前端代码修改

src/main/resources/static/pages/langchain/ai-chat.html

@@ -50,14 +50,15 @@
             </div>
         </div>
     </div>
-    <!-- 中间聊天区域 -->
-    <div class="chat-wrapper">
-        <div class="chat-container">
-            <!-- 消息历史区域 -->
+    
+    <!-- 右侧聊天区域 -->
+    <div class="chat-area">
+        <!-- 消息历史区域 -->
+        <div id="scrollContainer" class="scrollContainer">
             <div id="chat-messages" class="chat-messages">
-                <div v-for="(message, index) in messages" 
-                     :key="index" 
-                     class="message" 
+                <div v-for="(message, index) in messages"
+                     :key="index"
+                     class="message"
                      :class="message.role + '-message'">
                     <div class="avatar">{{ message.role === 'user' ? '我' : 'AI' }}</div>
                     <div class="content">
@@ -66,23 +67,44 @@
                     </div>
                 </div>
             </div>
-
-            <!-- 输入区域 -->
-            <div class="input-area">
-                <textarea id="user-input" v-model="userInput" placeholder="请输入您的问题..." rows="2"></textarea>
-                <button id="send-btn" class="send-btn" @click="sendMessage" v-show="!isResponding">
-                    <svg viewBox="0 0 24 24" width="24" height="24" stroke="currentColor" stroke-width="2" fill="none"
-                         stroke-linecap="round" stroke-linejoin="round" class="send-icon">
-                        <line x1="22" y1="2" x2="11" y2="13"></line>
-                        <polygon points="22 2 15 22 11 13 2 9 22 2"></polygon>
-                    </svg>
-                </button>
-                <button id="stop-btn" class="stop-btn" @click="stopResponse" v-show="isResponding">
-                    <svg viewBox="0 0 24 24" width="24" height="24" stroke="currentColor" stroke-width="2" fill="none"
-                         stroke-linecap="round" stroke-linejoin="round" class="stop-icon">
-                        <rect x="6" y="6" width="12" height="12" rx="2" ry="2"></rect>
-                    </svg>
-                </button>
+        </div>
+        
+        <!-- 输入区域 -->
+        <div class="input-area">
+                <textarea id="user-input" v-model="userInput" placeholder="请输入您的问题    shift+enter换行" rows="3"></textarea>
+                <div class="input-area-content">
+                    <div>
+                        <div class="custom-select" v-click-outside="closeExpertDropdown">
+                            <div class="selected-option" @click.stop="toggleExpertDropdown">
+                                <span>{{ selectedExpert }}</span>
+                                <svg class="dropdown-icon" :class="{ 'rotated': showExpertDropdown }" viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" stroke-width="2" fill="none">
+                                    <polyline points="6 9 12 15 18 9"></polyline>
+                                </svg>
+                            </div>
+                            <div class="dropdown-menu" v-show="showExpertDropdown">
+                                <div class="dropdown-item" @click.stop="selectExpert('内部专家')" :class="{ 'active': selectedExpert === '内部专家' }">
+                                    <span>内部专家</span>
+                                </div>
+                                <div class="dropdown-item" @click.stop="selectExpert('外部专家')" :class="{ 'active': selectedExpert === '外部专家' }">
+                                    <span>外部专家</span>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                    <div>
+                        <button id="send-btn" class="send-btn" @click="sendMessage" v-show="!isResponding">
+                            <svg class="send-icon" viewBox="0 0 24 24" width="18" height="18" stroke="currentColor" stroke-width="2" fill="none" stroke-linecap="round" stroke-linejoin="round">
+                                <line x1="12" y1="19" x2="12" y2="5"></line>
+                                <polyline points="5 12 12 5 19 12"></polyline>
+                            </svg>
+                        </button>
+                        <button id="stop-btn" class="stop-btn" @click="stopResponse" v-show="isResponding">
+                            <svg viewBox="0 0 24 24" width="18" height="18" stroke="currentColor" stroke-width="2" fill="none"
+                                 stroke-linecap="round" stroke-linejoin="round" class="stop-icon">
+                                <rect x="6" y="6" width="12" height="12" rx="2" ry="2"></rect>
+                            </svg>
+                        </button>
+                    </div>
             </div>
         </div>
     </div>

