1265 lines
29 KiB
Vue
1265 lines
29 KiB
Vue
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<template>
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<div class="demo">
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<div class="header">
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<span class="icon">🗄️</span>
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<span class="title">数据模型设计演示</span>
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</div>
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<div class="tabs">
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<button
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v-for="tab in tabs"
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:key="tab.id"
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:class="['tab', { active: active === tab.id }]"
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@click="active = tab.id"
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>
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{{ tab.icon }} {{ tab.name }}
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</button>
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</div>
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<div class="content">
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<!-- ER 图展示 -->
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<div v-if="active === 'er'" class="section">
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<h4>实体关系图（ER Diagram）</h4>
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<div class="er-diagram">
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<div class="er-table users">
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<div class="table-header">
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<span class="table-name">users</span>
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<span class="table-type">用户表</span>
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</div>
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<div class="table-fields">
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<div class="field pk">
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<span class="field-key">PK</span>
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<code>id</code>
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<span class="field-type">BIGINT</span>
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</div>
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<div class="field">
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<span class="field-key"></span>
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<code>username</code>
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<span class="field-type">VARCHAR(50)</span>
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</div>
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<div class="field">
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<span class="field-key"></span>
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<code>email</code>
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<span class="field-type">VARCHAR(100)</span>
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</div>
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<div class="field">
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<span class="field-key"></span>
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<code>created_at</code>
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<span class="field-type">TIMESTAMP</span>
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</div>
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</div>
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</div>
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<div class="relationship one-to-many">
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<div class="rel-line">
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<span class="rel-cardinality">1</span>
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<span class="rel-arrow">———⟡</span>
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<span class="rel-cardinality">N</span>
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</div>
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<div class="rel-label">一个用户可以有多个订单</div>
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</div>
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<div class="er-table orders">
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<div class="table-header">
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<span class="table-name">orders</span>
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<span class="table-type">订单表</span>
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</div>
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<div class="table-fields">
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<div class="field pk">
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<span class="field-key">PK</span>
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<code>id</code>
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<span class="field-type">BIGINT</span>
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</div>
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<div class="field fk">
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<span class="field-key">FK</span>
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<code>user_id</code>
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<span class="field-type">BIGINT</span>
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</div>
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<div class="field">
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<span class="field-key"></span>
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<code>total_amount</code>
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<span class="field-type">DECIMAL(10,2)</span>
