{"id":1855,"date":"2025-02-21T23:18:52","date_gmt":"2025-02-21T15:18:52","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1855"},"modified":"2025-02-21T23:18:52","modified_gmt":"2025-02-21T15:18:52","slug":"css3-%e5%a4%9a%e5%aa%92%e4%bd%93%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/21\/css3-%e5%a4%9a%e5%aa%92%e4%bd%93%e6%9f%a5%e8%af%a2\/","title":{"rendered":"CSS3 \u591a\u5a92\u4f53\u67e5\u8be2"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">CSS3 \u591a\u5a92\u4f53\u67e5\u8be2\uff08Media Queries\uff09\u662f\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u7684\u91cd\u8981\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u4f60\u4e3a\u4e0d\u540c\u7684\u8bbe\u5907\u3001\u5c4f\u5e55\u5c3a\u5bf8\u3001\u5206\u8fa8\u7387\u7b49\u6761\u4ef6\u8bbe\u7f6e\u4e0d\u540c\u7684\u6837\u5f0f\u3002\u901a\u8fc7\u591a\u5a92\u4f53\u67e5\u8be2\uff0c\u7f51\u9875\u80fd\u591f\u6839\u636e\u7528\u6237\u7684\u8bbe\u5907\u7279\u6027\uff08\u5982\u5c4f\u5e55\u5bbd\u5ea6\u3001\u8bbe\u5907\u7c7b\u578b\u3001\u5206\u8fa8\u7387\u7b49\uff09\u52a8\u6001\u5730\u8c03\u6574\u6837\u5f0f\uff0c\u4ece\u800c\u63d0\u4f9b\u6700\u4f73\u7684\u6d4f\u89c8\u4f53\u9a8c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u57fa\u7840\u8bed\u6cd5<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u5a92\u4f53\u67e5\u8be2\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@media &#91;\u5a92\u4f53\u7c7b\u578b] and (&#91;\u6761\u4ef6]) {\n  \/* \u6837\u5f0f\u89c4\u5219 *\/\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>@media<\/code>\uff1a\u5b9a\u4e49\u591a\u5a92\u4f53\u67e5\u8be2\u3002<\/li>\n\n\n\n<li><code>[\u5a92\u4f53\u7c7b\u578b]<\/code>\uff1a\u6307\u5b9a\u67e5\u8be2\u7684\u8bbe\u5907\u7c7b\u578b\uff08\u5982 <code>screen<\/code>, <code>print<\/code>, <code>all<\/code> \u7b49\uff09\u3002<\/li>\n\n\n\n<li><code>[\u6761\u4ef6]<\/code>\uff1a\u6307\u5b9a\u67e5\u8be2\u7684\u6761\u4ef6\uff08\u5982 <code>max-width<\/code>, <code>min-width<\/code> \u7b49\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u57fa\u7840\u591a\u5a92\u4f53\u67e5\u8be2<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>@media screen and (max-width: 600px) {\n  body {\n    background-color: lightblue;\n  }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u67e5\u8be2\u8868\u793a\u5f53\u5c4f\u5e55\u5bbd\u5ea6\u5c0f\u4e8e\u7b49\u4e8e 600px \u65f6\uff0c\u80cc\u666f\u8272\u4f1a\u53d8\u4e3a\u6d45\u84dd\u8272\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u5e38\u7528\u7684\u5a92\u4f53\u7279\u6027<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5a92\u4f53\u7279\u6027\uff0c\u7528\u4e8e\u63a7\u5236\u591a\u5a92\u4f53\u67e5\u8be2\u7684\u6761\u4ef6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5bbd\u5ea6\u548c\u9ad8\u5ea6<\/strong>\uff1a<\/li>\n\n\n\n<li><code>width<\/code>\uff1a\u8bbe\u5907\u7684\u5bbd\u5ea6\u3002<\/li>\n\n\n\n<li><code>height<\/code>\uff1a\u8bbe\u5907\u7684\u9ad8\u5ea6\u3002<\/li>\n\n\n\n<li><code>min-width<\/code>\uff1a\u8bbe\u5907\u5bbd\u5ea6\u7684\u6700\u5c0f\u503c\u3002<\/li>\n\n\n\n<li><code>max-width<\/code>\uff1a\u8bbe\u5907\u5bbd\u5ea6\u7684\u6700\u5927\u503c\u3002<\/li>\n\n\n\n<li><code>min-height<\/code>\uff1a\u8bbe\u5907\u9ad8\u5ea6\u7684\u6700\u5c0f\u503c\u3002<\/li>\n\n\n\n<li><code>max-height<\/code>\uff1a\u8bbe\u5907\u9ad8\u5ea6\u7684\u6700\u5927\u503c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u6839\u636e\u8bbe\u5907\u5bbd\u5ea6\u8c03\u6574\u6837\u5f0f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u5f53\u5c4f\u5e55\u5bbd\u5ea6\u5927\u4e8e\u7b49\u4e8e 