src/main/resources/static/pages/langchain/js/ai-chat-vue.js

@@ -2,6 +2,21 @@
  * AI聊天页面Vue应用
  */
 require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils, echarts) {
+    // 添加点击外部关闭指令
+    Vue.directive('click-outside', {
+        bind: function (el, binding, vnode) {
+            el.clickOutsideEvent = function (event) {
+                if (!(el == event.target || el.contains(event.target))) {
+                    vnode.context[binding.expression](event);
+                }
+            };
+            document.body.addEventListener('click', el.clickOutsideEvent);
+        },
+        unbind: function (el) {
+            document.body.removeEventListener('click', el.clickOutsideEvent);
+        }
+    });
+
     const app = new Vue({
         el: '#app',
         data: {
@@ -18,6 +33,10 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
             isResponding: false,
             userInput: "",
             
+            // 专家选择相关数据
+            selectedExpert: '内部专家',
+            showExpertDropdown: false,
+            
             // 历史对话分类
             historySections: [
                 {
@@ -68,6 +87,7 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
             this.getSessionId();
         },
         mounted: function () {
+            this.pageEvent();
             // 监听输入框的键盘事件
             this.$nextTick(() => {
                 const textarea = document.getElementById('user-input');
@@ -82,9 +102,37 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
                         this.closeAllMenus();
                     }
                 });
+                // // 获取滚动容器和消息容器
+                // const scrollContainer = document.getElementById('chat-messages').parentElement;
+                // const chatMessages = document.getElementById('chat-messages');
+                // // 创建MutationObserver监听消息变化
+                // const observer = new MutationObserver(function(mutations) {
+                //     mutations.forEach(mutation => {
+                //         if (mutation.addedNodes.length) {
+                //             // 使用延时确保内容已渲染
+                //             setTimeout(() => {
+                //                 scrollContainer.scrollTo({
+                //                     top: scrollContainer.scrollHeight,
+                //                     behavior: 'smooth' // 可选平滑滚动
+                //                 });
+                //             }, 50);
+                //         }
+                //     });
+                // });
+                //
+                // // 开始观察子元素变化
+                // observer.observe(chatMessages, {
+                //     childList: true
+                // });
             });
         },
         methods: {
+            pageEvent:function(){
+                // 确保在DOM加载完成后执行
+                document.addEventListener('DOMContentLoaded', function() {
+
+                });
+            },
             // 用户相关方法
             currentUser: function () {
                 const that = this;
@@ -130,7 +178,8 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
             sendMessage() {
                 const message = this.userInput.trim();
                 if (!message) return;
-                
+
+                this.stopResponse();
                 // 添加用户消息
                 this.addMessage('user', message);
                 this.userInput = '';
@@ -146,7 +195,7 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
                 if (this.currentEventSource) {
                     this.currentEventSource.close();
                     this.currentEventSource = null;
-                    
+
                     // 切换回发送按钮
                     this.isResponding = false;
                     
@@ -154,8 +203,9 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
                     const aiMessages = this.messages.filter(msg => msg.role === 'ai');
                     if (aiMessages.length > 0) {
                         const lastAIMessage = aiMessages[aiMessages.length - 1];
-                        if (!lastAIMessage.content.includes('(已终止)')) {
-                            lastAIMessage.content += ' (已终止)';
+                        lastAIMessage.typing = false;
+                        if (!lastAIMessage.content.includes('(已手动结束回答)')) {
+                            lastAIMessage.content += ' (已手动结束回答)';
                         }
                     }
                 }
@@ -167,7 +217,7 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
                 
                 // 自动滚动到底部
                 this.$nextTick(() => {
-                    const messagesDiv = document.getElementById('chat-messages');
+                    const messagesDiv = document.getElementById('scrollContainer');
                     if (messagesDiv) {
                         messagesDiv.scrollTop = messagesDiv.scrollHeight;
                     }
@@ -181,7 +231,7 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
 
                 // 自动滚动到底部
                 this.$nextTick(() => {
-                    const messagesDiv = document.getElementById('chat-messages');
+                    const messagesDiv = document.getElementById('scrollContainer');
                     if (messagesDiv) {
                         messagesDiv.scrollTop = messagesDiv.scrollHeight;
                     }
@@ -212,7 +262,7 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
 
