From 22f5862f15af65db4a2b7679242c2682f0208858 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BB=9D=E5=B0=98?= <237809796@qq.com>
Date: Fri, 13 Feb 2026 01:20:52 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=EF=BC=9A=E6=95=B0=E6=8D=AE?=
 =?UTF-8?q?=E5=BA=93=20UI=20UX=20=E5=A4=A7=E5=B9=85=E6=94=B9=E8=BF=9B?=
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功能增强：
- 查询历史记录与快速重用（最多50条）
- 查询模板管理（9个默认模板，支持自定义）
- SQL 格式化功能（关键字大写、缩进美化）
- 查询结果导出（CSV/JSON/Excel/Markdown）
- 执行时间显示（带颜色指示：绿/橙/红）
- 增强工具栏（整合所有功能）

新增组件：
- QueryHistoryPanel.vue - 查询历史面板
- QueryTemplatesPanel.vue - 查询模板面板
- SQLEditorToolbar.vue - 增强工具栏
- useQueryHistory.js - 历史记录管理
- useQueryTemplates.js - 模板管理
- sqlFormatter.js - SQL 格式化工具
- resultExporter.js - 结果导出工具

修改组件：
- SqlEditor.vue - 集成新功能与工具栏
---
 .../db-cli/components/QueryHistoryPanel.vue   | 247 +++++++++++++
 .../db-cli/components/QueryTemplatesPanel.vue | 330 ++++++++++++++++++
 .../db-cli/components/SQLEditorToolbar.vue    | 267 ++++++++++++++
 web/src/views/db-cli/components/SqlEditor.vue | 152 +++++---
 .../db-cli/composables/useQueryHistory.js     | 108 ++++++
 .../db-cli/composables/useQueryTemplates.js   | 195 +++++++++++
 web/src/views/db-cli/utils/resultExporter.js  | 231 ++++++++++++
 web/src/views/db-cli/utils/sqlFormatter.js    | 124 +++++++
 8 files changed, 1615 insertions(+), 39 deletions(-)
 create mode 100644 web/src/views/db-cli/components/QueryHistoryPanel.vue
 create mode 100644 web/src/views/db-cli/components/QueryTemplatesPanel.vue
 create mode 100644 web/src/views/db-cli/components/SQLEditorToolbar.vue
 create mode 100644 web/src/views/db-cli/composables/useQueryHistory.js
 create mode 100644 web/src/views/db-cli/composables/useQueryTemplates.js
 create mode 100644 web/src/views/db-cli/utils/resultExporter.js
 create mode 100644 web/src/views/db-cli/utils/sqlFormatter.js

