{"id":2955,"date":"2023-10-21T22:04:24","date_gmt":"2023-10-21T14:04:24","guid":{"rendered":"https:\/\/wpeyes.com\/wordpress\/?p=2955"},"modified":"2023-10-21T22:06:01","modified_gmt":"2023-10-21T14:06:01","slug":"wordpress-body-class-101%ef%bc%9a%e4%b8%bb%e9%a2%98%e8%ae%be%e8%ae%a1%e5%b8%88%e7%9a%84%e6%8f%90%e7%a4%ba%e5%92%8c%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/wpeyes.com\/wordpress\/archives\/2955","title":{"rendered":"WordPress Body Class 101\uff1a\u4e3b\u9898\u8bbe\u8ba1\u5e08\u7684\u63d0\u793a\u548c\u6280\u5de7"},"content":{"rendered":"\n<p>\u60a8\u662f\u4e00\u4f4d\u6709\u62b1\u8d1f\u7684 WordPress \u4e3b\u9898\u8bbe\u8ba1\u5e08\uff0c\u6b63\u5728\u5bfb\u627e\u5728\u4e3b\u9898\u4e2d\u4f7f\u7528 CSS \u7684\u65b0\u65b9\u6cd5\u5417\uff1f<\/p>\n\n\n\n<p>\u5e78\u8fd0\u7684\u662f\uff0cWordPress\u4f1a\u81ea\u52a8\u6dfb\u52a0\u60a8\u53ef\u4ee5\u5728\u4e3b\u9898\u4e2d\u4f7f\u7528\u7684<a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/default-wordpress-generated-css-cheat-sheet-for-beginners\/\">CSS \u7c7b\u3002<\/a>\u5176\u4e2d\u4e00\u4e9b CSS \u7c7b\u4f1a\u81ea\u52a8\u6dfb\u52a0\u5230<code>&lt;body&gt;<\/code>WordPress \u7f51\u7ad9\u4e0a\u6bcf\u4e2a\u9875\u9762\u7684\u90e8\u5206\u3002<\/p>\n\n\n\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u89e3\u91ca WordPress \u4e3b\u4f53\u7c7b\uff0c\u5e76\u4e3a\u6709\u62b1\u8d1f\u7684\u4e3b\u9898\u8bbe\u8ba1\u5e08\u5728\u5176\u9879\u76ee\u4e2d\u4f7f\u7528\u5b83\u4eec\u63d0\u4f9b\u63d0\u793a\u548c\u6280\u5de7\u3002<\/p>\n\n\n\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2019\/05\/wpbodyclass.png\" alt=\"\u4f7f\u7528WordPress\u4e3b\u4f53\u7c7b\u8fdb\u884c\u4e3b\u9898\u5f00\u53d1\" width=\"550\" height=\"340\" srcset=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2019\/05\/wpbodyclass.png 550w, https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2019\/05\/wpbodyclass-300x185.png 300w\"><br>\u4ee5\u4e0b\u662f\u60a8\u5c06\u5728\u672c\u6587\u4e2d\u5b66\u5230\u7684\u5185\u5bb9\u7684\u5feb\u901f\u6982\u8ff0\u3002<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/wordpress-body-class-101-tips-and-tricks-for-theme-designers\/#whatisbodyclass\">\u4ec0\u4e48\u662f WordPress Body Class\uff1f<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/wordpress-body-class-101-tips-and-tricks-for-theme-designers\/#whentouse\">\u4f55\u65f6\u4f7f\u7528 WordPress \u6b63\u6587\u7c7b<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/wordpress-body-class-101-tips-and-tricks-for-theme-designers\/#howtoadd\">\u5982\u4f55\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4e3b\u4f53\u7c7b<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/wordpress-body-class-101-tips-and-tricks-for-theme-designers\/#bodyclassplugin\">\u4f7f\u7528 WordPress \u63d2\u4ef6\u6dfb\u52a0\u6b63\u6587\u7c7b<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/wordpress-body-class-101-tips-and-tricks-for-theme-designers\/#conditionaltags\">\u5c06\u6761\u4ef6\u6807\u7b7e\u4e0e Body \u7c7b\u4e00\u8d77\u4f7f\u7528<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/wordpress-body-class-101-tips-and-tricks-for-theme-designers\/#moreexamples\">\u52a8\u6001\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4e3b\u4f53\u7c7b\u7684\u5176\u4ed6\u793a\u4f8b<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/wordpress-body-class-101-tips-and-tricks-for-theme-designers\/#browserdetect\">\u6d4f\u89c8\u5668\u68c0\u6d4b\u548c\u6d4f\u89c8\u5668\u7279\u5b9a\u7684\u6b63\u6587\u7c7b<\/a><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"whatisbodyclass\">\u4ec0\u4e48\u662f WordPress Body Class\uff1f<\/h4>\n\n\n\n<p>Body \u7c7b (body_class) \u662f\u4e00\u4e2a WordPress 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body_class(<\/code><code>$class<\/code><code>); ?