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</div>
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<div class="field">
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<span class="field-key"></span>
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<code>status</code>
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<span class="field-type">VARCHAR(20)</span>
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</div>
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</div>
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</div>
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</div>
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<div class="legend">
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<div class="legend-item">
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<span class="legend-key pk">PK</span>
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<span>主键 (Primary Key)</span>
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</div>
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<div class="legend-item">
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<span class="legend-key fk">FK</span>
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<span>外键 (Foreign Key)</span>
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</div>
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<div class="legend-item">
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<span class="legend-rel">1 ———⟡ N</span>
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<span>一对多关系</span>
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</div>
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</div>
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</div>
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<!-- 关系类型 -->
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<div v-if="active === 'relationships'" class="section">
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<h4>三种基本关系类型</h4>
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<div class="relationship-cards">
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<div class="rel-card">
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<div class="rel-icon">1️⃣</div>
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<div class="rel-title">一对一 (One-to-One)</div>
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<div class="rel-example">
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<div class="rel-tables">
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<code>users</code> → <code>user_profiles</code>
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</div>
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<div class="rel-desc">一个用户只有一个详细资料</div>
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</div>
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<div class="rel-sql">
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<pre>user_id UNIQUE</pre>
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</div>
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</div>
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<div class="rel-card">
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<div class="rel-icon">1️⃣➡️🔢</div>
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<div class="rel-title">一对多 (One-to-Many)</div>
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<div class="rel-example">
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<div class="rel-tables">
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<code>users</code> → <code>orders</code>
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</div>
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<div class="rel-desc">一个用户可以有多个订单</div>
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</div>
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<div class="rel-sql">
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<pre>user_id FOREIGN KEY</pre>
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</div>
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</div>
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<div class="rel-card">
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<div class="rel-icon">🔢↔️🔢</div>
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<div class="rel-title">多对多 (Many-to-Many)</div>
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<div class="rel-example">
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<div class="rel-tables">
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<code>students</code> ↔ <code>courses</code>
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</div>
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<div class="rel-desc">
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一个学生可以选多门课，一门课可以有多个学生
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</div>
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</div>
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<div class="rel-sql">
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<pre>
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中间表: enrollments
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- student_id FK
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- course_id FK</pre>
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</div>
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</div>
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</div>
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</div>
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<!-- 范式理论 -->
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<div v-if="active === 'normalization'" class="section">
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<h4>范式理论：从混乱到有序</h4>
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<div class="norm-container">
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<div class="norm-tabs">
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<button
