优化报告导出功能和Vditor显示

- 实现自定义导出格式选择框，向上延展显示
- 修复Vditor导出功能，使用正确的按钮选择器
- 添加导出后Vditor内容自动恢复机制
- 优化用户体验，支持PDF、HTML、Markdown、纯文本导出
- 添加详细的调试日志和错误处理
- 修复导出后Vditor内容消失的问题

vue-info-reporter/src/components/ReportDrawer.vue

@@ -122,16 +122,40 @@
             <!-- 操作按钮 -->
             <div>
               <h3 class="text-lg font-semibold text-gray-900 mb-3">操作</h3>
-              <div class="flex flex-wrap gap-3">
-                <button
-                  @click="downloadReport"
-                  class="flex items-center gap-2 bg-primary-600 text-white px-4 py-2 rounded-lg hover:bg-primary-700 transition-colors"
-                >
-                  <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 0 1 2-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
-                  </svg>
-                  下载报告
-                </button>
+              <div class="flex flex-wrap gap-3 relative">
+                <!-- 下载按钮 -->
+                <div class="relative export-menu-container">
+                  <button
+                    @click="toggleExportMenu"
+                    class="flex items-center gap-2 bg-primary-600 text-white px-4 py-2 rounded-lg hover:bg-primary-700 transition-colors"
+                  >
+                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 0 1 2-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+                    </svg>
+                    下载报告
+                    <svg class="w-4 h-4 transition-transform duration-200" :class="{ 'rotate-180': showExportMenu }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
+                    </svg>
+                  </button>
+                  
+                  <!-- 导出格式选择菜单 -->
+                  <div
+                    v-if="showExportMenu"
+                    class="absolute bottom-full left-0 mb-1 bg-white border border-gray-200 rounded-lg shadow-lg z-50 min-w-[160px]"
+                  >
+                    <div class="py-1">
+                      <button
+                        v-for="format in exportFormats"
+                        :key="format.key"
+                        @click="exportReport(format.key)"
+                        class="w-full flex items-center gap-3 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 transition-colors"
+                      >
+                        <span class="text-lg">{{ format.icon }}</span>
+                        <span>{{ format.label }}</span>
+                      </button>
+                    </div>
+                  </div>
+                </div>
                 
                 <button
                   @click="shareReport"
@@ -163,7 +187,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, watch, onUnmounted, nextTick } from 'vue'
+import { ref, watch, onUnmounted, onMounted, nextTick } from 'vue'
 import Vditor from 'vditor'
 
 // Props定义
@@ -182,6 +206,15 @@ const emit = defineEmits(['close', 'navigate', 'get-task-title'])
 // Vditor实例
 const vditorInstance = ref<Vditor | null>(null)
 
+// 导出格式选择框状态
+const showExportMenu = ref(false)
+const exportFormats = [
+  { key: 'pdf', label: 'PDF', icon: '📄' },
+  { key: 'html', label: 'HTML', icon: '🌐' },
+  { key: 'markdown', label: 'Markdown', icon: '📝' },
+  { key: 'txt', label: '纯文本', icon: '📃' }
+]
+
 // 清理Markdown内容的函数
 const cleanMarkdownContent = (content: string): string => {
   if (!content) return ''
@@ -281,6 +314,24 @@ const initVditor = async () => {
             if (toolbar) {
               console.log('- 工具栏可见性:', getComputedStyle(toolbar).display)
               console.log('- 工具栏宽度:', getComputedStyle(toolbar).width)
+              
+              // 检查导出相关的按钮
+              const exportButtons = toolbar.querySelectorAll('[data-type*="export"]')
+              console.log('- 导出按钮数量:', exportButtons.length)
+              exportButtons.forEach((btn, index) => {
+                console.log(`- 导出按钮${index + 1}:`, btn.getAttribute('data-type'), btn.textContent)
+              })
+              
+              // 检查所有工具栏按钮
+              const allButtons = toolbar.querySelectorAll('button, [data-type]')
+              console.log('- 所有工具栏按钮:')
+              allButtons.forEach((btn, index) => {
+                const dataType = btn.getAttribute('data-type')
+                const text = btn.textContent?.trim()
+                if (dataType || text) {
+                  console.log(`  ${index + 1}. data-type: ${dataType}, text: "${text}"`)
+                }
+              })
             }
           }
         }, 500)
@@ -326,9 +377,23 @@ const destroyVditor = () => {
 }
 
 
+// 点击外部关闭导出菜单
+const handleClickOutside = (event: Event) => {
+  const target = event.target as HTMLElement
+  if (!target.closest('.export-menu-container')) {
+    showExportMenu.value = false
+  }
+}
+
+// 组件挂载时添加事件监听
+onMounted(() => {
+  document.addEventListener('click', handleClickOutside)
+})
+
 // 组件卸载时清理
 onUnmounted(() => {
   destroyVditor()
+  document.removeEventListener('click', handleClickOutside)
 })
 
 const getTypeClass = (type: string) => {
@@ -353,18 +418,132 @@ const getTypeText = (type: string) => {
 