&gt;&gt;<\/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>\u6839\u636e\u663e\u793a\u7684\u9875\u9762\u7c7b\u578b\uff0cWordPress \u4f1a\u81ea\u52a8\u6dfb\u52a0\u9002\u5f53\u7684\u7c7b\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u4f4d\u4e8e\u5b58\u6863\u9875\u9762\uff0cWordPress \u4f1a\u81ea\u52a8\u5c06\u5b58\u6863\u7c7b\u6dfb\u52a0\u5230 body \u5143\u7d20\u3002\u51e0\u4e4e\u6bcf\u4e2a\u9875\u9762\u90fd\u4f1a\u8fd9\u6837\u505a\u3002<\/p>\n\n\n\n<p><strong>\u76f8\u5173\uff1a<\/strong>\u4e86\u89e3<a href=\"https:\/\/www.wpbeginner.com\/wp-tutorials\/how-wordpress-actually-works-behind-the-scenes-infographic\/\">WordPress \u5728\u5e55\u540e\u7684\u5de5\u4f5c\u539f\u7406\uff08\u4fe1\u606f\u56fe\uff09<\/a>\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f WordPress \u53ef\u80fd\u6dfb\u52a0\u7684\u4e00\u4e9b\u5e38\u89c1\u7c7b\u7684\u793a\u4f8b\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6240\u663e\u793a\u7684\u9875\u9762\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1234567891011121314151617 \u53f7181920212223242526272829303132<\/td><td><code>.<\/code><code>rtl<\/code><code>{}<\/code><code>.home {}<\/code><code>.blog {}<\/code><code>.archive {}<\/code><code>.date {}<\/code><code>.search {}<\/code><code>.paged {}<\/code><code>.attachment {}<\/code><code>.error<\/code><code>404<\/code><code>{}<\/code><code>.single postid-(id) {}<\/code><code>.attachmentid-(id) {}<\/code><code>.attachment-(mime-type) {}<\/code><code>.author {}<\/code><code>.author-(user_nicename) {}<\/code><code>.category {}<\/code><code>.category-(slug) {}<\/code><code>.tag {}<\/code><code>.tag-(slug) {}<\/code><code>.page-parent {}<\/code><code>.page-child parent-pageid-(id) {}<\/code><code>.page-template page-template-(template file name) {}<\/code><code>.search-results {}<\/code><code>.search-no-results {}<\/code><code>.logged-in {}<\/code><code>.paged-(page number) {}<\/code><code>.single-paged-(page number) {}<\/code><code>.page-paged-(page number) {}<\/code><code>.category-paged-(page number) {}<\/code><code>.tag-paged-(page number) {}<\/code><code>.date-paged-(page number) {}<\/code><code>.author-paged-(page number) {}<\/code><code>.search-paged-(page number) {}<\/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>\u6b63\u5982\u60a8\u6240\u770b\u5230\u7684\uff0c\u901a\u8fc7\u624b\u5934\u62e5\u6709\u5982\u6b64\u5f3a\u5927\u7684\u8d44\u6e90\uff0c\u60a8\u53ea\u9700\u4f7f\u7528 CSS \u5373\u53ef\u5b8c\u5168\u81ea\u5b9a\u4e49\u60a8\u7684 WordPress \u9875\u9762\u3002\u60a8\u53ef\u4ee5\u81ea\u5b9a\u4e49\u7279\u5b9a\u7684<a href=\"https:\/\/www.wpbeginner.com\/plugins\/how-to-create-a-simple-staff-list-in-wordpress\/\">\u4f5c\u8005\u4e2a\u4eba\u8d44\u6599\u9875\u9762<\/a>\u3001\u57fa\u4e8e\u65e5\u671f\u7684\u6863\u6848\u7b49\u3002<\/p>\n\n\n\n<p>\u8bdd\u867d\u8fd9\u4e48\u8bf4\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u4ee5\u53ca\u4f55\u65f6\u4f7f\u7528 body \u7c7b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"whentouse\">\u4f55\u65f6\u4f7f\u7528 WordPress \u6b63\u6587\u7c7b<\/h4>\n\n\n\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u4e3b\u9898\u7684 body \u5143\u7d20\u5305\u542b body \u7c7b\u51fd\u6570\uff0c\u5982\u4e0a\u6240\u793a\u3002\u5982\u679c\u662f\uff0c\u90a3\u4e48\u5b83\u5c06\u81ea\u52a8\u5305\u542b\u4e0a\u9762\u63d0\u5230\u7684\u6240\u6709 WordPress \u751f\u6210\u7684 CSS \u7c7b\u3002<\/p>\n\n\n\n<p>\u4e4b\u540e\uff0c\u60a8\u8fd8\u53ef\u4ee5\u5c06\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49 CSS \u7c7b\u6dfb\u52a0\u5230 body \u5143\u7d20\u3002\u60a8\u53ef\u4ee5\u5728\u9700\u8981\u65f6\u6dfb\u52a0\u8fd9\u4e9b\u7c7b\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u8981\u66f4\u6539\u7279\u5b9a\u4f5c\u8005\u5728\u7279\u5b9a\u7c7b\u522b\u4e0b\u63d0\u4ea4\u7684\u6587\u7ae0\u7684\u5916\u89c2\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"howtoadd\">\u5982\u4f55\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4e3b\u4f53\u7c7b<\/h4>\n\n\n\n<p>WordPress 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class=\"wp-block-table\"><table><tbody><tr><td>123456789<\/td><td><code>function<\/code><code>my_class_names(<\/code><code>$classes<\/code><code>) {<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>\/\/ add 'class-name' to the $classes array<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$classes<\/code><code>[] = <\/code><code>'wpb-class'<\/code><code>;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>\/\/ return the $classes array<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>return<\/code><code>$classes<\/code><code>;<\/code><code>}<\/code><code>&nbsp;<\/code><code>\/\/Now add test class to the filter<\/code><code>add_filter(<\/code><code>'body_class'<\/code><code>,<\/code><code>'my_class_names'<\/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>\u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5411\u7f51\u7ad9\u6bcf\u4e2a\u9875\u9762\u7684\u6b63\u6587\u6807\u8bb0\u6dfb\u52a0\u4e00\u4e2a\u201cwpb-class\u201d\u7c7b\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5efa\u8bae\u4f7f\u7528\u5e02\u573a\u4e0a\u6700\u597d\u7684\u4ee3\u7801\u7247\u6bb5\u63d2\u4ef6<a href=\"https:\/\/wpcode.