From 3f002ac57b69e41115d4ddbfc05d3d686ab053db Mon Sep 17 00:00:00 2001
From: ASUS <515617283@qq.com>
Date: Fri, 5 Dec 2025 16:26:50 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A8=E6=83=85=E5=A4=84=E7=90=86?=
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---
 app/chat/controller/MessageController.php |  1 +
 app/functions.php                         | 48 +++++++++++++++++++++++
 extend/chat/model/Base.php                |  4 +-
 3 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/app/chat/controller/MessageController.php b/app/chat/controller/MessageController.php
index 8be767e..9a263e4 100644
--- a/app/chat/controller/MessageController.php
+++ b/app/chat/controller/MessageController.php
@@ -98,6 +98,7 @@ class MessageController extends ApiController
             }else {
                 $v['is_shop'] = 2; // 不是商家
             }
+            $v['content'] = decodeEmojiFromDb($v['content']);
         }
 
         $mute = Db::name('chat_group_mute')->where(['group_id' => $group_id, 'user_id' => 0])->find();
diff --git a/app/functions.php b/app/functions.php
index da789d1..40b627e 100644
--- a/app/functions.php
+++ b/app/functions.php
@@ -157,6 +157,54 @@ function param_sort($chatList, $param)
     return $chatList;
 }
 
+/**
+ * 1. 判断字符串是否包含Emoji表情（精准正则）
+ * @param string $str 待检测字符串
+ * @return bool
+ */
+function hasEmoji($str) {
+    if (empty($str)) return false;
+    $emojiRegex = '/[\x{1F600}-\x{1F64F}\x{1F300}-\x{1F5FF}\x{1F680}-\x{1F6FF}\x{1F1E0}-\x{1F1FF}\x{2600}-\x{26FF}\x{2700}-\x{27BF}\x{1F900}-\x{1F9FF}]/u';
+    return preg_match($emojiRegex, $str) > 0;
+}
+
+/**
+ * 2. 存储前处理：含Emoji则Base64编码，否则原样返回
+ * @param string $str 待入库字符串
+ * @return string 处理后的值（Base64编码/原字符串）
+ */
+function encodeEmojiForDb($str) {
+    // 空值直接返回
+    if (empty($str)) return $str;
+    // 含表情则Base64编码，否则返回原字符串
+    return hasEmoji($str) ? base64_encode($str) : $str;
+}
+
+/**
+ * 3. 提取后处理：识别Base64编码的Emoji内容，解码还原
+ * @param string $str 从数据库取出的字符串
+ * @return string 还原后的值（解码后/原字符串）
+ */
+function decodeEmojiFromDb($str) {
+    if (empty($str)) return $str;
+
+    // 步骤1：判断是否为有效Base64（strict模式验证）
+    $decoded = base64_decode($str, true);
+    if ($decoded === false) {
+        // 不是有效Base64，返回原字符串
+        return $str;
+    }
+
+    // 步骤2：解码后验证是否含Emoji（避免普通Base64字符串误解码）
+    if (hasEmoji($decoded)) {
+        // 是含表情的Base64，返回解码结果
+        return $decoded;
+    }
+
+    // 是有效Base64但不含表情，返回原字符串（避免误解码普通Base64内容）
+    return $str;
+}
+
 
 
 
diff --git a/extend/chat/model/Base.php b/extend/chat/model/Base.php
index 875128a..3f48bf7 100644
--- a/extend/chat/model/Base.php
+++ b/extend/chat/model/Base.php
@@ -209,6 +209,7 @@ namespace extend\chat\model;
          }
          $time = d();
          $user = Db::name('chat_user')->where(['user_id' => self::$user_info['uid']])->find();
+         $insert_content = encodeEmojiForDb($message['content']);
          // 通知数据
          $notice_data = [
              'from_id' => self::$user_info['uid'],
@@ -218,7 +219,7 @@ namespace extend\chat\model;
              'chat_coupon_id' => !empty($message['chat_coupon_id'])?$message['chat_coupon_id']:null,
              'chat_type' => $message['chat_type'],
              'msg_type' => $message['msg_type'],
-             'content' => !empty($message['content'])?$message['content']:null,
+             'content' => !empty($insert_content)?$insert_content:null,
              'image_url' => !empty($message['image_url'])?$message['image_url']:null,
              'order_id' => !empty($message['order_id'])?$message['order_id']:null,
              'coupon' => !empty($message['coupon'])?json_encode($message['coupon']):null,
@@ -226,6 +227,7 @@ namespace extend\chat\model;
              'session_id' => $session_id,
          ];
          $res = Db::name('chat_message')->insert($notice_data);
+         $notice_data['content'] = $message['content'];
          $notice_data['operate_type'] = $message['operate_type'];
          if(!$res) {
              // 插入失败