{"id":5416,"date":"2016-06-03T23:09:50","date_gmt":"2016-06-03T15:09:50","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=5416"},"modified":"2016-07-01T18:28:38","modified_gmt":"2016-07-01T10:28:38","slug":"pseudo-response-layout-base-on-screen-width","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2016\/06\/pseudo-response-layout-base-on-screen-width\/","title":{"rendered":"\u57fa\u4e8escreen.width\u7684\u4f2a\u54cd\u5e94\u5f0f\u5f00\u53d1"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a><br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=5416\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=5416<\/a><\/p>\n<h3>\u4e00\u3001\u7ad9\u5728\u7528\u6237\u7684\u89d2\u5ea6\u770b\u95ee\u9898<\/h3>\n<p>\u4e00\u4e2a\u7528\u6237\uff0c\u8bbf\u95ee\u4e00\u4e2aweb\u9875\u9762\u7684\u771f\u5b9e\u573a\u666f\u662f\u600e\u6837\u7684\u5462\uff1f<\/p>\n<p>\u4e0b\u9762\u662f\u67d0\u7528\u6237\u8bbf\u95ee\u67d0\u7ad9\u70b9\u7684\u4e00\u4e2a\u573a\u666f\uff1a<\/p>\n<p>1. \u5c0f\u660e\u6253\u5f00\u4e86\u81ea\u5df1\u7684\u7535\u8111\uff0c\u8bbf\u95ee\u4e86\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\uff1b<br \/>\n2. \u5c0f\u660e\u4f53\u5185\u6d2a\u8352\u4e4b\u529b\u65e0\u6cd5\u63a7\u5236\uff0c\u75af\u72c2\u62d6\u52a8\u6d4f\u89c8\u5668\u6539\u53d8\u5176\u5bbd\u5ea6\u611f\u53d7\u9875\u9762\u5e03\u5c40\u53d8\u5316\uff1b<br \/>\n3. \u5367\u69fd\uff0c\u53d1\u73b0\u9875\u9762\u5c45\u7136\u662f\u54cd\u5e94\u5f0f\u7684\uff0c\u4e0d\u7531\u5f97\u611f\u53f9\uff1a\u5b9e\u73b0\u7684\u591f\u9a9a\u6c14\uff01<img decoding=\"async\" src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/76.gif\" align=\"absmiddle\"><\/p>\n<p><img src='http:\/\/image.zhangxinxu.com\/image\/blog\/201606\/xiaoming.jpg' width=\"320\" height=\"240\" alt=\"\u5c0f\u660e\u662f\u524d\u7aef\u5f00\u53d1\" class=\"alignnone\" \/><\/p>\n<p>\u5f88\u663e\u7136\uff0c\u5c0f\u660e\u8981\u4e48\u662f\u96f7\u871c\u80e1\u7c89\u5fc3\u788e\u6293\u72c2\uff0c\u8981\u4e0d\u5c31\u662f\u524d\u7aef\u5f00\u53d1\u804c\u4e1a\u75c5\u53d1\u4f5c\u96be\u8010\u3002\u4f5c\u4e3a\u771f\u5b9e\u7684\u7528\u6237\u662f\u4e0d\u4f1a\u628a\u6d4f\u89c8\u5668\u523b\u610f\u7f29\u5c0f\u53bb\u4f53\u9a8c\u7684\uff0c\u4f60\u60f3\u60f3\u770b\u4f60\u5e73\u65f6\u4e0a\u7f51\u7684\u65f6\u5019\uff0c\u4f1a\u628a\u6d4f\u89c8\u5668\u7a97\u53e3\u62c9\u5230\u5f88\u5c0f\u5417\uff1f\u6015\u662f\u5acc\u5c4f\u5e55\u5c0f\uff0c\u6068\u4e0d\u5f97\u663e\u793a\u5668\u5927\u5230\u94fa\u6ee1\u529e\u516c\u684c\u5427~~<\/p>\n<h3>\u4e8c\u3001\u56de\u5230\u4f20\u7edf\u7684\u54cd\u5e94\u5f0f\u5f00\u53d1<\/h3>\n<p>\u4f20\u7edf\u7684\u54cd\u5e94\u5f0f\u5b9e\u73b0\u5f80\u5f80\u57fa\u4e8e\u57fa\u4e8emedia query\u67e5\u8be2\uff0c\u4f8b\u5982\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>@media screen and (max-width: 480px) {\n    <span style=\"color:green;\">\/* \u7a84\u5c4f\u4e0b *\/<\/span>\n}\n<\/pre>\n<\/div>\n<p>\u8fd9\u662f\u57fa\u4e8eCSS\u7684\u5e03\u5c40\u63a7\u5236\uff0c\u56e0\u6b64\uff0c\u5f53\u6211\u4eec\u7f29\u5c0f\u6d4f\u89c8\u5668\u7a97\u53e3\uff0c\u53ef\u4ee5\u5373\u65f6\u770b\u5230\u5e03\u5c40\u53d8\u5316\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u5b9e\u73b0\u5728\u6211\u770b\u6765\uff0c\u9664\u4e86\u8ba9\u603b\u76d1\u5927\u4eba\u53ef\u4ee5\u65b9\u4fbf\u4f53\u9a8c\u7a84\u5c4f\u6548\u679c\u5916\uff0c\u5c31\u7136\u5e76\u5375\u4e86\uff01 \u800c\u53cd\u5012\u662f\u6709\u53ef\u80fd\u589e\u52a0\u4e86\u989d\u5916\u7684\u8d44\u6e90\u6d88\u8017\u548c\u5f00\u53d1\u6210\u672c\u3002<img decoding=\"async\" src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/15.gif\" align=\"absmiddle\"><\/p>\n<p><code>@media<\/code>\u53ef\u4ee5\u5373\u65f6\u63a7\u5236\u5bbd\u7a84\u5e03\u5c40\uff0c\u5f88\u81ea\u7136\u5730\uff0c\u6211\u4eec\u7684JS\u903b\u8f91\u4e5f\u8981\u4e00\u5e76\u8ddf\u4e0a\u3002\u5047\u5982\u8bf4\uff0cPC\u548cmobile\u6709\u5f88\u591a\u4e0d\u540c\u7684\u4ea4\u4e92\u903b\u8f91\uff0c\u6211\u4eec\u7684HTML\u662f\u540c\u4e00\u5957\uff0c\u5f53\u6211\u4eec\u5728\u54cd\u5e94PC\u548cMobile\u96f6\u754c\u70b9\u4e0d\u505c\u53d8\u6362\u7684\u65f6\u5019\uff0c\u6211\u4eec\u7684JS\u903b\u8f91\u662f\u4e0d\u662f\u4e5f\u8981\u8ddf\u7740\u5373\u65f6\u53d8\u5316\uff01<\/p>\n<p>\u8fd9\u5c31\u5bfc\u81f4\u95ee\u9898\u6765\u4e86\uff0cCSS\u6d4f\u89c8\u5668\u6e32\u67d3\uff0c\u672c\u8eab\u5373\u65f6\u54cd\u5e94\u3002\u4f46JS\u4e14\u4e0d\u4e00\u6837\uff0c\u6211\u4eec\u5fc5\u987b\u5b9e\u65f6\u76d1\u6d4b\u662fPC\u5bbd\u5ea6\u8fd8\u662fMobile\u5bbd\u5ea6\uff0c\u540c\u65f6PC\u7684click\u4e8b\u4ef6\u548cMobile\u7684touch\u4e8b\u4ef6\u53ef\u80fd\u5c31\u5728\u540c\u4e00\u4e2a\u5143\u7d20\u4e0a\u641e\u57fa\u4e86\uff0c\u4e5f\u86ee\u7d2f\u5fc3\u7684\u3002\u4e3a\u4e86\u6211\u4eec\u81ea\u5df1\u7701\u5fc3\uff0c\u6211\u4eec\u5c31\u53ef\u80fd\u53bb\u9650\u5236\u8bbe\u8ba1\u5e08\u518d\u505a\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u7684\u65f6\u5019\uff0c\u4e24\u8005\u5dee\u5f02\u4e0d\u8981\u592a\u5927\u3002\u6211\u53bb\uff0c\u6280\u672f\u5df2\u7ecf\u4e0d\u662f\u5e2e\u52a9\u4ea7\u54c1\u8bbe\u8ba1\u4f53\u9a8c\u5347\u7ea7\uff0c\u800c\u662f\u53bb\u5236\u7ea6\u8bbe\u8ba1\u4e86\uff0c\u8d35\u53f8\u7684\u8bbe\u8ba1\u5e08\u597d\u60e8\uff01<\/p>\n<p>\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u8d44\u6e90\u6d88\u8017\u7684\u95ee\u9898\uff0c\u62ff\u7f51\u7ad9\u5934\u56fe\u4e3e\u4f8b\uff0cPC\u7684\u5934\u56fe\u53ef\u80fd\u662f\u5f20\u5927\u5927\u7684\u957f\u56fe\uff0cMobile\u662f\u4e2a\u65b9\u65b9\u7684\u56fe\u7247\u3002\u5373\u65f6\u54cd\u5e94\u4e5f\u5c31\u610f\u5473\u7740\u8fd9\u4e24\u4e2a\u56fe\u90fd\u53ef\u80fd\u4f1a\u88ab\u52a0\u8f7d\u3002<\/p>\n<p>\u90a3\u6709\u6ca1\u6709