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">WPCode<\/a>\u6dfb\u52a0\u6b64\u4ee3\u7801\u3002\u5b83\u53ef\u4ee5\u5b89\u5168\u3001\u8f7b\u677e\u5730\u5728 WordPress \u4e2d\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4ee3\u7801\uff0c\u800c\u65e0\u9700\u7f16\u8f91\u4e3b\u9898\u7684functions.php \u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88c5\u5e76\u6fc0\u6d3b\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\u8bf4\u660e\uff0c\u8bf7\u53c2\u9605\u6211\u4eec\u7684\u6709\u5173<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\u7684<\/a>\u6307\u5357\u3002<\/p>\n\n\n\n<p>\u6fc0\u6d3b\u63d2\u4ef6\u540e\uff0c&nbsp;&nbsp;\u4ece WordPress \u4eea\u8868\u677f\u8f6c\u5230<strong>\u4ee3\u7801\u7247\u6bb5&nbsp;\u00bb<\/strong>&nbsp;<strong>\u6dfb\u52a0\u7247\u6bb5\u3002<\/strong>\u7136\u540e\uff0c\u627e\u5230\u201c\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4ee3\u7801\uff08\u65b0\u4ee3\u7801\u6bb5\uff09\u201d\u9009\u9879\uff0c\u7136\u540e\u5355\u51fb\u5176\u4e0b\u65b9\u7684\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\u4e3a\u4ee3\u7801\u7247\u6bb5\u6dfb\u52a0\u6807\u9898\uff0c\u5e76\u5c06\u4e0a\u9762\u7684\u4ee3\u7801\u7c98\u8d34\u5230\u201c\u4ee3\u7801\u9884\u89c8\u201d\u6846\u4e2d\u3002\u60a8\u8fd8\u9700\u8981\u4ece\u53f3\u4fa7\u7684\u4e0b\u62c9\u83dc\u5355\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\/2021\/03\/paste-code-for-custom-body-classes.png\" alt=\"\u5c06\u4ee3\u7801\u7c98\u8d34\u5230 WPCode \u4e2d\u5e76\u9009\u62e9 PHP \u7247\u6bb5\u4f5c\u4e3a\u4ee3\u7801\u7c7b\u578b\" class=\"wp-image-187743\" title=\"\u5c06\u4ee3\u7801\u7c98\u8d34\u5230 WPCode \u4e2d\u5e76\u9009\u62e9 PHP \u7247\u6bb5\u4f5c\u4e3a\u4ee3\u7801\u7c7b\u578b\"\/><\/figure>\n\n\n\n<p>\u4e4b\u540e\uff0c\u53ea\u9700\u5c06\u5f00\u5173\u4ece\u201c\u975e\u6d3b\u52a8\u201d\u5207\u6362\u5230\u201c\u6d3b\u52a8\u201d\uff0c\u7136\u540e\u5355\u51fb\u201c\u4fdd\u5b58\u7247\u6bb5\u201d\u6309\u94ae\u5373\u53ef\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2021\/08\/save-and-activate-snippet.png\" alt=\"\u6fc0\u6d3b\u5e76\u4fdd\u5b58\u60a8\u7684\u81ea\u5b9a\u4e49\u4ee3\u7801\u7247\u6bb5\" class=\"wp-image-137053\" title=\"\u6fc0\u6d3b\u5e76\u4fdd\u5b58\u60a8\u7684\u81ea\u5b9a\u4e49\u4ee3\u7801\u7247\u6bb5\"\/><\/figure>\n\n\n\n<p>\u73b0\u5728\u60a8\u53ef\u4ee5\u76f4\u63a5\u5728\u4e3b\u9898\u7684\u6837\u5f0f\u8868\u4e2d\u4f7f\u7528\u6b64 CSS \u7c7b\u3002<a href=\"https:\/\/www.wpbeginner.com\/plugins\/how-to-easily-add-custom-css-to-your-wordpress-site\/\">\u5982\u679c\u60a8\u6b63\u5728\u5f00\u53d1\u81ea\u5df1\u7684\u7f51\u7ad9\uff0c\u90a3\u4e48\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e3b\u9898\u5b9a\u5236\u5668\u4e2d\u7684\u81ea\u5b9a\u4e49 CSS \u529f\u80fd<\/a>\u6dfb\u52a0 CSS&nbsp;\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2019\/05\/adding-custom-css.png\" alt=\"\u5728\u4e3b\u9898\u5b9a\u5236\u5668\u4e2d\u6dfb\u52a0\u81ea\u5b9a\u4e49 CSS\" class=\"wp-image-63005\" title=\"\u5728\u4e3b\u9898\u5b9a\u5236\u5668\u4e2d\u6dfb\u52a0\u81ea\u5b9a\u4e49 CSS\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"bodyclassplugin\">\u4f7f\u7528 WordPress \u63d2\u4ef6\u6dfb\u52a0\u6b63\u6587\u7c7b<\/h4>\n\n\n\n<p>\u5982\u679c\u60a8\u4e0d\u4ece\u4e8b\u5ba2\u6237\u9879\u76ee\u5e76\u4e14\u4e0d\u60f3\u7f16\u5199\u4ee3\u7801\uff0c\u90a3\u4e48\u6b64\u65b9\u6cd5\u5bf9\u60a8\u6765\u8bf4\u4f1a\u66f4\u5bb9\u6613\u3002<\/p>\n\n\n\n<p>\u60a8\u9700\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u662f\u5b89\u88c5\u5e76\u6fc0\u6d3b<a href=\"https:\/\/wordpress.org\/plugins\/wp-custom-body-class\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u81ea\u5b9a\u4e49\u4e3b\u4f53\u7c7b<\/a>\u63d2\u4ef6\u3002<a href=\"http:\/\/www.wpbeginner.com\/beginners-guide\/step-by-step-guide-to-install-a-wordpress-plugin-for-beginners\/\">\u6709\u5173\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u6211\u4eec\u6709\u5173\u5982\u4f55\u5b89\u88c5 