完成显示水印功能；

app/common/tools/Image.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace app\common\tools;
+
+use Intervention\Image\Image as ImageImage;
+use Intervention\Image\ImageManagerStatic;
+use SplFileInfo;
+use think\facade\App;
+
+class Image
+{
+    public static function addWatermark(SplFileInfo $file, $watermark_str = 'phpreturn.com'):ImageImage
+    {
+        // 检查文件是否是图片
+        if (!in_array($file->getExtension(), ['jpg', 'jpeg', 'png', 'gif'])) {
+            return false;
+        }
+
+        ImageManagerStatic::configure(['driver' => 'imagick']);
+
+        $img = ImageManagerStatic::make($file->getPathname());
+
+        $font_size = 20;
+
+        // 字体大小为宽度的 1/20
+        $font_size = $img->width() / 40;
+        $font_size = ceil($font_size);
+
+        $x = $img->width() - $font_size;
+        $y = $img->height() - $font_size;
+
+        $img->text($watermark_str, $x + $font_size * 0.05, $y + $font_size * 0.05, function ($font) use ($font_size) {
+            $font->file(App::getRootPath() . '/source/font/SourceHanSans-Normal.otf');
+            $font->size($font_size);
+            $font->color([0, 0, 0, 0.9]);
+            $font->align('right');
+            $font->valign('bottom');
+        });
+        $img->text($watermark_str, $x, $y, function ($font) use ($font_size) {
+            $font->file(App::getRootPath() . '/source/font/SourceHanSans-Normal.otf');
+            $font->size($font_size);
+            $font->color([255, 255, 255, 0.9]);
+            $font->align('right');
+            $font->valign('bottom');
+        });
+
+        return $img;
+    }
+
+    public static function handelWatermarkSave($src, $watermarked_file_save_name = null)
+    {
+        $src_file = new SplFileInfo($src);
+        $watermark_text = get_system_config('watermark_text', 'phpreturn.com');
+
+        $src_md5 = md5($src . $watermark_text);
+
+        if (!$watermarked_file_save_name) {
+            $watermarked_file_save_name = '/upload/watermark/' . $src_md5 . '.' . $src_file->getExtension();
+        }
+
+        $watermarked_file = App::getRootPath() . '/public' . $watermarked_file_save_name;
+
+        if (file_exists($watermarked_file)) {
+            return $watermarked_file_save_name;
+        }
+
+        if (!is_dir(dirname($watermarked_file))) {
+            mkdir(dirname($watermarked_file), 0777, true);
+        }
+
+        static::addWatermark($src_file, $watermark_text)->save($watermarked_file);
+
+        return $watermarked_file_save_name;
+    }
+}

app/common/tools/PostShow.php

@@ -8,7 +8,6 @@ class PostShow
 {
     public static function handleCopyright($content)
     {
-
         // 防采集版权声明,被采集了会在其他网站显示
         // 可以被选中复制，可以被采集，在网页中不会显示，但是在别的网站中可以显示
         $content_copyright = '<blockquote class="post-content-inner-copyright"> 版权声明：' . get_system_config('post_copyright') . '</blockquote>';
@@ -27,13 +26,10 @@ class PostShow
         $p_list = $dom_content->children('p');
 
         foreach ($p_list as $index_p => $dom_p) {
-
             if ($index_p != 0 && $index_p % 8 == 0) {
-
                 // $dom_copyright->clone()->children()->insertAfter($dom_p);
             }
             if ($index_p != 0 && $index_p % 6 == 0) {
-
                 $dom_copyright_hide->clone()->children()->insertAfter($dom_p);
             }
         }
@@ -42,4 +38,27 @@ class PostShow
 
         return $content;
     }
+
+    public static function handleImage($content)
+    {
+        $dom_content = phpQuery::newDocumentHTML($content);
+
+        $img_list = $dom_content->find('img');
+
+        foreach ($img_list as $index_img => $dom_img) {
+            $dom_img = pq($dom_img);
+
+            $src = $dom_img->attr('src');
+
+            $src = get_source_link($src);
+
+            $watermarked_file_save_name = Image::handelWatermarkSave($src);
+
+            $dom_img->attr('src', $watermarked_file_save_name);
+        }
+
+        $content = $dom_content->html();
+
+        return $content;
+    }
 }

app/model/Nav.php

@@ -5,36 +5,45 @@ declare(strict_types=1);
 namespace app\model;
 
 use app\common\model\Base;
-
+use app\common\tools\Image;
 
 /**
  * @mixin think\Model
  */
 class Nav extends Base
 {
-
     public static $autoClearCache = [
         [
             'type' => 'key',
             'name' => 'type_list',
-            'field' => 'type'
+            'field' => 'type',
         ],
         [
             'type' => 'tag',
-            'name' => 'page_cache'
+            'name' => 'page_cache',
         ],
     ];
 
     public static $statusName = [
         0 => '不显示',
-        1 => '显示'
+        1 => '显示',
     ];
+
     //
     public function getImgAttr($value)
     {
         return get_source_link($value);
     }
 
