chore：AI智能可以复制语句

lang-bundle.json

@@ -2652,6 +2652,10 @@
                     "noContentToCopy": "无可复制的内容",
                     "copySuccess": "已复制",
                     "copySelected": "已复制选中内容",
+                    "selectTextToCopy": "选取文字复制",
+                    "selectedText": "已选文字",
+                    "copyAll": "复制全部",
+                    "selectTextTip": "长按文字拖动两端手柄，可自由选择复制范围",
                     "copyFail": "复制失败",
                     "copyFailWithReason": "复制失败：{reason}",
                     "openingFile": "打开文件中...",

lang/en-us/ai-chat/index.js

@@ -33,6 +33,10 @@ export const lang = {
 	noContentToCopy: 'No content to copy',
 	copySuccess: 'Copied',
 	copySelected: 'Copied selected content',
+	selectTextToCopy: 'Select text to copy',
+	selectedText: 'Selected',
+	copyAll: 'Copy all',
+	selectTextTip: 'Long press and drag the handles to choose any range',
 	copyFail: 'Copy failed',
 	copyFailWithReason: 'Copy failed: {reason}',
 	openingFile: 'Opening file...',
@@ -136,8 +140,8 @@ export const lang = {
 	logInitNavbarFailed: 'Failed to initialize navigation bar',
 	logChatComponentNotInit: 'Chat component not initialized',
 	logServicerConfigNotLoaded: '[AI Customer Service] servicerConfig not loaded, retrying after 200ms...'
-
+
-	// ====== AI Agent general copy (customer service is the first agent) ======
+	// ====== AI Agent general copy (customer service is the first agent) ======
-	aiAgentDefaultTitle: 'AI Agent',
+	aiAgentDefaultTitle: 'AI Agent',
-	aiAgentOpenFailed: 'Failed to open AI Agent, please try again later',
+	aiAgentOpenFailed: 'Failed to open AI Agent, please try again later',
 	aiAgentNotConfigured: 'This AI Agent is not enabled'}

lang/zh-cn/ai-chat/index.js

@@ -33,6 +33,10 @@ export const lang = {
 	noContentToCopy: '无可复制的内容',
 	copySuccess: '已复制',
 	copySelected: '已复制选中内容',
+	selectTextToCopy: '选取文字复制',
+	selectedText: '已选文字',
+	copyAll: '复制全部',
+	selectTextTip: '长按文字拖动两端手柄，可自由选择复制范围',
 	copyFail: '复制失败',
 	copyFailWithReason: '复制失败：{reason}',
 	openingFile: '打开文件中...',

pages_tool/ai-chat/ai-chat-message.vue

@@ -44,7 +44,11 @@
               @touchend="onBubbleTouchEnd"
               @touchcancel="onBubbleTouchEnd">
               <rich-text v-if="searchKeyword" :nodes="highlightContent(message.content)" class="message-rich-text" />
-              <text v-else class="message-text" selectable>{{ message.content }}</text>
+              <text v-else class="message-text" selectable
+                @touchstart.stop
+                @touchmove.stop
+                @touchend.stop
+                @touchcancel.stop>{{ message.content }}</text>
             </view>
           </view>
           <view class="avatar" @tap="showAvatarSelector = true">
@@ -78,7 +82,17 @@
               @touchcancel="onBubbleTouchEnd">
               <!-- 文本消息 -->
               <view v-if="message.type === 'text'" class="text-content">
+                <!-- 微信小程序: rich-text 不支持选中文本,降级为 text selectable 以支持长按选择部分文字 -->
+                <!-- #ifdef MP-WEIXIN -->
+                <text class="ai-message-text" selectable
+                  @touchstart.stop
+                  @touchmove.stop
+                  @touchend.stop
+                  @touchcancel.stop>{{ _stripMarkdown(message.content) }}</text>
+                <!-- #endif -->
+                <!-- #ifdef H5 -->
                 <rich-text :nodes="getAIDisplayContent(message.content)" />
+                <!-- #endif -->
               </view>
               