diff --git a/web/src/views/db-cli/components/QueryHistoryPanel.vue b/web/src/views/db-cli/components/QueryHistoryPanel.vue
new file mode 100644
index 0000000..a07ab85
--- /dev/null
+++ b/web/src/views/db-cli/components/QueryHistoryPanel.vue
@@ -0,0 +1,247 @@
+<template>
+  <div class="query-history-panel">
+    <div class="panel-header">
+      <h3>查询历史</h3>
+      <a-space>
+        <a-input-search
+          v-model="searchKeyword"
+          placeholder="搜索历史..."
+          style="width: 200px"
+          @search="handleSearch"
+        />
+        <a-button
+          type="text"
+          size="small"
+          status="danger"
+          @click="handleClearAll"
+        >
+          <template #icon>
+            <icon-delete/>
+          </template>
+          清空
+        </a-button>
+      </a-space>
+    </div>
+
+    <div class="history-list">
+      <a-list
+        :data="displayedHistory"
+        :bordered="false"
+        size="small"
+      >
+        <template #item="{ item }">
+          <a-list-item class="history-item">
+            <div class="history-content">
+              <div class="history-header">
+                <a-tag size="small" :color="getDbTypeColor(item.dbType)">
+                  {{ item.dbType.toUpperCase() }}
+                </a-tag>
+                <span class="history-time">{{ formatTime(item.timestamp) }}</span>
+              </div>
+              <div class="history-query" @click="handleUseQuery(item.query)">
+                {{ item.queryPreview }}
+              </div>
+            </div>
+            <template #actions>
+              <a-button
+                type="text"
+                size="small"
+                @click="handleUseQuery(item.query)"
+              >
+                <template #icon>
+                  <icon-arrow-right/>
+                </template>
+                使用
+              </a-button>
+              <a-button
+                type="text"
+                size="small"
+                status="danger"
+                @click="handleDelete(item.id)"
+              >
+                <template #icon>
+                  <icon-delete/>
+                </template>
+              </a-button>
+            </template>
+          </a-list-item>
+        </template>
+      </a-list>
+
+      <a-empty
+        v-if="displayedHistory.length === 0"
+        description="暂无查询历史"
+        :style="{ padding: '40px 0' }"
+      />
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { Message } from '@arco-design/web-vue'
+import { IconDelete, IconArrowRight } from '@arco-design/web-vue/es/icon'
+import { useQueryHistory } from '../composables/useQueryHistory'
+
+const props = defineProps({
+  connectionId: {
+    type: [String, Number],
+    default: null
+  }
+})
+
+const emit = defineEmits(['use-query'])
+
+const queryHistory = useQueryHistory()
+const searchKeyword = ref('')
+const history = ref([])
+
+// 显示的历史记录（搜索过滤后）
+const displayedHistory = computed(() => {
+  if (!searchKeyword.value) {
+    return history.value
+  }
+  return queryHistory.searchHistory(searchKeyword.value)
+})
+
+onMounted(() => {
+  loadHistory()
+})
+
+const loadHistory = () => {
+  history.value = queryHistory.getHistory()
+}
+
+const handleSearch = () => {
+  // 搜索会自动触发 computed 更新
+}
+
+const handleUseQuery = (query) => {
+  emit('use-query', query)
+  Message.success('已加载查询语句')
+}
+
+const handleDelete = (id) => {
+  const success = queryHistory.deleteHistory(id)
+  if (success) {
+    loadHistory()
+    Message.success('删除成功')
+  }
+}
+
+const handleClearAll = () => {
+  if (confirm('确定要清空所有查询历史吗？')) {
+    const success = queryHistory.clearHistory()
+    if (success) {
+      loadHistory()
+      Message.success('已清空历史记录')
+    }
+  }
+}
+
+const getDbTypeColor = (dbType) => {
+  const colors = {
+    mysql: 'blue',
+    redis: 'red',
+    mongodb: 'green',
+    mongo: 'green'
+  }
+  return colors[dbType] || 'gray'
+}
+
+const formatTime = (timestamp) => {
+  const date = new Date(timestamp)
+  const now = new Date()
+  const diff = now - date
+
+  // 小于1分钟
+  if (diff < 60000) {
+    return '刚刚'
+  }
+  // 小于1小时
+  if (diff < 3600000) {
+    return `${Math.floor(diff / 60000)} 分钟前`
+  }
+  // 小于24小时
+  if (diff < 86400000) {
+    return `${Math.floor(diff / 3600000)} 小时前`
+  }
+  // 大于24小时
+  return date.toLocaleDateString() + ' ' + date.toLocaleTimeString()
+}
+
+// 暴露方法供父组件调用
+defineExpose({
+  addHistory: (query) => {
+    const record = queryHistory.addHistory(query, props.connectionId)
+    if (record) {
+      loadHistory()
+    }
+  }
+})
+</script>
+
+<style scoped>
+.query-history-panel {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.panel-header {
+  flex-shrink: 0;
+  padding: 12px;
+  border-bottom: 1px solid var(--color-border-2);
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.panel-header h3 {
+  margin: 0;
+  font-size: 14px;
+  font-weight: 600;
+}
+
+.history-list {
+  flex: 1;
+  overflow-y: auto;
+  padding: 8px;
+}
+
+.history-item {
+  padding: 8px;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.history-item:hover {
+  background: var(--color-fill-2);
+}
+
+.history-content {
+  flex: 1;
+}
+
+.history-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 6px;
+}
+
+.history-time {
+  font-size: 11px;
+  color: var(--color-text-3);
+}
+
+.history-query {
+  font-family: 'Monaco', 'Menlo', monospace;
+  font-size: 12px;
+  color: var(--color-text-1);
+  line-height: 1.5;
+  word-break: break-all;
+}
+</style>
diff --git a/web/src/views/db-cli/components/QueryTemplatesPanel.vue b/web/src/views/db-cli/components/QueryTemplatesPanel.vue
new file mode 100644
index 0000000..083cf43
--- /dev/null
+++ b/web/src/views/db-cli/components/QueryTemplatesPanel.vue
@@ -0,0 +1,330 @@
+<template>
+  <div class="query-templates-panel">
+    <div class="panel-header">
+      <h3>查询模板</h3>
+      <a-space>
+        <a-button
+          type="primary"
+          size="small"
+          @click="handleCreateTemplate"
+        >
+          <template #icon>
+            <icon-plus/>
+          </template>
+          新建模板
+        </a-button>
+      </a-space>
+    </div>
+
+    <div class="templates-list">
+      <a-collapse
+        :default-active-key="expandedCategories"
+        :bordered="false"
+      >
+        <a-collapse-item
+          v-for="(categoryTemplates, category) in groupedTemplates"
+          :key="category"
+          :header="category"
+        >
+          <template #extra>
+            <a-tag size="small">{{ categoryTemplates.length }}</a-tag>
+          </template>
+
+          <div class="template-grid">
+            <div
+              v-for="template in categoryTemplates"
+              :key="template.id"
+              class="template-card"
+              @click="handleUseTemplate(template)"
+            >
+              <div class="template-header">
+                <span class="template-name">{{ template.name }}</span>
+                <a-dropdown
+                  trigger="click"
+                  @click.stop
+                >
+                  <a-button type="text" size="mini">
+                    <icon-more/>
+                  </a-button>
+                  <template #content>
+                    <a-doption @click="handleEditTemplate(template)">
+                      <icon-edit/>
+                      编辑
+                    </a-doption>
+                    <a-doption
+                      style="color: var(--color-danger-6)"
+                      @click="handleDeleteTemplate(template.id)"
+                    >
