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  <li>TestChatCompletion</li>
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        <p class="comment">
            <h3>File</h3>
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        <p class="comment">
            <code>src/modules/lesson/page-mine/class-chat-completion.ts</code>
        </p>


            <section>
                <h3 id="constructor">Constructor</h3>
                    <table class="table table-sm table-bordered">
                        <tbody>
                            <tr>
                                <td class="col-md-4">
                                    <code>constructor(messageList: TestChatMessage[])</code>
                                </td>
                            </tr>
            
                        </tbody>
                    </table>
            </section>

            <section>
                <h3 id="methods">Methods</h3>
                    <table class="table table-sm table-bordered">
                        <tbody>
                            <tr>
                                <td class="col-md-4">
                                    <b><span class="modifier"></span> createCompletionByStream</b>
                                </td>
                            </tr>
            
                            <tr>
                                <td class="col-md-4">
                                        <span class="modifier-icon method fa fa-play ">
                                            <span class="fa fa-"></span>
                                        </span>
                                    <code>createCompletionByStream()</code>
                                </td>
                            </tr>
            
                            <tr>
                                <td class="col-md-4">
                                        <div class="io-description">
                                            <b>Returns: </b>    <code>void</code>
            
                                        </div>
                                </td>
                            </tr>
                        </tbody>
                    </table>
            </section>


            <section>
                <h3 id="inputs">Properties</h3>
                    <table class="table table-sm table-bordered">
                        <tbody>
                            <tr>
                                <td class="col-md-4">
                                    <b> messageList</b>
                                </td>
                            </tr>
                            <tr>
                                <td class="col-md-4">
                                    <code>messageList:     <code>TestChatMessage[]</code>
            </bcode>
                                </td>
                            </tr>
                        </tbody>
                    </table>
            </section>
    </div>
    <div class="tab-pane fade tab-source-code" id="source">
        <pre><code class="hljs javascript">export interface TestChatMessage {
    role: string
    content: string
}
// 导出类TestChatCompletion，用于创建聊天完成
export class TestChatCompletion {
    // 定义一个消息列表
    messageList: Array&lt;TestChatMessage&gt;
    // 构造函数，传入消息列表
    constructor(messageList: Array&lt;TestChatMessage&gt;) {
        this.messageList &#x3D; messageList
    }
    // 异步创建完成，使用流模式
    async createCompletionByStream() {

        // 从本地存储中获取token
        let token &#x3D; localStorage.getItem(&quot;token&quot;);


        // 定义请求体
        let bodyJson &#x3D; {
            &quot;token&quot;: &#x60;Bearer ${token}&#x60;,
            &quot;messages&quot;: this.messageList,
            &quot;model&quot;: &quot;gpt-3.5-turbo&quot;,
            &quot;temperature&quot;: 0.5,
            &quot;presence_penalty&quot;: 0,
            &quot;frequency_penalty&quot;: 0,
            &quot;top_p&quot;: 1,
            &quot;stream&quot;: true
        };

        // 发起请求

        let response &#x3D; await fetch(&quot;https://test.fmode.cn/api/apig/aigc/gpt/v1/chat/completions&quot;, {
            &quot;headers&quot;: {
                &quot;accept&quot;: &quot;text/event-stream&quot;,
                &quot;sec-fetch-dest&quot;: &quot;empty&quot;,
                &quot;sec-fetch-mode&quot;: &quot;cors&quot;,
                &quot;sec-fetch-site&quot;: &quot;same-site&quot;
            },
            &quot;referrer&quot;: &quot;https://ai.fmode.cn/&quot;,
            &quot;referrerPolicy&quot;: &quot;strict-origin-when-cross-origin&quot;,
            &quot;body&quot;: JSON.stringify(bodyJson),
            &quot;method&quot;: &quot;POST&quot;,
            &quot;mode&quot;: &quot;cors&quot;,
            &quot;credentials&quot;: &quot;omit&quot;
        });

        // 定义消息回复
        let messageAiReply &#x3D; &quot;&quot;
        // 定义消息索引
        let messageIndex &#x3D; this.messageList.length
        // 获取响应体读取器
        let reader &#x3D; response.body?.getReader();
        if (!reader) {
            throw new Error(&quot;Failed to get the response reader.&quot;);
        }

        // 定义文本解码器
        let decoder &#x3D; new TextDecoder();
        let buffer &#x3D; &quot;&quot;;

        // 循环读取响应体
        while (true) {
            let { done, value } &#x3D; await reader.read();
            if (done) {
                break;
            }

            // 将响应体添加到缓冲区
            buffer +&#x3D; decoder.decode(value);

            // Split the buffer by newlines to get individual messages
            // 将缓冲区按换行符分割，获取每条消息
            let messages &#x3D; buffer.split(&quot;\n&quot;);

            // Process each message
            // 循环处理每条消息
            for (let i &#x3D; 0; i &lt; messages.length - 1; i++) {
                let message &#x3D; messages[i];

                // Process the message as needed
                // 处理消息，需要的操作
                /**
                 * data: {&quot;id&quot;:&quot;chatcmpl-y2PLKqPDnwAFJIj2L5aqdH5TWK9Yv&quot;,&quot;object&quot;:&quot;chat.completion.chunk&quot;,&quot;created&quot;:1696770162,&quot;model&quot;:&quot;gpt-3.5-turbo-0613&quot;,&quot;choices&quot;:[{&quot;index&quot;:0,&quot;delta&quot;:{&quot;role&quot;:&quot;assistant&quot;,&quot;content&quot;:&quot;&quot;},&quot;finish_reason&quot;:null}]}
                 * data: {&quot;id&quot;:&quot;chatcmpl-y2PLKqPDnwAFJIj2L5aqdH5TWK9Yv&quot;,&quot;object&quot;:&quot;chat.completion.chunk&quot;,&quot;created&quot;:1696770162,&quot;model&quot;:&quot;gpt-3.5-turbo-0613&quot;,&quot;choices&quot;:[{&quot;index&quot;:0,&quot;delta&quot;:{},&quot;finish_reason&quot;:&quot;stop&quot;}]}
                 * data: [DONE]
                 */
                let dataText &#x3D; message.replace(&quot;data:\ &quot;, &quot;&quot;)
                if (dataText.startsWith(&quot;{&quot;)) {
                    try {
                        let dataJson &#x3D; JSON.parse(dataText)
                        console.log(dataJson)
                        messageAiReply +&#x3D; dataJson?.choices?.[0]?.delta?.content || &quot;&quot;
                        this.messageList[messageIndex] &#x3D; {
                            role: &quot;assistant&quot;,
                            content: messageAiReply
                        }
                    } catch (err) { }
                }
                if (dataText.startsWith(&quot;[&quot;)) {
                    console.log(message)
                    console.log(&quot;完成&quot;)
                    this.messageList[messageIndex] &#x3D; {
                        role: &quot;assistant&quot;,
                        content: messageAiReply
                    }
                    messageAiReply &#x3D; &quot;&quot;
                }
                // Parse the message as JSON
                // 解析消息，获取每条消息的JSON
                // let data &#x3D; JSON.parse(message);

                // Clear the processed message from the buffer
                // 清理已处理的响应消息
                buffer &#x3D; buffer.slice(message.length + 1);
            }
        }
    }
}</code></pre>
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