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v-for="norm in norms"
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:key="norm.id"
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:class="['norm-tab', { active: normId === norm.id }]"
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@click="normId = norm.id"
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>
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{{ norm.name }}
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</button>
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</div>
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<div class="norm-content">
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<div class="norm-header">
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<span class="norm-title">{{ currentNorm.name }}</span>
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<span class="norm-desc">{{ currentNorm.desc }}</span>
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</div>
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<div class="norm-example">
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<div v-if="currentNorm.before" class="norm-before">
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<div class="norm-label">
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❌ {{ currentNorm.beforeTitle || '不符合' }}
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</div>
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<pre class="norm-code">{{ currentNorm.before }}</pre>
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</div>
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<div v-if="currentNorm.after" class="norm-after">
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<div class="norm-label">
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✅ {{ currentNorm.afterTitle || '符合' }}
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</div>
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<pre class="norm-code">{{ currentNorm.after }}</pre>
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</div>
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</div>
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<div v-if="currentNorm.note" class="norm-note">
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<span class="note-icon">💡</span>
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<span class="note-text">{{ currentNorm.note }}</span>
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</div>
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</div>
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</div>
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</div>
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<!-- 反范式化 -->
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<div v-if="active === 'denormalization'" class="section">
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<h4>反范式化：用空间换时间</h4>
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<div class="denorm-box">
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<div class="denorm-scenario">
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<h5>场景：电商订单查询</h5>
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<div class="denorm-comparison">
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<div class="denorm-side norm">
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<div class="denorm-title">范式化设计</div>
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<div class="denorm-tables">
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<pre class="code-sm">
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orders: users:
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- id - id
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- user_id ⟐ - name
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- total - email
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- status
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</pre>
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</div>
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<div class="denorm-query">
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<div class="query-label">查询 SQL：</div>
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<pre class="code-sm">
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SELECT o.*, u.name, u.email
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FROM orders o
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JOIN users u ON o.user_id = u.id
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WHERE o.id = 123;</pre>
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</div>
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<div class="denorm-result">
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<span class="result-label">结果：</span>
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<span class="result-bad">需要 JOIN，查询慢</span>
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</div>
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</div>
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<div class="denorm-arrow">→</div>
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<div class="denorm-side denorm">
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<div class="denorm-title">反范式化设计</div>
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<div class="denorm-tables">
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<pre class="code-sm">
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orders:
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- id
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- user_id
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- user_name ← 冗余
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- user_email ← 冗余
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- total
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- status</pre>
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</div>
