{"id":1240,"date":"2010-11-18T23:29:41","date_gmt":"2010-11-18T15:29:41","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1240"},"modified":"2018-01-01T20:52:36","modified_gmt":"2018-01-01T12:52:36","slug":"%e5%a4%87%e5%bf%98%ef%bc%9acss%e6%9c%af%e8%af%ad%e8%af%8d%e6%b1%87%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2010\/11\/%e5%a4%87%e5%bf%98%ef%bc%9acss%e6%9c%af%e8%af%ad%e8%af%8d%e6%b1%87%e8%a1%a8\/","title":{"rendered":"\u5907\u5fd8\uff1aCSS\u672f\u8bed\u8bcd\u6c47\u8868"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1240<\/a><\/p>\n

\u4e00\u3001\u53e8\u70b9\u4ec0\u4e48<\/h3>\n

\u5199\u6587\u7ae0\u7684\u65f6\u5019\u7ecf\u5e38\u7528\u5230\u4e00\u4e9bCSS\u65b9\u9762\u7684\u4e13\u4e1a\u8bcd\u6c47\u3002\u4f46\u662f\u6bd5\u7adf\u82b3\u534e\u5e74\u5c11\u4e0d\u5728\uff0c\u8111\u888b\u6709\u70b9\u79c0\u9017\u4e86\uff0c\u5f88\u591a\u540d\u8bcd\u90fd\u8bb0\u4e0d\u4f4f\uff0c\u8fd9\u79cd\u611f\u89c9\u6bd4\u5395\u6240\u4fbf\u79d8\u8fd8\u96be\u53d7\u3002\u6bd4\u5982\u4eca\u5929\u5c45\u7136\u8bb0\u4e0d\u8d77\u6765\u516c\u53f8\u516c\u8ba4\u8138\u86cb\u6700pp\u7684\u540c\u4e8b\u7684\u540d\u5b57\uff0c\u6ca1\u60f3\u5230\u6211\u4f1a\u8bb0\u4e0d\u4f4f\u7f8e\u5973\u7684\u540d\u5b57\u3002\u6211\u89c9\u5f97\u6211\u80cc\u540e\u4e00\u9635\u8427\u745f\u7684\u79cb\u98ce\u5439\u8d77\uff0c\u81ea\u5df1\u4fe8\u7136\u6210\u4e86\u6f2b\u753b\u91cc\u9762\u7684\u7a0b\u5e8f\u733f\u2014\u2014
\n<\/p>\n

\u67d0\u5929\u95f2\u901b\u5230nimbupani<\/a>\uff0c\u53d1\u73b0\u6709\u4e13\u95e8\u5c55\u793aCSS\u672f\u8bed\u7684\u6587\u7ae0\uff0c\u54c7\u5494\u5494\uff0c\u611f\u89c9\u597d\u50cf\u54ac\u5230\u4e00\u53e3\u6b63\u5b97\u7684\u9ad8\u90ae\u54b8\u9e2d\u86cb\u4e00\u6837\uff0c\u4e0d\u8fc7\u4eba\u5bb6\u7684\u662f\u82f1\u6587\uff0c\u6240\u4ee5\u6211\u8fd8\u8981\u672c\u5730\u5316\u6da6\u9970\u5904\u7406\uff0c\u7136\u540e\uff0c\u5c31\u53ef\u4ee5\u7559\u7ed9\u81ea\u5df1\u5907\u5fd8\u7684\u54c8\uff0c\u7684\u8bf4\u3002<\/p>\n

\u4e8c\u3001CSS\u8bcd\u6c47\u6211\u6765\u4e5f<\/h3>\n

1. \u5c5e\u6027(Property)<\/strong>
\n\u5e94\u7528\u5728\u9009\u62e9\u5668\u4e0a\u7684\u6837\u5f0f\uff0c\u6bd4\u5982\u8bf4\uff1aborder<\/code>, background<\/code>\u4e4b\u6d41\u3002<\/p>\n

2. \u503c(Value)<\/strong>
\n\u5c31\u662f\u5c5e\u6027\u62e5\u6709\u7684\u503c\u561e\u3002\u6bd4\u5982\u8bf4\uff1a1px<\/code>\u4e4b\u7c7b\uff0c\u7684\u8bf4~~<\/p>\n

