{"id":7677,"date":"2023-12-07T17:45:30","date_gmt":"2023-12-07T09:45:30","guid":{"rendered":"https:\/\/wpeyes.com\/wordpress\/?p=7677"},"modified":"2023-12-07T17:47:14","modified_gmt":"2023-12-07T09:47:14","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-wordpress-%e4%b8%ad%e5%af%b9%e5%9b%be%e5%83%8f%e8%bf%9b%e8%a1%8c%e7%81%b0%e5%ba%a6%e5%8c%96","status":"publish","type":"post","link":"https:\/\/wpeyes.com\/wordpress\/archives\/7677","title":{"rendered":"\u5982\u4f55\u5728 WordPress \u4e2d\u5bf9\u56fe\u50cf\u8fdb\u884c\u7070\u5ea6\u5316"},"content":{"rendered":"\n<p>\u60a8\u662f\u5426\u60f3\u77e5\u9053\u662f\u5426\u6709\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u4e0a\u4f20\u56fe\u50cf\u65f6\u81ea\u52a8\u5728 WordPress \u4e2d\u5bf9\u56fe\u50cf\u8fdb\u884c\u7070\u5ea6\u5316\uff1f<\/p>\n\n\n\n<p>\u901a\u5e38\uff0c\u60a8\u9700\u8981\u4e00\u4e2a\u7167\u7247\u7f16\u8f91\u5de5\u5177\u6765\u5c06\u56fe\u50cf\u66f4\u6539\u4e3a\u7070\u5ea6\u3002\u4f46\u662f\uff0c\u8fd9\u53ef\u80fd\u975e\u5e38\u8017\u65f6\uff0c\u56e0\u4e3a\u60a8\u9700\u8981\u5728\u5c06\u6bcf\u4e2a\u56fe\u50cf\u4e0a\u4f20\u5230\u60a8\u7684\u7f51\u7ad9\u4e4b\u524d\u5bf9\u5176\u8fdb\u884c\u7f16\u8f91\u3002<\/p>\n\n\n\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5728\u4e0a\u4f20\u5230\u60a8\u7684\u7f51\u7ad9\u65f6\u5728 WordPress \u4e2d\u5bf9\u56fe\u50cf\u8fdb\u884c\u7070\u5ea6\u5316\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2021\/11\/greyscale-images-in-wordpress.png\" alt=\"WordPress \u4e2d\u7684\u7070\u5ea6\u56fe\u50cf\" class=\"wp-image-104763\" title=\"WordPress \u4e2d\u7684\u7070\u5ea6\u56fe\u50cf\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4ec0\u4e48\u65f6\u5019\u5e94\u8be5\u5728 WordPress \u4e2d\u4f7f\u7528\u7070\u5ea6\u56fe\u50cf\uff1f<\/h4>\n\n\n\n<p>\u7070\u5ea6\u56fe\u50cf\u4ec5\u5305\u542b\u6709\u5173\u56fe\u7247\u4e2d\u5149\u91cf\u7684\u4fe1\u606f\u3002<a href=\"https:\/\/www.wpbeginner.com\/wp-tutorials\/how-to-fix-image-color-and-saturation-loss-in-wordpress\/\">\u56fe\u50cf\u989c\u8272<\/a>\u663e\u793a\u4e0d\u540c\u6df1\u6d45\u7684\u7070\u8272\uff0c\u5728\u9ed1\u8272\u548c\u767d\u8272\u4e4b\u95f4\u53d8\u5316\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.wpbeginner.com\/guides\/\">\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u7070\u5ea6\u56fe\u50cf\u53ef\u80fd\u5bf9\u60a8\u7684WordPress \u7f51\u7ad9<\/a>\u6709\u76ca\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u63d0\u9ad8\u56fe\u50cf\u4e2d\u663e\u793a\u7684\u5bf9\u8c61\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n\n\n\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u7070\u5ea6\u56fe\u50cf\u7531\u4e8e\u5c3a\u5bf8\u5c0f\u800c\u5e38\u7528\u4e8e\u56fe\u50cf\u5904\u7406\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u5728\u66f4\u77ed\u7684\u65f6\u95f4\u5185\u8fd0\u884c\u590d\u6742\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u5728\u4e0a\u4f20\u56fe\u50cf\u65f6\u5728 WordPress \u4e2d\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5728 WordPress \u4e2d\u4e0a\u4f20\u7070\u5ea6\u56fe\u50cf<\/h4>\n\n\n\n<p>\u5f53\u8c08\u5230\u5728 