{"id":222,"date":"2008-05-12T21:03:39","date_gmt":"2008-05-12T21:03:39","guid":{"rendered":"http:\/\/www.ddcat.net\/blog2009\/?p=222"},"modified":"2008-05-12T21:03:39","modified_gmt":"2008-05-12T21:03:39","slug":"45-%e7%bb%a7%e6%89%bf","status":"publish","type":"post","link":"http:\/\/www.ddcat.net\/blog\/index.php\/2008\/05\/12\/45-%e7%bb%a7%e6%89%bf\/","title":{"rendered":"4.5 \u7ee7\u627f"},"content":{"rendered":"<p>\u5728\u672c\u4e66\u7684[3.3.2\u7ee7\u627f\u4e0e\u5c42\u53e0]\u4e00\u8282\u66fe\u7ecf\u7b80\u8981\u4ecb\u7ecd\u8fc7\u7ee7\u627f\uff1a(X)HTML\u5143\u7d20\u53ef\u4ee5\u4ece\u5176\u7236\u5143\u7d20\u90a3\u91cc\u7ee7\u627f\u90e8\u5206CSS\u5c5e\u6027\uff0c\u5373\u4f7f\u5f53\u524d\u5143\u7d20\u5e76\u6ca1\u6709\u5b9a\u4e49\u8be5\u5c5e\u6027\u3002<\/p>\n<h3>4.5.1 \u503c\u7684\u7ee7\u627f<\/h3>\n<p>\u7ee7\u627f\u4e5f\u662f\u57fa\u4e8e\u6587\u6863\u6811\u7684\uff0c\u6587\u6863\u6811\u4e2d\u5143\u7d20\u7684\u67d0\u4e9b\u5c5e\u6027\u53ef\u4ee5\u88ab\u5176\u5b50\u5143\u7d20\u7ee7\u627f\uff0c\u6bcf\u4e00\u4e2aCSS\u5c5e\u6027\u90fd\u5b9a\u4e49\u4e86\u5b83\u80fd\u5426\u88ab\u7ee7\u627f\u3002\u4f8b\u5982\u6709\u4e0b\u5217\u4ee3\u7801\uff0c\u5176\u5728\u6d4f\u89c8\u5668\u5185\u663e\u793a\u5982\u56fe4-29\u6240\u793a\u3002<\/p>\n<p><!--more--><\/p>\n<div class=\"code\">\n<pre class=\"css\">p { color: green; }<\/pre>\n<pre class=\"html\">&lt;p&gt;\u6587\u6863\u6811\u4e2d\u4e00\u5143\u7d20\u7684&lt;strong&gt;\u67d0\u4e9b\u503c&lt;\/strong&gt;\u53ef\u4ee5\u88ab\u5176\u5b50\u5143\u7d20\u7ee7\u627f\u3002&lt;\/p&gt;<\/pre>\n<\/div>\n<div style=\"width: 418px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" title=\"\u56fe4-29 \u503c\u7684\u7ee7\u627f\" src=\"\/web\/css\/selectors\/029.gif\" alt=\"\" width=\"408\" height=\"202\" \/><p class=\"wp-caption-text\">\u56fe4-29 \u503c\u7684\u7ee7\u627f<\/p><\/div>\n<p>\u8981\u8bbe\u5b9a\u6587\u6863\u7684\u67d0\u4e9b\u7f3a\u7701\u6837\u5f0f\u5c5e\u6027\uff0c\u53ef\u4ee5\u5728\u6587\u6863\u6811\u7684\u6839\u4e0a\u8bbe\u5b9a\u8be5\u5c5e\u6027\uff0c\u5982\u679c\u8fd9\u4e2a\u5c5e\u6027\u53ef\u4ee5\u7ee7\u627f\uff0c\u5219\u5176\u540e\u4ee3\u5143\u7d20\u5c06\u7ee7\u627f\u8fd9\u4e2a\u5c5e\u6027\uff0c\u4f8b\u5982color\u3001font-size\u7b49\u5c5e\u6027\u3002\u5728(X)HTML\u4e2d\uff0c&lt;html&gt;\u6216&lt;body&gt;\u5143\u7d20\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<div class=\"code\">\n<pre class=\"css\">body { color: black; }<\/pre>\n<\/div>\n<p>\u7531\u4e8ecolor\u5c5e\u6027\u662f\u53ef\u7ee7\u627f\u7684\uff0c\u6240\u6709&lt;body&gt;\u5143\u7d20\u7684\u540e\u4ee3\u90fd\u7ee7\u627f\u989c\u8272\u503c\u4e3a\u201cblack\u201d\u3002<br \/>\n\u6307\u5b9a\u7684\u767e\u5206\u6bd4\u503c\u4e0d\u88ab\u7ee7\u627f\uff0c\u4f46\u662f\u8ba1\u7b97\u503c\u53ef\u4ee5\u88ab\u7ee7\u627f\u3002\u4f8b\u5982\uff1a<\/p>\n<div