3. \u5173\u952e\u5b57(Keyword)<\/strong>
\n\u5c31\u662fCSS\u91cc\u9762\u5f88\u91cd\u8981\uff0c\u5f88\u5173\u952e\u7684\u5355\u8bcd\uff0c\u4e0d\u53ef\u80fd\u7528\u5f15\u53f7\u5305\u88f9\u7684\u90a3\u4e2a\u4e1c\u4e1c\u3002\u6bd4\u5982\u8bf4\uff1asolid<\/code>, dotted<\/code>, dashed<\/code>\u4e4b\u6d41\uff0c\u7684\u8bf4~~<\/p>\n

4. \u957f\u5ea6\u5355\u4f4d(Length Units)<\/strong>
\n\u5c31\u662f\u503c\u7684\u5355\u4f4d\uff0c\u6570\u5b57\u540e\u9762\u8ddf\u7684\u4e9b\u73a9\u610f\u3002\u6bd4\u82e5\u8bf4\uff0cpx<\/code>, %<\/code>, em<\/code>\u7b49\u5176\u4ed6\u3002<\/p>\n

5. \u529f\u80fd\u7b26(Functional Notation)<\/strong>
\n\u503c\u4ee5\u51fd\u6570\u7684\u5f62\u5f0f\u6307\u5b9a\uff08\u5c31\u662f\u88ab\u62ec\u53f7\u62ec\u8d77\u6765\u7684\u90a3\u79cd\uff09\uff0c\u4e3b\u8981\u7528\u6765\u8868\u793a\u989c\u8272\uff08rgba, hsla\uff09\u3001\u80cc\u666f\u56fe\u7247\u5730\u5740(url)\u3001\u5c5e\u6027\u503c\u3001\u8fc7\u6e21\u52a8\u753b\u7b49\uff0c\u597d\u6bd4\u8bf4\uff1argba(0, 0, 0, 0.5)<\/code>, url('im.png')<\/code>, attr('href')<\/code>, scale(20)<\/code>\u3002\u5173\u4e8e\u529f\u80fd\u7b26\uff0c\u66f4\u591a\u53c2\u89c1\u8fd9\u91cc<\/a>\u3002<\/p>\n

6. \u58f0\u660e(Declaration)<\/strong>
\n\u5c5e\u6027\u540d+\u503c\u5c31\u662f\u58f0\u660e\u7684\u8bf4\uff0c\u6bd4\u5982\u8bf4\uff1a<\/p>\n