+                      <icon-delete/>
+                      删除
+                    </a-doption>
+                  </template>
+                </a-dropdown>
+              </div>
+              <div class="template-description">
+                {{ template.description || '无描述' }}
+              </div>
+              <div class="template-query">
+                <code>{{ template.query.substring(0, 80) }}{{ template.query.length > 80 ? '...' : '' }}</code>
+              </div>
+            </div>
+          </div>
+        </a-collapse-item>
+      </a-collapse>
+
+      <a-empty
+        v-if="Object.keys(groupedTemplates).length === 0"
+        description="暂无模板"
+        :style="{ padding: '40px 0' }"
+      />
+    </div>
+
+    <!-- 新建/编辑模板弹窗 -->
+    <a-modal
+      v-model:visible="showTemplateModal"
+      :title="isEditing ? '编辑模板' : '新建模板'"
+      :width="600"
+      @ok="handleSaveTemplate"
+    >
+      <a-form :model="templateForm" layout="vertical">
+        <a-form-item label="模板名称" required>
+          <a-input
+            v-model="templateForm.name"
+            placeholder="例如：分页查询"
+          />
+        </a-form-item>
+
+        <a-form-item label="分类">
+          <a-select
+            v-model="templateForm.category"
+            placeholder="选择分类"
+            :options="categoryOptions"
+            allow-create
+          />
+        </a-form-item>
+
+        <a-form-item label="描述">
+          <a-textarea
+            v-model="templateForm.description"
+            placeholder="简短描述模板用途"
+            :max-length="100"
+            show-word-limit
+          />
+        </a-form-item>
+
+        <a-form-item label="SQL 语句" required>
+          <a-textarea
+            v-model="templateForm.query"
+            placeholder="输入 SQL 语句"
+            :auto-size="{ minRows: 6, maxRows: 12 }"
+            style="font-family: 'Monaco', 'Menlo', monospace"
+          />
+        </a-form-item>
+      </a-form>
+    </a-modal>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { Message } from '@arco-design/web-vue'
+import {
+  IconPlus, IconMore, IconEdit, IconDelete
+} from '@arco-design/web-vue/es/icon'
+import { useQueryTemplates } from '../composables/useQueryTemplates'
+
+const props = defineProps({
+  dbType: {
+    type: String,
+    default: 'mysql'
+  }
+})
+
+const emit = defineEmits(['use-template'])
+
+const queryTemplates = useQueryTemplates()
+const templates = ref([])
+const expandedCategories = ref(['基础查询'])
+const showTemplateModal = ref(false)
+const isEditing = ref(false)
+const templateForm = ref({
+  id: null,
+  name: '',
+  category: '自定义',
+  description: '',
+  query: ''
+})
+
+const categoryOptions = [
+  '基础查询', '分页', '统计', '插入', '更新', '删除',
+  'Join', '聚合', '子查询', 'Redis', 'MongoDB', '自定义'
+]
+
+// 按分类分组
+const groupedTemplates = computed(() => {
+  const filtered = queryTemplates.getTemplatesByType(props.dbType)
+  const groups = {}
+
+  filtered.forEach(template => {
+    const category = template.category || '自定义'
+    if (!groups[category]) {
+      groups[category] = []
+    }
+    groups[category].push(template)
+  })
+
+  return groups
+})
+
+onMounted(() => {
+  loadTemplates()
+})
+
+const loadTemplates = () => {
+  templates.value = queryTemplates.getTemplates()
+}
+
+const handleUseTemplate = (template) => {
+  emit('use-template', template.query)
+  Message.success(`已应用模板：${template.name}`)
+}
+
+const handleCreateTemplate = () => {
+  isEditing.value = false
+  templateForm.value = {
+    id: null,
+    name: '',
+    category: '自定义',
+    description: '',
+    query: ''
+  }
+  showTemplateModal.value = true
+}
+
+const handleEditTemplate = (template) => {
+  isEditing.value = true
+  templateForm.value = { ...template }
+  showTemplateModal.value = true
+}
+
+const handleSaveTemplate = () => {
+  if (!templateForm.value.name.trim()) {
+    Message.warning('请输入模板名称')
+    return
+  }
+  if (!templateForm.value.query.trim()) {
+    Message.warning('请输入 SQL 语句')
+    return
+  }
+
+  let result
+  if (isEditing.value) {
+    result = queryTemplates.updateTemplate(templateForm.value.id, templateForm.value)
+  } else {
+    result = queryTemplates.saveTemplate({
+      ...templateForm.value,
+      dbType: props.dbType
+    })
+  }
+
+  if (result) {
+    loadTemplates()
+    showTemplateModal.value = false
+    Message.success(isEditing.value ? '模板已更新' : '模板已创建')
+  }
+}
+
+const handleDeleteTemplate = (id) => {
+  if (confirm('确定要删除此模板吗？')) {
+    const success = queryTemplates.deleteTemplate(id)
+    if (success) {
+      loadTemplates()
+      Message.success('模板已删除')
+    }
+  }
+}
+</script>
+
+<style scoped>
+.query-templates-panel {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.panel-header {
+  flex-shrink: 0;
+  padding: 12px;
+  border-bottom: 1px solid var(--color-border-2);
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.panel-header h3 {
+  margin: 0;
+  font-size: 14px;
+  font-weight: 600;
+}
+
+.templates-list {
+  flex: 1;
+  overflow-y: auto;
+  padding: 8px;
+}
+
+.template-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+  gap: 12px;
+  padding: 8px 0;
+}
+
+.template-card {
+  padding: 12px;
+  border: 1px solid var(--color-border-2);
+  border-radius: 6px;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.template-card:hover {
+  border-color: var(--color-primary-6);
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+}
+
+.template-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 6px;
+}
+
+.template-name {
+  font-weight: 600;
+  font-size: 13px;
+  color: var(--color-text-1);
+}
+
+.template-description {
+  font-size: 12px;
+  color: var(--color-text-3);
+  margin-bottom: 8px;
+}
+
+.template-query {
+  font-size: 11px;
+  color: var(--color-text-2);
+}
+
+.template-query code {
+  background: var(--color-fill-2);
+  padding: 2px 6px;
+  border-radius: 3px;
+  font-family: 'Monaco', 'Menlo', monospace;
+  display: block;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+</style>
diff --git a/web/src/views/db-cli/components/SQLEditorToolbar.vue b/web/src/views/db-cli/components/SQLEditorToolbar.vue
new file mode 100644
index 0000000..0d10365
--- /dev/null
+++ b/web/src/views/db-cli/components/SQLEditorToolbar.vue
@@ -0,0 +1,267 @@
+<template>
+  <div class="sql-editor-toolbar">
+    <div class="toolbar-left">
+      <a-space>
+        <a-button type="primary" @click="handleExecute">
+          <template #icon>
+            <icon-play-arrow/>
+          </template>
+          {{ executeButtonText }} (F5)
+        </a-button>
+        <a-button type="outline" @click="handleExecuteSelected">
+          <template #icon>
+            <icon-code/>
+          </template>
+          执行选中 (Ctrl+Enter)
+        </a-button>
+      </a-space>
+    </div>
+
+    <div class="toolbar-center">
+      <a-space>
+        <a-button-group>
+          <a-button type="text" size="small" @click="handleFormat">
+            <template #icon>
+              <icon-thunderbolt/>
+            </template>
+            格式化
+          </a-button>
+          <a-button type="text" size="small" @click="handleShowHistory">
+            <template #icon>
+              <icon-history/>
+            </template>
+            历史
+          </a-button>
+          <a-button type="text" size="small" @click="handleShowTemplates">
+            <template #icon>
+              <icon-book/>
+            </template>
+            模板
+          </a-button>
+        </a-button-group>
+
+        <a-dropdown trigger="click">
+          <a-button type="text" size="small">
