{"id":1038,"date":"2009-09-09T16:44:49","date_gmt":"2009-09-09T08:44:49","guid":{"rendered":"http:\/\/www.ddcat.net\/blog\/?p=1038"},"modified":"2009-09-09T16:44:49","modified_gmt":"2009-09-09T08:44:49","slug":"1038","status":"publish","type":"post","link":"http:\/\/www.ddcat.net\/blog\/index.php\/2009\/09\/09\/1038\/","title":{"rendered":"CSS3\u65b0\u589e\u9009\u62e9\u5668[2]\uff1a\u7ed3\u6784\u4f2a\u7c7b(3)"},"content":{"rendered":"

6. E:last-child<\/h4>\n

\u5339\u914d\u6240\u6709E\u5143\u7d20\uff0c\u5f53\u6b64\u5143\u7d20\u662f\u5176\u7236\u5143\u7d20\u7684\u6700\u540e\u4e00\u4e2a\u5b50\u5143\u7d20\u65f6\u3002\u4f8b\u5982\uff1a<\/p>\n

\n
li:last-child { \u2026\u2026 }<\/pre>\n<\/div>\n
\u548c:first-child\u7c7b\u4f3c\uff0c\u8fd9\u4e24\u4e2a\u4f2a\u7c7b\u5728\u8bbe\u5b9a\u83dc\u5355\u6837\u5f0f\uff08\u7279\u522b\u662f\u5bfc\u822a\u83dc\u5355\uff09\u7684\u65f6\u5019\u5f88\u6709\u7528\uff0c\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u83dc\u5355\u7684\u7b2c1\u9879\u548c\u6700\u540e1\u9879\u4f1a\u548c\u5176\u4ed6\u9879\u7a0d\u6709\u4e0d\u540c\uff0c\u4f8b\u5982\uff1a(\u67e5\u770b\u793a\u4f8b\u6587\u4ef6<\/a>)<\/p>\n
<\/p>\n
\n
#sample10 li {\nborder-right:1px solid #039;\nfloat:left;\nline-height:1.4;\nlist-style:none;\nmargin-left:5px;\npadding-right:5px;\n}\n#sample10 li:last-child {\nborder:none;\n}<\/pre>\n
<div id=\"sample10\">\n  <ul>\n     <li><a href=\"#1\" title=\"\u5355\u51fb\u8fd4\u56de\u7f51\u7ad9\u9996\u9875\">\u9996\u9875<\/a><\/li>\n     <li><a href=\"#2\" title=\"\u5355\u51fb\u524d\u5f80\u535a\u5ba2\u9996\u9875\">\u535a\u5ba2<\/a><\/li>\n     <li><a href=\"#3\" title=\"\u5355\u51fb\u524d\u5f80\u6e38\u620f\u9891\u9053\u9996\u9875\">\u6e38\u620f<\/a><\/li>\n     <li><a href=\"#4\" title=\"\u5355\u51fb\u524d\u5f80\u8bba\u575b\u9996\u9875\">\u8bba\u575b<\/a><\/li>\n  <\/ul>\n<\/div><\/pre>\n<\/div>\n
\u63d0\u793a\uff1a\u5f88\u591a\u7f51\u7ad9\u5728\u5bfc\u822a\u5185\u52a0\u5165\u6587\u5b57\u201c|\u201d\u6216\u8005\u63d2\u5165\u7a7a\u7684li\u6765\u5b9e\u73b0\u7ad6\u7ebf\u7684\u65b9\u6cd5\uff0c\u662f\u5f88\u4e0d\u6807\u51c6\u7684\u3002<\/div>\n
7. E:first-of-type<\/h4>\n
\u6839\u636eE\u7684\u7c7b\u578b\u5339\u914d\u6240\u6709\u5144\u5f1f\u5143\u7d20\u4e2d\u7b2c\u4e00\u4e2a\u6b64\u7c7b\u578b\u5143\u7d20\uff0c\u7c7b\u4f3c\u4e8e\u201c:nth-of-type(1)\u201d\u3002<\/p>\n
8. E:last-of-type<\/h4>\n
\u6839\u636eE\u7684\u7c7b\u578b\u5339\u914d\u6240\u6709\u5144\u5f1f\u5143\u7d20\u4e2d\u6700\u540e\u4e00\u4e2a\u6b64\u7c7b\u578b\u5143\u7d20\u3002<\/p>\n
\u4f8b\u5982\uff1a(\u67e5\u770b\u793a\u4f8b\u6587\u4ef6<\/a>)<\/p>\n
\n
#sample12 div:first-of-type {\nbackground:#FF9;\n}\n#sample12 div:last-of-type {\nbackground:#6CF;\n}<\/pre>\n
<div id=\"sample12\">\n <p>p 1<\/p>\n <div>div 1<\/div>\n <p>p 2<\/p>\n <div>div 2<\/div>\n <p>p 3<\/p>\n <div>div 3<\/div>\n <p>p 4<\/p>\n <div>div 4<\/div>\n <p>p 5<\/p>\n<\/div><\/pre>\n<\/div>\n
9. E:only-child<\/h4>\n
\u5339\u914d\u90a3\u4e9b\u662f\u5176\u7236\u5143\u7d20\u552f\u4e00\u5b69\u5b50\u7684E\u5143\u7d20\u3002<\/p>\n