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<div class="denorm-query">
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<div class="query-label">查询 SQL：</div>
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<pre class="code-sm">
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SELECT *
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FROM orders
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WHERE id = 123;</pre>
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</div>
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<div class="denorm-result">
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<span class="result-label">结果：</span>
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<span class="result-good">单表查询，速度快</span>
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</div>
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</div>
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</div>
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</div>
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<div class="denorm-tradeoff">
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<div class="tradeoff-item">
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<span class="tradeoff-icon">✅</span>
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<span class="tradeoff-text">查询性能提升，减少 JOIN</span>
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</div>
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<div class="tradeoff-item">
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<span class="tradeoff-icon">⚠️</span>
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<span class="tradeoff-text">数据冗余，占用更多存储</span>
|
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</div>
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<div class="tradeoff-item">
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<span class="tradeoff-icon">⚠️</span>
|
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<span class="tradeoff-text">更新时需同步冗余字段</span>
|
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</div>
|
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</div>
|
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</div>
|
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</div>
|
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|
|||
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<!-- 电商实战 -->
|
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<div v-if="active === 'ecommerce'" class="section">
|
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<h4>实战：电商系统数据模型</h4>
|
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<div class="ecommerce-diagram">
|
|||
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<div class="ecosystem">
|
|||
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<!-- 用户中心 -->
|
|||
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<div class="eco-module users-module">
|
|||
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<div class="module-title">用户模块</div>
|
|||
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<div class="module-tables">
|
|||
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<div class="mini-table">users</div>
|
|||
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<div class="mini-table">user_addresses</div>
|
|||
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<div class="mini-table">user_profiles</div>
|
|||
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</div>
|
|||
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</div>
|
|||
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|
|
|||
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<!-- 商品中心 -->
|
|||
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<div class="eco-module products-module">
|
|||
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<div class="module-title">商品模块</div>
|
|||
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<div class="module-tables">
|
|||
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<div class="mini-table">categories</div>
|
|||
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<div class="mini-table">products</div>
|
|||
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<div class="mini-table">product_skus</div>
|
|||
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<div class="mini-table">product_inventory</div>
|
|||
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</div>
|
|||
|
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</div>
|
|||
|
|
|
|||
|
|
<!-- 订单中心 -->
|
|||
|
|
<div class="eco-module orders-module">
|
|||
|
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<div class="module-title">订单模块</div>
|
|||
|
|
<div class="module-tables">
|
|||
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<div class="mini-table">orders</div>
|
|||
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<div class="mini-table">order_items</div>
|
|||
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<div class="mini-table">payments</div>
|
|||
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</div>
|
|||
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</div>
|
|||
|
|
|
|||
|
|
<!-- 营销中心 -->
|
|||
|
|
<div class="eco-module marketing-module">
|
|||
|
|
<div class="module-title">营销模块</div>
|
|||
|
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<div class="module-tables">
|
|||
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<div class="mini-table">coupons</div>
|
|||
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<div class="mini-table">user_coupons</div>
|
|||
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<div class="mini-table">promotions</div>
|
|||
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</div>
|
|||
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</div>
|
|||
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</div>
|
|||
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|
|||
|
|
<div class="relationships">