+            <template #icon>
+              <icon-download/>
+            </template>
+            导出
+            <icon-down/>
+          </a-button>
+          <template #content>
+            <a-doption @click="handleExport('csv')">
+              <icon-file/>
+              CSV 格式
+            </a-doption>
+            <a-doption @click="handleExport('json')">
+              <icon-file/>
+              JSON 格式
+            </a-doption>
+            <a-doption @click="handleExport('excel')">
+              <icon-file/>
+              Excel 格式
+            </a-doption>
+            <a-doption @click="handleExport('markdown')">
+              <icon-file/>
+              Markdown 表格
+            </a-doption>
+          </template>
+        </a-dropdown>
+      </a-space>
+    </div>
+
+    <div class="toolbar-right">
+      <a-space v-if="currentConnection">
+        <a-tag color="blue" size="small">
+          <template #icon>
+            <icon-storage/>
+          </template>
+          {{ currentConnection.name }}
+        </a-tag>
+        <span class="connection-info">
+          {{ currentConnection.host }}:{{ currentConnection.port }}
+          <span v-if="currentConnection.database" class="database-name">
+            / {{ currentConnection.database }}
+          </span>
+        </span>
+
+        <!-- 执行时间显示 -->
+        <a-tag
+          v-if="executionTime !== null"
+          :color="getExecutionTimeColor(executionTime)"
+          size="small"
+        >
+          <template #icon>
+            <icon-clock-circle/>
+          </template>
+          {{ executionTime }}ms
+        </a-tag>
+      </a-space>
+      <span v-else class="connection-info-empty">
+        未选择连接
+      </span>
+    </div>
+
+    <!-- 历史记录抽屉 -->
+    <a-drawer
+      v-model:visible="showHistoryDrawer"
+      title="查询历史"
+      :width="400"
+      placement="right"
+      :footer="false"
+    >
+      <QueryHistoryPanel
+        ref="historyPanelRef"
+        :connection-id="currentConnection?.id"
+        @use-query="handleUseHistoryQuery"
+      />
+    </a-drawer>
+
+    <!-- 模板抽屉 -->
+    <a-drawer
+      v-model:visible="showTemplatesDrawer"
+      title="查询模板"
+      :width="600"
+      placement="right"
+      :footer="false"
+    >
+      <QueryTemplatesPanel
+        :db-type="dbType"
+        @use-template="handleUseTemplate"
+      />
+    </a-drawer>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+import { Message } from '@arco-design/web-vue'
+import {
+  IconPlayArrow, IconCode, IconStorage, IconHistory, IconBook,
+  IconDownload, IconDown, IconFile, IconClockCircle, IconThunderbolt
+} from '@arco-design/web-vue/es/icon'
+import { formatSQL } from '../utils/sqlFormatter'
+import QueryHistoryPanel from './QueryHistoryPanel.vue'
+import QueryTemplatesPanel from './QueryTemplatesPanel.vue'
+
+const props = defineProps({
+  currentConnection: {
+    type: Object,
+    default: null
+  },
+  executionTime: {
+    type: Number,
+    default: null
+  }
+})
+
+const emit = defineEmits([
+  'execute',
+  'execute-selected',
+  'format',
+  'export'
+])
+
+const showHistoryDrawer = ref(false)
+const showTemplatesDrawer = ref(false)
+const historyPanelRef = ref(null)
+
+const dbType = computed(() =>
+  props.currentConnection?.type?.toLowerCase() || 'mysql'
+)
+
+const executeButtonText = computed(() => {
+  const type = dbType.value
+  if (type === 'redis') return '执行命令'
+  if (type === 'mongodb' || type === 'mongo') return '执行查询'
+  return '执行'
+})
+
+const handleExecute = () => {
+  emit('execute')
+}
+
+const handleExecuteSelected = () => {
+  emit('execute-selected')
+}
+
+const handleFormat = () => {
+  emit('format')
+}
+
+const handleShowHistory = () => {
+  showHistoryDrawer.value = true
+}
+
+const handleShowTemplates = () => {
+  showTemplatesDrawer.value = true
+}
+
+const handleUseHistoryQuery = (query) => {
+  showHistoryDrawer.value = false
+  emit('execute', query)
+}
+
+const handleUseTemplate = (query) => {
+  showTemplatesDrawer.value = false
+  emit('execute', query)
+}
+
+const handleExport = (format) => {
+  emit('export', format)
+}
+
+const getExecutionTimeColor = (ms) => {
+  if (ms < 100) return 'green'
+  if (ms < 500) return 'orange'
+  return 'red'
+}
+
+// 暴露方法供父组件调用
+defineExpose({
+  addHistory: (query) => {
+    historyPanelRef.value?.addHistory(query)
+  }
+})
+</script>
+
+<style scoped>
+.sql-editor-toolbar {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  gap: 16px;
+  padding: 8px 12px;
+  border-bottom: 1px solid var(--color-border-2);
+  background: var(--color-bg-1);
+}
+
+.toolbar-left,
+.toolbar-center,
+.toolbar-right {
+  display: flex;
+  align-items: center;
+}
+
+.toolbar-center {
+  flex: 1;
+  justify-content: center;
+}
+
+.connection-info {
+  font-size: 12px;
+  font-family: 'Monaco', 'Menlo', monospace;
+  color: var(--color-text-1);
+}
+
+.database-name {
+  margin-left: 8px;
+  color: var(--color-text-2);
+}
+
+.connection-info-empty {
+  font-size: 12px;
+  color: var(--color-text-3);
+  font-style: italic;
+}
+</style>
diff --git a/web/src/views/db-cli/components/SqlEditor.vue b/web/src/views/db-cli/components/SqlEditor.vue
index 95dd69c..c69db45 100644
--- a/web/src/views/db-cli/components/SqlEditor.vue
+++ b/web/src/views/db-cli/components/SqlEditor.vue
@@ -1,38 +1,16 @@
 <template>
   <div class="sql-editor-wrapper">
-    <div class="editor-toolbar">
-      <a-space>
-        <a-button type="outline" @click="handleExecute">
-          <template #icon>
-            <icon-play-arrow/>
-          </template>
-          {{ getExecuteButtonText() }} (F5)
-        </a-button>
-        <a-button type="outline" @click="handleExecuteSelected">
-          <template #icon>
-            <icon-code/>
-          </template>
-          执行选中 (Ctrl+Enter)
-        </a-button>
-      </a-space>
-      <a-space v-if="currentConnection">
-        <a-tag color="blue" size="small">
-          <template #icon>
-            <icon-storage/>
-          </template>
-          {{ currentConnection.name }}
-        </a-tag>
-        <span class="connection-info">
-          {{ currentConnection.host }}:{{ currentConnection.port }}
-          <span v-if="currentConnection.database" class="database-name">
-            / {{ currentConnection.database }}
-          </span>
-        </span>
-      </a-space>
-      <span v-else class="connection-info-empty">
-        未选择连接
-      </span>
-    </div>
+    <!-- 增强工具栏 -->
+    <SQLEditorToolbar
+      ref="toolbarRef"
+      :current-connection="currentConnection"
+      :execution-time="lastExecutionTime"
+      @execute="handleExecute"
+      @execute-selected="handleExecuteSelected"
+      @format="handleFormat"
+      @export="handleExport"
+    />
+
     <div class="editor-container">
       <div class="code-editor" ref="editorContainerRef"></div>
     </div>
@@ -42,7 +20,6 @@
 <script setup>
 import {nextTick, onBeforeUnmount, onMounted, ref, watch} from 'vue'
 import {Message} from '@arco-design/web-vue'
-import {IconPlayArrow, IconStorage, IconCode} from '@arco-design/web-vue/es/icon'
 import {
   EditorView, keymap, lineNumbers,
   EditorState,
@@ -51,16 +28,23 @@ import {
   defaultHighlightStyle, syntaxHighlighting
 } from '@/utils/codemirrorExports'
 import {useTabPersistence} from '../composables/useTabPersistence'
+import SQLEditorToolbar from './SQLEditorToolbar.vue'
+import {formatSQL} from '../utils/sqlFormatter'
+import {exportToCSV, exportToJSON, exportToExcel, exportToMarkdown} from '../utils/resultExporter'
 
