{"id":15011,"date":"2024-09-20T09:19:01","date_gmt":"2024-09-20T01:19:01","guid":{"rendered":"https:\/\/fgchen.com\/wpedu\/?p=15011"},"modified":"2026-03-30T14:29:37","modified_gmt":"2026-03-30T06:29:37","slug":"css-%e7%9a%84%e6%a6%82%e5%bf%b5%e5%92%8c%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fgchen.com\/wpedu\/2024\/09\/css-%e7%9a%84%e6%a6%82%e5%bf%b5%e5%92%8c%e6%87%89%e7%94%a8\/","title":{"rendered":"CSS \u7684\u6982\u5ff5\u548c\u61c9\u7528"},"content":{"rendered":"<h1>CSS \u57fa\u790e\u6559\u5b78<\/h1>\n<h2>1. CSS \u662f\u4ec0\u9ebc\uff1f<\/h2>\n<p><strong>CSS<\/strong>\uff08Cascading Style Sheets\uff0c\u5c64\u758a\u6a23\u5f0f\u8868\uff09\u662f\u4e00\u7a2e\u7528\u4f86\u63a7\u5236 HTML \u6587\u4ef6\u5916\u89c0\u7684\u8a9e\u8a00\u3002\u5b83\u53ef\u4ee5\u70ba\u7db2\u9801\u63d0\u4f9b\u6a23\u5f0f\uff0c\u5982\u984f\u8272\u3001\u5b57\u578b\u3001\u7248\u9762\u5e03\u5c40\u7b49\uff0c\u4f7f\u7db2\u9801\u66f4\u52a0\u7f8e\u89c0\u548c\u7b26\u5408\u8a2d\u8a08\u9700\u6c42\u3002<\/p>\n<h3>CSS \u8207 HTML \u7684\u5340\u5225<\/h3>\n<ul>\n<li><strong>HTML<\/strong> \u8ca0\u8cac\u7d50\u69cb\u548c\u5167\u5bb9\uff0c\u6c7a\u5b9a\u4e86\u7db2\u9801\u4e0a\u986f\u793a\u7684\u6587\u5b57\u548c\u5716\u50cf\u3002<\/li>\n<li><strong>CSS<\/strong> \u5247\u63a7\u5236\u9019\u4e9b\u5167\u5bb9\u7684\u5448\u73fe\u65b9\u5f0f\uff0c\u5982\u5b57\u9ad4\u984f\u8272\u3001\u5927\u5c0f\u3001\u6392\u7248\u3001\u908a\u6846\u7b49\u3002<\/li>\n<\/ul>\n<h3>\u4f8b\u5b50\uff1a<\/h3>\n<pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;zh-Hant&quot;&gt;\n&lt;head&gt;\n    &lt;meta charset=&quot;UTF-8&quot;&gt;\n    &lt;title&gt;CSS \u7bc4\u4f8b&lt;\/title&gt;\n    &lt;style&gt;\n        h1 {\n            color: blue;  \/* \u8a2d\u5b9a\u6a19\u984c\u7684\u984f\u8272\u70ba\u85cd\u8272 *\/\n        }\n        p {\n            font-size: 18px;  \/* \u8a2d\u5b9a\u6bb5\u843d\u6587\u5b57\u5927\u5c0f\u70ba18\u50cf\u7d20 *\/\n        }\n    &lt;\/style&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;h1&gt;\u9019\u662f\u6a19\u984c&lt;\/h1&gt;\n    &lt;p&gt;\u9019\u662f\u4e00\u6bb5\u6587\u5b57\u3002&lt;\/p&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<h2>2. CSS \u8a9e\u6cd5<\/h2>\n<p>CSS \u7684\u57fa\u672c\u8a9e\u6cd5\u7531\u4e09\u500b\u90e8\u5206\u7d44\u6210\uff1a\u9078\u64c7\u5668\uff08selector\uff09\u3001\u5c6c\u6027\uff08property\uff09\u3001\u503c\uff08value\uff09\u3002<\/p>\n<pre><code class=\"language-css\">\u9078\u64c7\u5668 {\n    \u5c6c\u6027: \u503c;\n}<\/code><\/pre>\n<h3>\u7bc4\u4f8b\uff1a<\/h3>\n<pre><code