{"id":7819,"date":"2018-07-23T00:39:05","date_gmt":"2018-07-22T16:39:05","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=7819"},"modified":"2018-07-23T00:39:05","modified_gmt":"2018-07-22T16:39:05","slug":"css-width-auto","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/07\/css-width-auto\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3CSS\u7684width:auto"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com\/wordpress\/?p=7819<\/a>
\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u548c\u51fa\u5904\uff0c\u6458\u8981\u5f15\u6d41\u5219\u968f\u610f\u3002<\/p>\n

\u4e00\u3001\u6df1\u85cf\u4e0d\u9732\u7684width:auto<\/h3>\n

\u672c\u8282\u5185\u5bb9\u9009\u81ea\u300aCSS\u4e16\u754c\u300b<\/a>\u7b2c3.2.1\u7684\u5f15\u8a00\u90e8\u5206\u3002<\/p>\n

\u6211\u4eec\u5e94\u8be5\u90fd\u77e5\u9053\uff0cwidth<\/code>\u7684\u9ed8\u8ba4\u503c\u662f'auto'<\/code>\uff0c'auto'<\/code>\u7531\u4e8e\u662f\u9ed8\u8ba4\u503c\uff0c\u51fa\u955c\u7387\u4e0d\u9ad8\uff0c\u4f46\u662f\uff0c\u5374\u662f\u4e2a\u6df1\u85cf\u4e0d\u9732\u7684\u5bb6\u4f19\uff0c\u5305\u542b\u4e86\u81f3\u5c11\u4e0b\u97624\u79cd\u4e0d\u540c\u7684\u5bbd\u5ea6\u8868\u73b0\uff1a<\/p>\n

    \n
  1. \u5145\u5206\u5229\u7528\u53ef\u7528\u7a7a\u95f4<\/strong>\n

    \u6bd4\u65b9\u8bf4\uff0c<div><\/code>, <p><\/code>\u8fd9\u4e9b\u5143\u7d20\u7684\u5bbd\u5ea6\u9ed8\u8ba4\u662f100%\u4e8e\u7236\u7ea7\u5bb9\u5668\u7684\u3002\u8fd9\u79cd\u5145\u5206\u5229\u7528\u53ef\u7528\u7a7a\u95f4\u7684\u884c\u4e3a\u8fd8\u6709\u4e2a\u4e13\u6709\u540d\u5b57\uff0c\u53eb\u505a\"fill-available\"<\/code>\u3002\u5b9e\u9645\u4e0a\uff0c\u5bf9\u4e8einline-block<\/code>\u6c34\u5e73\u7684\u5143\u7d20\uff0c\u4e5f\u4f1a\u5b58\u5728\u5145\u5206\u5229\u7528\u53ef\u7528\u7a7a\u95f4\u7684\u573a\u666f\uff0c\u5c31\u662f\u91cc\u9762\u5143\u7d20\u5185\u5bb9\u5df2\u7ecf\u8d85\u8fc7\u4e00\u884c\uff0c\u5bbd\u5ea6\u8868\u73b0\u5927\u4e8e\u5bb9\u5668\u5bbd\u5ea6\u7684\u65f6\u5019\u3002<\/p>\n<\/li>\n

  2. \u6536\u7f29\u4e0e\u5305\u88f9<\/strong>\n

    \u5178\u578b\u4ee3\u8868\u5c31\u662f\u6d6e\u52a8\uff0c\u7edd\u5bf9\u5b9a\u4f4d\uff0cinline-block<\/code>\u6c34\u5e73\u5143\u7d20\u6216table<\/code>\u8868\u683c\uff0c\u82f1\u6587\u79f0\u4e3a“shrink-to-fit”<\/cite>\uff0c\u76f4\u8bd1\u4e3a\u201c\u6536\u7f29\u5230\u5408\u9002\u201d\uff0c\u6709\u90a3\u4e48\u70b9\u610f\u601d\uff0c\u4f46\u4e0d\u591f\u5f62\u8c61\uff0c\u6211\u81ea\u5df1\u4e00\u76f4\u628a\u8fd9\u79cd\u73b0\u8c61\u79f0\u4e3a\u201c\u5305\u88f9\u6027\u201d<\/strong>\u3002CSS3\u4e2d\u7684\"fit-content\"<\/code>\u6307\u7684\u5c31\u662f\u8fd9\u79cd\u5bbd\u5ea6\u8868\u73b0\u3002<\/p>\n<\/li>\n

  3. \u6536\u7f29\u5230\u6700\u5c0f<\/strong>\n

    \u8fd9\u4e2a\u6700\u5bb9\u6613\u51fa\u73b0\u5728table-layout<\/code>\u4e3aauto<\/code>\u7684\u8868\u683c\u4e2d\uff0c\u60f3\u5fc5\u6709\u7ecf\u9a8c\u7684\u5c0f\u4f19\u4f34\u4e00\u5b9a\u89c1\u8fc7\u4e0b\u9762\u8fd9\u6837\u4e00\u67f1\u64ce\u5929\u7684\u76db\u51b5\u7684\u5427\uff01<\/p>\n