 // ==================== Props & Events ====================
 const props = defineProps({
   currentConnection: {
     type: Object,
     default: null
+  },
+  queryResults: {
+    type: Array,
+    default: () => []
   }
 })
 
-const emit = defineEmits(['execute', 'execute-selected', 'format'])
+const emit = defineEmits(['execute', 'execute-selected', 'format', 'export'])
 
 // 常量配置
 const STORAGE_KEY_EDITOR_CONTENT = 'db-cli:editor-content'
@@ -101,8 +85,10 @@ const getExecuteButtonText = () => getDbConfig().executeText
 
 // ==================== 编辑器管理 ====================
 const editorContainerRef = ref(null)
+const toolbarRef = ref(null)
 let editorView = null
 let saveTimer = null
+const lastExecutionTime = ref(null)
 
 // 创建编辑器扩展
 const createEditorExtensions = () => {
@@ -243,17 +229,27 @@ const validateEditor = () => {
   return editorView
 }
 
-const handleExecute = () => {
+const handleExecute = (contentOverride = null) => {
   const editor = validateEditor()
   if (!editor) return
 
-  const content = editor.state.doc.toString().trim()
+  const content = contentOverride || editor.state.doc.toString().trim()
   if (!content) {
     Message.warning('SQL 语句不能为空')
     return
   }
 
-  emit('execute', content)
+  const startTime = performance.now()
+
+  emit('execute', content, (error) => {
+    const endTime = performance.now()
+    lastExecutionTime.value = Math.round(endTime - startTime)
+
+    if (!error) {
+      // 成功执行后添加到历史
+      toolbarRef.value?.addHistory(content)
+    }
+  })
 }
 
 const handleExecuteSelected = () => {
@@ -272,7 +268,16 @@ const handleExecuteSelected = () => {
     return
   }
 
-  emit('execute-selected', content)
+  const startTime = performance.now()
+
+  emit('execute-selected', content, (error) => {
+    const endTime = performance.now()
+    lastExecutionTime.value = Math.round(endTime - startTime)
+
+    if (!error) {
+      toolbarRef.value?.addHistory(content)
+    }
+  })
 }
 
 const insertSQL = async (sql) => {
@@ -343,6 +348,75 @@ onMounted(async () => {
   await initEditor()
 })
 