\u4ec0\u4e48\u529e\u6cd5\u65e2\u80fd\u6ee1\u8db3\u54cd\u5e94\u5f0f\u7684\u9700\u6c42\uff0c\u540c\u65f6\u6211\u4eec\u5f00\u53d1\u8fd9\u8fb9\u4e0d\u8981\u90a3\u4e48\u70e6\u5fc3\u5462\uff1f<\/p>\n<p>\u8bd5\u8bd5\u4f7f\u7528<code>screen.width<\/code>\u6765\u505a\u4f2a\u54cd\u5e94\u5f0f\u5f00\u53d1\u3002<\/p>\n<h3>\u4e09\u3001screen.width\u4f2a\u54cd\u5e94\u5f0f\u5f00\u53d1<\/h3>\n<p>\u9996\u5148\u8981\u4e86\u89e3\u4e0b\u4e0d\u4f1a\u8bf4\u8c0e\u7684<code>screen.width<\/code>\uff0c<code>screen.width<\/code>\u987e\u540d\u601d\u4e49\u5c31\u662f\u5c4f\u5e55\u7684\u5bbd\u5ea6\uff0c\u5bf9\uff0c\u5c4f\u5e55\u7684\u5bbd\u5ea6\uff0c\u4e0e\u663e\u793a\u5668\u5bbd\u5ea6\u6ca1\u6709\u4efb\u4f55\u5173\u7cfb\uff0c\u5c31\u7b97\u4f60\u628a\u663e\u793a\u5668\u5bbd\u5ea6\u7f29\u5c0f\u5230\u829d\u9ebb\u7cca\u90a3\u4e48\u5927\uff0c<code>screen.width<\/code>\u8fd8\u662f\u4e0d\u4f1a\u53d8\u3002<\/p>\n<p>\u5728\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1907\">CSSOM\u89c6\u56fe\u6a21\u5f0f\u76f8\u5173\u6574\u7406<\/a>\u201d\u4e00\u6587\u4e2d\u6709\u8fc7\u4ecb\u7ecd\uff0c\u5305\u62ecIE6\u5728\u5185\u7684\u6d4f\u89c8\u5668\u5168\u652f\u6301\u3002<\/p>\n<p>\u7531\u4e8e<code>screen.width<\/code>\u4e0d\u4f1a\u8bf4\u8c0e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u77ac\u95f4\u786e\u5b9a\u7528\u6237\u5b9e\u73b0\u7684\u5bbd\u5c4f\u8bbe\u5907\u8fd8\u662f\u7a84\u5c4f\u8bbe\u5907\uff0c\u800c<code>@media screen<\/code>\u7684\u5bbd\u5ea6\u662f\u6d4f\u89c8\u5668\u7684\u53ef\u7528\u5bbd\u5ea6\uff0c\u5f88\u5bb9\u6613\u5c31\u88ab\u7528\u6237\u6b3a\u9a97\u7684\u3002<\/p>\n<p><strong>\u5173\u4e8escreen.width\u53ef\u80fd\u7684\u7591\u95ee<\/strong><\/p>\n<ol>\n<li><strong>\u624b\u673a\u5982\u679c\u6a2a\u7740\u8bbf\u95ee\u4f1a\u600e\u6837\uff1f<\/strong><br \/>\n\u6839\u636e\u6211\u5728\u81ea\u5df1\u624b\u673a\u4e0a\u7684\u6d4b\u8bd5\uff0c\u4f60\u624b\u673a\u6a2a\u8fc7\u6765\u8fd8\u662f\u7ad6\u8fc7\u6765\uff0c<code>screen.width<\/code>\u90fd\u662f\u4f60\u5c4f\u5e55\u7ad6\u7740\u6d4f\u89c8\u65f6\u5019\u7684\u5bbd\u5ea6\u3002\u597d\u6bd4\u80be6\uff0c\u4f60\u6a2a\u7ad6\u6d4f\u89c8\uff0c\u6b64\u65f6<code>screen.width<\/code>\u90fd\u662f<code>375px<\/code>;<\/li>\n<li><strong>PC\u6d4f\u89c8\u5668\u5982\u4f55\u6d4b\u8bd5\uff1f<\/strong><br \/>\n\u6d4b\u8bd5\u7684\u8bdd\u4e0d\u662f\u7f29\u5c0f\u6d4f\u89c8\u5668\u5bbd\u5ea6\uff0c\u800c\u662f\u6253\u5f00\u63a7\u5236\u53f0\uff0c\u8fdb\u5165\u624b\u673a\u6a21\u5f0f\uff0c\u6b64\u65f6\uff0c<code>screen.width<\/code>\u4e5f\u4f1a\u8ddf\u7740\u4e00\u8d77\u53d8\u54e6~\u8bb0\u5f97\u5237\u65b0\u4e0b\u9875\u9762~<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201606\/2016-06-03_230356.png\" width=\"118\" height=\"87\" alt=\"\u624b\u673a\u6a21\u5f0f\" class=\"alignnone\" \/><\/li>\n<\/ol>\n<p>\u53ea\u8981\u6211\u4eec\u786e\u8ba4\u4e86\u7528\u6237\u7684\u5c4f\u5e55\u5c3a\u5bf8\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u4e00\u5f00\u59cb\u5c31\u786e\u5b9a\u6211\u4eec\u7684\u9875\u9762\u5e03\u5c40\u4ee5\u53ca\u6240\u9700\u8981\u7684\u4ea4\u4e92\uff0c\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728<code>&lt;head&gt;<\/code>\u6807\u7b7e\u5185\u653e\u5165\u8fd9\u4e48\u4e00\u6bb5\u5185\u8054script:<\/p>\n<div