\n
background: red;<\/pre>\n<\/div>\n
7. \u58f0\u660e\u5757(Declaration Block)<\/strong>
\n{}\u82b1\u62ec\u53f7\u5305\u88f9\u7684\u4e00\u7cfb\u5217\u58f0\u660e\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
\n
\n{\n    display: table-cell;\n    color: sky; \n}\n<\/pre>\n<\/div>\n
8.  \u89c4\u5219\u6216\u89c4\u5219\u96c6(Rule or Rule Set)<\/strong>
\n\u51fa\u73b0\u4e86\u9009\u62e9\u5668\uff0c\u800c\u4e14\u540e\u9762\u8fd8\u5c3e\u968f\u7740\u58f0\u660e\u5757\uff0c\u7684\u8bf4\uff0c\u6bd4\u5982\uff1a<\/p>\n
\n
\n.halibote7{\n    display: table-cell;\n    color: sky; \n}\n<\/pre>\n<\/div>\n
\u672c\u6587\u539f\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1240<\/a>\uff0c\u6765\u81ea\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\uff0c\u8bbf\u95ee\u539f\u51fa\u5904\u66f4\u591a\u4f18\u79c0\u6280\u672f\u6587\u7ae0\u3002<\/div>\n
\u672c\u6587\u4f5c\u8005\uff1a\u5f20\u946b\u65ed<\/a>\uff0c\u6b22\u8fce\u8bbf\u95ee\u6211\u7684\u4e2a\u4eba\u7f51\u7ad9\u3002<\/div>\n
9. \u9009\u62e9\u5668(Selector)<\/strong>
\n\u7528\u6765\u7784\u51c6\u76ee\u6807\u5143\u7d20\u7684\u4e1c\u897f\uff0c\u4f8b\u5982\u4e0a\u9762\u7684.halibote7<\/code>\u5c31\u662f\u4e00\u4e2a\u9009\u62e9\u5668\u7684\u54c8\u3002\u66f4\u591a\u9009\u62e9\u5668\uff0c\u53ef\u4ee5\u53c2\u9605\u8fd9\u91cc<\/a>\uff0c\u6216\u662f\u770b\u4e0b\u9762\uff1a
\n\u2640 \u7c7b\u9009\u62e9\u5668(Class)\uff1a\u4e00\u822c\u800c\u8a00\uff0c\u4ee5”.”\u8fd9\u4e2a\u8c26\u5351\u7684\u70b9\u53f7\u5f00\u5934\u7684\u9009\u62e9\u5668\u3002\u5f88\u591a\u5f88\u591a\u7684\u5143\u7d20\u53ef\u4ee5\u7528\u540c\u4e00\u4e2a\u7c7b\u9009\u62e9\u5668\u7684\u3002\u7c7b\u561b\uff0c\u751f\u4e0b\u6765\u5c31\u662f\u88ab\u516c\u7528\u7684\u547d\u3002
\n\u2640 ID\u9009\u62e9\u5668(ID)\uff1a”#”\u6253\u5934\u7684\uff0c\u957f\u5f97\u6bd4\u8f83\u56a3\u5f20\u3002boss\u611f\u89c9\uff0c\u6240\u8c13\u4e00\u5c71\u4e0d\u5bb9\u4e8c\u864e\uff0cID\u4e00\u822c\u6307\u5411\u552f\u4e00\u5143\u7d20\uff0c\u4f46\u662f\uff0cCSS\u4e2d\uff0cID\u6837\u5f0f\u591a\u7528\u8c8c\u4f3c\u4e5f\u8fc7\u5f97\u53bb\uff0c\u4f46\u662f\u663e\u7136\u4e0d\u63a8\u8350\u8fd9\u4e48\u505a\u7684\u3002
\n\u2640 \u5c5e\u6027\u9009\u62e9\u5668(Attribute Selector)\uff1a\u5c31\u662f\u957f\u5f97\u7c7b\u4f3c\u4e0b\u9762div[title]{}<\/code>\uff0c\u6216\u662f\u7c7b\u4f3c\u4e0b\u9762div[title=\"\u6f14\u793a\"]{}<\/code>\uff0c\u6216\u662f\u7c7b\u4f3c\u4e0b\u9762div[title~=\"\u6f14\u793a\"]{}<\/code>\uff0c\u6216\u8005\u662f\u7c7b\u4f3c\u4e0b\u9762div[title^=\"\u6f14\u793a\"]{}<\/code>\uff0c\u6216\u8005\u662f\u7c7b\u4f3c\u4e0b\u9762\uff0cdiv[title$=\"\u6f14\u793a\"]{}<\/code>\u6216\u8005\u662f\u2026\u2026
\n\u2640 \u4f2a\u7c7b\u9009\u62e9\u5668(Pseudo-Classes)\uff1a\u4e00\u822c\u524d\u9762\u6709\u4e2a\u82f1\u6587\u5192\u53f7”:”\u7684\u9009\u62e9\u5668\uff0c\u4f8b\u5982\u8bf4\uff1a:first-child<\/code> \u6216\u662f :last-child<\/code>\u7b49\u7b49\u7b49\u7b49\u3002
\n\u2640 \u4f2a\u5143\u7d20\u9009\u62e9\u5668(Pseudo-Elements)\uff1a\u600e\u4e48\u8bf4\u5462\uff0c\u5c31\u662f\u4f1a\u6709\u8fde\u7eed\u4e24\u4e2a\u5192\u53f7\u7684\u9009\u62e9\u5668\u7684\u8bf4\uff0c\u597d\u50cf\uff1a::first-line<\/code>, ::first-letter<\/code>, ::before<\/code>, ::after<\/code>\u3002\u6211\u4e4b\u524d\u6709\u7bc7\u6587\u7ae0\uff1a\u201c\u4f7f\u7528CSS3\u6539\u53d8\u6587\u672c\u9009\u4e2d\u7684\u9ed8\u8ba4\u989c\u8272<\/a>\u201d\uff0c\u5c31\u662f\u4f7f\u7528\u4f2a\u5143\u7d20\u9009\u62e9\u5668\u5b9e\u73b0\u3002<\/p>\n