+// ==================== 新增：格式化与导出 ====================
+const handleFormat = () => {
+  const editor = getEditor()
+  if (!editor) {
+    Message.warning('编辑器未初始化')
+    return
+  }
+
+  const currentContent = editor.state.doc.toString()
+  if (!currentContent.trim()) {
+    Message.warning('没有可格式化的内容')
+    return
+  }
+
+  try {
+    const formatted = formatSQL(currentContent, {
+      indent: '  ',
+      uppercase: true
+    })
+
+    const transaction = editor.state.update({
+      changes: {
+        from: 0,
+        to: editor.state.doc.length,
+        insert: formatted
+      }
+    })
+    editor.dispatch(transaction)
+    Message.success('SQL 已格式化')
+  } catch (e) {
+    Message.error('格式化失败：' + e.message)
+  }
+}
+
+const handleExport = (format) => {
+  if (!props.queryResults || props.queryResults.length === 0) {
+    Message.warning('没有可导出的查询结果')
+    return
+  }
+
+  const timestamp = new Date().toISOString().replace(/[:.]/g, '-').substring(0, 19)
+  const filename = `query-result-${timestamp}`
+
+  let success = false
+  switch (format) {
+    case 'csv':
+      success = exportToCSV(props.queryResults, [], `${filename}.csv`)
+      break
+    case 'json':
+      success = exportToJSON(props.queryResults, `${filename}.json`, true)
+      break
+    case 'excel':
+      success = exportToExcel(props.queryResults, [], `${filename}.xls`)
+      break
+    case 'markdown':
+      success = exportToMarkdown(props.queryResults, [], `${filename}.md`)
+      break
+    default:
+      Message.warning('不支持的导出格式')
+      return
+  }
+
+  if (success) {
+    Message.success(`已导出为 ${format.toUpperCase()} 格式`)
+  } else {
+    Message.error('导出失败')
+  }
+}
+
 // ==================== 暴露方法 ====================
 defineExpose({
   insertSQL,
diff --git a/web/src/views/db-cli/composables/useQueryHistory.js b/web/src/views/db-cli/composables/useQueryHistory.js
new file mode 100644
index 0000000..ab38b49
--- /dev/null
+++ b/web/src/views/db-cli/composables/useQueryHistory.js
@@ -0,0 +1,108 @@
+/**
+ * 查询历史管理
+ * 用于存储和快速重用之前的查询
+ */
+
+const STORAGE_KEY = 'db-cli:query-history'
+const MAX_HISTORY = 50 // 最多保存50条历史
+
+export function useQueryHistory() {
+  /**
+   * 获取查询历史
+   */
+  const getHistory = () => {
+    try {
+      const stored = localStorage.getItem(STORAGE_KEY)
+      if (!stored) return []
+      return JSON.parse(stored)
+    } catch (e) {
+      console.error('Failed to load query history:', e)
+      return []
+    }
+  }
+
+  /**
+   * 添加查询到历史
+   */
+  const addHistory = (query, connectionId = null, dbType = 'mysql') => {
+    if (!query || !query.trim()) return
+
+    const history = getHistory()
+    const trimmedQuery = query.trim()
+
+    // 移除重复项
+    const filtered = history.filter(
+      item => item.query !== trimmedQuery || item.connectionId !== connectionId
+    )
+
+    // 添加新记录到开头
+    const newRecord = {
+      id: Date.now(),
+      query: trimmedQuery,
+      connectionId,
+      dbType,
+      timestamp: new Date().toISOString(),
+      queryPreview: trimmedQuery.substring(0, 100) + (trimmedQuery.length > 100 ? '...' : '')
+    }
+
+    const updated = [newRecord, ...filtered].slice(0, MAX_HISTORY)
+
+    try {
+      localStorage.setItem(STORAGE_KEY, JSON.stringify(updated))
+      return newRecord
+    } catch (e) {
+      console.error('Failed to save query history:', e)
+      return null
+    }
+  }
+
+  /**
+   * 清除历史
+   */
+  const clearHistory = () => {
+    try {
+      localStorage.removeItem(STORAGE_KEY)
+      return true
+    } catch (e) {
+      console.error('Failed to clear query history:', e)
+      return false
+    }
+  }
+
+  /**
+   * 删除单条历史
+   */
+  const deleteHistory = (id) => {
+    const history = getHistory()
+    const filtered = history.filter(item => item.id !== id)
+    try {
+      localStorage.setItem(STORAGE_KEY, JSON.stringify(filtered))
+      return true
+    } catch (e) {
+      console.error('Failed to delete query history:', e)
+      return false
+    }
+  }
+
+  /**
+   * 搜索历史
+   */
+  const searchHistory = (keyword) => {
+    const history = getHistory()
+    if (!keyword) return history
+
+    const lowerKeyword = keyword.toLowerCase()
+    return history.filter(item =>
+      item.query.toLowerCase().includes(lowerKeyword) ||
+      item.queryPreview.toLowerCase().includes(lowerKeyword)
+    )
+  }
+
+  return {
+    getHistory,
+    addHistory,
+    clearHistory,
+    deleteHistory,
+    searchHistory
+  }
+}
diff --git a/web/src/views/db-cli/composables/useQueryTemplates.js b/web/src/views/db-cli/composables/useQueryTemplates.js
new file mode 100644
index 0000000..673b5f8
--- /dev/null
+++ b/web/src/views/db-cli/composables/useQueryTemplates.js
@@ -0,0 +1,195 @@
+/**
+ * 查询模板管理
+ * 用于保存常用查询模板
+ */
+
+const STORAGE_KEY = 'db-cli:query-templates'
+
+// 默认模板
+const DEFAULT_TEMPLATES = [
+  {
+    id: 'template-1',
+    name: '查询所有数据',
+    description: '查询表中所有数据',
+    query: 'SELECT * FROM table_name WHERE 1=1;',
+    category: '基础查询'
+  },
+  {
+    id: 'template-2',
+    name: '分页查询',
+    description: '带分页的数据查询',
+    query: 'SELECT * FROM table_name WHERE 1=1 LIMIT 10 OFFSET 0;',
+    category: '分页'
+  },
+  {
+    id: 'template-3',
+    name: '统计查询',
+    description: '统计数据行数',
+    query: 'SELECT COUNT(*) as total FROM table_name WHERE 1=1;',
+    category: '统计'
+  },
+  {
+    id: 'template-4',
+    name: '插入数据',
+    description: '插入单条数据',
+    query: 'INSERT INTO table_name (column1, column2) VALUES (value1, value2);',
+    category: '插入'
+  },
+  {
+    id: 'template-5',
+    name: '更新数据',
+    description: '更新指定条件的数据',
+    query: 'UPDATE table_name SET column1 = value1 WHERE id = 1;',
+    category: '更新'
+  },
+  {
+    id: 'template-6',
+    name: '删除数据',
+    description: '删除指定条件的数据',
+    query: 'DELETE FROM table_name WHERE id = 1;',
+    category: '删除'
+  },
+  {
+    id: 'template-redis-1',
+    name: 'Redis - 设置键值',
+    description: 'SET 命令',
+    query: 'SET key value',
+    category: 'Redis',
+    dbType: 'redis'
+  },
+  {
+    id: 'template-redis-2',
+    name: 'Redis - 获取键值',
+    description: 'GET 命令',
+    query: 'GET key',