|
|||
|
|
<div class="rel-item">
|
|||
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<span class="rel-from">users</span>
|
|||
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<span class="rel-type">1:N</span>
|
|||
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<span class="rel-to">orders</span>
|
|||
|
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</div>
|
|||
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<div class="rel-item">
|
|||
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<span class="rel-from">orders</span>
|
|||
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<span class="rel-type">1:N</span>
|
|||
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<span class="rel-to">order_items</span>
|
|||
|
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</div>
|
|||
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<div class="rel-item">
|
|||
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<span class="rel-from">products</span>
|
|||
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<span class="rel-type">1:N</span>
|
|||
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<span class="rel-to">product_skus</span>
|
|||
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</div>
|
|||
|
|
<div class="rel-item">
|
|||
|
|
<span class="rel-from">users & coupons</span>
|
|||
|
|
<span class="rel-type">M:N</span>
|
|||
|
|
<span class="rel-to">user_coupons</span>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="design-principles">
|
|||
|
|
<div class="principle-item">
|
|||
|
|
<span class="principle-icon">📐</span>
|
|||
|
|
<div class="principle-text">
|
|||
|
|
<strong>适度范式</strong>
|
|||
|
|
<div class="principle-desc">
|
|||
|
|
核心业务表遵循 3NF，查询表适当反范式化
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
<div class="principle-item">
|
|||
|
|
<span class="principle-icon">🔗</span>
|
|||
|
|
<div class="principle-text">
|
|||
|
|
<strong>明确关系</strong>
|
|||
|
|
<div class="principle-desc">通过外键约束保证数据完整性</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
<div class="principle-item">
|
|||
|
|
<span class="principle-icon">📊</span>
|
|||
|
|
<div class="principle-text">
|
|||
|
|
<strong>预留扩展</strong>
|
|||
|
|
<div class="principle-desc">
|
|||
|
|
使用 JSON 字段存储非结构化扩展数据
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<!-- 反模式 -->
|
|||
|
|
<div v-if="active === 'antipatterns'" class="section">
|
|||
|
|
<h4>常见反模式及改进</h4>
|
|||
|
|
<div class="antipatterns-list">
|
|||
|
|
<div v-for="anti in antipatterns" :key="anti.id" class="anti-item">
|
|||
|
|
<div class="anti-header">
|
|||
|
|
<span class="anti-icon">{{ anti.icon }}</span>
|
|||
|
|
<span class="anti-title">{{ anti.title }}</span>
|
|||
|
|
</div>
|
|||
|
|
<div class="anti-problem">
|
|||
|
|
<div class="anti-label">❌ 问题</div>
|
|||
|
|
<pre class="anti-code">{{ anti.problem }}</pre>
|
|||
|
|
</div>
|
|||
|
|
<div class="anti-solution">
|
|||
|
|
<div class="anti-label">✅ 改进</div>
|
|||
|
|
<pre class="anti-code">{{ anti.solution }}</pre>
|
|||
|
|
</div>
|
|||
|
|
<div v-if="anti.impact" class="anti-impact">
|
|||
|
|
<span class="impact-icon">💥</span>
|
|||
|
|
<span class="impact-text">{{ anti.impact }}</span>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</template>
|
|||
|
|
|
|||
|
|
<script setup>
|
|||
|
|
import { ref, computed } from 'vue'
|
|||
|
|
|
|||
|
|
const active = ref('er')
|
|||
|
|
const normId = ref('1nf')
|
|||
|
|
|
|||
|
|
const tabs = [
|
|||
|
|
{ id: 'er', icon: '📊', name: 'ER 图' },
|
|||
|
|
{ id: 'relationships', icon: '🔗', name: '关系类型' },
|
|||
|
|
{ id: 'normalization', icon: '📐', name: '范式理论' },
|
|||
|
|
{ id: 'denormalization', icon: '⚡', name: '反范式化' },
|
|||
|
|
{ id: 'ecommerce', icon: '🛒', name: '电商实战' },
|
|||
|
|
{ id: 'antipatterns', icon: '⚠️', name: '反模式' }
|
|||
|
|
]
|
|||
|
|
|
|||
|
|
const norms = [
|
|||
|
|
{
|
|||
|
|
id: '1nf',
|
|||
|
|
name: '第一范式 (1NF)',
|
|||
|
|
desc: '每个字段都是不可再分的最小数据单元',
|
|||
|
|
beforeTitle: '不符合 1NF',
|
|||
|
|
before: `users 表:
|
|||
|
|
| id | name |
|
|||
|
|
|----|----------------|
|
|||
|
|
| 1 | 张三,北京,工程师 |`,
|
|||
|
|
afterTitle: '符合 1NF',
|
|||
|
|
after: `users 表:
|
|||
|
|
| id | name | city | role |
|
|||
|
|
|----|------|--------|---------|
|
|||
|
|
| 1 | 张三 | 北京 | 工程师 |`,
|
|||
|
|
note: '字段原子性：一个字段只存储一个值'
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
id: '2nf',
|
|||
|
|
name: '第二范式 (2NF)',
|
|||
|
|
desc: '在 1NF 基础上，非主键字段完全依赖于主键',
|
|||
|
|
beforeTitle: '不符合 2NF',
|
|||
|
|
before: `order_items 表:
|
|||
|
|
| id | order_id | product_name | quantity | unit_price |
|
|||
|
|
|----|----------|--------------|----------|------------|
|
|||
|
|
| 1 | 100 | iPhone | 2 | 5999 |`,
|
|||
|
|
afterTitle: '符合 2NF',
|
|||
|
|
after: `order_items 表:
|
|||
|
|
| id | order_id | product_id | quantity |
|
|||
|
|
|----|----------|------------|----------|
|
|||
|
|
| 1 | 100 | 1 | 2 |
|
|||
|
|
|
|||
|
|
products 表:
|
|||
|
|
| id | name | price |
|
|||
|
|
|----|------------|----------|
|
|||
|
|
| 1 | iPhone | 5999 |`,
|
|||
|
|
note: '消除部分依赖：product_name 只依赖 product_id，不依赖 (order_id, product_id) 联合主键'
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
id: '3nf',
|
|||
|
|
name: '第三范式 (3NF)',
|
|||
|
|
desc: '在 2NF 基础上，非主键字段不传递依赖主键',
|
|||
|
|
beforeTitle: '不符合 3NF',
|
|||
|
|
before: `orders 表:
|
|||
|
|
| id | user_id | total | user_level | discount |
|
|||
|
|
|----|---------|-------|------------|----------|
|
|||
|
|
| 1 | 100 | 500 | VIP | 0.9 |`,
|
|||
|
|
afterTitle: '符合 3NF',
|
|||
|
|
after: `orders 表:
|
|||
|
|
| id | user_id | total | discount |
|
|||
|
|
|----|---------|-------|----------|
|
|||
|
|
| 1 | 100 | 500 | 0.9 |
|
|||
|
|
|
|||
|
|
users 表:
|
|||
|
|
| id | level |
|
|||
|
|
|----|-------|
|
|||
|
|
| 100| VIP |`,
|
|||
|
|
note: '消除传递依赖：user_level 依赖 user_id，再依赖 orders.id'
|
|||
|
|
}
|
|||
|
|
]
|
|||
|
|
|
|||
|
|
const antipatterns = [
|
|||
|
|
{
|
|||
|
|
id: 'flat',
|
|||
|
|
icon: '📋',
|
|||
|
|
title: '巨型宽表',
