{"id":121,"date":"2006-08-28T13:15:03","date_gmt":"2006-08-28T13:15:03","guid":{"rendered":"http:\/\/www.ddcat.net\/blog2009\/?p=121"},"modified":"2006-08-28T13:15:03","modified_gmt":"2006-08-28T13:15:03","slug":"css%e4%b8%ad%e7%9a%84%e5%ae%9a%e4%bd%8d%ef%bc%88position%ef%bc%89","status":"publish","type":"post","link":"http:\/\/www.ddcat.net\/blog\/index.php\/2006\/08\/28\/css%e4%b8%ad%e7%9a%84%e5%ae%9a%e4%bd%8d%ef%bc%88position%ef%bc%89\/","title":{"rendered":"CSS\u4e2d\u7684\u5b9a\u4f4d\uff08position\uff09"},"content":{"rendered":"

\u4f7f\u7528CSS\u6765\u5b9a\u4f4d\u9875\u9762\u5185\u5c42\u7684\u4f4d\u7f6e\uff0c\u4e00\u76f4\u662f\u6bd4\u8f83\u96be\u4ee5\u638c\u63e1\u7684\u4e8b\u60c5\uff0c\u5f88\u591a\u65f6\u5019\uff0c\u5f80\u5f80\u88ab\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\uff0c\u603b\u662f\u4ee5\u6d4f\u89c8\u5668\u7684\u5de6\u4e0a\u89d2\u4e3a\u5750\u6807\u539f\u70b9\uff0c\u6b64\u65f6\uff0c\u5982\u679c\u6d4f\u89c8\u5668\u7684\u5927\u5c0f\u6539\u53d8\uff0c\u88ab\u5b9a\u4e49\u7684\u5c42\u5c31\u4f1a\u504f\u79bb\u8bbe\u8ba1\u60f3\u8981\u7684\u4f4d\u7f6e\uff0c\u8ba9\u4eba\u5f88\u6320\u5934\u3002<\/p>\n

\u5176\u5b9e\uff0c\u8981\u60f3\u63a7\u5236\u597d\u5c42\u7684\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u53ea\u8981\u7406\u89e3CSS\u4e2d\u5173\u4e8e\u5b9a\u4f4d\uff08position\uff09\u7684\u5b9a\u4e49\uff0c\u4e00\u5207\u5c31\u4f1a\u53d8\u5f97\u8f7b\u677e\u7b80\u5355\u3002<\/p>\n

<\/p>\n

CSS\u4e2d\u5173\u4e8e\u5b9a\u4f4d\uff08position\uff09\u662f\u8fd9\u6837\u5b9a\u4e49\u7684\uff1a<\/p>\n

\u5b9a\u4f4d\uff08position\uff09<\/strong>\u5141\u8bb8\u7528\u6237\u7cbe\u786e\u5b9a\u4e49\u5143\u7d20\u6846\u51fa\u73b0\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u76f8\u5bf9\u4e8e\u5b83\u901a\u5e38\u51fa\u73b0\u7684\u4f4d\u7f6e\uff0c\u76f8\u5bf9\u4e8e\u5176\u4e0a\u7ea7\u5143\u7d20\uff0c\u76f8\u5bf9\u4e8e\u53e6\u4e00\u4e2a\u5143\u7d20\uff0c\u6216\u8005\u76f8\u5bf9\u4e8e\u6d4f\u89c8\u5668\u89c6\u7a97\u672c\u8eab\u3002\u6bcf\u4e2a\u663e\u793a\u5143\u7d20\u90fd\u53ef\u4ee5\u7528\u5b9a\u4f4d\u7684\u65b9\u6cd5\u6765\u63cf\u8ff0\uff0c\u800c\u5176\u4f4d\u7f6e\u7531\u6b64\u5143\u7d20\u7684\u5305\u542b\u5757\u6765\u51b3\u5b9a\u7684\u3002<\/p>\n

\u5305\u542b\u5757\uff08containing block\uff09<\/strong>\u662f\u683c\u5f0f\u7f16\u6392\u53d1\u751f\u7684\u5173\u8054\u573a\u666f\uff0c\u4f8b\u5982\uff0c\u4e00\u4e2a\u52a0\u7c97\u7684\u5143\u7d20\u7684\u5305\u542b\u5757\u53ef\u4ee5\u662f\u8be5\u5143\u7d20\u6240\u51fa\u73b0\u7684\u6bb5\u843d\uff0c\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\"\"<\/p>\n

\u5728\u7406\u89e3\u5b9a\u4f4d\u4e4b\u524d\uff0c\u9996\u5148\uff0c\u8981\u5148\u7406\u89e3HTML\u6587\u4ef6\u7684\u7ed3\u6784\uff0c\u4f8b\u5982\u6709\u4e00\u4e2ahtml\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n

