
background: color-mix(in srgb, #ef4444 15%, transparent);
color: #dc2626;
text-decoration: line-through;
}
.rule-examples .vs {
font-size: 10px;
color: var(--vp-c-text-3);
}
.rule-desc {
font-size: 11px;
color: var(--vp-c-text-3);
}
.time-example {
margin-bottom: 12px;
}
.time-rules {
display: flex;
flex-direction: column;
gap: 6px;
}
.time-rule {
display: flex;
align-items: center;
gap: 12px;
padding: 8px 12px;
background: var(--vp-c-bg);
border-radius: 6px;
}
.rule-label {
font-size: 12px;
font-weight: 600;
color: var(--vp-c-text-2);
min-width: 40px;
}
.rule-value {
font-size: 12px;
color: var(--vp-c-text-1);
}
.null-tips {
margin-top: 12px;
display: flex;
flex-direction: column;
gap: 6px;
}
.tip-item {
font-size: 12px;
color: var(--vp-c-text-2);
padding: 6px 10px;
background: var(--vp-c-bg);
border-radius: 4px;
}
.tip-item code {
background: var(--vp-c-bg-soft);
padding: 1px 5px;
border-radius: 3px;
font-size: 11px;
}
.relation-tabs {
display: flex;
gap: 4px;
margin-bottom: 12px;
}
.r-tab {
padding: 6px 12px;
border: 1px solid var(--vp-c-divider);
border-radius: 4px;
background: var(--vp-c-bg);
font-size: 12px;
cursor: pointer;
transition: all 0.2s;
}
.r-tab:hover {
border-color: var(--vp-c-brand);
}
.r-tab.active {
background: var(--vp-c-brand);
border-color: var(--vp-c-brand);
color: white;
}
.relation-desc {
font-size: 12px;
color: var(--vp-c-text-2);
margin-bottom: 10px;
}
.tips {
display: flex;
align-items: center;
gap: 8px;
padding: 10px 16px;
background: var(--vp-c-bg);
border-top: 1px solid var(--vp-c-divider);
}
.tips-icon {
font-size: 14px;
}
.tips-text {
font-size: 12px;
color: var(--vp-c-text-2);
}
</style>