               <!-- Markdown文档 -->
@@ -341,6 +355,41 @@
         </view>
       </view>
     </view>
+
+    <!-- 选取文字复制弹窗：长按文字后可自由选取任意范围（含单个字符/标点）复制 -->
+    <view v-if="showSelectTextModal" class="select-text-popup">
+      <view class="select-text-mask" @click="closeSelectTextModal"></view>
+      <view class="select-text-panel">
+        <view class="select-text-header">
+          <text>{{ $lang('ai-chat.index.selectTextToCopy', '选取文字复制') }}</text>
+          <button class="close-btn" @click="closeSelectTextModal">
+            <text>×</text>
+          </button>
+        </view>
+        <view class="select-text-tip">{{ $lang('ai-chat.index.selectTextTip', '长按文字拖动两端手柄，可自由选择复制范围') }}</view>
+        <textarea
+          class="select-text-textarea"
+          :value="selectTextValue"
+          :maxlength="20000"
+          :auto-height="false"
+          :show-confirm-bar="false"
+          :adjust-position="true"
+          :focus="true"
+          :selection-start="selectStart"
+          :selection-end="selectEnd"
+          @input="onTextInput"
+          @selectionchange="onTextSelectionChange"
+          @blur="onTextBlur" />
+        <view class="select-text-preview" v-if="selectedPreview">
+          <text class="select-text-preview-label">{{ $lang('ai-chat.index.selectedText', '已选文字') }}：</text>
+          <text class="select-text-preview-content">{{ selectedPreview }}</text>
+        </view>
+        <view class="select-text-footer">
+          <button class="select-text-copy-btn" @click="copySelectedText">{{ selectedPreview ? $lang('ai-chat.index.copySelected', '已复制选中内容') : $lang('ai-chat.index.copyAll', '复制全部') }}</button>
+          <button class="select-text-close-btn" @click="closeSelectTextModal">{{ $lang('ai-chat.index.cancel', '关闭') }}</button>
+        </view>
+      </view>
+    </view>
     
     <!-- 键盘垫高层：键盘弹出时平滑撑开空间将输入框上推 -->
     <view class="keyboard-spacer" :style="{ height: keyboardHeight + 'px' }"></view>
@@ -457,6 +506,12 @@ export default {
     localUserNickname: '', // 当前用户昵称
     defaultNickname: '', // 默认昵称
     showNicknameEditor: false, // 昵称编辑弹窗控制
+    // 选取文字复制弹窗
+    showSelectTextModal: false,
+    selectTextValue: '',   // 弹窗内文本域当前内容
+    selectStart: 0,        // 当前选中起点
+    selectEnd: 0,          // 当前选中终点
+    selectedPreview: '',   // 选中文字预览
     // AI头像错误状态
     avatarError: false,
     // 当前选中的 AI 模型, 显示在输入框左侧(如 Auto)
@@ -1811,7 +1866,7 @@ _handleStreamError(msg) {
         .trim()
     },
 
-    // 长按消息→直接复制
+    // 长按/右键消息 → 弹出操作菜单（复制 / 分享 / 选取文字复制）
     onMessageLongPress(message) {
       // loading 消息不允许操作
       if (message.type === 'loading') return
@@ -1823,7 +1878,164 @@ _handleStreamError(msg) {
       } catch (e) { /* 不支持震动的设备忽略 */ }
       // #endif
 