10. \u5173\u7cfb\u9009\u62e9\u5668(Combinators)<\/strong>
\n\u6839\u636e\u4e0e\u5176\u4ed6\u5143\u7d20\u7684\u66a7\u6627\u5173\u7cfb\u9009\u62e9\u5143\u7d20\u7684\u9009\u62e9\u5668\uff0c\u5e38\u89c1\u7684\u7b26\u53f7\u6709\u7a7a\u683c( )\uff0c\u5c16\u5c16\u53f7(>)\uff0c\u52a0\u53f7(+)\uff0c\u8fd8\u6709\u5f2f\u5f2f\u53f7(~)\u7b49\uff0c\u4e8e\u662f\u5c31\u6709\u4e86\uff1a
\n\u2642 \u540e\u4ee3\u9009\u62e9\u5668(Descendant Combinator)\uff1a\u7c7b\u4f3c#yayunhui h1{}<\/code>\uff0c\u76f4\u63a5\u628a\u5408\u4e4e\u6761\u4ef6\u7684\u5b50\u5b50\u5b59\u5b59\u90fd\u9009\u62e9\u4e86\uff0c\u7684\u8bf4~~
\n\u2642 \u5b50\u9009\u62e9\u5668(Child Combinator)\uff1a\u76f4\u63a5\u9009\u62e9\u513f\u5b50\uff0c\u800c\u5ffd\u7565\u5b59\u5b50\u4ee5\u53ca\u4ece\u5b59\u7b49\uff0c\u5c16\u5c16\u53f7\u5c31\u662f\u5e72\u8fd9\u4e2a\u6d3b\u7684\u3002
\n\u2642 \u4e34\u8fd1\u5144\u5f1f\u9009\u62e9\u5668(Adjacent Sibling Combinator)\uff1a\u4e0e\u5176\u4ed6\u5143\u7d20\u76f4\u63a5\u76f8\u90bb\u7684\u5143\u7d20\u7684\u4ec0\u4e48\u4ec0\u4e48\u7684\u8bf4~~
\n\u2642 \u4e00\u822c\u5144\u5f1f\u9009\u62e9\u5668(General Sibling Combinator)\uff1a\u4e5f\u662f\u76f8\u90bb\u7684\uff0c\u4f46\u662f\u4e0d\u90a3\u4e48\u76f4\u63a5\u3002<\/p>\n
11. @\u89c4\u5219(At-Rules)<\/strong>
\n\u4ee5@\u5b57\u7b26\u5f00\u59cb\u7684\u4e00\u4e9b\u89c4\u5219\uff0c\u50cf\u662f@import<\/code>, @page<\/code>, @media<\/code>, \u548c @font-face<\/code>\u8bf8\u5982\u6b64\u7c7b\u3002<\/p>\n
12. \u5a92\u4f53\u7279\u5f81(Media Features)<\/strong>
\n\u4f7f\u7528media queries<\/a>\u5c5e\u6027\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u5a92\u4ecb\u6709\u9488\u5bf9\u6027\u7684\u663e\u793a\u6837\u5f0f\u3002\u5f53\u7136\uff0c\u6700\u5e38\u89c1\u7684\u5a92\u4f53\u7279\u5f81\u5e94\u8be5\u662fmin-width<\/code>\u548cmin-height<\/code>\u4e4b\u7c7b\u7684\u4e86\u3002<\/p>\n
13. \u5546\u5bb6\u6307\u5b9a\u6269\u5c55(Vendor-specific Extension)<\/strong>
\n\u5c31\u662f\u4e00\u4e9b\u79c1\u6709\u5c5e\u6027\u5566\u3002\u6bd4\u5982\u5e38\u89c1\u7684CSS3\u7684\u4e00\u4e9b\u79c1\u6709\u524d\u7f00\u5566\uff0c-moz-\uff0c\u6216\u662f-webkit-\u6216\u662f-o-\u6216\u662f-ms-\u4e4b\u7c7b\u7684\u8bf4\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\uff0cIE\u6d4f\u89c8\u5668\u4e0b\u7684\u79c1\u6709\u5c5e\u6027\u8c8c\u4f3c\u66f4\u591a\u7684\u8bf4\uff0c\u5c31\u4e0d\u5c55\u5f00\u4e86\u3002<\/p>\n
\u4e09\u3001\u5c3e\u58f0<\/h3>\n
\u8bf6\u5440\u5440\uff0c\u6700\u540e\u51e0\u4e2a\u8bcd\u4e49\u597d\u96be\u8868\u8ff0\u554a\uff0c\u53ef\u80fd\u6709\u4e9b\u4e0d\u51c6\u786e\u3002\u5c31\u8fd9\u4e9b\u4e86\uff0c\u7528\u505a\u5907\u5fd8\u8db3\u591f\u4e86\uff0c\u6069\uff01
\n\u53c2\u8003\u6587\u7ae0\uff1aCSS Vocabulary <\/a><\/p>\n
\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[http:\/\/www.zhangxinxu.com<\/a>]
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1240<\/a><\/p>\n
\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n
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