{"id":567,"date":"2015-01-03T18:19:31","date_gmt":"2015-01-03T10:19:31","guid":{"rendered":"http:\/\/www.shuran.cn\/?p=567"},"modified":"2015-01-03T18:19:31","modified_gmt":"2015-01-03T10:19:31","slug":"%e5%a6%82%e4%bd%95%e8%ae%be%e7%bd%ae%e6%89%8b%e6%9c%ba%e7%bd%91%e7%ab%99%e5%ad%97%e4%bd%93%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/www.shuran.cn\/?p=567","title":{"rendered":"\u5982\u4f55\u8bbe\u7f6e\u624b\u673a\u7f51\u7ad9\u5b57\u4f53\u5927\u5c0f"},"content":{"rendered":"

\n\t\t\u5b57\u4f53\u7684\u63a7\u5236\uff0c\u65e0\u5916\u4e4e\u63a7\u5236CSS\u6587\u5b57\u5927\u5c0f\u5355\u4f4dPX\u3001EM\u3001PT\u3002\u8fd9\u91cc\u5f15\u7528\u7684\u662fJorux\u7684\u201c95%\u7684\u4e2d\u56fd\u7f51\u7ad9\u9700\u8981\u91cd\u5199CSS\u201d\u7684\u6587\u7ae0\uff0c \u9898\u76ee\u6709\u70b9\u5413\u4eba\uff0c\u4f46\u662f\u786e\u5b9e\u662f\u73b0\u5728\u56fd\u5185\u7f51\u9875\u5236\u4f5c\u65b9\u9762\u7684\u4e00\u4e9b\u7f3a\u9677\u3002\u6211\u4e00\u76f4\u4e5f\u641e\u4e0d\u6e05\u695apx\u4e0eem\u4e4b\u95f4\u7684\u5173\u7cfb\u548c\u7279\u70b9\uff0c\u770b\u8fc7\u4ee5\u540e\u786e\u5b9e\u6536\u83b7\u5f88\u5927\u3002\u5e73\u65f6\u90fd\u662f\u7528px\u6765\u5b9a\u4e49\u5b57 \u4f53\uff0c\u6240\u4ee5\u65e0\u6cd5\u7528\u6d4f\u89c8\u5668\u5b57\u4f53\u653e\u5927\u7684\u529f\u80fd\uff0c\u800c\u56fd\u5916\u5927\u591a\u6570\u7f51\u7ad9\u90fd\u53ef\u4ee5\u5728IE\u4e0b\u4f7f\u7528\u3002\u56e0\u4e3a\uff1a\n\t<\/p>\n

 \n<\/p>\n

\n\t 1. IE\u65e0\u6cd5\u8c03\u6574\u90a3\u4e9b\u4f7f\u7528px\u4f5c\u4e3a\u5355\u4f4d\u7684\u5b57\u4f53\u5927\u5c0f;<\/b><\/span>\n<\/p>\n

\n\t 2. \u56fd\u5916\u7684\u5927\u90e8\u5206\u7f51\u7ad9\u80fd\u591f\u8c03\u6574\u7684\u539f\u56e0\u5728\u4e8e\u5176\u4f7f\u7528\u4e86em\u4f5c\u4e3a\u5b57\u4f53\u5355\u4f4d;<\/b><\/span>\n<\/p>\n

\n\t 3. Firefox\u80fd\u591f\u8c03\u6574px\u548cem\uff0c\u4f46\u662f96%\u4ee5\u4e0a\u7684\u4e2d\u56fd\u7f51\u6c11\u4f7f\u7528IE\u6d4f\u89c8\u5668(\u6216\u5185\u6838)\u3002<\/b><\/span>\n<\/p>\n