                     // 自动滚动到底部
                     this.$nextTick(() => {
-                        const messagesDiv = document.getElementById('chat-messages');
+                        const messagesDiv = document.getElementById('scrollContainer');
                         if (messagesDiv) {
                             messagesDiv.scrollTop = messagesDiv.scrollHeight;
                         }
@@ -348,6 +398,18 @@ require(['jquery', 'vue', 'utils', 'echarts', 'global'], function ($, Vue, utils
                 if (isActiveChat) {
                     this.clearChat();
                 }
+            },
+            // 专家选择相关方法
+            toggleExpertDropdown() {
+                this.showExpertDropdown = !this.showExpertDropdown;
+            },
+            closeExpertDropdown() {
+                this.showExpertDropdown = false;
+            },
+            selectExpert(expert) {
+                this.selectedExpert = expert;
+                // 立即关闭下拉框
+                this.showExpertDropdown = false;
             }
         }
     });

src/main/resources/static/pages/langchain/style/ai-chat.css

@@ -65,6 +65,7 @@ body {
     display: flex;
     height: 100vh;
     width: 100%;
+    overflow: hidden;
 }
 
 /* 左侧边栏样式 */
@@ -212,101 +213,54 @@ body {
     color: var(--text-secondary);
 }
 
-/* 聊天包装器样式 - 新增 */
-.chat-wrapper {
+/* 右侧聊天区域 */
+.chat-area {
     flex: 1;
     display: flex;
     flex-direction: column;
-    justify-content: flex-start;
-    align-items: center;
-    background-color: var(--bg-color);
-    padding: 0;
     position: relative;
     height: 100vh;
-    overflow: hidden;
-}
-
-/* 聊天容器样式 */
-.chat-container {
-    width: 900px;
-    max-width: 95%;
-    height: 100%;
-    display: flex;
-    flex-direction: column;
+    overflow-y: auto; /* 使整个聊天区域可滚动，滚动条显示在最右边 */
+    overflow-x: hidden;
     background-color: var(--bg-color);
-    overflow: hidden;
-    position: relative;
-    padding-bottom: 80px; /* 为底部输入框留出空间 */
-}
-
-/* 聊天头部样式 */
-.chat-header {
-    padding: 15px 20px;
-    background-color: #fff;
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    border-bottom: 1px solid #e8e8e8;
-    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
 }
 
-.current-chat-info {
-    display: flex;
-    align-items: center;
+.scrollContainer{
+    width: 100%;
+    overflow-y: auto; /* 让内容继续流动 */
+    height: calc(100vh - 150px); /* 确保占据足够高度 */
 }
 
-.current-chat-title {
-    font-size: 1rem;
-    font-weight: 600;
-    color: #333;
+/* 聊天消息区域 */
+.chat-messages {
+    width: 900px;
+    max-width: 95%;
+    margin: 0 auto;
+    padding: 20px;
+    margin-bottom: 10px;
 }
 
-.chat-info {
+/* 输入区域 */
+.input-area {
+    width: 900px;
+    max-width: 95%;
+    margin: 0 auto 30px auto;
+    padding: 8px 10px;
     display: flex;
-    align-items: center;
-    gap: 15px;
+    background-color: var(--input-area-bg);
+    border-radius: 15px;
+    box-shadow: 0 1px 8px var(--box-shadow);
+    position: sticky;
+    bottom: 30px;
+    flex-shrink: 0; /* 防止被压缩 */
+    flex-direction: column;
+    justify-content: flex-start;
 }
 
-.status {
+.input-area-content{
     display: flex;
-    align-items: center;
-    font-size: 0.9rem;
-}
-
-.status::before {
-    content: '';
-    display: inline-block;
-    width: 8px;
-    height: 8px;
-    margin-right: 5px;
-    border-radius: 50%;
-}
-
-.status.online::before {
-    background-color: #52c41a;
-}
-
-.clear-btn {
-    padding: 6px 12px;
-    background-color: #f0f0f0;
-    color: #595959;
-    border: none;
-    border-radius: 4px;
-    cursor: pointer;
-    transition: background-color 0.3s;
-}
-
-.clear-btn:hover {
-    background-color: #e0e0e0;
-}
-
-/* 消息区域样式 */
-.chat-messages {
-    flex: 1;
-    padding: 20px;
-    overflow-y: auto;
-    background-color: var(--bg-color);
-    height: calc(100vh - 80px);
+    justify-content: space-between;
+    padding-left: 10px;
 }
 
