{"id":4371,"date":"2014-10-19T20:10:18","date_gmt":"2014-10-19T12:10:18","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=4371"},"modified":"2018-04-30T20:13:27","modified_gmt":"2018-04-30T12:13:27","slug":"responsive-images-srcset-size-w-descriptor","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2014\/10\/responsive-images-srcset-size-w-descriptor\/","title":{"rendered":"\u54cd\u5e94\u5f0f\u56fe\u7247srcset\u5168\u65b0\u91ca\u4e49sizes\u5c5e\u6027w\u63cf\u8ff0\u7b26"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=4371<\/a><\/p>\n

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<img src=\"mm-width-128px.jpg\" srcset=\"mm-width-128px.jpg 1x, mm-width-256px.jpg 2x\"><\/pre>\n<\/div>\n
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<img src=\"mm-width-128px.jpg\" srcset=\"mm-width-256px.jpg 2x\"><\/pre>\n<\/div>\n
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\"iphone<\/p>\n
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<img src=\"small.jpg\" srcset=\"small.jpg 640w 1x, small-hd.jpg 640w 2x, large.jpg 1x, large-hd.jpg 2x\"><\/pre>\n<\/div>\n
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\/\/zxx: \u4e0b\u6587\u5185\u5bb92018-01-02\u5168\u90e8\u91cd\u5199\u4e86<\/span><\/p>\n
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<img src=\"128px.jpg\"\n     srcset=\"128px.jpg 128w, 256px.jpg 256w, 512px.jpg 512w\"\n     sizes=\"(max-width: 360px) 340px, 128px\">\n\n<img src=\"128px.jpg\"\n     srcset=\"128px.jpg 128w, 256px.jpg 256w, 512px.jpg 512w\"\n     sizes=\"(max-width: 360px) calc(100vw - 20px), 128px\">\n<\/pre>\n
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srcset=\"128px.jpg 128w, 256px.jpg 256w, 512px.jpg 512w\"<\/pre>\n
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\u539f\u56e0\u5982\u4e0b\uff1a<\/strong><\/p>\n
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\n\"256\"<\/p>\n
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\"\u52a0\u8f7d512\u89c4\u683c\u56fe\u7247\"<\/p>\n
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\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=4371<\/a><\/p>\n
\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
srcset<\/code>\u4e3a\u54cd\u5e94\u5f0f\u56fe\u7247\u5c5e\u6027\uff0c12\u5e74\u5c31\u51fa\u6765\u4e86\uff0c\u4e0d\u8fc7\u4eca\u5e744\u6708\u4efd\u8fd8\u662f5\u6708\u4efd\u7684\u51fa\u4e86\u65b0\u7684\u89c4\u8303\uff0c\u4e0e\u4e4b\u524d\u7684srcset<\/code>\u5b8c\u6210\u72ec\u7acb\u7684\u8868\u610f\uff0c\u540c\u65f6\u65b0\u589e\u4e86\u65b0\u7684\u5c5e\u6027sizes<\/code>, \u7528\u6765\u5b9e\u73b0\u66f4\u597d\u7684\u54cd\u5e94\u5f0f\u5e03\u5c40\uff0c\u540c\u65f6\u8d4b\u4e88\u4e86w<\/code>\u63cf\u8ff0\u7b26\u65b0\u7684\u542b\u4e49\u3002\u672c\u6587\u5c31\u662f\u4ecb\u7ecd\u8fd9\u4e9b\u5168\u65b0\u7684\u89c4\u8303\u542b\u4e49\uff0c\u8f83\u6df1\u5165\u3002\u4e30\u5bcc\u7684demo\u3001\u622a\u56fe\u4ee5\u53ca\u6e90\u4ee3\u7801\u5c55\u793a\uff0c\u76f8\u4fe1\u4f1a\u5bf9\u60a8\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\u7684\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1097],"tags":[950,949,951,680,640,75],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/4371"}],"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=4371"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/4371\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=4371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=4371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=4371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}