\n\t \n<\/p>\n

\n\t px\u50cf\u7d20(Pixel)\u662f\u76f8\u5bf9\u957f\u5ea6\u5355\u4f4d\uff0c\u50cf\u7d20px\u662f\u76f8\u5bf9\u4e8e\u663e\u793a\u5668\u5c4f\u5e55\u5206\u8fa8\u7387\u800c\u8a00\u7684\u3002(\u5f15\u81eaCSS2.0\u624b\u518c)<\/span>\n<\/p>\n

\n\t em\u662f\u76f8\u5bf9\u957f\u5ea6\u5355\u4f4d\uff0c\u76f8\u5bf9\u4e8e\u5f53\u524d\u5bf9\u8c61\u5185\u6587\u672c\u7684\u5b57\u4f53\u5c3a\u5bf8\u3002\u5982\u5f53\u524d\u5bf9\u884c\u5185\u6587\u672c\u7684\u5b57\u4f53\u5c3a\u5bf8\u672a\u88ab\u4eba\u4e3a\u8bbe\u7f6e\uff0c\u5219\u76f8\u5bf9\u4e8e\u6d4f\u89c8\u5668\u7684\u9ed8\u8ba4\u5b57\u4f53\u5c3a\u5bf8\u3002(\u5f15\u81eaCSS2.0\u624b\u518c)<\/span>\n<\/p>\n

\n\t \n<\/p>\n

\n\t \u5b57\u4f53\u5355\u4f4d\u4f7f\u7528em\u80fd\u652f\u6301IE6\u4e0b\u7684\u5b57\u4f53\u7f29\u653e\uff0c\u5728\u9875\u9762\u4e2d\u6309ctrl+\u6eda\u8f6e\uff0c\u5b57\u4f53\u4ee5px\u4e3a\u5355\u4f4d\u7684\u7f51\u7ad9\u6ca1\u6709\u53cd\u5e94\u3002<\/span>\n<\/p>\n

\n\t px<\/b>\u662f\u7edd\u5bf9\u5355\u4f4d\uff0c\u4e0d\u652f\u6301IE\u7684\u7f29\u653e\u3002<\/span>\n<\/p>\n

\n\t em<\/b>\u662f\u76f8\u5bf9\u5355\u4f4d\uff0c\u7f51\u9875\u4e2d\u7684\u6587\u5b57\u80fd\u653e\u5927\u548c\u7f29\u5c0f\u3002\u5c06\u884c\u8ddd(line-height)\uff0c\u548c\u7eb5\u5411\u9ad8\u5ea6\u7684\u5355\u4f4d\u90fd\u7528em\u3002\u4fdd\u8bc1\u7f29\u653e\u65f6\u5019\u7684\u6574\u4f53\u6027\u3002<\/span>\n<\/p>\n

\n\t \u4efb\u610f\u6d4f\u89c8\u5668\u7684\u9ed8\u8ba4\u5b57\u4f53\u9ad8\u90fd\u662f16px\u3002\u6240\u6709\u672a\u7ecf\u8c03\u6574\u7684\u6d4f\u89c8\u5668\u90fd\u7b26\u5408: 1em=16px\u3002\u90a3\u4e4812px=0.75em,10px=0.625em\u3002\u4e3a\u4e86\u7b80\u5316font-size\u7684\u6362\u7b97\uff0c\u9700\u8981\u5728css\u4e2d\u7684body\u9009\u62e9\u5668\u4e2d\u58f0\u660e Font-size=62.5%\uff0c\u8fd9\u5c31\u4f7fem\u503c\u53d8\u4e3a 16px*62.5%=10px, \u8fd9\u683712px=1.2em, 10px=1em, \u4e5f\u5c31\u662f\u8bf4\u53ea\u9700\u8981\u5c06\u4f60\u7684\u539f\u6765\u7684px\u6570\u503c\u9664\u4ee510\uff0c\u7136\u540e\u6362\u4e0aem\u4f5c\u4e3a\u5355\u4f4d\u5c31\u884c\u4e86\u3002<\/span>\n<\/p>\n

