ThinkPHP 6 + UniApp环境下接入DeepSeek到微信生态的完整解决方案

以下是在 后端ThinkPHP 6 + 前端UniApp环境下接入DeepSeek到微信生态的完整解决方案，包含详细步骤和代码示例：

一、准备工作

1. 微信生态配置

小程序

- 设置服务器域名：登录微信公众平台 -> 开发管理 -> 服务器域名

request合法域名：https://yourdomain.com

socket合法域名：wss://yourdomain.com

公众号

- 服务器配置： URL：
https://yourdomain.com/wechat

Token：自定义令牌 EncodingAESKey：随机生成

2. ThinkPHP 6项目初始化

composer create-project topthink/think tp6_deepseek 
cd tp6_deepseek 
composer require topthink/think-multi-app # 多应用支持

二、后端开发（ThinkPHP 6）

1. 目录结构

app
├── deepseek
│ ├── controller
│ │ └── Index.php # DeepSeek接口控制器
│ └── service
│ └── DeepseekService.php # 服务层
└── wechat
└── controller
└── Index.php # 公众号消息处理

2. 核心代码

(1) DeepSeek服务类 //
app/deepseek/service/DeepseekService.php

 'deepseek-chat',
            'messages' => [['role' => 'user', 'content' => $prompt]],
            'max_tokens' => 1000
            ];

            $ch = curl_init();
            curl_setopt_array($ch, [
            CURLOPT_URL => $this->apiUrl,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => [
            'Content-Type: application/json',
            'Authorization: Bearer ' . $this->apiKey
            ],
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => json_encode($data)
            ]);

            $response = curl_exec($ch);
            curl_close($ch);

            return json_decode($response, true);
      }
}

(2) 控制器实现 //
app/deepseek/controller/Index.php

chat($input['prompt'] ?? '');

        return json([
        'code' => isset($result['choices']) ? 200 : 500,
        'data' => $result['choices'][0]['message']['content'] ?? '服务繁忙'
        ]);
    }
}

(3) 公众号消息处理 //
app/wechat/controller/Index.php

request->get('echostr')) {
            return $this->request->get('echostr');
            }

            // 处理消息
            $xml = $this->request->getContent();
            $data = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);

            $service = new DeepseekService();
            $response = $service->chat((string)$data->Content);

            return $this->response->xml([
            'ToUserName' => $data->FromUserName,
            'FromUserName' => $data->ToUserName,
            'CreateTime' => time(),
            'MsgType' => 'text',
            'Content' => $response['choices'][0]['message']['content'] ?? '请稍后再试'
            ]);
      }
}

3. 路由配置

// config/route.php
use think\facade\Route;

// DeepSeek接口
Route::post('deepseek/chat', 'deepseek.Index/chat');

// 公众号消息入口
Route::any('wechat', 'wechat.Index/index');

三、前端开发（UniApp）

1. 页面实现

<script>
export default {
        data() {
            return {
                inputMsg: '',
                messages: []
            }
        },
        methods: {
            async send() {
                  if (!this.inputMsg.trim()) return;

                  this.messages.push({ role: 'user', content: this.inputMsg });
                  const msg = this.inputMsg;
                  this.inputMsg = '';

                  try {
                    const { code, data } = await uni.request({
                      url: 'https://yourdomain.com/deepseek/chat',
                      method: 'POST',
                      header: { 'Content-Type': 'application/json' },
                      data: { prompt: msg }
                    });

                    if (code === 200) {
                      this.messages.push({ role: 'assistant', content: data });
                    } else {
                      uni.showToast({ title: '服务异常', icon: 'none' });
                    }
                  } catch (e) {
                    uni.showToast({ title: '网络错误', icon: 'none'})
                  }
         }        
}

四、部署与调试建议

1. Nginx配置建议

server {
    listen 80;
    server_name yourdomain.com;

    location / {
    root /path/to/tp6/public;
    index index.php index.html;

    if (!-e $request_filename) {
    rewrite ^/(.*)$ /index.php/$1 last;
    }
    }

    location ~ \.php$ {
    fastcgi_pass 127.0.0.1:9000;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }
}

2. 常见调试技巧

# 实时查看DeepSeek请求日志
tail -f /var/log/nginx/deepseek_access.log | grep "POST /deepseek/chat"

# ThinkPHP调试模式
# 修改.env文件
APP_DEBUG = true

# 微信接口调试工具
curl -X POST "https://yourdomain.com/wechat" \
-d '<xml>...</xml>' \
-H "Content-Type: text/xml"

3. 性能优化建议

// 在DeepseekService中使用连接池
$pool = new Swoole\Coroutine\Channel(10);
for ($i = 0; $i < 10 i pool->push(new Swoole\Coroutine\Http\Client('api.deepseek.com', 443, true));
}

// 请求时复用连接
$client = $pool->pop();
$client->post('/v1/chat/completions', json_encode($data));
$response = $client->body;
$pool->push($client);

以上为完整实现方案，可根据实际业务需求调整参数和扩展功能模块。