WordPress \u4e2d\u6dfb\u52a0\u56fe\u50cf\u65f6\uff0c\u60a8\u5fc5\u987b\u5728\u4e0a\u4f20\u4e4b\u524d\u4f7f\u7528Photoshop \u7b49<a href=\"https:\/\/www.wpbeginner.com\/showcase\/tools-to-create-better-images-for-your-blog-posts\/\">\u7167\u7247\u7f16\u8f91\u8f6f\u4ef6<\/a>\u5bf9\u5176\u8fdb\u884c\u7f16\u8f91\uff0c\u5e76\u5c06\u5f69\u8272\u56fe\u7247\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u7247\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u6709\u6570\u767e\u6216\u6570\u5343\u5f20\u56fe\u50cf\u8981\u4e0a\u4f20\uff0c\u90a3\u4e48\u624b\u52a8\u7f16\u8f91\u6bcf\u5f20\u56fe\u7247\u53ef\u80fd\u4f1a\u82b1\u8d39\u5927\u91cf\u65f6\u95f4\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\uff0c\u60a8\u53ef\u4ee5\u5728\u4e0a\u4f20\u65f6\u81ea\u52a8\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf\u3002\u9996\u5148\uff0c\u60a8\u6240\u8981\u505a\u7684\u5c31\u662f\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230\u4e3b\u9898\u7684<a href=\"https:\/\/www.wpbeginner.com\/glossary\/functions-php\/\">functions.php \u6587\u4ef6<\/a>\u4e2d\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1234567891011121314151617 \u53f71819202122232425262728293031323334<\/td><td><code>add_filter(<\/code><code>'wp_generate_attachment_metadata'<\/code><code>,<\/code><code>'rb_bw_filter'<\/code><code>);<\/code><code>&nbsp;&nbsp;&nbsp;<\/code><code>function<\/code><code>rb_bw_filter(<\/code><code>$meta<\/code><code>) {<\/code><code>&nbsp;&nbsp;&nbsp;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$path<\/code><code>= wp_upload_dir(); <\/code><code>\/\/ get upload directory<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$file<\/code><code>= <\/code><code>$path<\/code><code>[<\/code><code>'basedir'<\/code><code>].<\/code><code>'\/'<\/code><code>.<\/code><code>$meta<\/code><code>[<\/code><code>'file'<\/code><code>]; <\/code><code>\/\/ Get full size image<\/code><code>&nbsp;&nbsp;&nbsp;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$files<\/code><code>[] = <\/code><code>$file<\/code><code>; <\/code><code>\/\/ Set up an array of image size urls<\/code><code>&nbsp;&nbsp;&nbsp;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>foreach<\/code><code>(<\/code><code>$meta<\/code><code>[<\/code><code>'sizes'<\/code><code>] <\/code><code>as<\/code><code>$size<\/code><code>) {<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$files<\/code><code>[] = <\/code><code>$path<\/code><code>[<\/code><code>'path'<\/code><code>].<\/code><code>'\/'<\/code><code>.<\/code><code>$size<\/code><code>[<\/code><code>'file'<\/code><code>];<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>}<\/code><code>&nbsp;&nbsp;&nbsp;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>foreach<\/code><code>(<\/code><code>$files<\/code><code>as<\/code><code>$file<\/code><code>) { <\/code><code>\/\/ iterate through each image size<\/code><code>&nbsp;&nbsp;&nbsp;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>\/\/ Convert image to grayscale credit to