{"id":8475,"date":"2019-02-11T15:13:12","date_gmt":"2019-02-11T07:13:12","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8475"},"modified":"2019-02-11T15:16:10","modified_gmt":"2019-02-11T07:16:10","slug":"css-column-combinator","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2019\/02\/css-column-combinator\/","title":{"rendered":"\u5feb\u901f\u4e86\u89e3CSS\u65b0\u51fa\u7684\u5217\u9009\u62e9\u7b26\u53cc\u7ba1\u9053\uff08||\uff09"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8475\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=8475<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4e2a\u4eba\u7f51\u7ad9\u65e0\u9700\u6388\u6743\uff0c\u53ea\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\u5373\u53ef\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<br \/>\n<script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/201902-column-comb.png';<\/script><\/p>\n<h3>\u4e86\u89e3\u5217\u9009\u62e9\u7b26<\/h3>\n<p>\u793a\u4f8b\u7528\u6cd5\uff1a<\/p>\n<pre>col.selected || td {\r\n    background-color: skyblue;\r\n}<\/pre>\n<p>\u5e73\u65f6\u6211\u4eec\u7528\u8fc7\u7a7a\u683c\uff0c<code>&gt;<\/code>, <code>+<\/code>\u548c<code>~<\/code>\uff0c\u73b0\u5728\u51fa\u6765\u4e2a\u53cc\u7ba1\u9053<code>||<\/code>\uff0c\u662f\u4e0d\u662f\u6ca1\u89c1\u8fc7\uff0c\u8fd9\u4e2a\u53cc\u7ba1\u9053<code>||<\/code>\u5c31\u662f\u672c\u6587\u8981\u4ecb\u7ecd\u7684\u5217\u9009\u62e9\u7b26\u3002<\/p>\n<p>\u5217\u9009\u62e9\u7b26\u662f\u89c4\u8303\u4e2d\u521a\u51fa\u73b0\u4e0d\u4e45\u7684\u65b0\u9009\u62e9\u7b26\uff0c\u76ee\u524d\u6d4f\u89c8\u5668\u7684\u517c\u5bb9\u6027\u8fd8\u4e0d\u8db3\u4ee5\u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u7528\uff0c\u56e0\u6b64\u672c\u6587\u4ec5\u7b80\u5355\u4ecb\u7ecd\u4e0b\uff0c\u8ba9\u5927\u5bb6\u77e5\u9053\u5927\u81f4\u662f\u5e72\u4ec0\u4e48\u7528\u7684\u3002<\/p>\n<p>\u5728Table\u5e03\u5c40\u548cGrid\u5e03\u5c40\u4e2d\u90fd\u6709\u5217\u7684\u6982\u5ff5\uff0c\u6709\u65f6\u5019\u6211\u4eec\u5e0c\u671b\u63a7\u5236\u6574\u5217\u7684\u6837\u5f0f\u3002\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u4e00\u79cd\u662f\u501f\u52a9<code>:nth-col()<\/code>\u6216\u8005<code>:nth-last-col()<\/code>\u4f2a\u7c7b\uff0c\u4e0d\u8fc7\u8fd9\u4e24\u4e2a\u4f2a\u7c7b\u76ee\u524d\u6d4f\u89c8\u5668\u5c1a\u672a\u652f\u6301\uff1b\u8fd8\u6709\u4e00\u79cd\u662f\u501f\u52a9\u539f\u751fTable\u5e03\u5c40\u4e2d\u7684<code>&lt;colgroup&gt;<\/code>\u548c<code>&lt;col&gt;<\/code>\u5143\u7d20\u5b9e\u73b0\uff0c\u8fd9\u4e2a\u517c\u5bb9\u6027\u975e\u5e38\u597d\u3002<\/p>\n<p>\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u4f8b\u5b50\u5feb\u901f\u4e86\u89e3\u4e0b\u8fd9\u4e24\u4e2a\u5143\u7d20\uff0c\u5982\u4e0b\u8868\u683cHTML\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;table border=\"1\" width=\"600\"&gt;\r\n    &lt;colgroup&gt;\r\n        &lt;col&gt;\r\n        &lt;col span=\"2\" class=\"ancestor\"&gt;\r\n        &lt;col span=\"2\" class=\"brother\"&gt;\r\n    &lt;\/colgroup&gt;\r\n    &lt;tr&gt;\r\n        &lt;td&gt; &lt;\/td&gt;\r\n        &lt;th scope=\"col\"&gt;\u540e\u4ee3\u9009\u62e9\u7b26&lt;\/th&gt;\r\n        &lt;th scope=\"col\"&gt;\u5b50\u9009\u62e9\u7b26&lt;\/th&gt;\r\n        &lt;th scope=\"col\"&gt;\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u7b26&lt;\/th&gt;\r\n        &lt;th scope=\"col\"&gt;\u968f\u540e\u5144\u5f1f\u9009\u62e9\u7b26&lt;\/th&gt;\r\n    &lt;\/tr&gt;\r\n    &lt;tr&gt;\r\n        &lt;th scope=\"row\"&gt;\u793a\u4f8b&lt;\/th&gt;\r\n        &lt;td&gt;.foo .bar {}&lt;\/td&gt;\r\n        &lt;td&gt;.foo &gt; .bar {}&lt;\/td&gt;\r\n        &lt;td&gt;.foo + .bar {}&lt;\/td&gt;\r\n        &lt;td&gt;.foo ~ .bar {}&lt;\/td&gt;\r\n    &lt;\/tr&gt;\r\n&lt;\/table&gt;<\/pre>\n<p>\u53ef\u4ee5\u770b\u51fa\u8868\u683c\u5171\u67095\u5217\u3002\u5176\u4e2d\uff0c<code>&lt;colgroup&gt;<\/code>\u5143\u7d20\u4e2d\u67093\u4e2a<code>&lt;col&gt;<\/code>\u5143\u7d20\uff0c\u4ece<code>span<\/code>\u5c5e\u6027\u503c\u53ef\u4ee5\u770b\u51fa\uff0c\u8fd93\u4e2a<code>&lt;col&gt;<\/code>\u5143\u7d20\u5206\u522b\u5360\u636e1\u5217\uff0c2\u5217\u548c2\u5217\u3002\u6b64\u65f6\uff0c\u6211\u4eec\u7ed9\u540e\u97622\u4e2a<code>&lt;col&gt;<\/code>\u5143\u7d20\u8bbe\u7f6e\u80cc\u666f\u8272\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u80cc\u666f\u8272\u4f5c\u7528\u5728\u6574\u5217\u4e0a\u4e86\uff0cCSS\u5982\u4e0b\uff1a<\/p>\n<pre>.ancestor {\r\n    background-color: dodgerblue;\r\n}\r\n.brother {\r\n    background-color: skyblue;\r\n}<\/pre>\n<p>\u6700\u7ec8\u6548\u679c\u5982\u4e0b\u56fe\uff1a<\/p>\n<div class=\"figure\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201902\/table-col.png\" width=\"607\" height=\"64\" alt=\"\u8868\u683c\u4e2d\u7684\u6574\u5217\u6837\u5f0f\u63a7\u5236\">\n<\/div>\n<p>\u4f46\u662f\uff0c\u6709\u65f6\u5019\uff0c\u6211\u4eec\u7684\u5355\u5143\u683c\u5e76\u4e0d\u662f\u6b63\u597d\u5c5e\u4e8e\u67d0\u4e00\u5217\uff0c\u800c\u662f\u8de8\u5217\uff0c\u6b64\u65f6\uff0c<code>&lt;col&gt;<\/code>\u5143\u7d20\u662f\u4f1a\u5ffd\u7565\u8fd9\u4e9b\u8de8\u5217\u5143\u7d20\u7684\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre>&lt;table border=\"1\" width=\"200\"&gt;\r\n    &lt;colgroup&gt;\r\n        &lt;col span=\"2\"&gt;\r\n        &lt;col class=\"selected\"&gt;\r\n    &lt;\/colgroup&gt;\r\n    &lt;tbody&gt;\r\n        &lt;tr&gt;\r\n            &lt;td&gt;A&lt;\/td&gt;\r\n            &lt;td&gt;B&lt;\/td&gt;\r\n            &lt;td&gt;C&lt;\/td&gt;\r\n        &lt;\/tr&gt;\r\n        &lt;tr&gt;\r\n            &lt;td colspan=\"2\"&gt;D&lt;\/td&gt;\r\n            &lt;td&gt;E&lt;\/td&gt;\r\n        &lt;\/tr&gt;\r\n        &lt;tr&gt;\r\n            &lt;td&gt;F&lt;\/td&gt;\r\n            &lt;td colspan=\"2\"&gt;G&lt;\/td&gt;\r\n        &lt;\/tr&gt;\r\n    &lt;\/tbody&gt;\r\n&lt;\/table&gt;<\/pre>\n<pre>col.selected {\r\n    background-color: skyblue;\r\n}<\/pre>\n<p>\u6b64\u65f6\u4ec5C\u548cE\u4e24\u4e2a\u5355\u5143\u683c\u6709\u5929\u84dd\u8272\u7684\u80cc\u666f\u8272\uff0cG\u5355\u5143\u683c\u867d\u7136\u4e5f\u8986\u76d6\u4e86\u7b2c3\u5217\uff0c\u7531\u4e8e\u540c\u65f6\u4e5f\u5c5e\u4e8e\u7b2c2\u5217\uff0c\u4e8e\u662f\u88ab\u65e0\u89c6\u4e86\uff0c\u6548\u679c\u5982\u4e0b\u56fe\uff1a<\/p>\n<div