\u4f8b\u5982\uff1a(\u67e5\u770b\u793a\u4f8b\u6587\u4ef6<\/a>)<\/p>\n
\n
#sample13 p em:only-child { \/* sample13 \u5185 p \u5185\u7684 em\uff0c\u4e14em\u662fp\u552f\u4e00\u5b50\u5143\u7d20\u3002*\/\nbackground:#FF9;\n}<\/pre>\n
<div id=\"sample13\">\n<p>p1, <em>\u5b50\u5143\u7d201\uff1aem<\/em><\/p>\n<p>p2, <em>\u5b50\u5143\u7d201\uff1aem<\/em>\uff0c<strong>\u5b50\u5143\u7d202\uff1astrong<\/strong><\/p>\n<p>p3, <strong>\u5b50\u5143\u7d201\uff1astrong<\/strong><\/p>\n<\/div><\/pre>\n<\/div>\n
\"p1\u5185\u7684em\u4e3a\u552f\u4e00\u5b50\u5143\u7d20\uff0c\u56e0\u6b64\u5339\u914d\"
p1\u5185\u7684em\u4e3a\u552f\u4e00\u5b50\u5143\u7d20\uff0c\u56e0\u6b64\u5339\u914d<\/p><\/div>\n
p1\u5185\u7684em\u4e3a\u552f\u4e00\u5b50\u5143\u7d20\uff0c\u56e0\u6b64\u5339\u914d\uff1b\u800cp2\u5185\u7684em\uff0c\u4e0d\u662f\u552f\u4e00\u5b50\u5143\u7d20\u56e0\u6b64\u4e0d\u5339\u914d\uff1b\u800cp3\u5185strong\u867d\u7136\u662f\u552f\u4e00\u5b50\u5143\u7d20\uff0c\u4f46\u662f\u4e0d\u662fem\u5143\u7d20\uff0c\u56e0\u6b64\u4e5f\u4e0d\u5339\u914d\u3002<\/p>\n
10. E:only-of-type<\/h4>\n
\u6839\u636eE\u7684\u7c7b\u578b\uff0c\u5339\u914d\u90a3\u4e9b\u5728\u5176\u5144\u5f1f\u91cc\u662f\u552f\u4e00\u6b64\u7c7b\u5143\u7d20\u7684E\u5143\u7d20\u3002<\/p>\n
\u4f8b\u5982\uff1a(\u67e5\u770b\u793a\u4f8b\u6587\u4ef6<\/a>)<\/p>\n
\n
#sample14 p em:only-of-type { \/* sample14 \u5185 p \u5185\u7684 em\uff0c\u4e14\u662fp\u7684\u5b50\u5143\u7d20\u4e2d\u552f\u4e00\u7684em\u3002*\/\nbackground:#6CF;\n}<\/pre>\n
<div id=\"sample14\">\n<p>p1, <em>\u5b50\u5143\u7d201\uff1aem<\/em><\/p>\n<p>p2, <em>\u5b50\u5143\u7d201\uff1aem<\/em>\uff0c<strong>\u5b50\u5143\u7d202\uff1astrong<\/strong><\/p>\n<p>p3, <em>\u5b50\u5143\u7d201\uff1aem<\/em>\uff0c<em>\u5b50\u5143\u7d202\uff1aem<\/em>\uff0c<strong>\u5b50\u5143\u7d203\uff1astrong<\/strong><\/p>\n<\/div><\/pre>\n<\/div>\n
\"\u800cp3\u5185\u6709\u4e24\u4e2aem\u5143\u7d20\uff0c\u56e0\u6b64\u4e0d\u5339\u914d\"
\u800cp3\u5185\u6709\u4e24\u4e2aem\u5143\u7d20\uff0c\u56e0\u6b64\u4e0d\u5339\u914d<\/p><\/div>\n
p1\u5185em\u4e3a\u552f\u4e00\u5b50\u5143\u7d20\uff0c\u56e0\u6b64\u5339\u914d\uff1bp2\u5185\uff0c\u867d\u7136\u67092\u4e2a\u5b50\u5143\u7d20\uff0c\u4f46\u662f\u53ea\u67091\u4e2aem\u5143\u7d20\uff0c\u56e0\u6b64\u4e5f\u5339\u914d\uff1b\u800cp3\u5185\u6709\u4e24\u4e2aem\u5143\u7d20\uff0c\u56e0\u6b64\u4e0d\u5339\u914d\u3002<\/p>\n
11. E:empty<\/h4>\n
\u5339\u914d\u6ca1\u6709\u5b50\u5143\u7d20\u7684E\u5143\u7d20\u3002<\/p>\n
\u5728DOM\u6811\u91cc\uff0c\u5143\u7d20\u7684\u5185\u5bb9\u4e5f\u5c5e\u4e8e\u5176\u5b50\u5143\u7d20\u8282\u70b9\u4e4b\u4e00\u3002\u4f8b\u5982\uff1a(\u67e5\u770b\u793a\u4f8b\u6587\u4ef6<\/a>)<\/p>\n
\n
#sample15 p {\nborder:1px solid #06C;\nheight:30px;\nmargin-bottom:5px;\n}\n#sample15 p:empty {\nbackground:#6CF;\n}<\/pre>\n
<div id=\"sample15\">\n<p><\/p>\n<p>\u53ea\u6709\u6587\u672c<\/p>\n<p><em><\/em><\/p>\n<\/div><\/pre>\n<\/div>\n
\"p:empty
p:empty \u5c06\u53ea\u5339\u914d\u201c<p><\/p>\u201d\u3002<\/p><\/div>\n
p:empty \u5c06\u53ea\u5339\u914d\u7b2c\u4e00\u4e2a\u201c<p><\/p>\u201d\u3002<\/p>\n