\n\t em\u6709\u5982\u4e0b\u7279\u70b9\uff1a<\/span>\n<\/p>\n

\n\t 1. em\u7684\u503c\u5e76\u4e0d\u662f\u56fa\u5b9a\u7684;<\/b><\/span>\n<\/p>\n

\n\t 2. em\u4f1a\u7ee7\u7eed\u7236\u7ea7\u5143\u7d20\u7684\u5b57\u4f53\u5927\u5c0f\u3002<\/b><\/span>\n<\/p>\n

\n\t \u6240\u4ee5\u6211\u4eec\u5728\u5199CSS\u7684\u65f6\u5019\uff0c\u9700\u8981\u6ce8\u610f\uff1a<\/span>\n<\/p>\n

\n\t 1. body\u9009\u62e9\u5668\u4e2d\u58f0\u660eFont-size=62.5%;(Font-size=63%;\u7528\u4e8eie6\u517c\u5bb9)<\/b><\/span>\n<\/p>\n

\n\t 2. \u5c06\u4f60\u7684\u539f\u6765\u7684px\u6570\u503c\u9664\u4ee510\uff0c\u7136\u540e\u6362\u4e0aem\u4f5c\u4e3a\u5355\u4f4d;<\/b><\/span>\n<\/p>\n

\n\t 3. \u91cd\u65b0\u8ba1\u7b97\u90a3\u4e9b\u88ab\u653e\u5927\u7684\u5b57\u4f53\u7684em\u6570\u503c\u3002\u907f\u514d\u5b57\u4f53\u5927\u5c0f\u7684\u91cd\u590d\u58f0\u660e\u3002<\/b><\/span>\n<\/p>\n

\n\t \n<\/p>\n

\n\t \u4e5f\u5c31\u662f\u907f\u514d1.2 * 1.2= 1.44\u7684\u73b0\u8c61\u3002\u6bd4\u5982\u8bf4\u4f60\u5728#content\u4e2d\u58f0\u660e\u4e86\u5b57\u4f53\u5927\u5c0f\u4e3a1.2em\uff0c\u90a3\u4e48\u5728\u58f0\u660ep\u7684\u5b57\u4f53\u5927\u5c0f\u65f6\u5c31\u53ea\u80fd\u662f1em\uff0c\u800c\u4e0d\u662f1.2em, \u56e0\u4e3a\u6b64em\u975e\u5f7cem\uff0c\u5b83\u56e0\u7ee7\u7eed#content\u7684\u5b57\u4f53\u9ad8\u800c\u53d8\u4e3a\u4e861em=12px\u3002<\/span>\n<\/p>\n

\n\t \u4f46\u662f12px\u6c49\u5b57\u4f8b\u5916\uff0c\u5c31\u662f\u7531\u4ee5\u4e0a\u65b9\u6cd5\u5f97\u5230\u768412px(1.2em)\u5927\u5c0f\u7684\u6c49\u5b57\u5728IE\u4e2d\u5e76\u4e0d\u7b49\u4e8e\u76f4\u63a5\u752812px\u5b9a\u4e49\u7684\u5b57\u4f53\u5927\u5c0f\uff0c\u800c\u662f\u7a0d\u5927\u4e00\u70b9\u3002\u8fd9\u4e2a\u95ee\u9898 Jorux\u5df2\u7ecf\u89e3\u51b3\uff0c\u53ea\u9700\u5728body\u9009\u62e9\u5668\u4e2d\u628a62.5%\u6362\u621063%\u5c31\u80fd\u6b63\u5e38\u663e\u793a\u4e86\u3002\u539f\u56e0\u53ef\u80fd\u662fIE\u5904\u7406\u6c49\u5b57\u65f6\uff0c\u5bf9\u4e8e\u6d6e\u70b9\u7684\u53d6\u503c\u7cbe\u786e\u5ea6\u6709\u9650\u3002\u4e0d\u77e5\u9053\u6709\u6ca1\u6709 \u5176\u4ed6\u7684\u89e3\u91ca\u3002<\/span>\n<\/p>\n