+    category: 'Redis',
+    dbType: 'redis'
+  },
+  {
+    id: 'template-mongo-1',
+    name: 'MongoDB - 查询数据',
+    description: 'find 查询',
+    query: 'db.collection.find({ field: value })',
+    category: 'MongoDB',
+    dbType: 'mongodb'
+  }
+]
+
+export function useQueryTemplates() {
+  /**
+   * 获取模板列表
+   */
+  const getTemplates = () => {
+    try {
+      const stored = localStorage.getItem(STORAGE_KEY)
+      if (!stored) {
+        // 首次使用，保存默认模板
+        localStorage.setItem(STORAGE_KEY, JSON.stringify(DEFAULT_TEMPLATES))
+        return DEFAULT_TEMPLATES
+      }
+      return JSON.parse(stored)
+    } catch (e) {
+      console.error('Failed to load query templates:', e)
+      return DEFAULT_TEMPLATES
+    }
+  }
+
+  /**
+   * 保存模板
+   */
+  const saveTemplate = (template) => {
+    const templates = getTemplates()
+    const newTemplate = {
+      id: `template-${Date.now()}`,
+      name: template.name || '未命名模板',
+      description: template.description || '',
+      query: template.query,
+      category: template.category || '自定义',
+      dbType: template.dbType || 'mysql',
+      createdAt: new Date().toISOString()
+    }
+
+    const updated = [...templates, newTemplate]
+
+    try {
+      localStorage.setItem(STORAGE_KEY, JSON.stringify(updated))
+      return newTemplate
+    } catch (e) {
+      console.error('Failed to save query template:', e)
+      return null
+    }
+  }
+
+  /**
+   * 更新模板
+   */
+  const updateTemplate = (id, updates) => {
+    const templates = getTemplates()
+    const index = templates.findIndex(t => t.id === id)
+
+    if (index === -1) return null
+
+    templates[index] = {
+      ...templates[index],
+      ...updates,
+      updatedAt: new Date().toISOString()
+    }
+
+    try {
+      localStorage.setItem(STORAGE_KEY, JSON.stringify(templates))
+      return templates[index]
+    } catch (e) {
+      console.error('Failed to update query template:', e)
+      return null
+    }
+  }
+
+  /**
+   * 删除模板
+   */
+  const deleteTemplate = (id) => {
+    const templates = getTemplates()
+    const filtered = templates.filter(t => t.id !== id)
+
+    try {
+      localStorage.setItem(STORAGE_KEY, JSON.stringify(filtered))
+      return true
+    } catch (e) {
+      console.error('Failed to delete query template:', e)
+      return false
+    }
+  }
+
+  /**
+   * 根据数据库类型筛选模板
+   */
+  const getTemplatesByType = (dbType) => {
+    const templates = getTemplates()
+    if (!dbType) return templates
+
+    // 通用模板（无 dbType） + 匹配当前 dbType 的模板
+    return templates.filter(t => !t.dbType || t.dbType === dbType.toLowerCase())
+  }
+
+  /**
+   * 重置为默认模板
+   */
+  const resetToDefaults = () => {
+    try {
+      localStorage.setItem(STORAGE_KEY, JSON.stringify(DEFAULT_TEMPLATES))
+      return true
+    } catch (e) {
+      console.error('Failed to reset query templates:', e)
+      return false
+    }
+  }
+
+  return {
+    getTemplates,
+    saveTemplate,
+    updateTemplate,
+    deleteTemplate,
+    getTemplatesByType,
+    resetToDefaults
+  }
+}
diff --git a/web/src/views/db-cli/utils/resultExporter.js b/web/src/views/db-cli/utils/resultExporter.js
new file mode 100644
index 0000000..4886177
--- /dev/null
+++ b/web/src/views/db-cli/utils/resultExporter.js
@@ -0,0 +1,231 @@
+/**
+ * 查询结果导出工具
+ * 支持 CSV、JSON、Excel 格式
+ */
+
+/**
+ * 导出为 CSV
+ */
+export function exportToCSV(data, columns = [], filename = 'query-result.csv') {
+  if (!data || !Array.isArray(data) || data.length === 0) {
+    console.warn('No data to export')
+    return false
+  }
+
+  try {
+    // 自动检测列名
+    let headers = columns
+    if (headers.length === 0) {
+      headers = Object.keys(data[0])
+    }
+
+    // 构建 CSV 内容
+    const rows = []
+
+    // 表头
+    rows.push(headers.join(','))
+
+    // 数据行
+    data.forEach(row => {
+      const values = headers.map(header => {
+        const value = row[header]
+        // 处理 null/undefined
+        if (value === null || value === undefined) return ''
+        // 处理包含逗号或引号的值
+        const strValue = String(value)
+        if (strValue.includes(',') || strValue.includes('"') || strValue.includes('\n')) {
+          return `"${strValue.replace(/"/g, '""')}"`
+        }
+        return strValue
+      })
+      rows.push(values.join(','))
+    })
+
+    // 添加 BOM 使 Excel 正确识别 UTF-8
+    const BOM = '\uFEFF'
+    const csvContent = BOM + rows.join('\n')
+
+    // 创建下载
+    downloadFile(csvContent, filename, 'text/csv;charset=utf-8')
+    return true
+  } catch (e) {
+    console.error('Failed to export CSV:', e)
+    return false
+  }
+}
+
+/**
+ * 导出为 JSON
+ */
+export function exportToJSON(data, filename = 'query-result.json', pretty = true) {
+  if (!data || !Array.isArray(data)) {
+    console.warn('No data to export')
+    return false
+  }
+
+  try {
+    const jsonContent = pretty
+      ? JSON.stringify(data, null, 2)
+      : JSON.stringify(data)
+
+    downloadFile(jsonContent, filename, 'application/json;charset=utf-8')
+    return true
+  } catch (e) {
+    console.error('Failed to export JSON:', e)
+    return false
+  }
+}
+
+/**
+ * 导出为 Markdown 表格
+ */
+export function exportToMarkdown(data, columns = [], filename = 'query-result.md') {
+  if (!data || !Array.isArray(data) || data.length === 0) {
+    console.warn('No data to export')
+    return false
+  }
+
+  try {
+    // 自动检测列名
+    let headers = columns
+    if (headers.length === 0) {
+      headers = Object.keys(data[0])
+    }
+
+    // 构建 Markdown 表格
+    const rows = []
+
+    // 表头
+    rows.push('| ' + headers.join(' | ') + ' |')
+    rows.push('| ' + headers.map(() => '---').join(' | ') + ' |')
+
+    // 数据行
+    data.forEach(row => {
+      const values = headers.map(header => {
+        const value = row[header]
+        if (value === null || value === undefined) return ''
+        // 转义管道符
+        return String(value).replace(/\|/g, '\\|')
+      })
+      rows.push('| ' + values.join(' | ') + ' |')
+    })
+
+    const mdContent = rows.join('\n')
+    downloadFile(mdContent, filename, 'text/markdown;charset=utf-8')
+    return true
+  } catch (e) {