http:\/\/ottopress.com\/2011\/customizing-wordpress-images\/<\/code><code>&nbsp;&nbsp;&nbsp;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>list(<\/code><code>$orig_w<\/code><code>, <\/code><code>$orig_h<\/code><code>, <\/code><code>$orig_type<\/code><code>) = @<\/code><code>getimagesize<\/code><code>(<\/code><code>$file<\/code><code>);<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$image<\/code><code>= wp_load_image(<\/code><code>$file<\/code><code>);<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>imagefilter(<\/code><code>$image<\/code><code>, IMG_FILTER_GRAYSCALE);<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>switch<\/code><code>(<\/code><code>$orig_type<\/code><code>) {<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>case<\/code><code>IMAGETYPE_GIF:<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>imagegif( <\/code><code>$image<\/code><code>, <\/code><code>$file<\/code><code>);<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>break<\/code><code>;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>case<\/code><code>IMAGETYPE_PNG:<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>imagepng( <\/code><code>$image<\/code><code>, <\/code><code>$file<\/code><code>);<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>break<\/code><code>;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>case<\/code><code>IMAGETYPE_JPEG:<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>imagejpeg( <\/code><code>$image<\/code><code>, <\/code><code>$file<\/code><code>);<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>break<\/code><code>;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>}<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>}<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>return<\/code><code>$meta<\/code><code>;<\/code><code>}<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u7531<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/wpcode.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">WPCode\u4e0e \u2764\ufe0f \u4e3b\u529e<\/a><\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/library.wpcode.com\/use-snippet\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5728 WordPress \u4e2d\u4e00\u952e\u4f7f\u7528<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.wpbeginner.com\/plugins\/how-to-easily-add-custom-code-in-wordpress-without-breaking-your-site\/\">\u5c06\u4ee3\u7801\u6dfb\u52a0\u5230\u4e3b\u9898\u6587\u4ef6\u7684<\/a>\u4e00\u79cd\u7b80\u5355\u65b9\u6cd5\u662f\u4f7f\u7528WordPress \u7684<a href=\"https:\/\/wordpress.org\/plugins\/insert-headers-and-footers\" target=\"_blank\" rel=\"noreferrer noopener\">WPCode<\/a>\u63d2\u4ef6\u3002\u5b83\u662f\u4e00\u4e2a\u514d\u8d39\u63d2\u4ef6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u8fd0\u884c\u4ee3\u7801\u7247\u6bb5\uff0c\u800c\u65e0\u9700\u624b\u52a8\u7f16\u8f91<a href=\"https:\/\/www.wpbeginner.com\/beginners-guide\/wordpress-plugin-vs-functions-php-file-which-is-better\/\">\u4e3b\u9898\u7684 function.php \u6587\u4ef6<\/a>\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong>&nbsp;WPCode \u7684\u514d\u8d39\u7248\u672c\u63d0\u4f9b\u4e86\u5728 WordPress \u4e2d\u8f7b\u677e\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4ee3\u7801\u6240\u9700\u7684\u4e00\u5207\u3002\u5982\u9700\u66f4\u9ad8\u7ea7\u7684\u529f\u80fd\uff0c\u5982\u79c1\u6709\u4e91\u4ee3\u7801\u7247\u6bb5\u5e93\u3001\u8ba1\u5212\u4ee3\u7801\u7247\u6bb5\u3001\u8f6c\u6362\u50cf\u7d20\u7b49\uff0c\u60a8\u53ef\u4ee5\u5347\u7ea7\u5230<a href=\"https:\/\/wpcode.