768px \u65f6 *\/\n@media screen and (min-width: 768px) {\n  body {\n    font-size: 18px;\n  }\n}\n\n\/* \u5f53\u5c4f\u5e55\u5bbd\u5ea6\u5c0f\u4e8e 768px \u65f6 *\/\n@media screen and (max-width: 767px) {\n  body {\n    font-size: 14px;\n  }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bbe\u5907\u7c7b\u578b<\/strong>\uff1a<\/li>\n\n\n\n<li><code>screen<\/code>\uff1a\u8868\u793a\u7528\u4e8e\u67e5\u770b\u6587\u6863\u7684\u8bbe\u5907\uff08\u5982\u8ba1\u7b97\u673a\u5c4f\u5e55\u3001\u667a\u80fd\u624b\u673a\u7b49\uff09\u3002<\/li>\n\n\n\n<li><code>print<\/code>\uff1a\u8868\u793a\u6253\u5370\u65f6\u7684\u8bbe\u5907\u3002<\/li>\n\n\n\n<li><code>all<\/code>\uff1a\u5e94\u7528\u4e8e\u6240\u6709\u8bbe\u5907\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u9488\u5bf9\u6253\u5370\u8bbe\u5907\u8c03\u6574\u6837\u5f0f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>@media print {\n  body {\n    font-size: 12pt;\n    color: black;\n  }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5206\u8fa8\u7387<\/strong>\uff1a<\/li>\n\n\n\n<li><code>resolution<\/code>\uff1a\u8bbe\u5907\u7684\u5c4f\u5e55\u5206\u8fa8\u7387\uff0c\u901a\u5e38\u7528\u6765\u533a\u5206\u9ad8\u6e05\u663e\u793a\u5668\u548c\u666e\u901a\u663e\u793a\u5668\u3002<\/li>\n\n\n\n<li><code>min-resolution<\/code> \u548c <code>max-resolution<\/code> \u7528\u4e8e\u8bbe\u7f6e\u6700\u5c0f\u548c\u6700\u5927\u5206\u8fa8\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u6839\u636e\u5206\u8fa8\u7387\u8c03\u6574\u6837\u5f0f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u5f53\u5c4f\u5e55\u5206\u8fa8\u7387\u5927\u4e8e\u7b49\u4e8e 300dpi \u65f6 *\/\n@media screen and (min-resolution: 300dpi) {\n  img {\n    max-width: 100%;\n  }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bbe\u5907\u65b9\u5411<\/strong>\uff1a<\/li>\n\n\n\n<li><code>orientation<\/code>\uff1a\u8bbe\u5907\u7684\u65b9\u5411\uff0c\u901a\u5e38\u7528\u4e8e\u5e73\u677f\u6216\u624b\u673a\u7b49\u53ef\u65cb\u8f6c\u7684\u8bbe\u5907\u3002<\/li>\n\n\n\n<li><code>portrait<\/code>\uff1a\u7ad6\u5c4f\u3002<\/li>\n\n\n\n<li><code>landscape<\/code>\uff1a\u6a2a\u5c4f\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u6839\u636e\u8bbe\u5907\u65b9\u5411\u8bbe\u7f6e\u4e0d\u540c\u6837\u5f0f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u5f53\u8bbe\u5907\u5904\u4e8e\u7ad6\u5c4f\u65f6 *\/\n@media screen and (orientation: portrait) {\n  body {\n    font-size: 16px;\n  }\n}\n\n\/* \u5f53\u8bbe\u5907\u5904\u4e8e\u6a2a\u5c4f\u65f6 *\/\n@media screen and (orientation: landscape) {\n  body {\n    font-size: 18px;\n  }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u7ec4\u5408\u591a\u4e2a\u6761\u4ef6<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u901a\u8fc7 <code>and<\/code>\u3001<code>not<\/code> \u548c <code>only<\/code> \u6765\u7ec4\u5408\u591a\u4e2a\u67e5\u8be2\u6761\u4ef6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>and<\/code>\uff1a\u8fde\u63a5\u591a\u4e2a\u6761\u4ef6\uff0c\u8868\u793a\u540c\u65f6\u6ee1\u8db3\u591a\u4e2a\u6761\u4ef6\u3002<\/li>\n\n\n\n<li><code>not<\/code>\uff1a\u6392\u9664\u67d0\u4e9b\u6761\u4ef6\u3002<\/li>\n\n\n\n<li><code>only<\/code>\uff1a\u7528\u4e8e\u9488\u5bf9\u67d0\u4e9b\u7279\u5b9a\u8bbe\u5907\u8fdb\u884c\u67e5\u8be2\uff0c\u901a\u5e38\u4e0e <code>media<\/code> \u7c7b\u578b\u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u7ec4\u5408\u591a\u4e2a\u6761\u4ef6<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u4ec5\u5728\u5c4f\u5e55\u5bbd\u5ea6\u5927\u4e8e\u7b49\u4e8e 600px \u4e14\u5206\u8fa8\u7387\u5927\u4e8e\u7b49\u4e8e 2dppx \u65f6\u5e94\u7528 *\/\n@media screen and (min-width: 600px) and (min-resolution: 2dppx) {\n  body {\n    background-color: lightgreen;\n  }\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u6392\u9664\u67d0\u4e9b\u6761\u4ef6<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u6392\u9664\u5c4f\u5e55\u5bbd\u5ea6\u5c0f\u4e8e\u7b49\u4e8e 600px \u7684\u8bbe\u5907 *\/\n@media not all and (max-width: 600px) {\n  body {\n    background-color: lightyellow;\n  }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u4e2d\u7684\u5e94\u7528<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u5a92\u4f53\u67e5\u8be2\u5e38\u7528\u4e8e\u54cd\u5e94\u5f0f\u8bbe\u8ba1\uff0c\u4f7f\u5f97\u7f51\u9875\u80fd\u591f\u5728\u4e0d\u540c\u5c3a\u5bf8\u7684\u5c4f\u5e55\u4e0a\u90fd\u80fd\u826f\u597d\u663e\u793a\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u54cd\u5e94\u5f0f\u5e03\u5c40<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u9ed8\u8ba4\u6837\u5f0f *\/\n.container {\n  width: 100%;\n  display: flex;\n  flex-wrap: wrap;\n}\n\n\/* \u5f53\u5c4f\u5e55\u5bbd\u5ea6\u5927\u4e8e\u7b49\u4e8e 768px \u65f6 *\/\n@media screen and (min-width: 768px) {\n  .container {\n    width: 80%;\n    margin: 0 auto;\n  }\n}\n\n\/* \u5f53\u5c4f\u5e55\u5bbd\u5ea6\u5927\u4e8e\u7b49\u4e8e 1024px \u65f6 *\/\n@media screen and (min-width: 1024px) {\n  .container {\n    width: 70%;\n  }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>\u89c6\u53e3\u5355\u4f4d\u4e0e\u591a\u5a92\u4f53\u67e5\u8be2<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u5408\u89c6\u53e3\u5355\u4f4d\uff08<code>vw<\/code>, <code>vh<\/code>, <code>vmin<\/code>, <code>vmax<\/code>\uff09\u4e0e\u5a92\u4f53\u67e5\u8be2\u53ef\u4ee5\u4f7f\u9875\u9762\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u89c6\u53e3\u5355\u4f4d\u4e0e\u5a92\u4f53\u67e5\u8be2\u7ed3\u5408<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>@media screen and (max-width: 600px) {\n  .container {\n    width: 90vw; \/* \u4f7f\u7528\u89c6\u53e3\u5bbd\u5ea6\u7684 90% *\/\n  }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CSS3 \u591a\u5a92\u4f53\u67e5\u8be2\u662f\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u7684\u6838\u5fc3\u5de5\u5177\u4e4b\u4e00\u3002\u901a\u8fc7\u4f7f\u7528\u591a\u5a92\u4f53\u67e5\u8be2\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u8bbe\u5907\u3001\u5c4f\u5e55\u5c3a\u5bf8\u3001\u5206\u8fa8\u7387\u7b49\u6761\u4ef6\uff0c\u7075\u6d3b\u5730\u8c03\u6574\u7f51\u9875\u7684\u6837\u5f0f\uff0c\u786e\u4fdd\u9875\u9762\u5728\u5404\u79cd\u8bbe\u5907\u4e0a\u90fd\u6709\u6700\u4f73\u7684\u663e\u793a\u6548\u679c\u3002\u638c\u63e1\u591a\u5a92\u4f53\u67e5\u8be2\u80fd\u591f\u5e2e\u52a9\u4f60\u4e3a\u5404\u79cd\u8bbe\u5907\u63d0\u4f9b\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CSS3 \u591a\u5a92\u4f53\u67e5\u8be2\uff08Media Queries\uff09\u662f\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u7684\u91cd\u8981\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u4f60\u4e3a\u4e0d\u540c\u7684\u8bbe\u5907\u3001\u5c4f\u5e55\u5c3a\u5bf8\u3001\u5206\u8fa8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-1855","post","type-post","status-publish","format-standard","hentry","category-css"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1855"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1855\/revisions"}],"predecessor-version":[{"id":1856,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1855\/revisions\/1856"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}