+    console.error('Failed to export Markdown:', e)
+    return false
+  }
+}
+
+/**
+ * 导出为 Excel (HTML 表格格式)
+ */
+export function exportToExcel(data, columns = [], filename = 'query-result.xls') {
+  if (!data || !Array.isArray(data) || data.length === 0) {
+    console.warn('No data to export')
+    return false
+  }
+
+  try {
+    // 自动检测列名
+    let headers = columns
+    if (headers.length === 0) {
+      headers = Object.keys(data[0])
+    }
+
+    // 构建 HTML 表格
+    let html = '<table>\n'
+
+    // 表头
+    html += '  <thead>\n    <tr>\n'
+    headers.forEach(header => {
+      html += `      <th><b>${escapeHtml(header)}</b></th>\n`
+    })
+    html += '    </tr>\n  </thead>\n'
+
+    // 表体
+    html += '  <tbody>\n'
+    data.forEach(row => {
+      html += '    <tr>\n'
+      headers.forEach(header => {
+        const value = row[header]
+        const displayValue = value === null || value === undefined ? '' : String(value)
+        html += `      <td>${escapeHtml(displayValue)}</td>\n`
+      })
+      html += '    </tr>\n'
+    })
+    html += '  </tbody>\n'
+
+    html += '</table>'
+
+    downloadFile(html, filename, 'application/vnd.ms-excel;charset=utf-8')
+    return true
+  } catch (e) {
+    console.error('Failed to export Excel:', e)
+    return false
+  }
+}
+
+/**
+ * 下载文件
+ */
+function downloadFile(content, filename, mimeType) {
+  const blob = new Blob([content], { type: mimeType })
+  const url = URL.createObjectURL(blob)
+  const link = document.createElement('a')
+  link.href = url
+  link.download = filename
+  document.body.appendChild(link)
+  link.click()
+  document.body.removeChild(link)
+  URL.revokeObjectURL(url)
+}
+
+/**
+ * HTML 转义
+ */
+function escapeHtml(text) {
+  const map = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#039;'
+  }
+  return text.replace(/[&<>"']/g, m => map[m])
+}
+
+/**
+ * 复制到剪贴板
+ */
+export async function copyToClipboard(data, format = 'json') {
+  if (!data) return false
+
+  try {
+    let content = ''
+
+    switch (format) {
+      case 'json':
+        content = JSON.stringify(data, null, 2)
+        break
+      case 'csv':
+        if (data.length === 0) return false
+        const headers = Object.keys(data[0])
+        content = headers.join(',') + '\n'
+        data.forEach(row => {
+          content += headers.map(h => row[h] ?? '').join(',') + '\n'
+        })
+        break
+      default:
+        content = String(data)
+    }
+
+    await navigator.clipboard.writeText(content)
+    return true
+  } catch (e) {
+    console.error('Failed to copy to clipboard:', e)
+    return false
+  }
+}
diff --git a/web/src/views/db-cli/utils/sqlFormatter.js b/web/src/views/db-cli/utils/sqlFormatter.js
new file mode 100644
index 0000000..d9ebfaa
--- /dev/null
+++ b/web/src/views/db-cli/utils/sqlFormatter.js
@@ -0,0 +1,124 @@
+/**
+ * SQL 格式化工具
+ * 简单的 SQL 美化工具
+ */
+
+/**
+ * SQL 关键字列表
+ */
+const SQL_KEYWORDS = [
+  'SELECT', 'FROM', 'WHERE', 'JOIN', 'LEFT JOIN', 'RIGHT JOIN', 'INNER JOIN',
+  'OUTER JOIN', 'ON', 'AND', 'OR', 'NOT', 'IN', 'LIKE', 'BETWEEN',
+  'ORDER BY', 'GROUP BY', 'HAVING', 'LIMIT', 'OFFSET',
+  'INSERT INTO', 'VALUES', 'UPDATE', 'SET', 'DELETE FROM',
+  'CREATE TABLE', 'ALTER TABLE', 'DROP TABLE',
+  'UNION', 'UNION ALL', 'DISTINCT', 'AS',
+  'ASC', 'DESC', 'NULL', 'IS NULL', 'IS NOT NULL',
+  'PRIMARY KEY', 'FOREIGN KEY', 'REFERENCES', 'UNIQUE',
+  'INDEX', 'CASCADE', 'RESTRICT', 'NO ACTION',
+  'CASE', 'WHEN', 'THEN', 'ELSE', 'END'
+]
+
+/**
+ * 简单的 SQL 格式化
+ * @param {string} sql - 原始 SQL
+ * @param {object} options - 格式化选项
+ * @returns {string} - 格式化后的 SQL
+ */
+export function formatSQL(sql, options = {}) {
+  const {
+    indent = '  ', // 缩进字符串
+    uppercase = true, // 关键字大写
+    linesBetweenQueries = 2 // 查询之间的空行数
+  } = options
+
+  if (!sql || typeof sql !== 'string') return ''
+
+  // 移除多余的空白
+  let formatted = sql.trim()
+
+  // 分割成多个查询
+  const queries = formatted.split(';').filter(q => q.trim())
+
+  const formattedQueries = queries.map(query => {
+    return formatSingleQuery(query.trim(), { indent, uppercase })
+  })
+
+  // 用空行连接查询
+  return formattedQueries.join('\n'.repeat(linesBetweenQueries + 1)) +
+    (formattedQueries.length > 0 ? ';\n' : '')
+}
+
+/**
+ * 格式化单个查询
+ */
+function formatSingleQuery(query, { indent, uppercase }) {
+  if (!query) return ''
+
+  // 关键字转大写/小写
+  let result = query
+  if (uppercase) {
+    SQL_KEYWORDS.forEach(keyword => {
+      const regex = new RegExp(`\\b${keyword}\\b`, 'gi')
+      result = result.replace(regex, keyword)
+    })
+  }
+
+  // 在关键字前后添加换行
+  const lineBreakKeywords = [
+    'SELECT', 'FROM', 'WHERE', 'JOIN', 'LEFT JOIN', 'RIGHT JOIN', 'INNER JOIN',
+    'OUTER JOIN', 'ON', 'AND', 'OR', 'ORDER BY', 'GROUP BY', 'HAVING',
+    'LIMIT', 'OFFSET', 'INSERT INTO', 'VALUES', 'UPDATE', 'SET', 'DELETE FROM',
+    'CREATE TABLE', 'ALTER TABLE', 'DROP TABLE', 'UNION', 'UNION ALL'
+  ]
+
+  lineBreakKeywords.forEach(keyword => {
+    const regex = new RegExp(`\\s+${keyword}\\s+`, 'gi')
+    result = result.replace(regex, `\n${keyword} `)
+  })
+
+  // 处理逗号
+  result = result.replace(/,\s*/g, ',\n' + indent)
+
+  // 移除开头的换行
+  result = result.replace(/^\n+/, '')
+
+  // 按行分割并处理缩进
+  const lines = result.split('\n')
+  let indentLevel = 0
+  const formattedLines = lines.map(line => {
+    line = line.trim()
+    if (!line) return ''
+
+    // 减少缩进的关键字
+    if (/^(FROM|WHERE|ORDER BY|GROUP BY|HAVING|LIMIT|OFFSET)/i.test(line)) {
+      indentLevel = 0
+    }
+
+    // 添加缩进
+    let formattedLine = indent.repeat(indentLevel) + line
+
+    // 增加缩进的关键字
+    if (/^(FROM|WHERE|JOIN|ON|AND|OR|ORDER BY|GROUP BY|HAVING|VALUES|SET)/i.test(line)) {
+      // 保持当前缩进级别
+    } else if (/^(INSERT INTO|UPDATE|DELETE FROM|CREATE TABLE)/i.test(line)) {
+      indentLevel = 1
+    }
+
+    return formattedLine
+  })
+
+  return formattedLines.filter(line => line.trim()).join('\n')
+}
+
+/**
+ * 简单格式化（单行压缩）
+ */
+export function minifySQL(sql) {
+  if (!sql || typeof sql !== 'string') return ''
+  return sql
+    .replace(/\s+/g, ' ')
+    .replace(/\s*,\s*/g, ',')
+    .replace(/\s*;\s*/g, ';')
+    .trim()
+}