|
|||
|
|
problem: `big_table 表:
|
|||
|
|
- id
|
|||
|
|
- user_name
|
|||
|
|
- user_email
|
|||
|
|
- user_phone
|
|||
|
|
- user_address_city
|
|||
|
|
- user_address_street
|
|||
|
|
- order_1_id
|
|||
|
|
- order_1_amount
|
|||
|
|
- order_2_id
|
|||
|
|
- order_2_amount
|
|||
|
|
- ...（订单字段重复 100 次）`,
|
|||
|
|
solution: `users 表:
|
|||
|
|
- id
|
|||
|
|
- name
|
|||
|
|
- email
|
|||
|
|
- phone
|
|||
|
|
|
|||
|
|
orders 表:
|
|||
|
|
- id
|
|||
|
|
- user_id
|
|||
|
|
- amount
|
|||
|
|
- created_at`,
|
|||
|
|
impact: '字段数量爆炸，空值多，扩展困难'
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
id: 'comma',
|
|||
|
|
icon: '🔢',
|
|||
|
|
title: '逗号分隔值',
|
|||
|
|
problem: `posts 表:
|
|||
|
|
| id | title | tags |
|
|||
|
|
|----|------------|--------------------|
|
|||
|
|
| 1 | Vue入门 | vue,frontend,jjs |`,
|
|||
|
|
solution: `posts 表:
|
|||
|
|
| id | title |
|
|||
|
|
|----|------------|
|
|||
|
|
| 1 | Vue入门 |
|
|||
|
|
|
|||
|
|
post_tags 表:
|
|||
|
|
| post_id | tag_id |
|
|||
|
|
|---------|--------|
|
|||
|
|
| 1 | 1 |
|
|||
|
|
| 1 | 2 |
|
|||
|
|
|
|||
|
|
tags 表:
|
|||
|
|
| id | name |
|
|||
|
|
|----|-----------|
|
|||
|
|
| 1 | vue |
|
|||
|
|
| 2 | frontend |`,
|
|||
|
|
impact: '无法索引，无法关联查询，无法统计'
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
id: 'json',
|
|||
|
|
icon: '📦',
|
|||
|
|
title: '滥用 JSON 字段',
|
|||
|
|
problem: `orders 表:
|
|||
|
|
| id | user_id | items | total |
|
|||
|
|
|----|---------|------------------------|-------|
|
|||
|
|
| 1 | 100 | [{"pid":1,"qty":2}] | 200 |`,
|
|||
|
|
solution: `orders 表:
|
|||
|
|
| id | user_id | total |
|
|||
|
|
|----|---------|-------|
|
|||
|
|
| 1 | 100 | 200 |
|
|||
|
|
|
|||
|
|
order_items 表:
|
|||
|
|
| id | order_id | product_id | quantity |
|
|||
|
|
|----|----------|------------|----------|
|
|||
|
|
| 1 | 1 | 1 | 2 |`,
|
|||
|
|
impact: '无法建立外键约束，无法有效索引，数据完整性差'
|
|||
|
|
}
|
|||
|
|
]
|
|||
|
|
|
|||
|
|
const currentNorm = computed(() => {
|
|||
|
|
return norms.find((n) => n.id === normId.value) || norms[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 14px 0;
|
|||
|
|
font-size: 15px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* ER Diagram Styles */
|
|||
|
|
.er-diagram {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 20px;
|
|||
|
|
margin-bottom: 16px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.er-table {
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
border: 1px solid var(--vp-c-divider);
|
|||
|
|
border-radius: 8px;
|
|||
|
|
overflow: hidden;
|
|||
|
|
min-width: 280px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.table-header {
|
|||
|
|
display: flex;
|
|||
|
|
justify-content: space-between;
|
|||
|
|
align-items: center;
|
|||
|
|
padding: 10px 14px;
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
border-bottom: 1px solid var(--vp-c-divider);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.table-name {
|
|||
|
|
font-size: 13px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
color: var(--vp-c-brand);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.table-type {
|
|||
|
|
font-size: 11px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.table-fields {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field {
|
|||
|
|
display: grid;
|
|||
|
|
grid-template-columns: 32px 1fr 80px;
|
|||
|
|
gap: 8px;
|
|||
|
|
padding: 8px 12px;
|
|||
|
|
border-bottom: 1px solid var(--vp-c-divider);
|
|||
|
|
align-items: center;
|
|||
|
|
font-size: 12px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field:last-child {
|
|||
|
|
border-bottom: none;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field.pk {
|
|||
|
|
background: color-mix(in srgb, #22c55e 8%, var(--vp-c-bg));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field.fk {
|
|||
|
|
background: color-mix(in srgb, #3b82f6 8%, var(--vp-c-bg));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field-key {
|
|||
|
|
font-size: 10px;
|
|||
|
|
font-weight: 700;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field.pk .field-key {
|
|||
|
|
color: #22c55e;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field.fk .field-key {
|
|||
|
|
color: #3b82f6;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field code {
|
|||
|
|
font-size: 11px;
|
|||
|
|
color: var(--vp-c-text-1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.field-type {
|
|||
|
|
font-size: 10px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
text-align: right;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.relationship {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-line {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 8px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
color: var(--vp-c-text-2);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-cardinality {
|
|||
|
|
font-weight: 600;
|
|||
|
|
color: var(--vp-c-brand);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-arrow {
|
|||
|
|
font-size: 16px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-label {
|
|||
|
|
font-size: 11px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.legend {
|
|||
|
|
display: flex;
|
|||
|
|
flex-wrap: wrap;
|
|||
|
|
gap: 12px;
|
|||
|
|
padding: 12px;
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
border-radius: 6px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.legend-item {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.legend-key {
|
|||
|
|
padding: 2px 6px;
|
|||
|
|
border-radius: 3px;
|
|||
|
|
font-size: 10px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.legend-key.pk {
|
|||
|
|
background: color-mix(in srgb, #22c55e 20%, transparent);
|
|||
|
|
color: #22c55e;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.legend-key.fk {
|
|||
|
|
background: color-mix(in srgb, #3b82f6 20%, transparent);
|
|||
|
|
color: #3b82f6;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.legend-rel {
|
|||
|
|
font-size: 12px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* Relationship Cards */
|
|||
|
|
.relationship-cards {