    <\/p>\n

    \u5927\u5bb6\u7a7a\u95f4\u90fd\u4e0d\u591f\u7684\u65f6\u5019\uff0c\u6587\u5b57\u80fd\u65ad\u7684\u5c31\u65ad\uff0c\u4e2d\u6587\u662f\u968f\u4fbf\u65ad\u7684\uff0c\u82f1\u6587\u5355\u8bcd\u4e0d\u80fd\u65ad\u3002\u4e8e\u662f\u4e4e\uff0c\u7b2c\u4e00\u5217\u88ab\u65e0\u60c5\u5730\u6bcf\u4e2a\u5b57\u90fd\u65ad\u6389\uff0c\u5f62\u6210\u4e00\u67f1\u64ce\u5929\u3002\u8fd9\u79cd\u884c\u4e3a\u79f0\u4e4b\u4e3a“preferred minimum width”<\/cite>“\u6216\u8005“minimum content width”<\/cite>\u3002\u540e\u6765\u8fd8\u6709\u4e86\u4e00\u4e2a\u66f4\u52a0\u89c4\u8303\u597d\u542c\u7684\u540d\u5b57\"min-content\"<\/code>\u3002<\/p>\n<\/li>\n

  4. \u8d85\u51fa\u5bb9\u5668\u9650\u5236<\/strong>\n

    \u4e0a\u97621~3\u60c5\u51b5\uff0c\u9664\u975e\u6709\u660e\u786e\u7684width<\/code>\u76f8\u5173\u8bbe\u7f6e\uff0c\u5426\u5219\u5c3a\u5bf8\u90fd\u4e0d\u4f1a\u4e3b\u52a8\u8d85\u8fc7\u7236\u7ea7\u5bb9\u5668\u5bbd\u5ea6\u7684\uff0c\u4f46\u662f\uff0c\u5b58\u5728\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\uff0c\u4f8b\u5982\uff0c\u8fde\u7eed\u7684\u82f1\u6587\u6570\u5b57\uff0c\u597d\u957f\u597d\u957f\uff1b\u6216\u8005\u5185\u8054\u5143\u7d20\u88ab\u8bbe\u7f6e\u4e86white-space:nowrap<\/code>\uff0c\u5219\u8868\u73b0\u4e3a\u201c\u6070\u5982\u4e00\u6c5f\u6625\u6c34\u5411\u4e1c\u6d41\uff0c\u6d41\u5230\u65ad\u5d16\u4e5f\u4e0d\u56de\u5934\u201d\u3002<\/p>\n