class=\"zxx_code\">\n<pre>(function(doc, win) {\n    var screenWidth = 0, size = 'M', root = doc.documentElement;\n    if (window.screen && screen.width) {\n        screenWidth = screen.width;\n        if (screenWidth > 1920) {\n            <span style=\"color:green;\">\/\/ \u8d85\u5927\u5c4f\uff0c\u4f8b\u5982iMac<\/span>\n            size = 'L';\n        } else if (screenWidth < 480) {\n            <span style=\"color:green;\">\/\/ \u5c0f\u5c4f\uff0c\u5982\u624b\u673a<\/span>\n            size = 'S';\n        }\n    }\n    <span style=\"color:green;\">\/\/ \u6807\u8bb0CSS<\/span>\n    root.className = size;\n    <span style=\"color:green;\">\/\/ \u6807\u8bb0JS<\/span>\n    win.SIZE = size;        \n})(document, window);\n<\/pre>\n<\/div>\n<p>\u4e0a\u9762\u7684\u811a\u672c\u5728\u9875\u9762\u52a0\u8f7d\u7684\u4e00\u5f00\u59cb\uff0c\u5c31\u786e\u5b9a\u4e86\u662f\u5927\u5c4f\uff0c\u666e\u901a\u5c4f\u8fd8\u662f\u5c0f\u5c4f\uff0c\u7136\u540e\u518d\u6267\u884c\u54cd\u5e94\u7684\u6e32\u67d3\u548c\u811a\u672c\u6267\u884c\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u5b9e\u9645\u9879\u76ee\uff0c\u4fee\u6539\u4e0a\u9762\u7684<code>size<\/code>\u53d8\u91cf\u3002<\/p>\n<p>\u4e8e\u662f\u4e4e\uff0c\u6211\u4eec\u65e0\u8bba\u662fCSS\u6e32\u67d3\u8fd8\u662fJS\u903b\u8f91\u5904\u7406\uff0c\u90fd\u662f1\u6761\u7ebf\u4e0b\u6765\uff0c\u5b8c\u5168\u6ca1\u6709<code>@media screen<\/code>\u5373\u65f6\u5207\u6362\u800c\u4e0d\u5f97\u5df2\u8026\u5408\u5728\u4e00\u8d77\u7684JS\u903b\u8f91\u5904\u7406\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201606\/2016-06-03_224934.png\" width=\"471\" height=\"338\" alt=\"CSS\u548cJS\u903b\u8f91\u7ebf\" class=\"alignnone\" \/><\/p>\n<p>\u5178\u578b\u7684\u4f2a\u54cd\u5e94\u5f0f\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.S .example {\n  <span style=\"color:green;\">\/* \u79fb\u52a8\u7aef\u7684\u6837\u5f0f *\/<\/span>\n}<\/pre>\n<\/div>\n<div class=\"zxx_code\">\n<pre>if (window.SIZE == 'S') {\n  <span style=\"color:green;\">\/\/ \u79fb\u52a8\u7aef\u7684\u5904\u7406<\/span>\n} else {\n  <span style=\"color:green;\">\/\/ 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src=\"http:\/\/mat1.gtimg.com\/www\/mb\/images\/face\/21.gif\" align=\"absmiddle\"><\/p>\n<h3>\u56db\u3001\u7ed3\u8bed<\/h3>\n<p>\u672c\u6587\u5e76\u4e0d\u662f\u5426\u51b3\u57fa\u4e8emedia 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