 /* 单条消息样式 */
@@ -363,23 +317,6 @@ body {
     word-break: break-word;
 }
 
-/* 输入区域样式 */
-.input-area {
-    display: flex;
-    padding: 8px 10px;
-    background-color: var(--input-area-bg);
-    align-items: center;
-    position: absolute;
-    bottom: 30px;
-    left: 20px;
-    right: 20px;
-    width: calc(100% - 40px);
-    z-index: 10;
-    box-shadow: 0 1px 8px var(--box-shadow);
-    border-radius: 15px;
-    border-top: none;
-}
-
 #user-input {
     flex: 1;
     padding: 8px 10px;
@@ -387,7 +324,7 @@ body {
     border-radius: 0;
     resize: none;
     outline: none;
-    height: 70px;
+    height: 100px;
     max-height: 150px;
     background-color: transparent;
     transition: all 0.3s;
@@ -407,13 +344,13 @@ body {
 }
 
 .send-btn, .stop-btn {
-    width: 44px;
-    height: 44px;
-    min-height: 44px;
+    width: 36px;
+    height: 36px;
+    min-height: 36px;
     background-color: var(--primary-color);
     color: white;
     border: none;
-    border-radius: 12px;
+    border-radius: 50%;
     cursor: pointer;
     display: flex;
     align-items: center;
@@ -434,9 +371,9 @@ body {
     background-color: #ff7875;
 }
 
-.stop-icon {
-    width: 20px;
-    height: 20px;
+.stop-icon, .send-icon {
+    width: 18px;
+    height: 18px;
     stroke: white;
 }
 
@@ -473,15 +410,10 @@ body {
         left: 0;
     }
     
-    .chat-wrapper {
-        padding: 10px;
-    }
-    
-    .chat-container {
+    .chat-messages,
+    .input-area {
         width: 100%;
         max-width: 100%;
-        height: 100vh;
-        border-radius: 0;
     }
     
     .message .content {
@@ -521,4 +453,98 @@ body {
         opacity: 1;
         transform: translateY(0);
     }
+}
+
+/* 自定义选择器样式 */
+.custom-select {
+    position: relative;
+    width: auto;
+    min-width: 70px;
+    cursor: pointer;
+    user-select: none;
+    margin-right: 10px;
+    margin-left: 0;
+}
+
+.selected-option {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 2px 5px;
+    border-radius: 8px;
+    background-color: rgba(230, 220, 250, 0.5);
+    color: #6633ff;
+    font-size: 14px;
+    transition: all 0.2s;
+}
+
+.selected-option span {
+    margin-right: 2px;
+    text-align: center;
+    display: inline-block;
+    width: 100%;
+}
+
+.dark-theme .selected-option {
+    background-color: rgba(130, 100, 200, 0.2);
+    color: #9980ff;
+}
+
+.selected-option:hover {
+    background-color: rgba(210, 200, 250, 0.7);
+}
+
+.dark-theme .selected-option:hover {
+    background-color: rgba(150, 120, 220, 0.3);
+}
+
+.dropdown-icon {
+    transition: transform 0.2s;
+    margin-left: 2px;
+    flex-shrink: 0;
+    stroke: #6633ff;
+}
+
+.dark-theme .dropdown-icon {
+    stroke: #9980ff;
+}
+
+.dropdown-icon.rotated {
+    transform: rotate(180deg);
+}
+
+.dropdown-menu {
+    position: absolute;
+    bottom: 100%;
+    left: 0;
+    width: 100%;
+    margin-bottom: 5px;
+    background-color: var(--message-bg);
+    border-radius: 8px;
+    box-shadow: 0 2px 10px var(--box-shadow);
+    z-index: 100;
+    overflow: hidden;
+}
+
+.dropdown-item {
+    padding: 6px 8px;
+    transition: background-color 0.2s;
+    font-size: 13px;
+    color: var(--text-color);
+    text-align: center;
+}
+
+.dropdown-item:hover {
+    background-color: var(--hover-bg);
+}
+
+.dropdown-item.active {
+    background-color: var(--active-bg);
+    font-weight: 500;
+}
+
+/* 输入区域内容样式 */
+.input-area-content {
+    display: flex;
+    align-items: center;
 } 
\ No newline at end of file