class=\"code\">\n<pre class=\"css\">body { font-size: 12px; }\nh1 { font-size: 120% }<\/pre>\n<pre class=\"html\">&lt;body&gt;\n  &lt;h1&gt;\u6807\u98981 \u7684&lt;em&gt;\u6587\u5b57&lt;\/em&gt;\u4f1a\u5927\u4e00\u4e9b&lt;\/h1&gt;\n  &lt;p&gt;\u6bb5\u843d\u7684\u6587\u5b57\u7ee7\u627fbody\u7684\u5b9a\u4e49&lt;\/p&gt;\n&lt;\/body&gt;<\/pre>\n<\/div>\n<p>&lt;h1&gt;\u5143\u7d20\u7684font-size\u5c5e\u6027\u7684\u8ba1\u7b97\u503c\u4e3a\u201c14.4px\u201d\uff08\u5176\u7236\u5143\u7d20\u503c12px\u7684120%\uff09\u3002\u7531\u4e8e\u201cfont-size\u201d\u7684\u8ba1\u7b97\u503c\u88ab\u7ee7\u627f\uff0c&lt;em&gt;\u5143\u7d20\u4e5f\u7ee7\u627f\u201c14.4px\u201d\u7684\u8ba1\u7b97\u503c\u3002\u4f46\u662f\u7531\u4e8e1\u4e2a\u50cf\u7d20\uff081px\uff09\u662f\u7535\u8111\u6700\u5c0f\u7684\u663e\u793a\u5355\u4f4d\uff0c\u4e0d\u53ef\u80fd\u663e\u793a\u201c0.4px\u201d\uff0c\u6240\u4ee5&lt;h1&gt;\u548c&lt;em&gt;\u5143\u7d20\u201cfont-size\u201d\u7684\u5b9e\u9645\u503c\u662f\u201c14px\u201d\u3002<\/p>\n<h3>4.5.2 \u201cinherit\u201d\u503c<\/h3>\n<p>\u6bcf\u4e00\u4e2a\u5c5e\u6027\u53ef\u4ee5\u6307\u5b9a\u503c\u4e3a\u201cinherit\u201d\uff0c\u5373\uff1a\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u5143\u7d20\uff0c\u8be5\u5c5e\u6027\u548c\u5b83\u7236\u5143\u7d20\u76f8\u5bf9\u5c5e\u6027\u7684\u8ba1\u7b97\u503c\u53d6\u4e00\u6837\u7684\u503c\u3002\u7ee7\u627f\u503c\u901a\u5e38\u53ea\u7528\u4f5c\u540e\u5907\u503c\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u663e\u5f0f\u5730\u6307\u5b9a\u201cinherit\u201d\u800c\u5f97\u5230\u52a0\u5f3a\uff0c\u4f8b\u5982\uff1a<\/p>\n<div class=\"code\">\n<pre class=\"css\">p { font-size: inherit; }<\/pre>\n<\/div>\n<h3>4.5.3 \u7ee7\u627f\u7684\u5c40\u9650\u6027<\/h3>\n<p>\u7ee7\u627f\u867d\u7136\u51cf\u5c11\u4e86\u91cd\u590d\u5b9a\u4e49\u7684\u9ebb\u70e6\uff0c\u4f46\u662f\uff0c\u6709\u4e9b\u5c5e\u6027\u662f\u4e0d\u80fd\u7ee7\u627f\u7684\uff0c\u4f8b\u5982border\uff08\u8fb9\u6846\uff09\u3001margin\uff08\u8fb9\u8ddd\uff09\u3001padding\uff08\u8865\u767d\uff09\u548c\u80cc\u666f\u7b49\u3002<br \/>\n\u8fd9\u6837\u8bbe\u5b9a\u662f\u6709\u9053\u7406\u7684\uff0c\u4f8b\u5982\uff0c\u4e3a\u4e00\u4e2a&lt;div&gt;\u8bbe\u5b9a\u4e86\u8fb9\u6846\uff0c\u5982\u679c\u6b64\u5c5e\u6027\u4e5f\u7ee7\u627f\u7684\u8bdd\uff0c\u90a3\u4e48\u5728\u8fd9\u4e2a&lt;div&gt;\u5185\u6240\u6709\u7684\u5143\u7d20\u90fd\u4f1a\u6709\u8fb9\u6846\uff0c\u8fd9\u65e0\u7591\u4f1a\u4ea7\u751f\u4e00\u4e2a\u8ba9\u4eba\u773c\u82b1\u7f2d\u4e71\u7684\u7ed3\u679c\u3002\u540c\u6837\u7684\uff0c\u5f71\u54cd\u5143\u7d20\u4f4d\u7f6e\u7684\u5c5e\u6027\uff0c\u4f8b\u5982margin\uff08\u8fb9\u8ddd\uff09\u548cpadding\uff08\u8865\u767d\uff09\uff0c\u4e5f\u4e0d\u4f1a\u88ab\u7ee7\u627f\u3002<br \/>\n\u540c\u65f6\uff0c\u6d4f\u89c8\u5668\u7684\u7f3a\u7701\u6837\u5f0f\u4e5f\u5728\u5f71\u54cd\u7740\u7ee7\u627f\u7684\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n<div class=\"code\">\n<pre class=\"css\">body { font-size: 12px; }<\/pre>\n<pre class=\"html\">&lt;h2&gt;2\u7ea7\u6807\u9898\u7684\u6587\u5b57\u4e0d\u662f12px\u3002&lt;\/h2&gt;<\/pre>\n<\/div>\n<p>\u8fd9\u662f\u56e0\u4e3a\u6d4f\u89c8\u5668\u7684\u7f3a\u7701\u6837\u5f0f\u8bbe\u5b9a\u4e86&lt;h2&gt;\u7684CSS\u89c4\u5219\u3002<br \/>\n\u540c\u65f6\uff0c\u6709\u4e9b\u8001\u7248\u672c\u7684\u6d4f\u89c8\u5668\u53ef\u80fd\u5bf9\u7ee7\u627f\u652f\u6301\u7684\u4e0d\u592a\u597d\uff0c\u4f8b\u5982\u67d0\u4e9b\u6d4f\u89c8\u5668\u5f53\u9047\u5230&lt;table&gt;\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u4e22\u5931\u6240\u6709\u7684\u7ee7\u627f\u7684\u5c5e\u6027\uff0c\u4f8b\u5982\u5982\u4e0b\u4ee3\u7801\uff0c\u5728IE 5.5\u4e2d\u663e\u793a\u5982\u56fe4-30\u6240\u793a\u3002<\/p>\n<div class=\"code\">\n<pre class=\"css\">body { font-size: 12px; }<\/pre>\n<pre class=\"html\">&lt;p&gt;\u6bb5\u843d\u7684\u6587\u5b57\u7ee7\u627fbody\u7684\u5b9a\u4e49&lt;\/p&gt;\n&lt;table&gt;\n  &lt;tr&gt;\n        &lt;td&gt;\u5355\u5143\u683c&lt;\/td&gt;\n        &lt;td&gt;\u5355\u5143\u683c&lt;\/td&gt;\n  &lt;\/tr&gt;\n&lt;\/table&gt;<\/pre>\n<\/div>\n<div style=\"width: 340px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" title=\"\u56fe4-30 IE 5.5\u4e2d\u8868\u683c\u6ca1\u6709\u7ee7\u627f&lt;body&gt;\u7684\u5c5e\u6027\" src=\"\/web\/css\/selectors\/030.gif\" alt=\"\" width=\"330\" height=\"213\" \/><p class=\"wp-caption-text\">\u56fe4-30 IE 5.5\u4e2d\u8868\u683c\u6ca1\u6709\u7ee7\u627f\u7684\u5c5e\u6027<\/p><\/div>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u8981\u7167\u987e\u5230\u8fd9\u4e9b\u8001\u7248\u672c\u7684\u6d4f\u89c8\u5668\uff0c\u5219\u53ef\u80fd\u9700\u8981\u5982\u4e0b\u5b9a\u4e49\uff1a<\/p>\n<div class=\"code\">\n<pre class=\"css\">body, table, th, td { \u2026\u2026 }<\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>(X)HTML\u5143\u7d20\u53ef\u4ee5\u4ece\u5176\u7236\u5143\u7d20\u90a3\u91cc\u7ee7\u627f\u90e8\u5206CSS\u5c5e\u6027\uff0c\u5373\u4f7f\u5f53\u524d\u5143\u7d20\u5e76\u6ca1\u6709\u5b9a\u4e49\u8be5\u5c5e\u6027\u3002\u6837\u7ae0\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,4,20],"tags":[44,222,289],"class_list":["post-222","post","type-post","status-publish","format-standard","hentry","category-web","category-biejuguangmang","category-web-css","tag-css","tag-222","tag-289"],"_links":{"self":[{"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/posts\/222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=222"}],"version-history":[{"count":0,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/posts\/222\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=222"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}