|
|||
|
|
display: grid;
|
|||
|
|
grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
|
|||
|
|
gap: 12px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-card {
|
|||
|
|
padding: 14px;
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
border: 1px solid var(--vp-c-divider);
|
|||
|
|
border-radius: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-icon {
|
|||
|
|
font-size: 24px;
|
|||
|
|
margin-bottom: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-title {
|
|||
|
|
font-size: 13px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
margin-bottom: 10px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-example {
|
|||
|
|
margin-bottom: 10px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-tables {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 6px;
|
|||
|
|
margin-bottom: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-tables code {
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
padding: 3px 8px;
|
|||
|
|
border-radius: 4px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-desc {
|
|||
|
|
font-size: 11px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-sql {
|
|||
|
|
background: color-mix(in srgb, #22c55e 8%, var(--vp-c-bg));
|
|||
|
|
padding: 8px;
|
|||
|
|
border-radius: 4px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-sql pre {
|
|||
|
|
margin: 0;
|
|||
|
|
font-size: 10px;
|
|||
|
|
line-height: 1.4;
|
|||
|
|
color: var(--vp-c-text-2);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* Normalization Styles */
|
|||
|
|
.norm-container {
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
border-radius: 8px;
|
|||
|
|
overflow: hidden;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-tabs {
|
|||
|
|
display: flex;
|
|||
|
|
gap: 2px;
|
|||
|
|
padding: 8px;
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
border-bottom: 1px solid var(--vp-c-divider);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-tab {
|
|||
|
|
padding: 6px 14px;
|
|||
|
|
border: none;
|
|||
|
|
background: transparent;
|
|||
|
|
border-radius: 6px;
|
|||
|
|
font-size: 12px;
|
|||
|
|
font-weight: 500;
|
|||
|
|
cursor: pointer;
|
|||
|
|
transition: all 0.2s;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-tab:hover {
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-tab.active {
|
|||
|
|
background: var(--vp-c-brand);
|
|||
|
|
color: white;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-content {
|
|||
|
|
padding: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-header {
|
|||
|
|
margin-bottom: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-title {
|
|||
|
|
font-size: 14px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
display: block;
|
|||
|
|
margin-bottom: 4px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-desc {
|
|||
|
|
font-size: 12px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-example {
|
|||
|
|
display: grid;
|
|||
|
|
grid-template-columns: 1fr;
|
|||
|
|
gap: 12px;
|
|||
|
|
margin-bottom: 12px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
@media (min-width: 768px) {
|
|||
|
|
.norm-example {
|
|||
|
|
grid-template-columns: 1fr 1fr;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-before,
|
|||
|
|
.norm-after {
|
|||
|
|
padding: 12px;
|
|||
|
|
border-radius: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-before {
|
|||
|
|
background: color-mix(in srgb, #ef4444 8%, var(--vp-c-bg));
|
|||
|
|
border: 1px solid color-mix(in srgb, #ef4444 20%, transparent);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-after {
|
|||
|
|
background: color-mix(in srgb, #22c55e 8%, var(--vp-c-bg));
|
|||
|
|
border: 1px solid color-mix(in srgb, #22c55e 20%, transparent);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-label {
|
|||
|
|
font-size: 12px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
margin-bottom: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-code {
|
|||
|
|
background: #1e293b;
|
|||
|
|
color: #e2e8f0;
|
|||
|
|
padding: 10px;
|
|||
|
|
border-radius: 6px;
|
|||
|
|
font-family: 'Menlo', monospace;
|
|||
|
|
font-size: 10px;
|
|||
|
|
line-height: 1.5;
|
|||
|
|
overflow-x: auto;
|
|||
|
|
margin: 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.norm-note {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 8px;
|
|||
|
|
padding: 10px 12px;
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
border-radius: 6px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.note-icon {
|
|||
|
|
font-size: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.note-text {
|
|||
|
|
color: var(--vp-c-text-2);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* Denormalization */
|
|||
|
|
.denorm-box {
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
padding: 14px;
|
|||
|
|
border-radius: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-scenario {
|
|||
|
|
margin-bottom: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-scenario h5 {
|
|||
|
|
margin: 0 0 12px 0;
|
|||
|
|
font-size: 13px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-comparison {
|
|||
|
|
display: grid;
|
|||
|
|
grid-template-columns: 1fr;
|
|||
|
|
gap: 12px;
|
|||
|
|
align-items: center;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
@media (min-width: 768px) {
|
|||
|
|
.denorm-comparison {
|
|||
|
|
grid-template-columns: 1fr auto 1fr;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-side {
|
|||
|
|
padding: 12px;
|
|||
|
|
border-radius: 6px;
|
|||
|
|
border: 1px solid var(--vp-c-divider);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-side.norm {
|
|||
|
|
background: color-mix(in srgb, #ef4444 5%, var(--vp-c-bg));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-side.denorm {
|
|||
|
|
background: color-mix(in srgb, #22c55e 5%, var(--vp-c-bg));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-title {
|
|||
|
|
font-size: 12px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
margin-bottom: 10px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-tables {
|
|||
|
|