WordPress \u63d2\u4ef6\u7684<\/a>\u5206\u6b65\u6307\u5357\u3002<\/p>\n\n\n\n<p>\u6fc0\u6d3b\u540e\uff0c\u60a8\u9700\u8981\u8bbf\u95ee<strong>\u8bbe\u7f6e\u00bb\u81ea\u5b9a\u4e49\u8f66\u8eab\u7c7b\u522b<\/strong>\u9875\u9762\u3002\u4ece\u8fd9\u91cc\u60a8\u53ef\u4ee5\u914d\u7f6e\u63d2\u4ef6\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2019\/05\/custombodyclass-settings.png\" alt=\"\u81ea\u5b9a\u4e49\u4e3b\u4f53\u7c7b\u522b\u8bbe\u7f6e\" class=\"wp-image-63026\" title=\"\u81ea\u5b9a\u4e49\u4e3b\u4f53\u7c7b\u522b\u8bbe\u7f6e\"\/><\/figure>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u9009\u62e9\u8981\u542f\u7528\u6b63\u6587\u7c7b\u529f\u80fd\u7684\u5e16\u5b50\u7c7b\u578b\u4ee5\u53ca\u8c01\u53ef\u4ee5\u8bbf\u95ee\u5b83\u3002\u4e0d\u8981\u5fd8\u8bb0\u5355\u51fb\u201c\u4fdd\u5b58\u66f4\u6539\u201d\u6309\u94ae\u6765\u5b58\u50a8\u60a8\u7684\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u53ef\u4ee5\u7f16\u8f91<a href=\"https:\/\/www.wpbeginner.com\/guides\/\">WordPress \u7f51\u7ad9<\/a>\u4e0a\u7684\u4efb\u4f55\u5e16\u5b50\u6216\u9875\u9762\u3002\u5728\u5e16\u5b50\u7f16\u8f91\u5c4f\u5e55\u4e0a\uff0c\u60a8\u5c06\u5728\u6807\u6709\u201c\u5e16\u5b50\u8bfe\u7a0b\u201d\u7684\u53f3\u5217\u4e2d\u627e\u5230\u4e00\u4e2a\u65b0\u7684\u5143\u6846\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2019\/05\/postclasses.png\" alt=\"\u5728 WordPress \u4e2d\u5411\u5e16\u5b50\u6dfb\u52a0\u6b63\u6587\u7c7b\" class=\"wp-image-63027\" title=\"\u5728 WordPress \u4e2d\u5411\u5e16\u5b50\u6dfb\u52a0\u6b63\u6587\u7c7b\"\/><\/figure>\n\n\n\n<p>\u5355\u51fb\u4ee5\u6dfb\u52a0\u60a8\u7684\u81ea\u5b9a\u4e49 CSS \u7c7b\u3002\u60a8\u53ef\u4ee5\u6dfb\u52a0\u591a\u4e2a\u7c7b\uff0c\u5e76\u7528\u7a7a\u683c\u5206\u9694\u3002<\/p>\n\n\n\n<p>\u5b8c\u6210\u540e\uff0c\u60a8\u53ea\u9700\u4fdd\u5b58\u6216\u53d1\u5e03\u60a8\u7684\u5e16\u5b50\u5373\u53ef\u3002\u8be5\u63d2\u4ef6\u73b0\u5728\u4f1a\u5c06\u60a8\u7684\u81ea\u5b9a\u4e49 CSS \u7c7b\u6dfb\u52a0\u5230\u8be5\u7279\u5b9a\u5e16\u5b50\u6216\u9875\u9762\u7684\u4e3b\u4f53\u7c7b\u4e2d\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"conditionaltags\">\u5c06\u6761\u4ef6\u6807\u7b7e\u4e0e Body \u7c7b\u4e00\u8d77\u4f7f\u7528<\/h4>\n\n\n\n<p>\u5f53 body_class \u51fd\u6570\u4e0e\u6761\u4ef6\u6807\u7b7e\u4e00\u8d77\u4f7f\u7528\u65f6\uff0c\u5b83\u7684\u771f\u6b63\u5a01\u529b\u5c31\u4f1a\u663e\u73b0\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u6761\u4ef6\u6807\u7b7e\u662f true \u6216 false \u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u68c0\u67e5 WordPress \u4e2d\u7684\u6761\u4ef6\u662f true \u8fd8\u662f false\u3002\u4f8b\u5982\uff0c\u6761\u4ef6\u6807\u7b7e<code>is_home<\/code>\u68c0\u67e5\u5f53\u524d\u663e\u793a\u7684\u9875\u9762\u662f\u5426\u662f\u4e3b\u9875\u3002<\/p>\n\n\n\n<p>\u8fd9\u5141\u8bb8\u4e3b\u9898\u5f00\u53d1\u4eba\u5458\u5728\u5c06\u81ea\u5b9a\u4e49 CSS \u7c7b\u6dfb\u52a0\u5230 body_class \u51fd\u6570\u4e4b\u524d\u68c0\u67e5\u6761\u4ef6\u662f true \u8fd8\u662f false\u3002<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u4f7f\u7528\u6761\u4ef6\u6807\u8bb0\u5c06\u81ea\u5b9a\u4e49\u7c7b\u6dfb\u52a0\u5230\u4e3b\u4f53\u7c7b\u7684\u4e00\u4e9b\u793a\u4f8b\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u60a8\u5e0c\u671b\u4e3a\u5177\u6709\u4f5c\u8005<a href=\"https:\/\/www.wpbeginner.com\/beginners-guide\/wordpress-user-roles-and-permissions\/\">\u7528\u6237\u89d2\u8272\u7684<\/a>\u767b\u5f55\u7528\u6237\u8bbe\u7f6e\u4e0d\u540c\u7684\u4e3b\u9875\u6837\u5f0f\u3002\u867d\u7136 WordPress \u81ea\u52a8\u751f\u6210<code>.home<\/code>\u7c7b<code>.logged-in<\/code>\uff0c\u4f46\u5b83\u4e0d\u4f1a\u68c0\u6d4b\u7528\u6237\u89d2\u8272\u6216\u5c06\u5176\u6dfb\u52a0\u4e3a\u7c7b\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u6807\u8bb0\u548c\u4e00\u4e9b\u81ea\u5b9a\u4e49\u4ee3\u7801\u6765\u52a8\u6001\u5730\u5c06\u81ea\u5b9a\u4e49\u7c7b\u6dfb\u52a0\u5230\u4e3b\u4f53\u7c7b\u4e2d\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u60a8\u9700\u8981\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230\u4e3b\u9898\u7684functions.php \u6587\u4ef6\u6216<a href=\"https:\/\/www.wpbeginner.com\/plugins\/how-to-easily-add-custom-code-in-wordpress-without-breaking-your-site\/\">\u4ee3\u7801\u7247\u6bb5\u63d2\u4ef6<\/a>\u4e2d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1234567891011121314151617 \u53f718192021<\/td><td><code>function<\/code><code>wpb_loggedin_user_role_class(<\/code><code>$classes<\/code><code>) { <\/code><code>&nbsp;<\/code><code>\/\/ let's check if it is homepage<\/code><code>if<\/code><code>( is_home() ) {<\/code><code>&nbsp;<\/code><code>\/\/ Now let's check if the logged in user has author user role.