{"id":803,"date":"2022-12-20T13:02:03","date_gmt":"2022-12-20T05:02:03","guid":{"rendered":"https:\/\/vmlogin.us\/help\/zh\/?p=803"},"modified":"2023-01-31T14:20:38","modified_gmt":"2023-01-31T06:20:38","slug":"devicepixelratio%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.vmlogin.us\/help\/zh\/fingerprint\/devicepixelratio.html","title":{"rendered":"DevicePixelRatio\u4ecb\u7ecd"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">window.devicePixelRatio\u662f\u8bbe\u5907\u7269\u7406\u50cf\u7d20\u548c\u8bbe\u5907\u72ec\u7acb\u50cf\u7d20\uff08device-independent pixels\uff0cdips\uff09\u4e4b\u95f4\u7684\u6bd4\u7387\u3002window.devicePixelRatio = \u7269\u7406\u50cf\u7d20\/ \u8bbe\u5907\u72ec\u7acb\u50cf\u7d20\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size\">\u5982\u679cDevicePixelRatio\u4e0d\u9009\u62e91.0\uff0c\u5982\u90092.0,\u90a3\u4e48\u6d4f\u89c8\u5668\u68c0\u6d4b\u51fa\u6765\u7684\u5206\u8fa8\u7387\u5c31\u662f\u5f53\u524d\u9009\u62e9\u7684\u5206\u8fa8\u7387\u957f\u548c\u5bbd\u5404 * 2.0 \uff0c\u5f97\u51fa\u53cc\u500d\u7ed3\u679c\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size\">\u76f8\u5173\u8bbe\u7f6e\u7ed3\u679c\u53ef\u4ee5\u5728<strong><a href=\"https:\/\/johankj.github.io\/devicePixelRatio\/\" data-type=\"URL\" data-id=\"https:\/\/johankj.github.io\/devicePixelRatio\/\" target=\"_blank\" rel=\"noreferrer noopener\">johankj.github\u7f51\u7ad9<\/a><\/strong>\u4e2d\u67e5\u770b\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size\">\u4ee5IPhone X\u4e3a\u4f8b\uff0c\u5206\u8fa8\u7387*&nbsp;DevicePixelRatio= \u8bbe\u5907\u7684\u771f\u5b9e\u5206\u8fa8\u7387\uff1a\uff08375*3.0\uff09 x (812*3.0)= 1125 x 2436\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong><a href=\"https:\/\/www.vmlogin.us\/zh\/\" data-type=\"URL\" data-id=\"https:\/\/www.vmlogin.us\/zh\/\" target=\"_blank\" rel=\"noreferrer noopener\">VMLogin<\/a><\/strong>\u6d4f\u89c8\u5668\u4f1a\u6839\u636e\u7528\u6237\u9009\u62e9\u7684\u64cd\u4f5c\u7cfb\u7edf\u968f\u673a\u5339\u914d\u5bf9\u5e94\u7684\u201c\u5206\u8fa8\u7387\u201d\u548c\u201cDevicePixelRatio\u201d\uff0c\u7535\u8111\u7aef\u7684\u201c\u5206\u8fa8\u7387\u201d\u7528\u6237\u53ef\u968f\u610f\u6839\u636e\u81ea\u5df1\u9700\u6c42\u8bbe\u7f6e\uff0c\u201cDevicePixelRatio\u201d\u90fd\u4e3a1.0\uff0c \u624b\u673a\u7aef\u6700\u597d\u6309\u7167\u968f\u673a\u51fa\u7684\u9ed8\u8ba4\u201c\u5206\u8fa8\u7387\u201d\u548c\u201cDevicePixelRatio\u201d\u503c\u8bbe\u7f6e\u3002<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"992\" height=\"692\" src=\"https:\/\/www.vmlogin.us\/help\/zh\/wp-content\/uploads\/2023\/01\/vmus_3-1.png\" alt=\"\" class=\"wp-image-1774\" srcset=\"https:\/\/www.vmlogin.us\/help\/zh\/wp-content\/uploads\/2023\/01\/vmus_3-1.png 992w, https:\/\/www.vmlogin.us\/help\/zh\/wp-content\/uploads\/2023\/01\/vmus_3-1-300x209.png 300w, https:\/\/www.vmlogin.us\/help\/zh\/wp-content\/uploads\/2023\/01\/vmus_3-1-768x536.png 768w\" sizes=\"auto, (max-width: 992px) 100vw, 992px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>window.devicePixelRatio\u662f\u8bbe\u5907\u7269\u7406\u50cf\u7d20\u548c\u8bbe\u5907\u72ec\u7acb\u50cf\u7d20\uff08device-independen [&hellip;]<\/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-803","post","type-post","status-publish","format-standard","hentry","category-fingerprint"],"_links":{"self":[{"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/posts\/803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/comments?post=803"}],"version-history":[{"count":4,"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/posts\/803\/revisions"}],"predecessor-version":[{"id":1775,"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/posts\/803\/revisions\/1775"}],"wp:attachment":[{"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/media?parent=803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/categories?post=803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vmlogin.us\/help\/zh\/wp-json\/wp\/v2\/tags?post=803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}