margin-bottom: 10px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-query {
|
|||
|
|
margin-bottom: 10px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.query-label {
|
|||
|
|
font-size: 11px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
margin-bottom: 4px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-result {
|
|||
|
|
font-size: 11px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.result-label {
|
|||
|
|
font-weight: 600;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.result-bad {
|
|||
|
|
color: #ef4444;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.result-good {
|
|||
|
|
color: #22c55e;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-arrow {
|
|||
|
|
font-size: 20px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.denorm-tradeoff {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
gap: 6px;
|
|||
|
|
padding: 10px;
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
border-radius: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.tradeoff-item {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 8px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.tradeoff-icon {
|
|||
|
|
font-size: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* E-commerce Diagram */
|
|||
|
|
.ecommerce-diagram {
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
padding: 14px;
|
|||
|
|
border-radius: 8px;
|
|||
|
|
margin-bottom: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.ecosystem {
|
|||
|
|
display: grid;
|
|||
|
|
grid-template-columns: repeat(2, 1fr);
|
|||
|
|
gap: 10px;
|
|||
|
|
margin-bottom: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
@media (min-width: 768px) {
|
|||
|
|
.ecosystem {
|
|||
|
|
grid-template-columns: repeat(2, 1fr);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.eco-module {
|
|||
|
|
padding: 12px;
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
border: 1px solid var(--vp-c-divider);
|
|||
|
|
border-radius: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.module-title {
|
|||
|
|
font-size: 12px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
margin-bottom: 8px;
|
|||
|
|
color: var(--vp-c-brand);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.module-tables {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
gap: 4px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.mini-table {
|
|||
|
|
padding: 6px 10px;
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
border: 1px solid var(--vp-c-divider);
|
|||
|
|
border-radius: 4px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
font-family: 'Menlo', monospace;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.relationships {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
gap: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-item {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 8px;
|
|||
|
|
padding: 6px 10px;
|
|||
|
|
background: var(--vp-c-bg-soft);
|
|||
|
|
border-radius: 4px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-from,
|
|||
|
|
.rel-to {
|
|||
|
|
font-family: 'Menlo', monospace;
|
|||
|
|
color: var(--vp-c-brand);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.rel-type {
|
|||
|
|
font-weight: 600;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.design-principles {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
gap: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.principle-item {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: flex-start;
|
|||
|
|
gap: 10px;
|
|||
|
|
padding: 10px 12px;
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
border: 1px solid var(--vp-c-divider);
|
|||
|
|
border-radius: 6px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.principle-icon {
|
|||
|
|
font-size: 18px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.principle-text {
|
|||
|
|
flex: 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.principle-text strong {
|
|||
|
|
display: block;
|
|||
|
|
font-size: 12px;
|
|||
|
|
margin-bottom: 2px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.principle-desc {
|
|||
|
|
font-size: 11px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* Antipatterns */
|
|||
|
|
.antipatterns-list {
|
|||
|
|
display: flex;
|
|||
|
|
flex-direction: column;
|
|||
|
|
gap: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-item {
|
|||
|
|
background: var(--vp-c-bg);
|
|||
|
|
padding: 12px;
|
|||
|
|
border-radius: 6px;
|
|||
|
|
border: 1px solid var(--vp-c-divider);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-header {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 8px;
|
|||
|
|
margin-bottom: 10px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-icon {
|
|||
|
|
font-size: 18px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-title {
|
|||
|
|
font-size: 13px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-problem,
|
|||
|
|
.anti-solution {
|
|||
|
|
margin-bottom: 8px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-label {
|
|||
|
|
font-size: 11px;
|
|||
|
|
font-weight: 600;
|
|||
|
|
margin-bottom: 4px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-code {
|
|||
|
|
background: #1e293b;
|
|||
|
|
color: #e2e8f0;
|
|||
|
|
padding: 10px;
|
|||
|
|
border-radius: 6px;
|
|||
|
|
font-family: 'Menlo', monospace;
|
|||
|
|
font-size: 10px;
|
|||
|
|
line-height: 1.4;
|
|||
|
|
overflow-x: auto;
|
|||
|
|
margin: 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.anti-impact {
|
|||
|
|
display: flex;
|
|||
|
|
align-items: center;
|
|||
|
|
gap: 6px;
|
|||
|
|
font-size: 11px;
|
|||
|
|
color: var(--vp-c-text-3);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.impact-icon {
|
|||
|
|
font-size: 14px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.code-sm {
|
|||
|
|
background: #1e293b;
|
|||
|
|
color: #e2e8f0;
|
|||
|
|
padding: 10px;
|
|||
|
|
border-radius: 6px;
|
|||
|
|
font-family: 'Menlo', monospace;
|
|||
|
|
font-size: 10px;
|
|||
|
|
line-height: 1.5;
|
|||
|
|
overflow-x: auto;
|
|||
|
|
margin: 0;
|
|||
|
|
}
|
|||
|
|
</style>
|