    \u4f8b\u5982\u4e0b\u9762\u7684CSS\u4ee3\u7801\uff1a<\/p>\n

    \n.father {\n  width: 150px;\n  background-color: #cd0000;\n  white-space: nowrap;\n}\n.child {\n  display: inline-block;\n  background-color: #f0f3f9;\n}<\/pre>\n
    \u7ed3\u679c\uff1a<\/p>\n
    <\/p>\n
    \u5b50\u5143\u7d20\u5373\u4fdd\u6301\u4e86inline-block\u5143\u7d20\u7684\u6536\u7f29\u7279\u6027\uff0c\u540c\u65f6\u6700\u5927\u5185\u5bb9\u5bbd\u5ea6\uff0c\u76f4\u63a5\u65e0\u89c6\u4e86\u7236\u7ea7\u5bb9\u5668\u7684\u5bbd\u5ea6\u9650\u5236\u3002\u8fd9\u79cd\u73b0\u8c61\u540e\u6765\u5c31\u6709\u4e86\u4e13\u95e8\u7684\u5c5e\u6027\u503c\u63cf\u8ff0\uff0c\u53eb\u505a\"max-content\"<\/code>\uff0c\u4e86\u89e3\u5373\u53ef\u3002<\/p>\n<\/li>\n<\/ol>\n
    \u4e0a\u9762\u5c31\u662fwidth:auto<\/code>\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5bbd\u5ea6\u8868\u73b0\u2026\u2026\u7684\u7b80\u4ecb<\/strong>\u3002<\/p>\n
    \u6ca1\u9519\uff0c\u4e0a\u9762\u8bf4\u4e86\u8fd9\u4e48\u591a\u90fd\u662f\u7b80\u4ecb\uff0c\u66f4\u591a\u77e5\u8bc6\u70b9\u7bc7\u5e45\u539f\u56e0\u5c31\u4e0d\u5c55\u5f00\uff0c\u6709\u5174\u8da3\u53ef\u4ee5\u53bb\u4e66\u91cc\u5bfb\u627e\u3002<\/p>\n
    \u4e8c\u3001CSS3\u4e2d\u7684width:auto<\/h3>\n
    \u5728CSS3\u4e2d\uff0cwidth:auto<\/code>\u591a\u79cd\u5c3a\u5bf8\u8868\u73b0\u6709\u4e86\u4e13\u95e8\u7684\u5c5e\u6027\u503c\u8fdb\u884c\u5bf9\u5e94\u3002<\/p>\n
    \u5305\u62ecfill-available<\/code>, max-content<\/code>, min-content<\/code>, \u4ee5\u53cafit-content<\/code>\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    .example1 {\n    width: fill-available;\n}\n.example2 {\n    width: max-content;\n}\n.example3 {\n    width: min-content;\n}\n.example4 {\n    width: fit-content;\n}<\/pre>\n
    \u76ee\u524d\u6709\u4e9b\u5c5e\u6027\u751f\u6548\u8fd8\u9700\u8981webkit\u79c1\u6709\u524d\u7f00\u3002<\/p>\n
    \u5728\u79fb\u52a8\u7aef\u76ee\u524d\u662f\u53ef\u4ee5\u4f7f\u7528\u7684\uff0c\u6211\u81ea\u5df1\u7528\u4e0b\u6765\u8fd8\u4e0d\u9519\u3002\u4fdd\u7559\u5143\u7d20\u539f\u59cb\u7684display<\/code>\u8ba1\u7b97\u503c\uff0c\u53c8\u80fd\u6709\u5176\u4ed6\u4e0d\u4e00\u6837\u7684\u5bbd\u5ea6\u8868\u73b0\u3002<\/p>\n
    \u4ee5\u4e0aCSS3\u65b0\u7684width<\/code>\u5c5e\u6027\u503c\u6211\u4e4b\u524d\u6709\u4e13\u95e8\u5199\u8fc7\u6587\u7ae0\u4ecb\u7ecd\uff0c\u201c\u7406\u89e3CSS3 max\/min-content\u53cafit-content\u7b49width\u503c<\/a>\u201d\uff0c\u5e74\u4ee3\u4e45\u8fdc\uff0c\u4f30\u8ba1\u5df2\u7ecf\u6e6e\u6ca1\u4e86\uff0c\u4eca\u5929\u501f\u6b64\u673a\u4f1a\u518d\u5524\u9192\u4e0b\u3002<\/p>\n
    \u4e09\u3001\u7ed3\u675f\u8bed<\/h3>\n
    \u7aef\u5348\u8282\u7ad9\u70b9\u5168\u9762https\u5347\u7ea7\u540e\uff0c\u4e0d\u77e5\u9053\u662f\u56e0\u4e3a\u670d\u52a1\u5668IP\u53d8\u4e86\uff0c\u8fd8\u662f\u5176\u4ed6\u4ec0\u4e48\u539f\u56e0\uff0c\u641c\u7d22\u5f15\u64ce\u7684\u6536\u5f55\u65ad\u5d16\u5f0f\u4e0b\u8dcc\uff0c[\u6342\u8138]\uff0c\u6240\u4ee5\uff0c\u96be\u514d\u6709\u4e9b\u7126\u8651\uff0c\u6bd4\u65b9\u8bf4\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5199\u5230\u6700\u540e\u624d\u53d1\u73b0\u5c3c\u739b\u539f\u6765\u4e4b\u524d\u5199\u8fc7\u7c7b\u4f3c\u7684\u6587\u7ae0\uff0c\u6709\u4e9b\u6c34\uff0c\u7f6a\u8fc7\u7f6a\u8fc7\u3002<\/p>\n
    https\u5347\u7ea7\u8fd8\u662f\u8981\u5347\u7684\uff0c\u4ee5\u524d\u7684\u6536\u5f55\u4e22\u4e86\u5c31\u4e22\u4e86\u5427\uff0c\u5c31\u5f53\u91cd\u65b0\u5f00\u59cb\uff0c\u4ece\u96f6\u51fa\u53d1\uff0c\u518d\u5f00\u59cb\u6162\u6162\u79ef\u7d2f\u3002<\/p>\n
    <\/p>\n
    \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
    \n\u672c\u6587\u5730\u5740\uff1a    https:\/\/www.zhangxinxu.com\/wordpress\/?p=7819<\/a><\/p>\n
    \uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u6211\u4eec\u5e94\u8be5\u90fd\u77e5\u9053\uff0cwidth<\/code>\u7684\u9ed8\u8ba4\u503c\u662f'auto'<\/code>\uff0c'auto'<\/code>\u7531\u4e8e\u662f\u9ed8\u8ba4\u503c\uff0c\u51fa\u955c\u7387\u4e0d\u9ad8\uff0c\u4f46\u662f\uff0c\u5374\u662f\u4e2a\u6df1\u85cf\u4e0d\u9732\u7684\u5bb6\u4f19\uff0c\u5305\u542b\u4e86\u81f3\u5c114\u79cd\u4e0d\u540c\u7684\u5bbd\u5ea6\u8868\u73b0\uff0c\u800c\u4e14\u6bcf\u4e00\u79cd\u8868\u73b0\u2026\u2026<\/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":[1056,1059,883,1057,1058,574,1280],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/7819"}],"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=7819"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/7819\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=7819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=7819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=7819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}