-      this.copyMessage(message)
+      this.openMessageMenu(message)
+    },
+
+    // 打开消息操作菜单：复制 / 分享 / 选取文字复制
+    openMessageMenu(message) {
+      const text = message && message.content ? message.content : ''
+      if (!text) return
+
+      // #ifdef H5
+      // H5 优先使用原生浏览器上下文菜单体验（右键已出系统菜单时避免重复弹层）
+      // 仍提供底部操作菜单，保持与小程序一致
+      // #endif
+
+      uni.showActionSheet({
+        itemList: ['复制', '分享', this.$lang('ai-chat.index.selectTextToCopy', '选取文字复制')],
+        success: (res) => {
+          if (res.tapIndex === 0) {
+            this.copyMessage(message)
+          } else if (res.tapIndex === 1) {
+            this.shareMessage(message)
+          } else if (res.tapIndex === 2) {
+            this.openSelectTextModal(message)
+          }
+        },
+        fail: () => { /* 用户取消 */ }
+      })
+    },
+
+    // 分享消息内容（兼容微信小程序与 H5）
+    shareMessage(message) {
+      const text = message && message.content ? message.content : ''
+      if (!text) return
+
+      // #ifdef MP-WEIXIN
+      // 微信小程序：调起分享功能
+      try {
+        wx.showShareMenu({
+          withShareTicket: true,
+          menus: ['shareAppMessage', 'shareTimeline']
+        })
+      } catch (e) {
+        // 若当前页面未配置分享，降级为提示复制
+        uni.showToast({ title: '请长按使用系统分享', icon: 'none' })
+      }
+      // #endif
+
+      // #ifdef H5
+      // H5：调用 Web Share API，降级为复制到剪贴板
+      if (navigator.share) {
+        navigator.share({
+          title: '聊天记录',
+          text: text
+        }).catch(() => { /* 用户取消分享 */ })
+      } else {
+        this.copyMessage(message)
+        uni.showToast({ title: '已复制，可直接粘贴分享', icon: 'none' })
+      }
+      // #endif
+    },
+
+    // 打开"选取文字复制"弹窗：长按后可自由选取任意范围（含单个字符/标点）复制
+    openSelectTextModal(message) {
+      const text = message && message.content ? message.content : ''
+      if (!text) return
+      this.selectTextValue = text
+      this.selectStart = 0
+      this.selectEnd = 0
+      this.selectedPreview = ''
+      this.showSelectTextModal = true
+
+      // 下一帧自动全选，方便用户直接拖动手柄缩小范围（H5 / 微信小程序均适用）
+      this.$nextTick(() => {
+        this.selectStart = 0
+        this.selectEnd = text.length
+        // H5：绑定 textarea DOM 选区变化事件，实时同步选中范围
+        // #ifdef H5
+        try {
+          const el = document.querySelector('.select-text-textarea textarea') || document.querySelector('.select-text-textarea')
+          if (el) {
+            const sync = () => {
+              try {
+                const s = el.selectionStart || 0
+                const e = el.selectionEnd || 0
+                this.selectStart = s
+                this.selectEnd = e
+                this.selectedPreview = (el.value || '').substring(s, e)
+              } catch (err) { /* noop */ }
+            }
+            el.addEventListener('select', sync)
+            el.addEventListener('keyup', sync)
+            el.addEventListener('mouseup', sync)
+            el.addEventListener('touchend', sync)
+            el.focus()
+            el.select && el.select()
+            el.setSelectionRange && el.setSelectionRange(0, el.value.length)
+            sync()
+          }
+        } catch (e) { /* 部分环境不支持 */ }
+        // #endif
+      })
+    },
+
+    // 文本域输入：同步内容（用户若误编辑也能拿到最新文本）
+    onTextInput(event) {
+      const val = (event && event.detail && event.detail.value) || (event && event.target && event.target.value) || ''
+      this.selectTextValue = val
+    },
+
+    // 微信小程序：文本域选区变化（拖动两端手柄选择范围）
+    onTextSelectionChange(event) {
+      try {
+        const detail = event && event.detail
+        if (detail) {
+          this.selectStart = detail.start || 0
+          this.selectEnd = detail.end || 0
+          this.selectedPreview = (this.selectTextValue || '').substring(this.selectStart, this.selectEnd)
+        }
+      } catch (e) { /* noop */ }
+    },
+
+    // 失焦时兜底同步一次选区（H5 拖选结束时）
+    onTextBlur(event) {
+      try {
+        // #ifdef H5
+        const el = document.querySelector('.select-text-textarea textarea') || document.querySelector('.select-text-textarea')
+        if (el) {
+          const s = el.selectionStart || 0
+          const e = el.selectionEnd || 0
+          this.selectStart = s
+          this.selectEnd = e
+          this.selectedPreview = (el.value || '').substring(s, e)
+        }
+        // #endif
+      } catch (e) { /* noop */ }
+    },
+
+    // 复制选中范围（未选则复制全部）
+    copySelectedText() {
+      const text = this.selectTextValue || ''
+      if (!text) {
+        uni.showToast({ title: this.$lang('ai-chat.index.noContentToCopy'), icon: 'none' })
+        return
+      }
+      const start = Math.min(this.selectStart, this.selectEnd)
+      const end = Math.max(this.selectStart, this.selectEnd)
+      const selected = start < end ? text.substring(start, end) : ''
+      const copyText = selected || text
+      this.copyMessage({ content: copyText, _selected: !!selected })
+      this.closeSelectTextModal()
+    },
+
+    // 关闭"选取文字复制"弹窗
+    closeSelectTextModal() {
+      this.showSelectTextModal = false
+      this.selectTextValue = ''
+      this.selectStart = 0
+      this.selectEnd = 0
+      this.selectedPreview = ''
     },
 
     // 手动长按检测（touch 事件方案，兼容所有平台）
@@ -1866,17 +2078,28 @@ _handleStreamError(msg) {
         return
       }
 
+      // 由"选取文字复制"弹窗传入的已选范围，直接按传入内容复制，不再读取浏览器选区
+      const isSelected = !!message._selected
+
       // #ifdef H5
       // H5：检测是否有局部文本被选中，有则复制选区文本，无则复制全文
-      const selection = window.getSelection()
+      let finalText = copyText
-      const selectedText = selection && selection.toString().trim()
+      let selectedText = ''
-      const finalText = selectedText || copyText
+      if (!isSelected) {
+        try {
+          const selection = window.getSelection()
+          selectedText = selection && selection.toString().trim()
+          finalText = selectedText || copyText
+        } catch (e) { /* noop */ }
+      } else {
+        selectedText = copyText
+      }
 