class=\"language-css\">p {\n    color: red;       \/* \u8a2d\u5b9a\u6bb5\u843d\u6587\u5b57\u984f\u8272\u70ba\u7d05\u8272 *\/\n    font-size: 16px;  \/* \u8a2d\u5b9a\u6bb5\u843d\u6587\u5b57\u5927\u5c0f\u70ba16\u50cf\u7d20 *\/\n}<\/code><\/pre>\n<ul>\n<li><strong>\u9078\u64c7\u5668\uff08Selector\uff09<\/strong>\uff1a\u6307\u5b9a\u8981\u5957\u7528\u6a23\u5f0f\u7684 HTML \u5143\u7d20\uff0c\u4f8b\u5982 <code>p<\/code> \u4ee3\u8868\u6bb5\u843d\u5143\u7d20\u3002<\/li>\n<li><strong>\u5c6c\u6027\uff08Property\uff09<\/strong>\uff1a\u8981\u4fee\u6539\u7684\u6a23\u5f0f\u5c6c\u6027\uff0c\u4f8b\u5982 <code>color<\/code> \u4ee3\u8868\u6587\u5b57\u984f\u8272\u3002<\/li>\n<li><strong>\u503c\uff08Value\uff09<\/strong>\uff1a\u5c6c\u6027\u7684\u65b0\u503c\uff0c\u4f8b\u5982 <code>red<\/code> \u8868\u793a\u7d05\u8272\u3002<\/li>\n<\/ul>\n<h2>3. \u5982\u4f55\u5f15\u5165 CSS<\/h2>\n<p>\u5f15\u5165 CSS \u6709\u4e09\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3>1. <strong>\u5167\u806f\u6a23\u5f0f\uff08Inline CSS\uff09<\/strong><\/h3>\n<p>\u76f4\u63a5\u5728 HTML \u6a19\u7c64\u7684 <code>style<\/code> \u5c6c\u6027\u4e2d\u7de8\u5beb CSS\u3002<\/p>\n<pre><code class=\"language-html\">&lt;p style=&quot;color: blue; font-size: 18px;&quot;&gt;\u9019\u662f\u4e00\u6bb5\u6587\u5b57\u3002&lt;\/p&gt;<\/code><\/pre>\n<h3>2. <strong>\u5167\u90e8\u6a23\u5f0f\uff08Internal CSS\uff09<\/strong><\/h3>\n<p>\u5728 HTML \u6587\u4ef6\u7684 <code>&lt;head&gt;<\/code> \u5340\u584a\u4e2d\u4f7f\u7528 <code>&lt;style&gt;<\/code> \u6a19\u7c64\u3002<\/p>\n<pre><code class=\"language-html\">&lt;head&gt;\n    &lt;style&gt;\n        p {\n            color: blue;\n            font-size: 18px;\n        }\n    &lt;\/style&gt;\n&lt;\/head&gt;<\/code><\/pre>\n<h3>3. <strong>\u5916\u90e8\u6a23\u5f0f\u8868\uff08External CSS\uff09<\/strong><\/h3>\n<p>\u5c07 CSS \u5beb\u5728\u7368\u7acb\u7684 <code>.css<\/code> \u6a94\u6848\u4e2d\uff0c\u4e26\u5728 HTML \u6587\u4ef6\u4e2d\u901a\u904e <code>&lt;link&gt;<\/code> \u6a19\u7c64\u5f15\u5165\u3002<\/p>\n<pre><code class=\"language-html\">&lt;head&gt;\n    &lt;link rel=&quot;stylesheet&quot; href=&quot;styles.css&quot;&gt;\n&lt;\/head&gt;<\/code><\/pre>\n<p>\u5728 <code>styles.css<\/code> \u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre><code class=\"language-css\">p {\n    color: blue;\n    font-size: 18px;\n}<\/code><\/pre>\n<h2>4. \u5e38\u898b\u7684 CSS \u5c6c\u6027<\/h2>\n<h3>\u6587\u5b57\u6a23\u5f0f<\/h3>\n<ul>\n<li><code>color<\/code>\uff1a\u8a2d\u5b9a\u6587\u5b57\u984f\u8272\u3002\n<pre><code