\n\t \n<\/p>\n

\n\t \u5355\u4f4dpt\u7684\u8bf4\u660e<\/b><\/span>\n<\/p>\n

\n\t \u5728\u5370\u5237\u6392\u7248\u4e2d,point\u662f\u4e00\u4e2a\u7edd\u5bf9\u503c,\u5b83\u7b49\u4e8e1\/72\u82f1\u5bf8,\u53ef\u4ee5\u7528\u5c3a\u5b50\u4e08\u91cf\u7684,\u7269\u7406\u7684\u82f1\u5bf8\u3002\u4f46\u662f\u5728css\u4e2dpt\u542b\u4e49\u5374\u5e76\u975e\u5982\u6b64\u3002\u56e0\u4e3a\u6211\u4eec\u7684\u663e\u793a\u5668 \u88ab\u5206\u5272\u4e3a\u4e86\u4e00\u4e2a\u4e2a\u7684\u50cf\u7d20\uff0c\u5355\u4e2a\u50cf\u7d20\u53ea\u80fd\u6709\u4e00\u79cd\u989c\u8272 (\u4e3a\u4e86\u7b80\u5316\uff0c\u8fd9\u91cc\u6682\u4e0d\u8ba8\u8bba\u6b21\u50cf\u7d20\u53cd\u952f\u9f7f\u6280\u672f)\uff0c\u8981\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\uff0c\u5fc5\u987b\u5148\u628a\u4ee5 pt \u4e3a\u5355\u4f4d\u7684\u957f\u5ea6\u8f6c\u6362\u4e3a\u4ee5\u50cf\u7d20\u4e3a\u5355\u4f4d\u7684\u957f\u5ea6\uff0c\u8fd9\u4e2a\u8f6c\u6362\u7684\u5a92\u4ecb\uff0c\u5c31\u662f DPI (\u4e8b\u5b9e\u4e0a\uff0c\u8fd9\u91cc\u7684\u6240\u8c13\u7684 DPI\uff0c\u662f\u64cd\u4f5c\u7cfb\u7edf\u548c\u6d4f\u89c8\u5668\u4e2d\u4f7f\u7528\u7684\u672f\u8bed\uff0c\u5373\u4e3a PPI, pixels per inch\uff0c\u548c\u626b\u63cf\u4eea\u3001\u6253\u5370\u673a\u3001\u6570\u7801\u76f8\u673a\u4e2d\u7684 DPI \u662f\u4e0d\u540c\u7684\u6982\u5ff5)\u3002<\/span>\n<\/p>\n

\n\t \n<\/p>\n

\n\t \u4f8b\u5982\uff0c\u65e0\u8bba\u5728\u54ea\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0cFirefox \u6d4f\u89c8\u5668\u9ed8\u8ba4\u7684 DPI \u90fd\u662f 96\uff0c\u90a3\u4e48\u5b9e\u9645\u4e0a 9pt = 9 * 1\/72 * 96 = 12px\u3002<\/span>\n<\/p>\n

\n\t \u6240\u4ee5\uff0c\u867d\u7136\u201cDPI\u201d\u4e2d\u7684\u201cI\u201d\u548c\u201c1pt \u7b49\u4e8e 1\/72 inch\u201d\u4e2d\u7684\u201cinch\u201d\uff0c\u90fd\u4e0d\u4ee3\u8868\u7269\u7406\u4e0a\u7684\u82f1\u5bf8\uff0c\u4f46\u8fd9\u4e24\u4e2a\u5355\u4f4d\u4e92\u76f8\u4e4b\u95f4\u662f\u76f8\u7b49\u7684\uff0c\u4e5f\u5c31\u5728\u76f8\u4e58\u4e2d\u7ea6\u6389\u4e86\u3002<\/span>\n<\/p>\n