 // 导航功能现在通过emit处理
 
-const downloadReport = () => {
+// 切换导出菜单显示状态
+const toggleExportMenu = () => {
+  showExportMenu.value = !showExportMenu.value
+}
+
+// 检查并重新初始化Vditor
+const ensureVditorExists = () => {
+  if (!vditorInstance.value && props.currentReport?.content) {
+    console.log('Vditor实例不存在，重新初始化...')
+    nextTick(() => {
+      if (props.drawerOpen && props.currentReport) {
+        setTimeout(() => {
+          if (props.drawerOpen && props.currentReport) {
+            initVditor()
+          }
+        }, 100)
+      }
+    })
+  }
+}
+
+// 导出报告（根据格式选择）
+const exportReport = (format: string) => {
   if (!props.currentReport) return
   
+  // 关闭菜单
+  showExportMenu.value = false
+  
+  console.log(`开始导出${format}格式的报告`)
+  console.log('Vditor实例状态:', vditorInstance.value ? '存在' : '不存在')
+  
+  // 确保Vditor实例存在
+  ensureVditorExists()
+  
+  // 如果Vditor实例存在，使用Vditor的导出功能
+  if (vditorInstance.value && format !== 'txt') {
+    try {
+      const vditorElement = document.getElementById('vditor-report-content')
+      if (vditorElement) {
+        console.log('Vditor元素找到，开始查找导出按钮')
+        
+        // 尝试多种可能的导出按钮选择器
+        let exportButton: HTMLElement | null = null
+        
+        // 方法1：查找Vditor工具栏中的导出相关按钮
+        const toolbarButtons = vditorElement.querySelectorAll('.vditor-toolbar button, .vditor-toolbar [data-type]')
+        console.log('找到的工具栏按钮数量:', toolbarButtons.length)
+        
+        // 打印所有按钮的信息用于调试
+        toolbarButtons.forEach((btn, index) => {
+          const element = btn as HTMLElement
+          console.log(`按钮${index}:`, {
+            text: element.textContent?.trim(),
+            dataType: element.getAttribute('data-type'),
+            className: element.className,
+            title: element.getAttribute('title')
+          })
+        })
+        
+        // 方法2：根据格式查找特定按钮
+        if (format === 'pdf') {
+          exportButton = vditorElement.querySelector('[data-type="pdf"]') as HTMLElement
+        } else if (format === 'html') {
+          exportButton = vditorElement.querySelector('[data-type="html"]') as HTMLElement
+        } else if (format === 'markdown') {
+          exportButton = vditorElement.querySelector('[data-type="markdown"]') as HTMLElement
+        }
+        
+        console.log(`查找${format}导出按钮结果:`, exportButton)
+        
+        // 如果找到对应的导出按钮，点击它
+        if (exportButton) {
+          console.log(`找到${format}导出按钮，准备点击`)
+          exportButton.click()
+          console.log(`已点击${format}导出按钮`)
+          
+          // 导出完成后重新初始化Vditor以确保内容显示正常
+          setTimeout(() => {
+            if (!vditorInstance.value && props.currentReport?.content) {
+              console.log('导出后重新初始化Vditor')
+              initVditor()
+            }
+          }, 1000)
+          return
+        }
+        
+        // 方法3：尝试通用的导出按钮
+        const generalExportButton = vditorElement.querySelector('[data-type="export"]') as HTMLElement ||
+                                   vditorElement.querySelector('[title*="导出"]') as HTMLElement ||
+                                   vditorElement.querySelector('[title*="export"]') as HTMLElement ||
+                                   vditorElement.querySelector('button[title*="导出"]') as HTMLElement
+        
+        if (generalExportButton) {
+          console.log('找到通用导出按钮，准备点击')
+          generalExportButton.click()
+          console.log('已点击通用导出按钮')
+          
+          // 导出完成后重新初始化Vditor以确保内容显示正常
+          setTimeout(() => {
+            if (!vditorInstance.value && props.currentReport?.content) {
+              console.log('导出后重新初始化Vditor')
+              initVditor()
+            }
+          }, 1000)
+          return
+        }
+        
+        console.log('未找到任何导出按钮')
+      }
+    } catch (error) {
+      console.warn(`Vditor导出${format}失败:`, error)
+    }
+  }
+  
+  // 备用方案：直接下载文本文件
+  console.log(`使用备用下载方案，格式：${format}`)
   const blob = new Blob([props.currentReport.content], { type: 'text/plain;charset=utf-8' })
   const url = URL.createObjectURL(blob)
   const a = document.createElement('a')
   a.href = url
-  a.download = `${props.currentReport.title}.txt`
+  a.download = `${props.currentReport.title}.${format === 'txt' ? 'txt' : format}`
   a.click()
   URL.revokeObjectURL(url)
 }
 
+
 const shareReport = () => {
   if (!props.currentReport) return