class=\"language-css\">color: blue;<\/code><\/pre>\n<\/li>\n<li><code>font-size<\/code>\uff1a\u8a2d\u5b9a\u6587\u5b57\u5927\u5c0f\u3002\n<pre><code class=\"language-css\">font-size: 16px;<\/code><\/pre>\n<\/li>\n<li><code>font-family<\/code>\uff1a\u8a2d\u5b9a\u5b57\u9ad4\u3002\n<pre><code class=\"language-css\">font-family: Arial, sans-serif;<\/code><\/pre>\n<\/li>\n<li><code>font-weight<\/code>\uff1a\u8a2d\u5b9a\u5b57\u9ad4\u7c97\u7d30\u3002\n<pre><code class=\"language-css\">font-weight: bold;<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3>\u76d2\u6a21\u578b\uff08Box Model\uff09<\/h3>\n<p>CSS \u7684\u76d2\u6a21\u578b\u5b9a\u7fa9\u4e86\u7db2\u9801\u5143\u7d20\u7684\u5927\u5c0f\u548c\u9593\u8ddd\uff0c\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\uff1a<\/p>\n<ol>\n<li><strong>\u5167\u5bb9\u5340\u57df\uff08Content\uff09<\/strong>\uff1a\u5143\u7d20\u7684\u5be6\u969b\u5167\u5bb9\uff0c\u5982\u6587\u5b57\u6216\u5716\u7247\u3002<\/li>\n<li><strong>\u5167\u908a\u8ddd\uff08Padding\uff09<\/strong>\uff1a\u5167\u5bb9\u8207\u908a\u6846\u4e4b\u9593\u7684\u8ddd\u96e2\u3002<\/li>\n<li><strong>\u908a\u6846\uff08Border\uff09<\/strong>\uff1a\u5305\u570d\u5167\u5bb9\u548c\u5167\u908a\u8ddd\u7684\u6846\u7dda\u3002<\/li>\n<li><strong>\u5916\u908a\u8ddd\uff08Margin\uff09<\/strong>\uff1a\u5143\u7d20\u8207\u5176\u4ed6\u5143\u7d20\u4e4b\u9593\u7684\u8ddd\u96e2\u3002<\/li>\n<\/ol>\n<h3>\u7bc4\u4f8b\uff1a<\/h3>\n<pre><code class=\"language-css\">div {\n    width: 200px;\n    padding: 10px;   \/* \u5167\u908a\u8ddd *\/\n    border: 2px solid black;  \/* \u908a\u6846 *\/\n    margin: 20px;    \/* \u5916\u908a\u8ddd *\/\n}<\/code><\/pre>\n<h3>\u4f48\u5c40\u5c6c\u6027<\/h3>\n<ul>\n<li>\n<p><code>display<\/code>\uff1a\u63a7\u5236\u5143\u7d20\u7684\u986f\u793a\u884c\u70ba\u3002<\/p>\n<pre><code class=\"language-css\">display: block;   \/* \u5143\u7d20\u7368\u4f54\u4e00\u884c *\/\ndisplay: inline;  \/* \u5143\u7d20\u8207\u5176\u4ed6\u5143\u7d20\u540c\u4e00\u884c\u986f\u793a *\/<\/code><\/pre>\n<\/li>\n<li>\n<p><code>position<\/code>\uff1a\u8a2d\u5b9a\u5143\u7d20\u7684\u4f4d\u7f6e\u65b9\u5f0f\u3002<\/p>\n<pre><code class=\"language-css\">position: relative;  \/* \u76f8\u5c0d\u65bc\u6b63\u5e38\u4f4d\u7f6e *\/\nposition: absolute;  \/* \u76f8\u5c0d\u65bc\u6700\u8fd1\u7684\u7236\u5143\u7d20 *\/<\/code><\/pre>\n<\/li>\n<li>\n<p><code>float<\/code>\uff1a\u8b93\u5143\u7d20\u5de6\u53f3\u6d6e\u52d5\u3002<\/p>\n<pre><code class=\"language-css\">float: left;   \/* \u5143\u7d20\u5411\u5de6\u6d6e\u52d5 *\/\nfloat: right;  \/* \u5143\u7d20\u5411\u53f3\u6d6e\u52d5 *\/<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2>5. \u9078\u64c7\u5668\uff08Selectors\uff09<\/h2>\n<p>CSS \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u5668\u4f86\u9078\u53d6 HTML \u5143\u7d20\uff1a<\/p>\n<h3>\u57fa\u672c\u9078\u64c7\u5668\uff1a<\/h3>\n<ul>\n<li>\n<p><strong>\u5143\u7d20\u9078\u64c7\u5668<\/strong>\uff1a\u76f4\u63a5\u9078\u64c7\u5143\u7d20\u3002<\/p>\n<pre><code class=\"language-css\">h1 {\n  color: green;\n}<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>\u985e\u9078\u64c7\u5668<\/strong>\uff1a\u9078\u64c7\u64c1\u6709\u7279\u5b9a class \u5c6c\u6027\u7684\u5143\u7d20\u3002<\/p>\n<pre><code class=\"language-css\">.classname {\n  background-color: yellow;\n}<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>ID \u9078\u64c7\u5668<\/strong>\uff1a\u9078\u64c7\u64c1\u6709\u7279\u5b9a ID \u7684\u5143\u7d20\uff0c\u6ce8\u610f ID \u5fc5\u9808\u662f\u552f\u4e00\u7684\u3002<\/p>\n<pre><code class=\"language-css\">#idname {\n  font-size: 20px;\n}<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3>\u8907\u5408\u9078\u64c7\u5668\uff1a<\/h3>\n<ul>\n<li>\n<p><strong>\u7fa4\u7d44\u9078\u64c7\u5668<\/strong>\uff1a\u70ba\u591a\u500b\u5143\u7d20\u61c9\u7528\u76f8\u540c\u7684\u6a23\u5f0f\u3002<\/p>\n<pre><code class=\"language-css\">h1, p {\n  color: red;\n}<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>\u5f8c\u4ee3\u9078\u64c7\u5668<\/strong>\uff1a\u9078\u64c7\u67d0\u5143\u7d20\u7684\u6240\u6709\u5f8c\u4ee3\u5143\u7d20\u3002<\/p>\n<pre><code class=\"language-css\">div p {\n  color: blue;\n}<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>\u5b50\u9078\u64c7\u5668<\/strong>\uff1a\u9078\u64c7\u67d0\u5143\u7d20\u7684\u76f4\u63a5\u5b50\u5143\u7d20\u3002<\/p>\n<pre><code class=\"language-css\">div > p {\n  font-size: 14px;\n}<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2>6. CSS \u5c64\u758a\u548c\u512a\u5148\u7d1a<\/h2>\n<p>\u7576\u591a\u500b\u6a23\u5f0f\u885d\u7a81\u6642\uff0cCSS \u6703\u6839\u64da\u4ee5\u4e0b\u898f\u5247\u4f86\u6c7a\u5b9a\u54ea\u500b\u6a23\u5f0f\u512a\u5148\u61c9\u7528\uff1a<\/p>\n<ol>\n<li><strong>\u91cd\u8981\u6027<\/strong>\uff1a\u4f7f\u7528 <code>!important<\/code> \u7684\u6a23\u5f0f\u5177\u6709\u6700\u9ad8\u512a\u5148\u7d1a\u3002<\/li>\n<li><strong>\u5177\u9ad4\u6027<\/strong>\uff1aID \u9078\u64c7\u5668\u6bd4\u985e\u9078\u64c7\u5668\u5177\u9ad4\uff0c\u985e\u9078\u64c7\u5668\u53c8\u6bd4\u5143\u7d20\u9078\u64c7\u5668\u5177\u9ad4\u3002<\/li>\n<li><strong>\u4f86\u6e90\u9806\u5e8f<\/strong>\uff1a\u7576\u5177\u9ad4\u6027\u76f8\u540c\u6642\uff0c\u5f8c\u9762\u5b9a\u7fa9\u7684\u6a23\u5f0f\u6703\u8986\u84cb\u524d\u9762\u7684\u6a23\u5f0f\u3002<\/li>\n<\/ol>\n<h3>\u4f8b\u5b50\uff1a<\/h3>\n<pre><code