\n
<html>\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=gb2312\" \/>\n<title>\u6587\u6863\u7ed3\u6784<\/title>\n<\/head>\n<body>\n<h1>CSS\u89c4\u5219<\/h1>\n<p>\u6837\u5f0f\u8868\u7531\u4e00\u4e9b<strong>\u6837\u5f0f\u89c4\u5219<\/strong>\u7ec4\u6210\u3002<\/p>\n<ul>\n  <li>\u9009\u62e9\u7b26\n    <ul>\n      <li>\u7c7b\u9009\u62e9\u7b26<\/li>\n      <li>ID\u9009\u62e9\u7b26<\/li>\n      <li><em>\u5305\u542b<\/em>\u9009\u62e9\u7b26<\/li>\n    <\/ul>\n  <\/li>\n  <li>\u5c5e\u6027<\/li>\n  <li>\u503c<\/li>\n<\/ul>\n<\/ul>\n<\/body>\n<\/html><\/pre>\n<\/div>\n
\u6b64\u6587\u6863\u5bf9\u5e94\u7684\u6811\u578b\u7ed3\u6784\uff0c\u5982\u56fe2\u6240\u793a\u3002<\/p>\n
\"\"<\/p>\n
CSS\u5927\u90e8\u5206\u80fd\u529b\u662f\u57fa\u4e8e\u5143\u7d20\u7684\u201c\u7236\u5b50\u201d\u5173\u7cfb\uff0c\u5728\u56fe2\u7684\u5bb6\u65cf\u6811\u4e2d\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u53e6\u4e00\u4e2a\u5143\u7d20\u7684\u201c\u7236\u201d\u6216\u8005\u201c\u5b50\u201d\u6216\u80052\u8005\u90fd\u662f\u3002\u4f8b\u5982\uff1abody\u65e2\u662fhtml\u7684\u5b50\u5143\u7d20\uff0c\u53c8\u662fh1\u7684\u7236\u5143\u7d20\uff0c\u800chtml\u5c31\u662fh1\u7684\u7956\u5148\uff0ch1\u5219\u662fhtml\u7684\u5b50\u5b59\u3002<\/p>\n
Body\u662f\u6240\u6709\u6d4f\u89c8\u5668\u80fd\u663e\u793a\u7684\u5143\u7d20\u7684\u7956\u5148\uff0c\u800chtml\u662f\u6240\u6709\u5143\u7d20\u7684\u7956\u5148\uff0c\u4e5f\u79f0\u4e3a\u201c\u6839\u5143\u7d20\u201d\u3002<\/p>\n
\u90a3\u4e3a\u4ec0\u4e48\u5b9a\u4f4d\u4e86\u7684\u5143\u7d20\u8fd8\u603b\u662f\u4ee5\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u5de6\u4e0a\u89d2\u4e3a\u5750\u6807\u5462\uff1f\u56e0\u4e3a\u5e76\u4e0d\u662f\u6bcf\u4e2a\u5143\u7d20\u90fd\u80fd\u4e3a\u5176\u540e\u8f88\u5143\u7d20\u751f\u6210\u4e00\u4e2a\u5305\u542b\u5757\u3002<\/p>\n
\u5efa\u7acb\u5305\u542b\u5757\u7684\u89c4\u5219\u5982\u4e0b\uff1a<\/p>\n
    \n
  1. \u6839\u5143\u7d20\u201d\u7684\u5305\u542b\u5757\uff08\u4e5f\u53eb\u521d\u59cb\u5305\u542b\u5757\uff09\u7531\u7528\u6237\u4ee3\u7406\u751f\u6210\uff0c\u5728HTML\u4e2d\uff0c\u6839\u5143\u7d20\u662fHTML\u5143\u7d20\uff0c\u5c3d\u7ba1\u6709\u7684\u6d4f\u89c8\u5668\u4f1a\u4e0d\u6b63\u786e\u5730\u4f7f\u7528body\u5143\u7d20\u3002<\/li>\n
  2. \u5bf9\u4e8e\u90a3\u4e9b\u672a\u7edd\u5bf9\u5b9a\u4f4d\u7684\u975e\u6839\u5143\u7d20\u6765\u8bf4\uff0c\u5143\u7d20\u7684\u5305\u542b\u5757\u8bbe\u7f6e\u4e3a\u6700\u8fd1\u7684\u5757\u7ea7\u7956\u5148\u5143\u7d20\u7684\u5185\u5bb9\u533a\u8fb9\u6cbf\u3002<\/li>\n
  3. \u5bf9\u90a3\u4e9b\u4f7f\u7528\u7edd\u5bf9\uff08absolute\uff09\u4f5c\u4e3a\u5b9a\u4f4d\uff08postition\uff09\u7684\u975e\u6839\u5143\u7d20\uff0c\u5305\u542b\u5757\u8bbe\u4e3a\u6700\u8fd1\u7684\u5b9a\u4f4d\uff08postition\uff09\u4e0d\u662f\u9759\u6b62\uff08static\uff09\u7684\u7956\u5148\u5143\u7d20\uff08\u4efb\u4f55\u7c7b\u578b\uff09\u3002