+    public function getImgShowAttr()
+    {
+        $src = $this->getData('img');
+
+        $watermarked_file_save_name = Image::handelWatermarkSave($src);
+
+        return $watermarked_file_save_name;
+    }
+
     public function getStatusNameAttr()
     {
         return self::$statusName[$this->getData('status')];

app/model/Post.php

@@ -5,15 +5,14 @@ declare(strict_types=1);
 namespace app\model;
 
 use app\common\model\Base;
+use app\common\tools\Image;
 use app\common\tools\PostBlock;
 use app\common\tools\PostShow;
 use League\HTMLToMarkdown\Converter\TableConverter;
 use League\HTMLToMarkdown\HtmlConverter;
 use think\facade\Cache;
 use think\facade\Request;
-use think\Model;
 use think\model\concern\SoftDelete;
-use think\Paginator;
 
 /**
  * @mixin think\Model
@@ -23,7 +22,6 @@ class Post extends Base
     use SoftDelete;
     //
 
-
     public const CACHE_KEY_HITS = 'cache_hits_';
 
     public static $autoClearCache = [
@@ -32,7 +30,7 @@ class Post extends Base
 
     public static $stausNameList = [
         0 => '不发布',
-        1 => '发布'
+        1 => '发布',
     ];
 
     protected $defaultSoftDelete = 0;
@@ -52,7 +50,6 @@ class Post extends Base
         return $this->hasMany(PostComment::class, 'post_id');
     }
 
-
     public function getCommentCountAttr()
     {
         return PostComment::getPostCommentsCount($this->getData('id'));
@@ -62,16 +59,18 @@ class Post extends Base
     {
         return strtotime($value);
     }
+
     public function getPublishTimeTextAttr()
     {
-
         $value = $this->getData('publish_time');
+
         return date('Y-m-d', $value);
     }
+
     public function getPublishTimeDatetimeAttr()
     {
-
         $value = $this->getData('publish_time');
+
         return date('Y-m-d H:i:s', $value);
     }
 
@@ -97,8 +96,7 @@ class Post extends Base
 
     public function getDescAttr($value)
     {
-        if(empty($value)) {
-
+        if (empty($value)) {
         }
 
         return $value;
@@ -157,11 +155,9 @@ class Post extends Base
     {
         $content_html = $this->getAttr('content_html');
 
-
         $content_html .= PostBlock::copyright($this);
 
-
-        $converter = new HtmlConverter(array('strip_tags' => true));
+        $converter = new HtmlConverter(['strip_tags' => true]);
 
         $converter->getEnvironment()->addConverter(new TableConverter());
 
@@ -172,9 +168,10 @@ class Post extends Base
 
     public function getContentHtmlShowAttr()
     {
-
         $content = $this->getAttr('content_html');
 
+        $content = PostShow::handleImage($content);
+
         return PostShow::handleCopyright($content);
     }
 
@@ -187,6 +184,15 @@ class Post extends Base
         return get_source_link($value);
     }
 
+    public function getPosterShowAttr()
+    {
+        $poster = $this->getAttr('poster');
+
+        $watermarked_file_save_name = Image::handelWatermarkSave($poster);
+
+        return $watermarked_file_save_name;
+    }
+
     public function getReadUrlAttr()
     {
         $path = '/index/a' . $this->getData('uid') . '.html';
@@ -211,7 +217,7 @@ class Post extends Base
 
         $list_post_category_id = $this->getAttr('categorys')->column('category_id');
 
-        $list_start_post = Post::where('category_id', 'in', $list_post_category_id)->where('type', 'category-start')->cacheAlways(600)->where('status', 1)->select();
+        $list_start_post = self::where('category_id', 'in', $list_post_category_id)->where('type', 'category-start')->cacheAlways(600)->where('status', 1)->select();
 
         foreach ($list_start_post as $k_start_post => $v_start_post) {
             $start_content .= $v_start_post->content_html;
@@ -224,20 +230,21 @@ class Post extends Base
     {
         $end_content = '';
         $list_post_category_id = $this->getAttr('categorys')->column('category_id');
-        $list_end_post = Post::where('category_id', 'in', $list_post_category_id)->where('type', 'category-end')->cacheAlways(600)->where('status', 1)->select();
+        $list_end_post = self::where('category_id', 'in', $list_post_category_id)->where('type', 'category-end')->cacheAlways(600)->where('status', 1)->select();
         foreach ($list_end_post as $k_end_post => $v_end_post) {
-            $end_content.= $v_end_post->content_html;
+            $end_content .= $v_end_post->content_html;
         }
+
         return $end_content;
     }
 
     public function getHitsTitleAttr()
     {
-        $cache_key = static::CACHE_KEY_HITS.$this->getAttr('id');
+        $cache_key = static::CACHE_KEY_HITS . $this->getAttr('id');
 
         $value = Cache::get($cache_key);
 
-        if(!is_null($value)) {
+        if (!is_null($value)) {
             return $value;
         }
 
@@ -250,7 +257,7 @@ class Post extends Base
 
     public function setHitsAttr($value)
     {
-        $cache_key = static::CACHE_KEY_HITS.$this->getAttr('id');
+        $cache_key = static::CACHE_KEY_HITS . $this->getAttr('id');
 
         $this->getAttr('hits_title');
         Cache::inc($cache_key);