&nbsp; <\/code><code>$user<\/code><code>= wp_get_current_user();<\/code><code>if<\/code><code>( in_array( <\/code><code>'author'<\/code><code>, (<\/code><code>array<\/code><code>) <\/code><code>$user<\/code><code>-&gt;roles ) ) {<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>\/\/The user has the \"author\" role<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>\/\/ Add user role to the body class<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$classes<\/code><code>[] = <\/code><code>'author'<\/code><code>;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>\/\/ Return the classes array<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>return<\/code><code>$classes<\/code><code>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/code><code>} <\/code><code>} <\/code><code>else<\/code><code>{ <\/code><code>\/\/ if it is not homepage, then just return default classes<\/code><code>return<\/code><code>$classes<\/code><code>; <\/code><code>}<\/code><code>} <\/code><code>&nbsp;<\/code><code>add_filter(<\/code><code>'body_class'<\/code><code>, <\/code><code>'wpb_loggedin_user_role_class'<\/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>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u770b\u53e6\u4e00\u4e2a\u6709\u7528\u7684\u4f8b\u5b50\u3002\u8fd9\u6b21\u6211\u4eec\u5c06\u68c0\u67e5\u663e\u793a\u7684\u9875\u9762\u662f\u5426\u662f WordPress \u8349\u7a3f\u7684\u9884\u89c8\u3002<\/p>\n\n\n\n<p>\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u6761\u4ef6\u6807\u7b7e is_preview\uff0c\u7136\u540e\u6dfb\u52a0\u81ea\u5b9a\u4e49 CSS \u7c7b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>12345678<\/td><td><code>function<\/code><code>add_preview_class(<\/code><code>$classes<\/code><code>) { <\/code><code>if<\/code><code>( is_preview() )&nbsp; {<\/code><code>$classes<\/code><code>[] = <\/code><code>'preview-mode'<\/code><code>;<\/code><code>return<\/code><code>$classes<\/code><code>;<\/code><code>}<\/code><code>return<\/code><code>$classes<\/code><code>; <\/code><code>}<\/code><code>add_filter(<\/code><code>'body_class'<\/code><code>,<\/code><code>'add_preview_class'<\/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>\u73b0\u5728\uff0c\u6211\u4eec\u5c06\u4ee5\u4e0b CSS \u6dfb\u52a0\u5230\u4e3b\u9898\u7684\u6837\u5f0f\u8868\u4e2d\uff0c\u4ee5\u5229\u7528\u6211\u4eec\u521a\u521a\u6dfb\u52a0\u7684\u65b0\u81ea\u5b9a\u4e49 CSS \u7c7b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>12345<\/td><td><code>.preview-mode .site-header:before { <\/code><code>content<\/code><code>:<\/code><code>'preview mode'<\/code><code>;<\/code><code>color<\/code><code>:<\/code><code>#FFF<\/code><code>;<\/code><code>background-color<\/code><code>:<\/code><code>#ff0000<\/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>\u8fd9\u662f\u6211\u4eec\u7684\u6f14\u793a\u7f51\u7ad9\u4e0a\u7684\u6837\u5b50\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.wpbeginner.com\/wp-content\/uploads\/2019\/05\/previewmode.png\" alt=\"\u81ea\u5b9a\u4e49\u9884\u89c8\u6a21\u5f0f CSS \u7c7b\u6dfb\u52a0\u5230\u4e3b\u4f53\u7c7b\" class=\"wp-image-63006\" title=\"\u81ea\u5b9a\u4e49\u9884\u89c8\u6a21\u5f0f CSS \u7c7b\u6dfb\u52a0\u5230\u4e3b\u4f53\u7c7b\"\/><\/figure>\n\n\n\n<p>\u60a8\u53ef\u80fd\u60f3\u67e5\u770b\u53ef\u5728 WordPress \u4e2d\u4f7f\u7528\u7684<a href=\"https:\/\/codex.wordpress.org\/Conditional_Tags\" target=\"_blank\" rel=\"noreferrer noopener\">\u6761\u4ef6\u6807\u7b7e\u7684\u5b8c\u6574\u5217\u8868\u3002<\/a>\u8fd9\u5c06\u4e3a\u60a8\u7684\u4ee3\u7801\u63d0\u4f9b\u4e00\u7ec4\u65b9\u4fbf\u7684\u968f\u65f6\u53ef\u7528\u7684\u6807\u7b7e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"moreexamples\">\u52a8\u6001\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4e3b\u4f53\u7c7b\u7684\u5176\u4ed6\u793a\u4f8b<\/h4>\n\n\n\n<p>\u9664\u4e86\u6761\u4ef6\u6807\u7b7e\u4e4b\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u6280\u672f\u4ece WordPress \u6570\u636e\u5e93\u83b7\u53d6\u4fe1\u606f\u5e76\u4e3a\u6b63\u6587\u7c7b\u521b\u5efa\u81ea\u5b9a\u4e49 CSS \u7c7b\u3002<\/p>\n\n\n\n<p><strong>\u5c06\u7c7b\u522b\u540d\u79f0\u6dfb\u52a0\u5230\u5355\u4e2a\u5e16\u5b50\u9875\u9762\u7684\u4e3b\u4f53\u7c7b\u4e2d<\/strong><\/p>\n\n\n\n<p>\u5047\u8bbe\u60a8\u60f3\u8981\u6839\u636e\u63d0\u4ea4\u7684\u7c7b\u522b\u81ea\u5b9a\u4e49\u5355\u4e2a\u5e16\u5b50\u7684\u5916\u89c2\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 body \u7c7b\u6765\u5b9e\u73b0\u6b64\u76ee\u7684<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u5355\u4e2a\u5e16\u5b50\u9875\u9762\u4e0a\u6dfb\u52a0\u7c7b\u522b\u540d\u79f0\u4f5c\u4e3a CSS \u7c7b\u3002\u4e3a\u6b64\uff0c\u8bf7\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230\u4e3b\u9898\u7684functions.php \u6587\u4ef6\u6216\u4ee3\u7801\u7247\u6bb5\u63d2\u4ef6\u4e2d\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>123456789<\/td><td><code>\/\/ add category nicenames in body class<\/code><code>function<\/code><code>category_id_class(<\/code><code>$classes<\/code><code>) {<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>global<\/code><code>$post<\/code><code>;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>foreach<\/code><code>((get_the_category(<\/code><code>$post<\/code><code>-&gt;ID)) <\/code><code>as<\/code><code>$category<\/code><code>)<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>$classes<\/code><code>[] = <\/code><code>$category<\/code><code>-&gt;category_nicename;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>return<\/code><code>$classes<\/code><code>;<\/code><code>}<\/code><code>&nbsp;&nbsp;<\/code><code>add_filter(<\/code><code>'body_class'<\/code><code>, <\/code><code>'category_id_class'<\/code><code>);<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u7531<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/wpcode.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">WPCode\u4e0e \u2764\ufe0f \u4e3b\u529e<\/a><\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/library.wpcode.com\/use-snippet\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5728 WordPress \u4e2d\u4e00\u952e\u4f7f\u7528<\/a><\/p>\n\n\n\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5728\u5355\u4e2a\u5e16\u5b50\u9875\u9762\u7684\u6b63\u6587\u7c7b\u4e2d\u6dfb\u52a0\u7c7b\u522b\u7c7b\u3002\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 CSS \u7c7b\u6765\u6839\u636e\u9700\u8981\u8bbe\u7f6e\u5176\u6837\u5f0f\u3002<\/p>\n\n\n\n<p><strong>\u5c06 page slug \u6dfb\u52a0\u5230 body \u7c7b<\/strong><\/p>\n\n\n\n<p>\u5c06\u4ee5\u4e0b\u4ee3\u7801\u7c98\u8d34\u5230\u4e3b\u9898\u7684functions.php \u6587\u4ef6\u6216\u4ee3\u7801\u7247\u6bb5\u63d2\u4ef6\u4e2d\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>123456789<\/td><td><code>\/\/Page Slug Body Class<\/code><code>function<\/code><code>add_slug_body_class( <\/code><code>$classes<\/code><code>) {<\/code><code>global<\/code><code>$post<\/code><code>;<\/code><code>if<\/code><code>( isset( <\/code><code>$post<\/code><code>) ) {<\/code><code>$classes<\/code><code>[] = <\/code><code>$post<\/code><code>-&gt;post_type . <\/code><code>'-'<\/code><code>. <\/code><code>$post<\/code><code>-&gt;post_name;<\/code><code>}<\/code><code>return<\/code><code>$classes<\/code><code>;<\/code><code>}<\/code><code>add_filter( <\/code><code>'body_class'<\/code><code>, <\/code><code>'add_slug_body_class'<\/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:\/\/wpcode.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u540c\u6837\uff0c\u6211\u4eec\u5efa\u8bae\u4f7f\u7528WPCode<\/a>\u7b49\u4ee3\u7801\u7247\u6bb5\u63d2\u4ef6\u5728 WordPress \u4e2d\u6dfb\u52a0\u6b64\u4ee3\u7801\u3002\u8fd9\u6837\uff0c\u60a8\u5c31\u4e0d\u5fc5\u62c5\u5fc3\u7834\u574f\u60a8\u7684\u7f51\u7ad9\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u5b89\u88c5\u5e76\u6fc0\u6d3b<a href=\"https:\/\/wordpress.org\/plugins\/insert-headers-and-footers\" target=\"_blank\" rel=\"noreferrer noopener\">WPCode<\/a>\u3002\u5982\u679c\u60a8\u9700\u8981\u5e2e\u52a9\uff0c\u8bf7\u6309\u7167\u672c\u6307\u5357\u4e86\u89e3<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>\u3002<\/p>\n\n\n\n<p>\u6fc0\u6d3b\u63d2\u4ef6\u540e\uff0c&nbsp;\u4ece WordPress \u4eea\u8868\u677f\u8f6c\u5230<strong>\u4ee3\u7801\u7247\u6bb5&nbsp;\u00bb<\/strong>&nbsp;<strong>\u6dfb\u52a0\u7247\u6bb5\u3002<\/strong>\u7136\u540e\uff0c\u5355\u51fb\u201c\u6dfb\u52a0\u81ea\u5b9a\u4e49\u4ee3\u7801\uff08\u65b0\u4ee3\u7801\u6bb5\uff09\u201d\u9009\u9879\u4e0b\u65b9\u7684\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\u53ea\u9700\u5c06\u4e0a\u9762\u7684\u4ee3\u7801\u7c98\u8d34\u5230\u201c\u4ee3\u7801\u9884\u89c8\u201d\u6846\u4e2d\uff0c\u7136\u540e\u4ece\u4e0b\u62c9\u83dc\u5355\u4e2d\u9009\u62e9\u201cPHP \u7247\u6bb5\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\/2021\/03\/paste-code-for-page-slug-body-class.png\" alt=\"\u5c06\u4ee3\u7801\u7247\u6bb5\u7c98\u8d34\u5230 WPCode \u4e2d\" class=\"wp-image-187754\" title=\"\u5c06\u4ee3\u7801\u7247\u6bb5\u7c98\u8d34\u5230 WPCode \u4e2d\"\/><\/figure>\n\n\n\n<p>\u6700\u540e\uff0c\u5c06\u5f00\u5173\u4ece\u201c\u975e\u6d3b\u52a8\u201d\u5207\u6362\u4e3a\u201c\u6d3b\u52a8\u201d\uff0c\u7136\u540e\u5355\u51fb\u201c\u4fdd\u5b58\u7247\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\/08\/save-and-activate-snippet.png\" alt=\"\u6fc0\u6d3b\u5e76\u4fdd\u5b58\u60a8\u7684\u81ea\u5b9a\u4e49\u4ee3\u7801\u7247\u6bb5\" class=\"wp-image-137053\" title=\"\u6fc0\u6d3b\u5e76\u4fdd\u5b58\u60a8\u7684\u81ea\u5b9a\u4e49\u4ee3\u7801\u7247\u6bb5\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"browserdetect\">\u6d4f\u89c8\u5668\u68c0\u6d4b\u548c\u6d4f\u89c8\u5668\u7279\u5b9a\u7684\u6b63\u6587\u7c7b<\/h4>\n\n\n\n<p>\u6709\u65f6\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u4e3b\u9898\u53ef\u80fd\u9700\u8981\u9488\u5bf9\u7279\u5b9a\u200b\u200b\u6d4f\u89c8\u5668\u7684\u989d\u5916 CSS \u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\u597d\u6d88\u606f\u662f WordPress \u4f1a\u5728\u52a0\u8f7d\u65f6\u81ea\u52a8\u68c0\u6d4b\u6d4f\u89c8\u5668\uff0c\u7136\u540e\u5c06\u6b64\u4fe1\u606f\u4e34\u65f6\u5b58\u50a8\u4e3a\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n\n\n\n<p>\u60a8\u53ea\u9700\u68c0\u67e5 WordPress \u662f\u5426\u68c0\u6d4b\u5230\u7279\u5b9a\u6d4f\u89c8\u5668\uff0c\u7136\u540e\u5c06\u5176\u6dfb\u52a0\u4e3a\u81ea\u5b9a\u4e49 CSS \u7c7b\u3002<\/p>\n\n\n\n<p>\u53ea\u9700\u5c06\u4ee5\u4e0b\u4ee3\u7801\u590d\u5236\u5e76\u7c98\u8d34\u5230\u4e3b\u9898\u7684functions.php\u6587\u4ef6\u6216<a href=\"https:\/\/www.wpbeginner.com\/plugins\/how-to-easily-add-custom-code-in-wordpress-without-breaking-your-site\/\">\u4ee3\u7801\u7247\u6bb5\u63d2\u4ef6<\/a>\u4e2d\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1234567891011121314151617 \u53f71819<\/td><td><code>function<\/code><code>wpb_browser_body_class(<\/code><code>$classes<\/code><code>) { <\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>global<\/code><code>$is_iphone<\/code><code>, <\/code><code>$is_chrome<\/code><code>, <\/code><code>$is_safari<\/code><code>, <\/code><code>$is_NS4<\/code><code>, <\/code><code>$is_opera<\/code><code>, <\/code><code>$is_macIE<\/code><code>, <\/code><code>$is_winIE<\/code><code>, <\/code><code>$is_gecko<\/code><code>, <\/code><code>$is_lynx<\/code><code>, <\/code><code>$is_IE<\/code><code>, <\/code><code>$is_edge<\/code><code>;<\/code><code>&nbsp;<\/code><code>if<\/code><code>(<\/code><code>$is_iphone<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'iphone-safari'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_chrome<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'google-chrome'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_safari<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'safari'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_NS4<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'netscape'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_opera<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'opera'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_macIE<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'mac-ie'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_winIE<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'windows-ie'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_gecko<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'firefox'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_lynx<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'lynx'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_IE<\/code><code>