class=\"language-css\">p {\n    color: red;\n}\n\n#myparagraph {\n    color: blue;  \/* ID \u9078\u64c7\u5668\u7684\u512a\u5148\u7d1a\u66f4\u9ad8 *\/\n}\n\np {\n    color: green !important;  \/* \u4f7f\u7528\u4e86 !important\uff0c\u5f37\u5236\u61c9\u7528\u9019\u500b\u6a23\u5f0f *\/\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5373\u4f7f\u6709 ID \u9078\u64c7\u5668\uff0c\u6bb5\u843d\u7684\u984f\u8272\u6700\u7d42\u6703\u88ab\u8a2d\u70ba\u7da0\u8272\uff0c\u56e0\u70ba <code>!important<\/code> \u512a\u5148\u7d1a\u6700\u9ad8\u3002<\/p>\n<hr \/>\n<h2>\u7e3d\u7d50<\/h2>\n<p>CSS \u662f\u63a7\u5236\u7db2\u9801\u6a23\u5f0f\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u7406\u89e3\u57fa\u672c\u7684 CSS \u8a9e\u6cd5\u3001\u9078\u64c7\u5668\u3001\u5c6c\u6027\uff0c\u4ee5\u53ca\u904b\u7528\u4f48\u5c40\u548c\u76d2\u6a21\u578b\u6982\u5ff5\uff0c\u4f60\u53ef\u4ee5\u8a2d\u8a08\u51fa\u66f4\u5177\u5438\u5f15\u529b\u548c\u5be6\u7528\u6027\u7684\u7db2\u9801\u3002\u96a8\u8457\u5b78\u7fd2\u6df1\u5165\uff0c\u9084\u53ef\u4ee5\u63a2\u7d22\u66f4\u9032\u968e\u7684 CSS \u6280\u8853\uff0c\u5982 CSS \u52d5\u756b\u3001Flexbox\u3001Grid \u7b49\uff0c\u9019\u4e9b\u6280\u8853\u5c07\u9032\u4e00\u6b65\u8c50\u5bcc\u7db2\u9801\u8a2d\u8a08\u7684\u53ef\u80fd\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CSS \u57fa\u790e\u6559\u5b78 1. CSS \u662f\u4ec0\u9ebc\uff1f CSS\uff08Cascading Style &hellip; <\/p>\n","protected":false},"author":1,"featured_media":14977,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[266],"tags":[],"class_list":["post-15011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-266"],"_links":{"self":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/15011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/comments?post=15011"}],"version-history":[{"count":1,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/15011\/revisions"}],"predecessor-version":[{"id":15012,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/15011\/revisions\/15012"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media\/14977"}],"wp:attachment":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media?parent=15011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/categories?post=15011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/tags?post=15011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}