class=\"figure\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201902\/cd-bgcolor.png\" width=\"200\" height=\"76\" alt=\"G\u5355\u5143\u683c\u6ca1\u6709\u80cc\u666f\u8272\">\n<\/div>\n<p>\u8fd9\u5c31\u6709\u95ee\u9898\u4e86\uff0c\u5f88\u591a\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u662f\u8981G\u5355\u5143\u683c\u4e5f\u6709\u80cc\u666f\u8272\u7684\uff0c\u53ea\u8981\u5305\u542b\u8be5\u5217\uff0c\u90fd\u8ba4\u4e3a\u662f\u76ee\u6807\u5bf9\u8c61\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u79cd\u9700\u6c42\uff0c\u5217\u9009\u62e9\u7b26\u5e94\u8fd0\u800c\u751f\u4e86\u3002<\/p>\n<p>\u5217\u9009\u62e9\u7b26\u5199\u4f5c\u53cc\u7ba1\u9053<code>||<\/code>\uff0c\u662f\u4e24\u4e2a\u5b57\u7b26\uff0c\u548cJavaScript\u8bed\u8a00\u4e2d\u7684\u903b\u8f91\u6216\u5199\u6cd5\u4e00\u81f4\uff0c\u4f46\u662f\uff0c\u5728CSS\u4e2d\u5374\u4e0d\u662f\u201c\u6216\u201d\u7684\u610f\u601d\uff0c\u7528\u201c\u5c5e\u4e8e\u201d\u89e3\u91ca\u8981\u66f4\u6070\u5f53\u3002<\/p>\n<p>\u901a\u8fc7\u5982\u4e0bCSS\u9009\u62e9\u5668\uff0c\u53ef\u4ee5\u8ba9G\u5355\u5143\u683c\u4e5f\u6709\u80cc\u666f\u8272\uff1a<\/p>\n<pre>col.selected || td {\r\n    background-color: skyblue;\r\n}<\/pre>\n<p><code>col.selected || td<\/code>\u610f\u601d\u5c31\u662f\u9009\u62e9\u6240\u6709\u5c5e\u4e8e<code>col.selected<\/code>\u7684<code>&lt;td&gt;<\/code>\u5143\u7d20\uff0c\u54ea\u6015\u8fd9\u4e2a<code>&lt;td&gt;<\/code>\u5143\u7d20\u6a2a\u8de8\u591a\u5217\u3002<\/p>\n<p>\u4e8e\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u4e0b\u56fe\u6240\u793a\u7684\u6548\u679c\uff1a<\/p>\n<div class=\"figure\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201902\/cdg-bgcolor.png\" width=\"200\" height=\"76\" alt=\"G\u5355\u5143\u683c\u5305\u542b\u80cc\u666f\u8272\">\n<\/div>\n<p>\u672c\u6587\u5185\u5bb9\u5c31\u8fd9\u4e9b\uff0c\u7ed3\u675f\uff01<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/emtion\/emoji\/1f61d.svg\" width=\"20\" height=\"20\" align=\"absmiddle\"><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8475\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=8475<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201902\/column-combin.png\" width=\"161\" height=\"100\" alt=\"\u5217\u9009\u62e9\u7b26\u5c01\u56fe\" lazyload=\"on\" class=\"alignright size-medium\" \/><\/p>\n<p>\u5217\u9009\u62e9\u7b26\u662f\u89c4\u8303\u4e2d\u521a\u51fa\u73b0\u4e0d\u4e45\u7684\u65b0\u9009\u62e9\u7b26\uff0c\u5199\u4f5c\u53cc\u7ba1\u9053<code>||<\/code>\uff0c\u662f\u4e24\u4e2a\u5b57\u7b26\uff0c\u548cJavaScript\u8bed\u8a00\u4e2d\u7684\u903b\u8f91\u6216\u5199\u6cd5\u4e00\u81f4\uff0c\u8fd9\u4e2a\u9009\u62e9\u7b26\u53ef\u4ee5\u8ba9\u9009\u62e9\u6240\u6709\u5c5e\u4e8e\u67d0\u4e00\u5217\u7684\u5bf9\u5e94\u5355\u5143\u683c\uff0c\u54ea\u6015\u8fd9\u4e2a\u5355\u5143\u683c\u5143\u7d20\u6a2a\u8de8\u591a\u5217\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[1409,1410,333,1101,1271,1347,913,212,1408],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/8475"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=8475"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/8475\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=8475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=8475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=8475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}