    \n\u6709\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5\uff1a<\/p>\n
      \n
    1. \u5982\u679c\u7956\u5148\u5143\u7d20\u662f\u5757\u7ea7\uff08block\uff09\u5143\u7d20\uff0c\u5305\u542b\u5757\u8bbe\u4e3a\u7956\u5148\u5143\u7d20\u7684\u586b\u5145\uff08padding\uff09\u8fb9\u6cbf\uff0c\u4e5f\u5c31\u662f\u88ab\u8fb9\u6846\uff08border\uff09\u7ea6\u675f\u7684\u533a\u57df<\/li>\n
    2. \u5982\u679c\u7956\u5148\u5143\u7d20\u662f\u5185\u8054\uff08inline\uff09\u5143\u7d20\uff0c\u5305\u542b\u5757\u8bbe\u4e3a\u7956\u5148\u5143\u7d20\u7684\u5185\u5bb9\u8fb9\u6cbf\u3002\u56e0\u6b64\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\u5f80\u5f80\u4ee5\u6d4f\u89c8\u5668\u53ef\u89c6\u533a\u57df\u7684\u5de6\u4e0a\u4e3a\u5750\u6807\u539f\u70b9\u6765\u8fdb\u884c\u5b9a\u4f4d\u4e86\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
      \u5728CSS\u4e2d\u53ef\u662f\u4f7f\u7528position\u5c5e\u6027\u6765\u5728\u4e0d\u540c\u7684\u5b9a\u4f4d\u7c7b\u578b\u4e2d\u9009\u62e9\u3002<\/p>\n
      \u8bed\u6cd5\uff1a
      \nposition : static | absolute | fixed | relative | inherit<\/p>\n
      \u5176\u5404\u53c2\u6570\u542b\u4e49\u662f\uff1a
      \nstatic<\/strong> : \u9759\u6001\uff08\u9ed8\u8ba4\uff09\uff0c\u65e0\u7279\u6b8a\u5b9a\u4f4d\u3002
      \nrelative<\/strong> : \u76f8\u5bf9\uff0c\u5bf9\u8c61\u4e0d\u53ef\u5c42\u53e0\uff0c\u4f46\u5c06\u4f9d\u636eleft\uff0cright\uff0ctop\uff0cbottom\u7b49\u5c5e\u6027\u5728\u6b63\u5e38\u6587\u6863\u6d41\u4e2d\u504f\u79fb\u4f4d\u7f6e
      \nabsolute<\/strong> : \u7edd\u5bf9\uff0c\u5c06\u5bf9\u8c61\u4ece\u6587\u6863\u6d41\u4e2d\u62d6\u51fa\uff0c\u901a\u8fc7width\u3001height\u3001left\uff0cright\uff0ctop\uff0cbottom\u7b49\u5c5e\u6027\u4e0emargin\u3001padding\u3001border\u8fdb\u884c\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\u53ef\u4ee5\u6709\u8fb9\u754c\uff0c\u4f46\u8fd9\u4e9b\u8fb9\u754c\u4e0d\u538b\u7f29\u3002\u800c\u5176\u5c42\u53e0\u901a\u8fc7z-index\u5c5e\u6027\u5b9a\u4e49\u3002
      \nfixed<\/strong> : \u60ac\u6d6e\uff0c\u4f7f\u5143\u7d20\u56fa\u5b9a\u5728\u5c4f\u5e55\u7684\u67d0\u4e2a\u4f4d\u7f6e\uff0c\u5176\u5305\u542b\u5757\u662f\u53ef\u89c6\u533a\u57df\u672c\u8eab\uff0c\u56e0\u6b64\u5b83\u4e0d\u968f\u6eda\u52a8\u6761\u7684\u6eda\u52a8\u800c\u6eda\u52a8\u3002\uff08IE5.5+\u4e0d\u652f\u6301\u6b64\u5c5e\u6027\u3002\uff09
      \ninherit<\/strong> : \u8fd9\u4e2a\u503c\u4ece\u5176\u4e0a\u7ea7\u5143\u7d20\u7ee7\u627f\u5f97\u5230\u3002<\/p>\n
      \u793a\u4f8b\uff1a<\/p>\n
      \n
      div {\nposition: absolute;\nbottom: 1in;\nleft: 1in;\nright: 1in;\ntop: 1in;\n}\ndiv {\nposition:relative;\ntop:-3px;\nleft:6px;\n}<\/pre>\n<\/div>\n