       // H5 优先使用 Clipboard API，降级使用 document.execCommand
       try {
         if (typeof navigator !== 'undefined' && navigator.clipboard && navigator.clipboard.writeText) {
           navigator.clipboard.writeText(finalText).then(() => {
-            uni.showToast({ title: selectedText ? this.$lang('ai-chat.index.copySelected') : this.$lang('ai-chat.index.copySuccess'), icon: 'success' })
+            uni.showToast({ title: selectedText ? this.$lang('ai-chat.index.copySelected', '已复制选中内容') : this.$lang('ai-chat.index.copySuccess'), icon: 'success' })
           }).catch(() => {
             this._fallbackCopyH5(finalText)
           })
@@ -1895,7 +2118,7 @@ _handleStreamError(msg) {
         data: copyText,
         success: () => {
           console.log('[AI Chat] 复制成功')
-          uni.showToast({ title: this.$lang('ai-chat.index.copySuccess'), icon: 'success' })
+          uni.showToast({ title: isSelected ? this.$lang('ai-chat.index.copySelected', '已复制选中内容') : this.$lang('ai-chat.index.copySuccess'), icon: 'success' })
         },
         fail: (err) => {
           console.error('[AI Chat] 复制失败, 详细错误:', JSON.stringify(err))
@@ -2536,6 +2759,15 @@ _handleStreamError(msg) {
               letter-spacing: 0.3rpx;
               color: #1f1f1f;
             }
+
+            // 微信小程序: AI 文本消息降级为 selectable text,支持长按选择部分文字
+            .ai-message-text {
+              font-size: 30rpx;
+              line-height: 1.6;
+              color: #1f1f1f;
+              white-space: pre-wrap;
+              word-break: break-word;
+            }
           }
 
           .message-time {
@@ -3880,7 +4112,152 @@ _handleStreamError(msg) {
       }
     }
   }
-  
+
+/* 选取文字复制弹窗 */
+.select-text-popup {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 1001;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: flex-end;
+
+  .select-text-mask {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background-color: rgba(0, 0, 0, 0.4);
+  }
+
+  .select-text-panel {
+    position: relative;
+    width: 100%;
+    height: 70%;
+    display: flex;
+    flex-direction: column;
+    background-color: #fff;
+    border-radius: 24rpx 24rpx 0 0;
+    overflow: hidden;
+
+    .select-text-header {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      padding: 24rpx 32rpx;
+      border-bottom: 1rpx solid #e5e5e5;
+      background-color: #f9f9f9;
+
+      text {
+        font-size: 32rpx;
+        font-weight: 500;
+        color: #333;
+      }
+
+      .close-btn {
+        width: 64rpx;
+        height: 64rpx;
+        border-radius: 50%;
+        background-color: transparent;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        border: none;
+        padding: 0;
+
+        text {
+          font-size: 48rpx;
+          color: #999;
+          line-height: 1;
+        }
+      }
+    }
+
+    .select-text-tip {
+      padding: 16rpx 32rpx 0;
+      font-size: 24rpx;
+      color: #999;
+      background-color: #f9f9f9;
+    }
+
+    .select-text-textarea {
+      flex: 1;
+      width: 100%;
+      padding: 32rpx;
+      font-size: 30rpx;
+      line-height: 1.6;
+      color: #333;
+      background-color: #fff;
+      border: none;
+      box-sizing: border-box;
+    }
+
+    .select-text-preview {
+      max-height: 200rpx;
+      overflow-y: auto;
+      padding: 20rpx 32rpx;
+      border-top: 1rpx dashed #e5e5e5;
+      background-color: #f6f8fa;
+      font-size: 26rpx;
+      color: #555;
+      word-break: break-all;
+
+      .select-text-preview-label {
+        color: #999;
+        margin-right: 8rpx;
+      }
+
+      .select-text-preview-content {
+        color: #07c160;
+        font-weight: 500;
+      }
+    }
+
+    .select-text-footer {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 24rpx 32rpx;
+      padding-bottom: calc(24rpx + env(safe-area-inset-bottom));
+      border-top: 1rpx solid #e5e5e5;
+      background-color: #f9f9f9;
+
+      .select-text-copy-btn {
+        flex: 1;
+        height: 80rpx;
+        border-radius: 40rpx;
+        background-color: #07c160;
+        color: #fff;
+        font-size: 28rpx;
+        font-weight: 500;
+        border: none;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        margin-right: 20rpx;
+      }
+
+      .select-text-close-btn {
+        width: 160rpx;
+        height: 80rpx;
+        border-radius: 40rpx;
+        background-color: #f2f2f2;
+        color: #666;
+        font-size: 28rpx;
+        border: none;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+      }
+    }
+  }
+}
+
   // H5 下允许 rich-text 内容文本选择（鼠标拖选复制）
   .text-content,
   .markdown-body {