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'internet-explorer'<\/code><code>;<\/code><code>elseif<\/code><code>(<\/code><code>$is_edge<\/code><code>)&nbsp;&nbsp;&nbsp; <\/code><code>$classes<\/code><code>[] =<\/code><code>'ms-edge'<\/code><code>;<\/code><code>else<\/code><code>$classes<\/code><code>[] = <\/code><code>'unknown'<\/code><code>;<\/code><code>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code>return<\/code><code>$classes<\/code><code>;<\/code><code>}<\/code><code>add_filter(<\/code><code>'body_class'<\/code><code>,<\/code><code>'wpb_browser_body_class'<\/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>\u7136\u540e\u60a8\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u7c7b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>.ms-edge .navigation {some item goes here}<\/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>\u5982\u679c\u8fd9\u662f\u4e00\u4e2a\u5c0f\u7684\u586b\u5145\u6216\u8fb9\u8ddd\u95ee\u9898\uff0c\u90a3\u4e48\u8fd9\u662f\u4e00\u4e2a\u76f8\u5f53\u7b80\u5355\u7684\u4fee\u590d\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u80af\u5b9a\u8fd8\u6709\u66f4\u591a\u573a\u666f\u4f7f\u7528 body_class \u51fd\u6570\u53ef\u4ee5\u8ba9\u60a8\u514d\u4e8e\u7f16\u5199\u5197\u957f\u7684\u4ee3\u7801\u884c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u4f7f\u7528\u50cf<a href=\"https:\/\/www.wpbeginner.com\/refer\/studiopress-genesis\/\" target=\"_blank\" rel=\"noreferrer noopener\">Genesis<\/a>\u8fd9\u6837\u7684\u4e3b\u9898\u6846\u67b6\uff0c\u90a3\u4e48\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u5728\u5b50\u4e3b\u9898\u4e2d\u6dfb\u52a0\u81ea\u5b9a\u4e49\u7c7b\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/how-to-create-a-full-width-page-in-wordpress\/\">\u60a8\u53ef\u4ee5\u4f7f\u7528 body_class \u51fd\u6570\u4e3a\u5168\u89d2\u9875\u9762\u5e03\u5c40<\/a>\u3001\u4fa7\u8fb9\u680f\u5185\u5bb9\u3001\u9875\u7709\u548c\u9875\u811a\u7b49\u6dfb\u52a0 CSS \u7c7b\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u60a8\u4e86\u89e3\u5982\u4f55\u5728\u4e3b\u9898\u4e2d\u4f7f\u7528 WordPress \u4e3b\u4f53\u7c7b\u3002\u60a8\u53ef\u80fd\u8fd8\u60f3\u67e5\u770b\u6211\u4eec\u5173\u4e8e<a href=\"https:\/\/www.wpbeginner.com\/wp-themes\/how-to-style-each-wordpress-post-differently\/\">\u5982\u4f55\u4ee5\u4e0d\u540c\u65b9\u5f0f\u8bbe\u7f6e\u6bcf\u4e2a WordPress \u5e16\u5b50\u6837\u5f0f\u7684<\/a>\u6587\u7ae0\uff0c\u4ee5\u53ca\u6211\u4eec\u5bf9<a href=\"https:\/\/www.wpbeginner.com\/beginners-guide\/best-drag-and-drop-page-builders-for-wordpress\/\">\u6700\u4f73 WordPress \u9875\u9762\u6784\u5efa\u5668\u63d2\u4ef6<\/a>\u7684\u6bd4\u8f83\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u60a8\u662f\u4e00\u4f4d\u6709\u62b1\u8d1f\u7684 WordPress \u4e3b\u9898\u8bbe\u8ba1\u5e08\uff0c\u6b63\u5728\u5bfb\u627e\u5728\u4e3b\u9898\u4e2d\u4f7f\u7528 CSS \u7684\u65b0\u65b9\u6cd5\u5417\uff1f \u5e78\u8fd0\u7684\u662f\uff0cWor &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/wpeyes.com\/wordpress\/archives\/2955\"> <span class=\"screen-reader-text\">WordPress Body Class 101\uff1a\u4e3b\u9898\u8bbe\u8ba1\u5e08\u7684\u63d0\u793a\u548c\u6280\u5de7<\/span> Read More \u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":2957,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[29],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>WordPress Body Class 101\uff1a\u4e3b\u9898\u8bbe\u8ba1\u5e08\u7684\u63d0\u793a\u548c\u6280\u5de7 - WordPress\u4e2d\u6587<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wpeyes.com\/wordpress\/archives\/2955\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WordPress Body Class 101\uff1a\u4e3b\u9898\u8bbe\u8ba1\u5e08\u7684\u63d0\u793a\u548c\u6280\u5de7 - WordPress\u4e2d\u6587\" \/>\n<meta property=\"og:description\" content=\"\u60a8\u662f\u4e00\u4f4d\u6709\u62b1\u8d1f\u7684 WordPress \u4e3b\u9898\u8bbe\u8ba1\u5e08\uff0c\u6b63\u5728\u5bfb\u627e\u5728\u4e3b\u9898\u4e2d\u4f7f\u7528 CSS \u7684\u65b0\u65b9\u6cd5\u5417\uff1f \u5e78\u8fd0\u7684\u662f\uff0cWor &hellip; WordPress Body Class 101\uff1a\u4e3b\u9898\u8bbe\u8ba1\u5e08\u7684\u63d0\u793a\u548c\u6280\u5de7 Read More \u00bb\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wpeyes.com\/wordpress\/archives\/2955\" \/>\n<meta property=\"og:site_name\" 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