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">WPCode Pro<\/a>\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7684\u7f51\u7ad9\u4e0a\u4e0b\u8f7d\u5e76\u5b89\u88c5\u514d\u8d39\u7684<a href=\"https:\/\/wordpress.org\/plugins\/insert-headers-and-footers\" target=\"_blank\" rel=\"noreferrer noopener\">WPCode<\/a>\u63d2\u4ef6\u3002\u5982\u679c\u60a8\u9700\u8981\u5e2e\u52a9\uff0c\u8bf7\u6309\u7167\u6211\u4eec\u7684<a href=\"https:\/\/www.wpbeginner.com\/beginners-guide\/step-by-step-guide-to-install-a-wordpress-plugin-for-beginners\/\">\u5982\u4f55\u5b89\u88c5 WordPress \u63d2\u4ef6<\/a>\u6307\u5357\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u6fc0\u6d3b\u540e\uff0c\u60a8\u53ef\u4ee5\u4ece WordPress \u4eea\u8868\u677f\u8f6c\u5230<strong>\u4ee3\u7801\u7247\u6bb5 \u00bb + \u6dfb\u52a0\u65b0\u5185\u5bb9\u3002<\/strong><\/p>\n\n\n\n<p>\u7136\u540e\uff0c\u5bfc\u822a\u5230\u201c\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4ee3\u7801\uff08\u65b0\u4ee3\u7801\u6bb5\uff09\u201d\u9009\u9879\uff0c\u7136\u540e\u5355\u51fb\u201c\u4f7f\u7528\u4ee3\u7801\u6bb5\u201d\u6309\u94ae\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2021\/01\/wpcode-add-new-snippet-use-snippet.png\" alt=\"\u5728 WPCode \u4e2d\u6dfb\u52a0\u65b0\u7684\u81ea\u5b9a\u4e49\u4ee3\u7801\u6bb5\" class=\"wp-image-138542\" title=\"\u5728 WPCode \u4e2d\u6dfb\u52a0\u65b0\u7684\u81ea\u5b9a\u4e49\u4ee3\u7801\u6bb5\"\/><\/figure>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u7ee7\u7eed\u8f93\u5165\u4ee3\u7801\u7247\u6bb5\u7684\u540d\u79f0\uff0c\u5e76\u5c06\u4e0a\u8ff0\u4ee3\u7801\u7c98\u8d34\u5230\u201c\u4ee3\u7801\u9884\u89c8\u201d\u533a\u57df\u3002<\/p>\n\n\n\n<p>\u60a8\u8fd8\u9700\u8981\u4ece\u53f3\u4fa7\u7684\u4e0b\u62c9\u5217\u8868\u4e2d\u9009\u62e9\u201cPHP Snippet\u201d\u4f5c\u4e3a\u4ee3\u7801\u7c7b\u578b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2011\/08\/paste-grayscale-image-snippet-into-wpcode.png\" alt=\"\u6dfb\u52a0\u7070\u5ea6\u56fe\u50cf\u7684\u4ee3\u7801\u7247\u6bb5\" class=\"wp-image-183921\" title=\"\u6dfb\u52a0\u7070\u5ea6\u56fe\u50cf\u7684\u4ee3\u7801\u7247\u6bb5\"\/><\/figure>\n\n\n\n<p>\u8f93\u5165\u4ee3\u7801\u540e\uff0c\u60a8\u53ef\u4ee5\u5411\u4e0b\u6eda\u52a8\u5230\u201c\u63d2\u5165\u201d\u90e8\u5206\u3002<\/p>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u60a8\u53ef\u4ee5\u9009\u62e9\u201c\u81ea\u52a8\u63d2\u5165\u201d\u9009\u9879\u3002\u8fd9\u5c06\u81ea\u52a8\u4e3a\u60a8\u63d2\u5165\u5e76\u6267\u884c\u4ee3\u7801\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2021\/08\/insertion-methods-wpcode.png\" alt=\"WPCode \u4e2d\u7247\u6bb5\u7684\u63d2\u5165\u65b9\u6cd5\" class=\"wp-image-137050\" title=\"WPCode 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