From 774dc7263535fce43d532b991932ffa11ee9ee8d Mon Sep 17 00:00:00 2001
From: chengxl <chengxl@example.com>
Date: Thu, 27 Nov 2025 10:29:11 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8E=A5=E5=8F=A3=E8=B0=83=E6=95=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 application/common/OpenAi.php | 50 ++++++++++++++++++++++++++++++-----
 1 file changed, 44 insertions(+), 6 deletions(-)

diff --git a/application/common/OpenAi.php b/application/common/OpenAi.php
index 258ac87..bd29020 100644
--- a/application/common/OpenAi.php
+++ b/application/common/OpenAi.php
@@ -445,16 +445,21 @@ class OpenAi
         $model = empty($aParam['model']) ? 'gpt-4.1' : $aParam['model'];
 
         //接口地址
-        $sUrl = $this->sUrl;
+        $sUrl = empty($aParam['url']) ? $this->sUrl : $aParam['url'];
 
         // 降低随机性（0-1,0为最确定）
-        $iTemperature = empty($aParam['temperature']) ? '0.1' : $aParam['temperature'];
-
+        $iTemperature = empty($aParam['temperature']) ? 0 : $aParam['temperature'];
+        $iTop = empty($aParam['top_p']) ? 0.9 : $aParam['top_p'];
+        $sApiKey = empty($aParam['api_key']) ? '' : $aParam['api_key'];
         //组装数据
         $data = [
             'model' => $model,
             'messages' => $aMessage,
             'temperature' => $iTemperature,
+            "max_tokens" => 1500, // 足够容纳结构化结论，避免截断
+            // "top_p" => $iTop, // 控制多样性，1.0 表示不限制
+            // "frequency_penalty" => 0.0, // 避免重复内容
+            // "presence_penalty" => 0.0
         ];
         $this->curl = curl_init();
        
@@ -463,7 +468,7 @@ class OpenAi
          // 设置头信息
         curl_setopt($this->curl, CURLOPT_HTTPHEADER,  [
                 'Content-Type: application/json',
-                'Authorization: Bearer ' . $this->sApiKey
+                'Authorization: Bearer ' . $sApiKey
         ]);
         curl_setopt($this->curl, CURLOPT_PROXY,$this->proxy);
         curl_setopt($this->curl, CURLOPT_SSL_VERIFYPEER,true);
@@ -522,6 +527,7 @@ class OpenAi
         $sUrl = empty($aParam['url']) ? $this->sUrl : $aParam['url'];
         $iTemperature = empty($aParam['temperature']) ? '0.2' : $aParam['temperature'];
         $iTop = empty($aParam['top_p']) ? '0.9' : $aParam['top_p'];
+        $sApiKey = empty($aParam['api_key']) ? '' : $aParam['api_key'];
         // 组装数据 - 增加流式传输必要参数
         $data = [
             'model' => $model,
@@ -539,7 +545,7 @@ class OpenAi
         curl_setopt($this->curl, CURLOPT_URL, $sUrl);
         curl_setopt($this->curl, CURLOPT_HTTPHEADER, [
             'Content-Type: application/json',
-            'Authorization: Bearer ' . $this->sApiKey,
+            'Authorization: Bearer ' . $sApiKey,
             'Accept: text/event-stream',
             'Cache-Control: no-cache',
             'Connection: keep-alive', // 保持长连接
@@ -879,6 +885,8 @@ class OpenAi
         if(empty($sSysMessagePrompt)){
             return [];
         }
+        // 解析JSON
+        $sSysMessagePrompt = $this->fixEncoding($sSysMessagePrompt);
         $aQuestion = empty($aQuestion[$sQuestionLevel]) ? [] : $aQuestion[$sQuestionLevel];
         if(empty($aQuestion)){
             return [];
@@ -892,7 +900,10 @@ class OpenAi
             }
             //系统角色
             $sSysMessageInfo = empty($aScopeReturn[$key]) ? '' : json_encode($aScopeReturn[$key],JSON_UNESCAPED_UNICODE);
+            // 解析JSON
+            $sSysMessageInfo = $this->fixEncoding($sSysMessageInfo);
             $sUserPrompt = str_replace(array_keys($aSearch), array_values($aSearch), $value);
+            $sUserPrompt = $this->fixEncoding($sUserPrompt);
             $aMessage[] = [
                 ['role' => 'system', 'content' => $sSysMessagePrompt.$sSysMessageInfo], 
                 ['role' => 'user', 'content' => $sUserPrompt],
@@ -1025,6 +1036,8 @@ class OpenAi
         if(empty($sSysMessagePrompt)){
             return [];
         }
+        // 解析JSON
+        $sSysMessagePrompt = $this->fixEncoding($sSysMessagePrompt);
         $aQuestion = empty($aQuestion[$sQuestionLevel]) ? [] : $aQuestion[$sQuestionLevel];
         if(empty($aQuestion)){
             return [];
@@ -1039,7 +1052,7 @@ class OpenAi
         if(empty($sSysMessageInfo)){
             return [];
         }
-
+        $sSysMessageInfo = $this->fixEncoding($sSysMessageInfo);
         //处理数据
         $aContent = empty($aSearch['content']) ? '' : $aSearch['content'];
         if(empty($aContent)){
@@ -1048,6 +1061,7 @@ class OpenAi
         foreach ($aContent as $key => $value) {
             $aSearch['content'] = $value;
             $sUserPrompt = str_replace(array_keys($aSearch), array_values($aSearch), $aQuestion[$sQuestionFields]);
+            $sUserPrompt = $this->fixEncoding($sUserPrompt);
             $aMessage[] = [
                 ['role' => 'system', 'content' => $sSysMessagePrompt.$sSysMessageInfo], 
                 ['role' => 'user', 'content' => $sUserPrompt],
@@ -1055,6 +1069,30 @@ class OpenAi
         }
         return $aMessage;
     }
+
+    private function fixEncoding($content) {
+        // 1. 检查是否为UTF-8，不是则尝试多种常见编码转换
+        if (!mb_check_encoding($content, 'UTF-8')) {
+            // 优先尝试西方编码（因"10.1016/j"是DOI格式，常见于英文文献）
+            $encodings = ['Windows-1252', 'ISO-8859-1', 'GBK', 'GB2312'];
+            foreach ($encodings as $encoding) {
+                $converted = mb_convert_encoding($content, 'UTF-8', $encoding);
+                if (mb_check_encoding($converted, 'UTF-8')) {
+                    $content = $converted;
+                    break;
+                }
+            }
+        }
+        
+        // 2. 过滤残留的乱码字符（保留字母、数字、空格及DOI相关符号）
+        // 允许的字符：a-z、A-Z、0-9、空格、.、:、/、-、_、(、)、,
+        $content = preg_replace('/[^\p{L}\p{N}\s\.\:\/\-\_\(\),]/u', '', $content);
+        
+        // 3. 去除首尾多余空格
+        $content = trim($content);
+        
+        return $content;
+    }
     /**
      * 微信公众号-生成公微内容(CURL)
      */