      \u65e2\u7136\u4e86\u89e3\u4e86\u5305\u542b\u5757\u7684\u6982\u5ff5\uff0c\u90a3\u4e48\u5bf9\u4e8e\u76f8\u5bf9\u5b9a\u4f4d\u548c\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5173\u7cfb\uff0c\u5c31\u5f88\u597d\u638c\u63e1\u4e86\u3002<\/p>\n
      \u4f8b\u5982\uff0c\u73b0\u5728\u9700\u8981\u628a\u9875\u9762\u5185\u5bb9\u6574\u4f53\u5c45\u4e2d\uff0c\u7136\u540e\u518d\u5c06\u5176\u4e2d\u67d0\u4e9b\u5c42\u7edd\u5bf9\u5b9a\u4f4d\u7684\u8bdd\uff0c\u90a3\u5c31\u8981\u628a\u6700\u5916\u9762\u7684\u5c42\u8bbe\u7f6e\u5b9a\u4f4d\u5c5e\u6027\u3002<\/p>\n
      \n
      <body>\n<div id=\"box\">\n  <div id=\"nav\">\n    <p>\u6bcf\u4e2a\u663e\u793a\u5143\u7d20\u90fd\u53ef\u4ee5\u7528\u5b9a\u4f4d\u7684\u65b9\u6cd5\u6765\u63cf\u8ff0\uff0c\u800c\u5176\u4f4d\u7f6e\u7531\u6b64\u5143\u7d20\u7684<strong>\u5305\u542b\u5757<\/strong>\u6765\u51b3\u5b9a\u7684\u3002<\/p>\n  <\/div>\n<\/div>\n<\/body><\/pre>\n<\/div>\n
      \u6b64\u65f6\uff0c\u5982\u679c\u4f60\u8981\u5bf9nav\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u5219\u9700\u8bbe\u7f6ecss\uff1a<\/p>\n
      \n
      body {\nmargin:0;\npadding:0;\ntext-align:center;\n}\n#box{\nbackground:#ff0;\nposition:relative; \/* \u4f7fbox\u5c42\u6210\u4e3a\u5176\u5b50\u5b59\u5143\u7d20\u7684\u5305\u542b\u5757 *\/\nwidth:500px;\nheight:200px;\nmargin:0 auto;\n}\n#nav {\nbackground:#ccc;\nposition:absolute; \/* nav\u5c42\u5c06\u5728box\u5c42\u7684\u8fb9\u6846\u8303\u56f4\u5185\u7edd\u5bf9\u5b9a\u4f4d *\/\ntop:20px;\nleft:40px;\nwidth:200px;\n}<\/pre>\n<\/div>\n
      \u5176\u663e\u793a\u6548\u679c\u5982\u56fe3\u6240\u793a\u3002<\/p>\n
      \"\"<\/p>\n
      \u56e0\u6b64\uff0c\u638c\u63e1\u4e86\u5305\u542b\u5757\u7684\u6982\u5ff5\uff0c\u5b9a\u4f4d\u5c31\u53d8\u5f97\u4e0d\u90a3\u4e48\u56f0\u96be\u4e86\u3002<\/p>\n
      \u672c\u6587\u90e8\u5206\u77e5\u8bc6\u6765\u6e90\u4e8e\uff1a\u300aCSS\u6743\u5a01\u6307\u5357\u300b<\/div>\n","protected":false},"excerpt":{"rendered":"
      \u4f7f\u7528CSS\u6765\u5b9a\u4f4d\u9875\u9762\u5185\u5c42\u7684\u4f4d\u7f6e\uff0c\u4e00\u76f4\u662f\u6bd4\u8f83\u96be\u4ee5\u638c\u63e1\u7684\u4e8b\u60c5\uff0c\u5f88\u591a\u65f6\u5019\uff0c\u5f80\u5f80\u88ab\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\uff0c\u603b\u662f\u4ee5\u6d4f\u89c8\u5668\u7684\u5de6\u4e0a\u89d2 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,20],"tags":[43,44,107,159],"class_list":["post-121","post","type-post","status-publish","format-standard","hentry","category-web","category-web-css","tag-containing-block","tag-css","tag-107","tag-159"],"_links":{"self":[{"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/posts\/121","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=121"}],"version-history":[{"count":0,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/posts\/121\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ddcat.net\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}