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\n\u684c\u9762\u7248Chrome\u53ef\u6253\u5f00WebP\u683c\u5f0f\u3002<\/p>\n

 <\/p>\n

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 <\/p>\n

 <\/p>\n

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\n\u6211\u4eec\u662f\u5982\u4f55\u7528\u4e0awebp\u7684\u3002<\/p>\n

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<\/div>
<\/div><\/div><\/div>\"webp1\"<\/figure><\/a>\n

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<\/div>
<\/div><\/div><\/div>\"webp2\"<\/figure><\/a>\n

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 <\/p>\n

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span{background-image:url(a.jpg)}<\/pre>\n
\u7684\u65f6\u5019\uff0c\u518d\u5199\u4e0a<\/p>\n
.webps span{background-image:url(a.jpg.webp)}<\/pre>\n
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\u8fd9\u6bb5\u4ee3\u7801\u5982\u4e0b\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u8fd9\u6bb5\u4ee3\u7801\u8981\u5728\u5f15\u5165css\u524d\u5c31\u52a0\u8f7d\uff0c\u4ee3\u7801\u7684\u542b\u4e49\u53ef\u4ee5\u76f4\u63a5\u770b\u6ce8\u91ca\u3002<\/p>\n
(function(doc) {\r\n\r\n\/\/ \u7ed9html\u6839\u8282\u70b9\u52a0\u4e0awebps\u7c7b\u540d\r\nfunction addRootTag() {\r\n  doc.documentElement.className += \" webps\";\r\n}\r\n\r\n\/\/ \u5224\u65ad\u662f\u5426\u6709webps=A\u8fd9\u4e2acookie\r\n if (!\/(^|;\\s?)webps=A\/.test(document.cookie)) {\r\n  var image = new Image();\r\n\r\n\/\/ \u56fe\u7247\u52a0\u8f7d\u5b8c\u6210\u65f6\u5019\u7684\u64cd\u4f5c\r\n  image.onload = function() {\r\n\r\n\/\/ \u56fe\u7247\u52a0\u8f7d\u6210\u529f\u4e14\u5bbd\u5ea6\u4e3a1\uff0c\u90a3\u4e48\u5c31\u4ee3\u8868\u652f\u6301webp\u4e86\uff0c\u56e0\u4e3a\u8fd9\u5f20base64\u56fe\u662fwebp\u683c\u5f0f\u3002\u5982\u679c\u4e0d\u652f\u6301\u4f1a\u89e6\u53d1image.error\u65b9\u6cd5\r\n  if (image.width == 1) {\r\n\r\n\/\/ html\u6839\u8282\u70b9\u6dfb\u52a0class\uff0c\u5e76\u4e14\u57cb\u5165cookie\r\n    addRootTag();\r\n    document.cookie = \"webps=A; max-age=31536000; domain=58.com\";\r\n   }\r\n };\r\n\r\n\/\/ \u4e00\u5f20\u652f\u6301alpha\u900f\u660e\u5ea6\u7684webp\u7684\u56fe\u7247\uff0c\u4f7f\u7528base64\u7f16\u7801\r\n    image.src = 'data:image\/webp;base64,UklGRkoAAABXRUJQVlA4WAoAAAAQAAAAAAAAAAAAQUxQSAwAAAARBxAR\/Q9ERP8DAABWUDggGAAAABQBAJ0BKgEAAQAAAP4AAA3AAP7mtQAAAA==';\r\n  } else {\r\n    addRootTag();\r\n  }\r\n}(document));<\/pre>\n
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\/*\r\n \u901a\u8fc7\u8fd9\u4e2a\u51fd\u6570\u6765\u5f15\u5165\u56fe\u7247\uff0c\u4f8b\u5982\uff1a\r\n #wrapper{ @include bg('..\/img\/sample.jpg') }\r\n \u8fd9\u6bb5\u4ee3\u7801\u7ecf\u8fc7\u7f16\u8bd1\u540e\u4fbf\u4f1a\u751f\u6210\u5982\u4e0b\u4e24\u53e5\u4ee3\u7801\r\n #wrapper{ background-image:url('..\/img\/sample.jpg'); }\r\n .webp #wrapper{ background-image:url('..\/img\/sample.jpg.webp'); }\r\n *\/\r\n@mixin bg($url) {\r\n background-image: url($url);\r\n @at-root(with: all) .webps & {\r\n background-image: url($url + '.webp');\r\n }\r\n}<\/pre>\n
\u5982\u679c\u7528\u7684\u662fless\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u6765\u5b9e\u73b0\u540c\u6837\u7684\u529f\u80fd\u3002<\/p>\n