\n\t \u90a3\u4e48\uff0c\u771f\u5b9e\u7684\u7269\u7406\u957f\u5ea6\u600e\u4e48\u8ba1\u7b97\u5462?\u8bf7\u62ff\u51fa\u4e00\u628a\u5c3a\u5b50\uff0c\u4e08\u91cf\u4f60\u7684\u663e\u793a\u5668\u7684\u53ef\u89c1\u5bbd\u5ea6 (\u6211\u8fd9\u91cc\u662f 11.2992 \u82f1\u5bf8)\uff0c\u9664\u4ee5\u6a2a\u5411\u5206\u8fa8\u7387 (\u6211\u8fd9\u91cc\u662f 1024 \u50cf\u7d20)\uff0c\u5f97\u5230\u7684\u5c31\u662f\u6bcf\u4e2a\u50cf\u7d20\u7684\u7269\u7406\u957f\u5ea6\u3002<\/span>\n<\/p>\n

\n\t \n<\/p>\n

\n\t \u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u56de\u7b54\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff0c\u7f51\u9875\u4e0a 9pt \u7684\u5b57\u4f53\u7a76\u7adf\u5360\u7528\u4e86\u591a\u5bbd\u7684\u7a7a\u95f4?\u7b54\u6848\u662f:\u3000\u30009 * 1\/72 * 96 * 11.2992 \/ 1024 = 0.1324 \u82f1\u5bf8 = 0.3363 \u5398\u7c73\u3002<\/span>\n<\/p>\n

\n\t \u867d\u7136pt\u662f\u7edd\u5bf9\u5355\u4f4d\uff0c\u4f46\u662f\u90a3\u53ea\u662f\u9488\u5bf9\u8f93\u51fa\u8bbe\u5907\u800c\u8a00\u7684\uff0c\u5728\u6587\u5b57\u6392\u7248\u5de5\u5177(word\uff0cabobe)\u4e2d\u662f\u975e\u5e38\u6709\u7528\u7684\u5b57\u4f53\u5355\u4f4d\u3002\u4e0d\u7ba1\u663e\u793a\u5668\u7684\u5206\u8fa8\u7387\u662f\u591a\u5c11\uff0c\u6253\u5370\u5728\u7eb8\u9762\u4e0a\u7684\u7ed3\u679c\u662f\u4e00\u6837\u7684\u3002<\/span>\n<\/p>\n

\n\t \u4f46\u662f\u7f51\u9875\u4e3b\u8981\u4e3a\u4e86\u5c4f\u5e55\u663e\u793a\uff0c\u800c\u4e0d\u662f\u4e3a\u4e86\u6253\u5370\u7b49\u5176\u4ed6\u9700\u8981\u7684\u3002\u800cpx\u80fd\u591f\u7cbe\u786e\u5730\u8868\u793a\u5143\u7d20\u5728\u5c4f\u5e55\u4e2d\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u3002<\/span>\n<\/p>\n

\n\t \u5f53\u7136\u3002\u5728dpi\u662f96\u7684\u60c5\u51b5\u4e0b\uff0c9pt=12px\u3002<\/span>
\n\"px\u3001em\u3001%\u548cpt\u6362\u7b97\u8868\"<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5b57\u4f53\u7684\u63a7\u5236\uff0c\u65e0\u5916\u4e4e\u63a7\u5236CSS\u6587\u5b57\u5927\u5c0f\u5355\u4f4dPX\u3001EM\u3001PT\u3002\u8fd9\u91cc\u5f15\u7528\u7684\u662fJorux\u7684\u201c95%\u7684\u4e2d\u56fd\u7f51\u7ad9\u9700\u8981\u91cd\u5199C\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-567","post","type-post","status-publish","format-standard","hentry","category-js"],"_links":{"self":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=567"}],"version-history":[{"count":1,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/567\/revisions"}],"predecessor-version":[{"id":568,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/567\/revisions\/568"}],"wp:attachment":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}