实现chatGPT 聊天样式

效果图实现chatGPT 聊天样式_第1张图片
代码:

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Chat Example</title>

    <link rel="stylesheet" href="./highlight/default.min.css">

    <script src="./highlight/highlight.min.js"></script>


    <script src="./marked/marked.min.js"></script>

</head>

<body>
    <div class="title">
        <span> 软件部测试,后端大模型使用claude2。计划接入gpt4</span>
    </div>
    <div id="chat-container">
        <div id="chat-messages">
        </div>
    </div>
    <div class="message-input-wrapper">
        <textarea type="text" id="message-input" placeholder="请输入您的内容"></textarea>
        <div id="send-button">发送</div>
    </div>

    <script>
        console.log(window)
        // 获取需要的DOM元素
        const chatMessages = document.getElementById("chat-messages");
        const messageInput = document.getElementById("message-input");
        const sendButton = document.getElementById("send-button");

      
      
        // formateMarkdown("# Hello World")
        // 定义发送消息的函数
        function sendMessage() {
            const message = messageInput.value;
            if (message.trim() === "") {
                return;
            }

            // 创建一个新的消息元素,并添加到聊天框
            let messageElement = `<div class="flex-right">
                <div class="time-remark-wrapper mr10">
                    <span class="time">${getNowTime()}</span>
                    <div class="message user-message" style="display: inline-block;">
                        ${message}
                    </div>
                </div>
                <img src="./images/avatar.jpeg" class="avatar"/>
            </div>`
            chatMessages.innerHTML += messageElement;

            messageInput.value = "";

            // 发送消息到服务器
            sendToServer(message);
        }


        function getNowTime() {
            var currentTime = new Date();
            var year = currentTime.getFullYear();
            var month = currentTime.getMonth() + 1; // 月份从 0 开始,所以要加 1
            var day = currentTime.getDate();
            var hours = currentTime.getHours();
            var minutes = currentTime.getMinutes();
            var seconds = currentTime.getSeconds();

            // 格式化为两位数
            if (month < 10) {
                month = '0' + month;
            }
            if (day < 10) {
                day = '0' + day;
            }
            if (hours < 10) {
                hours = '0' + hours;
            }
            if (minutes < 10) {
                minutes = '0' + minutes;
            }
            if (seconds < 10) {
                seconds = '0' + seconds;
            }

            var formattedTime = year + '-' + month + '-' + day + ' ' + hours + ':' + minutes + ':' + seconds;
            return formattedTime;
        }


        function formateMarkdown(message) {

            var renderer = new marked.Renderer();
            renderer.code = function (code, language) {
                var highlightedCode = hljs.highlightAuto(code).value;
                return '
+ language + '">' + highlightedCode + '
'
; }; marked.setOptions({ renderer: renderer, gfm: true, tables: true, breaks: true, pedantic: false, sanitize: false, smartLists: true, smartypants: false, }) var parsedHTML = marked.parse(message); let messageHTML = ` <div class="flex-left"> <img src="./images/chatGPT.png" class="avatar mr10"/> <div class="time-remark-wrapper"> <span class="time">${getNowTime()}</span> <div class="message bot-message" style="display: inline-block;"> ${parsedHTML} </div> </div> </div>` chatMessages.innerHTML += messageHTML; } // 定义发送消息到服务器的函数 function sendToServer(message) { // formateMarkdown( // '好的,下面是用javascript实现冒泡排序的代码:\n\n```js\nfunction bubbleSort(arr) {\n const len = arr.length;\n for (let i = 0; i < len; i++) {\n for (let j = 0; j < len - 1 - i; j++) {\n if (arr[j] > arr[j+1]) {\n // 相邻元素两两对比\n [arr[j], arr[j+1]] = [arr[j+1], arr[j]]; // 交换两个元素\n } \n }\n }\n return arr;\n}\n\n// 测试\nconst arr = [5, 4, 3, 2, 1];\nconsole.log(bubbleSort(arr)); // [1, 2, 3, 4, 5]\n```\n\n主要思路是:\n\n1. 从第一个元素开始,依次与后面的元素进行两两比较\n2. 如果顺序相反,则交换两个元素的位置\n3. 一轮比较下来,可以保证最后一个元素是最大的\n4. 下一轮继续比较到倒数第二个元素,以此类推\n5. 直到数组有序\n\n冒泡排序的时间复杂度为 O(n^2),是一种简单但不是很高效的排序算法。"' // ) // 使用AJAX发送POST请求 const xhr = new XMLHttpRequest(); xhr.open("POST", "/chat", true); xhr.setRequestHeader("Content-Type", "application/json"); xhr.onreadystatechange = function () { if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) { try { // 解析服务器响应 const response = JSON.parse(xhr.responseText); // 提取服务器回复的消息 const botMessage = response.msg; // 创建回复消息的元素,并添加到聊天框 formateMarkdown(botMessage); } catch (error) { console.error("Error parsing JSON response:", error); } } }; xhr.send(JSON.stringify({ message })); } // 绑定发送按钮的点击事件 sendButton.addEventListener("click", sendMessage); </script> <style> body { font-size: 14px; } html, body { width: 100%; height: 100%; padding: 0; margin: 0; display: flex; flex-direction: column; align-items: center; } .time-remark-wrapper { display: flex; flex-direction: column; } .mr10 { margin-right: 10px; } .time { color: rgba(180, 187, 196); font-size: 12px; margin-bottom: 5px; } .title { display: flex; justify-content: center; text-align: center; font-size: 16px; padding: 15px; } #chat-messages { padding: 30px; } #chat-container { width: 1000px; margin: 0 auto; border-width: 1px; border-style: solid; border-color: #e5e7eb; border-radius: 8px; height: calc(100% - 150px); box-sizing: content-box; position: relative; overflow: auto; } .message-input-wrapper { position: fixed; bottom: 20px; display: flex; align-items: center; max-width: 1280px; margin: 0 auto; width: 1000px; /* background-color: #fff; */ } .flex-right .time-remark-wrapper { align-items: flex-end; } .message { padding: 8px; border-radius: 8px; } textarea:focus { outline: none; } #message-input { border: 1px solid #e5e7eb; border-top-left-radius: 4px; border-bottom-left-radius: 4px; padding: 10px; flex: 1; } #message-input>textarea { flex: 1; } .user-message { background-color: rgb(210, 249, 209); text-align: right; margin-bottom: 20px; padding: 10px 15px; } .avatar { width: 32px; height: 32px; border-radius: 50%; } .flex-right { display: flex; justify-content: end; } .flex-left { display: flex; justify-content: start; } #send-button { background: #0c7a43; color: #fff; padding: 16px 15px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; cursor: pointer; } .bot-message { background-color: rgb(244, 246, 248); margin-bottom: 20px; padding: 10px 15px; } .hljs { background: #fff; border-radius: 8px; } </style> </body> </html>

实现思路:
1、因为GPT请求返回来得数据是markdown数据,主要是用marked解析markdown数据格式

marked.parse(message);

2、然后用highlight实现代码的高亮显示

https://www.jsdelivr.com/
实现chatGPT 聊天样式_第2张图片
最开始这里不晓得怎么引入, 然后用

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/highlight.js/styles/default.min.css">
<script src="https://cdn.jsdelivr.net/npm/highlight.js"></script>

提示没有require

然后下载了文档
实现chatGPT 聊天样式_第3张图片
在下载的文档中看README.md 文档
实现chatGPT 聊天样式_第4张图片
根据此链接,找到了正确的js文件和css样式文件

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