|
| 1 | +<?php |
| 2 | +require_once __DIR__.'/../../../vendor/autoload.php'; |
| 3 | +// 导入对应产品模块的client |
| 4 | +use TencentCloud\Cls\V20201016\ClsClient; |
| 5 | +// 导入要请求接口对应的Request类 |
| 6 | +use TencentCloud\Cls\V20201016\Models\ChatCompletionsRequest; |
| 7 | +use TencentCloud\Cls\V20201016\Models\Message; |
| 8 | +use TencentCloud\Cls\V20201016\Models\MetadataItem; |
| 9 | + |
| 10 | +use TencentCloud\Common\Exception\TencentCloudSDKException; |
| 11 | +use TencentCloud\Common\Credential; |
| 12 | +// 导入可选配置类 |
| 13 | +use TencentCloud\Common\Profile\ClientProfile; |
| 14 | +use TencentCloud\Common\Profile\HttpProfile; |
| 15 | + |
| 16 | + |
| 17 | +function streamProcessResult($chunk) |
| 18 | +{ |
| 19 | + // 解析原始 SSE 文本块,提取 event 和 data 字段 |
| 20 | + $event = ''; |
| 21 | + $data = ''; |
| 22 | + foreach (explode("\n", trim($chunk)) as $line) { |
| 23 | + if (str_starts_with($line, 'event:')) { |
| 24 | + $event = trim(substr($line, 6)); |
| 25 | + } elseif (str_starts_with($line, 'data:')) { |
| 26 | + $data = trim(substr($line, 5)); |
| 27 | + } |
| 28 | + } |
| 29 | + |
| 30 | + // 跳过心跳等 data 为空的事件(如服务端每隔一段时间发送的 :heartbeat 注释) |
| 31 | + if (!$data) return; |
| 32 | + |
| 33 | + // 服务端通过 event: error 返回应用层错误 |
| 34 | + if ($event === 'error') { |
| 35 | + $err = json_decode($data, true); |
| 36 | + fwrite(STDERR, "\n[流式] error " . json_encode($err['Response']['Error'], JSON_UNESCAPED_UNICODE) . PHP_EOL); |
| 37 | + return; |
| 38 | + } |
| 39 | + |
| 40 | + // 实时输出内容 |
| 41 | + $parsed = json_decode($data, true); |
| 42 | + foreach (($parsed['Choices'] ?? []) as $choice) { |
| 43 | + // 实时输出思考过程(ReasoningContent) |
| 44 | + if (!empty($choice['Delta']['ReasoningContent'])) { |
| 45 | + echo $choice['Delta']['ReasoningContent']; |
| 46 | + } |
| 47 | + // 实时输出回复内容(Content) |
| 48 | + if (!empty($choice['Delta']['Content'])) { |
| 49 | + echo $choice['Delta']['Content']; |
| 50 | + } |
| 51 | + } |
| 52 | +} |
| 53 | + |
| 54 | +try { |
| 55 | + // 实例化一个证书对象,入参需要传入腾讯云账户secretId,secretKey |
| 56 | + // $cred = new Credential("【secretId】", "【secretKey】"); |
| 57 | + $cred = new Credential(getenv("TENCENTCLOUD_SECRET_ID"), |
| 58 | + getenv("TENCENTCLOUD_SECRET_KEY")); |
| 59 | + |
| 60 | + // 实例化一个http选项,可选的,没有特殊需求可以跳过 |
| 61 | + $httpProfile = new HttpProfile(); |
| 62 | + $httpProfile->setReqMethod("POST"); // post请求(默认为post请求) |
| 63 | + $httpProfile->setReqTimeout(300); // 流式接口可能耗时较长,因此将请求超时时间设置为 300 秒 |
| 64 | + // 通过SSE流式调用此接口时,请务必设置请求域名(Endpoint)为 cls.ai.tencentcloudapi.com |
| 65 | + $httpProfile->setEndpoint("cls.ai.tencentcloudapi.com"); |
| 66 | + |
| 67 | + // 实例化一个client选项,可选的,没有特殊需求可以跳过 |
| 68 | + $clientProfile = new ClientProfile(); |
| 69 | + $clientProfile->setSignMethod("TC3-HMAC-SHA256"); // 指定签名算法(默认为HmacSHA256) |
| 70 | + $clientProfile->setHttpProfile($httpProfile); |
| 71 | + |
| 72 | + // 实例化要请求产品的client对象,clientProfile是可选的 |
| 73 | + $client = new ClsClient($cred, "ap-guangzhou", $clientProfile); |
| 74 | + |
| 75 | + // 构造请求参数 |
| 76 | + $req = new ChatCompletionsRequest(); |
| 77 | + // 指定要使用的功能,例如 "text2sql" |
| 78 | + $req->Model = "text2sql"; |
| 79 | + |
| 80 | + // 设置对话消息,角色为 "user",内容为用户的提问 |
| 81 | + $message = new Message(); |
| 82 | + $message->Role = "user"; |
| 83 | + $message->Content = "状态码200, 统计日志条数"; |
| 84 | + $req->Messages = [$message]; |
| 85 | + |
| 86 | + // 设置元数据,传递日志主题地域和日志主题 ID |
| 87 | + $metaRegion = new MetadataItem(); |
| 88 | + $metaRegion->Key = "topic_region"; |
| 89 | + $metaRegion->Value = "ap-guangzhou"; |
| 90 | + |
| 91 | + $metaTopicId = new MetadataItem(); |
| 92 | + $metaTopicId->Key = "topic_id"; |
| 93 | + $metaTopicId->Value = "xxxxxxxx-xxxx"; |
| 94 | + |
| 95 | + $req->Metadata = [$metaRegion, $metaTopicId]; |
| 96 | + |
| 97 | + |
| 98 | + // 3. 流式调用 |
| 99 | + // CLS ChatCompletions 同时支持流式和非流式两种模式。 |
| 100 | + // 将 Stream 参数设置为 true,表示以流式方式获取响应。 |
| 101 | + $req->Stream = true; |
| 102 | + // 如果响应是SSE-event流,可以设置回调函数逐个处理事件流,否则一次返回所有响应内容 |
| 103 | + $client->setSseResponseCallbackFunc('streamProcessResult'); |
| 104 | + $client->ChatCompletions($req); |
| 105 | + echo PHP_EOL; |
| 106 | + echo '[流式] 完成,开始非流式调用...' . PHP_EOL; |
| 107 | + |
| 108 | + // 4. 非流式调用 |
| 109 | + // 通过 Stream=false 参数来指定非 stream 协议,一次性拿到结果。 |
| 110 | + $client->setSseResponseCallbackFunc(null); |
| 111 | + $req->Stream = false; |
| 112 | + $resp = $client->ChatCompletions($req); |
| 113 | + if (!empty($resp->Choices[0]->Message->ReasoningContent)) { |
| 114 | + echo "思考过程:" . $resp->Choices[0]->Message->ReasoningContent . PHP_EOL; |
| 115 | + } |
| 116 | + echo "[非流式] 回复内容:" . PHP_EOL . $resp->Choices[0]->Message->Content . PHP_EOL; |
| 117 | + |
| 118 | +} catch (TencentCloudSDKException $e) { |
| 119 | + echo $e; |
| 120 | +} |
0 commit comments