.mixin(@url) {\r\n  background-image: url(@url);\r\n   .webps & {\r\n     background-image: url('@{url}.webp');\r\n   }\r\n}<\/pre>\n
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\u5982\u4f55\u505a\u5230\u5f00\u53d1\u7684\u65f6\u5019\u81ea\u52a8\u914d\u5957\u751f\u6210webp\u56fe\u7247\u5462\uff0c\u5f00\u59cb\u6211\u4eec\u60f3\u7684\u662f\u7ed9\u6211\u4eec\u7684\u6784\u5efa\u5de5\u5177\u5199\u4e2a\u63d2\u4ef6\u6765\u5b9e\u73b0\u7f16\u8bd1\u65f6\u5019\u751f\u6210webp\u56fe\u7247\uff0c\u7136\u800c\u6211\u4eec\u53d1\u73b0\u7531\u4e8e\u5404\u4e2a\u9879\u76ee\u4f7f\u7528\u7684\u6784\u5efa\u5de5\u5177\u53ef\u80fd\u4e0d\u4e00\u6837\uff0c\u6bd4\u5982fis3\u3001webpack\u8fd8\u6709\u6211\u4eec\u81ea\u5df1\u5f00\u53d1\u6784\u5efa\u5de5\u5177\u7684\uff0c\u592a\u591a\u4e86\uff0c\u9488\u5bf9\u6bcf\u4e00\u4e2a\u5f00\u53d1\u6210\u672c\u592a\u9ad8\u3002\u6240\u4ee5\u6211\u4eec\u51b3\u5b9a\u7528nodejs\u5199\u4e2a\u5c0f\u811a\u672c\uff0c\u4f5c\u7528\u5c31\u662f\u76d1\u63a7\u6211\u4eec\u7684\u56fe\u7247\u6587\u4ef6\u5939\uff0c\u968f\u65f6\u751f\u6210\u914d\u5957\u7684webp\u56fe\u7247\uff0c\u5f53\u56fe\u7247\u6709\u589e\u52a0\u3001\u4fee\u6539\u3001\u5220\u9664\u65f6\uff0c\u5b83\u4f1a\u76f8\u5e94\u7684\u589e\u52a0\u3001\u4fee\u6539\u3001\u5220\u9664\u5bf9\u5e94\u7684webp\u56fe\u7247\u3002<\/p>\n
\u5de5\u5177\u4ee3\u7801\u5982\u4e0b\u3002\u9ed8\u8ba4\u76d1\u542cimages\u6587\u4ef6\u5939\uff0cnpm install \u5b89\u88c5\u4f9d\u8d56\u4e4b\u540e\uff0c\u76f4\u63a5node webp-monitor.js\u65e2\u53ef\u3002\u5f53\u7136\uff0c\u524d\u63d0\u662f\u4f60\u6309\u7167\u597d\u4e86\u7b2c\u4e8c\u90e8\u5206\u6240\u8bf4\u7684\u8c37\u6b4c\u5b98\u65b9\u7684webp\u751f\u6210\u5de5\u5177\uff0c\u6216\u8005\u7b80\u5355\u7684\u8bf4\u4f60\u7684\u7ec8\u7aef\u9700\u8981\u6709cwebp\u8fd9\u4e2a\u547d\u4ee4\u624d\u884c\u3002<\/p>\n
\/*\r\n webp\u56fe\u7247\u751f\u6210\r\n \r\n \u8fd0\u884c\uff1anpm install && npm start\r\n \r\n \u7a0b\u5e8f\u4f9d\u8d56\u8c37\u6b4c\u5b98\u65b9webp\u8f6c\u6362\u5de5\u5177cwebp\r\n mac\u4e0b\u5b89\u88c5 brew install webp\r\n windows\u4e0b\u53ef\u4ee5\u53bbgoogle\u5b98\u65b9\u4e0b\u8f7d\r\n \r\n \u5b89\u88c5\u5b8c\u6210\u540e\u8fd0\u884ccwebp -h \u5982\u679c\u663e\u793a\u4e86\u4f7f\u7528\u5e2e\u52a9\u5219\u8868\u793a\u5b89\u88c5\u6210\u529f\r\n *\/\r\n \r\nconst process = require('child_process');\r\nconst fs = require('fs');\r\nconst chokidar = require('chokidar');\r\n \r\nconst log = console.log.bind(console);\r\nconst ignoreFiles = \/(^\\..+)|(.+[\\\/\\\\]\\..+)|(.+?\\.webp$)\/; \/\/ \u5ffd\u7565\u6587\u4ef6.\u5f00\u5934\u548c.webp\u7ed3\u5c3e\u7684\r\n \r\nlet quality = 75; \/\/ webp\u56fe\u7247\u8d28\u91cf\uff0c\u9ed8\u8ba475\r\nlet imgDir = 'images'; \/\/ \u9ed8\u8ba4\u56fe\u7247\u6587\u4ef6\u5939\r\n \r\n\/\/ \u5f97\u5230\u5bf9\u5e94\u7684webp\u683c\u5f0f\u7684\u6587\u4ef6\u540d\uff0c\u9ed8\u8ba4\u4e3a\u6587\u4ef6\u540d\u540e\u52a0\u4e0a.webp\r\nfunction getWebpImgName(path) {\r\n return `${path}.webp`;\r\n}\r\n \r\n\/\/ \u5f97\u5230shell\u547d\u4ee4\r\nfunction getShellCmd(path) {\r\n return `cwebp -q ${quality} ${path} -o ${getWebpImgName(path)}`;\r\n}\r\n \r\n\/\/ \u76d1\u63a7\u6587\u4ef6\u5939\r\nvar watcher = chokidar.watch(imgDir, {\r\n ignored: path => {\r\n return ignoreFiles.test(path);\r\n },\r\n persistent: true \/\/ \u4fdd\u6301\u76d1\u542c\u72b6\u6001\r\n});\r\n \r\n\/\/ \u76d1\u542c\u589e\u52a0\uff0c\u4fee\u6539\uff0c\u5220\u9664\u6587\u4ef6\u7684\u4e8b\u4ef6\r\nwatcher.on('all', (event, path) => {\r\n switch (event) {\r\n case 'add':\r\n case 'change':\r\n generateWebpImg(path, (status) => {\r\n log('\u751f\u6210\u56fe\u7247' + getWebpImgName(path) + status);\r\n });\r\n break;\r\n case 'unlink':\r\n deleteWebpImg(getWebpImgName(path), (status) => {\r\n log('\u5220\u9664\u56fe\u7247' + getWebpImgName(path) + status);\r\n });\r\n break;\r\n default:\r\n break;\r\n }\r\n});\r\n \r\nlog('biubiubiu~~~ \u76d1\u63a7\u5df2\u7ecf\u542f\u52a8');\r\n \r\nfunction generateWebpImg(path, cb) {\r\n process.exec(getShellCmd(path), err => {\r\n if (err !== null) {\r\n cb('\u5931\u8d25');\r\n log('\u8bf7\u5148\u8fd0\u884ccwebp -h\u547d\u4ee4\u68c0\u67e5cwebp\u662f\u5426\u5b89\u88c5ok\u3002')\r\n log(err);\r\n } else {\r\n cb('\u6210\u529f');\r\n }\r\n });\r\n}\r\n \r\nfunction deleteWebpImg(path, cb) {\r\n fs.unlink(path, (err) => {\r\n if (err) {\r\n cb('\u5931\u8d25');\r\n log(err)\r\n } else {\r\n cb('\u6210\u529f');\r\n };\r\n });\r\n}<\/pre>\n
\u81f3\u6b64\uff0c\u6211\u4eec\u4fbf\u5b9e\u73b0\u4e86\u5728\u9879\u76ee\u4e2d\u4f7f\u7528webp\u56fe\u7247\u3002\u6211\u4eec\u9996\u5148\u62ff\u4e86\u4e00\u4e2a\u6d3b\u52a8\u9875\u8bd5\u6c34\uff0c\u5e94\u8be5\u662f\u660e\u5929\u4f1a\u4e0a\u7ebf\uff0c\u4e0a\u7ebf\u540e\u6211\u628a\u5730\u5740\u8d34\u51fa\u6765\uff0chttp:\/\/m.zhuanzhuan.58.com\/Mzhuanzhuan\/zhuanzhuan\/zzactivity\/activity-xbl\/\u5927\u5bb6\u53ef\u4ee5\u770b\u770b\u6548\u679c\u5982\u4f55\uff0c\u7ecf\u6d4b\u8bd5\u56fe\u7247\u786e\u5b9e\u5c0f\u4e86\u5f88\u591a\u5462\u3002<\/p>\n
\u6587\u7ae0\u4e2d\u804a\u5230\u7684\u76f8\u5173\u4ee3\u7801\u90fd\u653e\u5230\u7684github\u4e0a\uff0c\u5730\u5740\u5982\u4e0bhttps:\/\/github.com\/huangjiaxing\/webp-monitor<\/p>\n
\u611f\u89c9\u662f\u4e00\u4e2a\u6bd4\u8f83\u6c11\u5de5\u7684webp\u5b9e\u8df5\u65b9\u6848\uff0c\u5bf9\u4e8e\u60f3\u4f7f\u7528webp\u4f46\u662f\u5374\u4e0d\u60f3\u548c\u8fd0\u7ef4\u90a3\u4e9b\u6253\u4ea4\u9053\u7684\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4e0b\u8fd9\u4e2a\u65b9\u6848\uff0c\u8fd8\u662f\u633a\u4e0d\u9519\u7684^ ^\u3002<\/p>\n
\u5fae\u4fe1\u94fe\u63a51<\/a><\/p>\n
http:\/\/www.cnblogs.com\/season-huang\/p\/5804884.html<\/a><\/p>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
WebP\u683c\u5f0f\uff0c\u8c37\u6b4c\uff08google\uff09\u5f00\u53d1\u7684\u4e00\u79cd\u65e8\u5728\u52a0\u5feb\u56fe\u7247\u52a0\u8f7d\u901f\u5ea6\u7684\u56fe\u7247\u683c\u5f0f\u3002\u56fe\u7247\u538b\u7f29\u4f53\u79ef\u5927\u7ea6\u53ea\u6709JPEG\u76842\/ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-5276","post","type-post","status-publish","format-standard","hentry","category-11"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/5276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5276"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/5276\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}