From 74315314e98cd655d3b08c2af1eca55ff5591cf7 Mon Sep 17 00:00:00 2001
From: zj <tros-code@qq.com>
Date: Wed, 5 Aug 2026 15:07:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E6=96=87=E4=BB=B6=E5=9F=9F?=
 =?UTF-8?q?=E5=90=8D=E7=9B=B8=E5=85=B3=E5=87=BD=E6=95=B0?=
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---
 src/Library/Util.php | 64 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/src/Library/Util.php b/src/Library/Util.php
index 3d74312..29275a0 100644
--- a/src/Library/Util.php
+++ b/src/Library/Util.php
@@ -25,6 +25,17 @@ final class Util
         return ApplicationContext::getContainer()->get($name);
     }
 
+    /**
+     * 获取nacos配置
+     * @param string $key 键
+     * @param mixed $default 默认值
+     * @return mixed
+     */
+    public static function getNacosConfig(string $key, $default = null)
+    {
+        return config('nacos_config.' . $key, $default);
+    }
+
     /**
      * 获取日志记录器
      */
@@ -269,4 +280,57 @@ final class Util
         }
         return false;
     }
+
+    /**
+     * 获取文件中心域名
+     * @return string
+     */
+    public static function getFileDomainFromNacos(): string
+    {
+        return self::getNacosConfig('file_domain', '');
+    }
+
+    /**
+     * 为内容中的图片路径添加文件域名
+     * @param string|array $content 内容
+     * @param bool $simple 是否简单处理
+     * @param string|null $fileDomain 文件域名
+     * @return array|string|null
+     */
+    public static function addFileDomain(array|string $content, bool $simple = false, ?string $fileDomain = null): array|string|null
+    {
+        if (empty($content)) {
+            return $content;
+        }
+
+        $fileDomain = $fileDomain ?? self::getFileDomainFromNacos() . '/';
+        // 简单处理
+        if ($simple) {
+            return is_string($content) ? $fileDomain . ltrim($content, '/') : $content;
+        }
+
+        $content = preg_replace_callback('/<img([^>]*src\s*=\s*["\'])([^"\']*)(["\'][^>]*)>/i', function ($matches) use ($fileDomain) {
+            $fullMatch = $matches[0];
+            $prefix = $matches[1];
+            $src = $matches[2];
+            $suffix = $matches[3];
+
+            $newSrc = $fileDomain . $src;
+            return '<img' . $prefix . $newSrc . $suffix . '>';
+        }, $content);
+
+        return $content;
+    }
+
+    /**
+     * 移除内容中图片的文件域名
+     */
+    public static function removeFileDomain(array|string $content, ?string $fileDomain = null): array|string
+    {
+        if (empty($content)) {
+            return $content;
+        }
+        $fileDomain = $fileDomain ?? self::getFileDomainFromNacos() . '/';
+        return str_replace($fileDomain, '', $content);
+    }
 }