{"id":468,"date":"2019-05-03T15:36:56","date_gmt":"2019-05-03T07:36:56","guid":{"rendered":"https:\/\/wp.winter-weng.cc\/work\/?p=468"},"modified":"2019-05-03T15:36:56","modified_gmt":"2019-05-03T07:36:56","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e7%9a%84%e4%b8%80%e4%ba%9b%e4%ba%8b","status":"publish","type":"post","link":"https:\/\/wp.winter-weng.cc\/work\/?p=468","title":{"rendered":"[\u5fae\u4fe1\u5c0f\u7a0b\u5e8f] \u7684\u4e00\u4e9b\u4e8b"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u986f\u793a\/\u96b1\u85cf\u5167\u5bb9\u76ee\u9304\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#%E6%A8%A3%E5%BC%8F\" >\u6a23\u5f0f<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#%E4%BD%BF%E7%94%A8_rpx_%E5%96%AE%E4%BD%8D%EF%BC%88responsive_pixel%EF%BC%89\" >\u4f7f\u7528 rpx \u55ae\u4f4d\uff08responsive pixel\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#iPhone_%E7%9A%84%E7%80%8F%E6%B5%B7%E5%92%8C%E5%BA%95%E9%83%A8%E5%AE%89%E5%85%A8%E5%8D%80%E5%9F%9F\" >iPhone \u7684\u700f\u6d77\u548c\u5e95\u90e8\u5b89\u5168\u5340\u57df<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#%E7%B5%84%E4%BB%B6%E9%99%90%E5%88%B6\" >\u7d44\u4ef6\u9650\u5236<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#%E4%BB%A5%E5%A4%96%E5%9C%96%E7%89%87%E9%A0%88%E6%8E%A1_base64_%E6%88%96%E7%B6%B2%E8%B7%AF%E8%B3%87%E6%BA%90\" >&lt;image&gt; \u4ee5\u5916\u5716\u7247\u9808\u63a1 base64 \u6216\u7db2\u8def\u8cc7\u6e90<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#%E7%B5%84%E4%BB%B6%E4%BD%BF%E7%94%A8_flex_%E6%A8%A3%E5%BC%8F%E7%84%A1%E6%95%88\" >&lt;scroll-view&gt; \u7d44\u4ef6\u4f7f\u7528 flex \u6a23\u5f0f\u7121\u6548<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#%E4%B8%AD%E7%84%A1%E6%B3%95%E4%BD%BF%E7%94%A8_%E7%B5%84%E4%BB%B6\" >&lt;swiper&gt; \u4e2d\u7121\u6cd5\u4f7f\u7528 &lt;video&gt; \u7d44\u4ef6<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#%E9%96%8B%E6%94%BE%E8%B3%87%E6%96%99\" >\u958b\u653e\u8cc7\u6599<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#openid_%E7%84%A1%E6%B3%95%E7%9B%B4%E6%8E%A5%E5%8F%96%E5%BE%97\" >openid \u7121\u6cd5\u76f4\u63a5\u53d6\u5f97<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#API\" >API<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#wxrequest\" >wx.request()<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=468\/#wxswitchTab\" >wx.switchTab()<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>\u6700\u8fd1\u6070\u597d\u6709\u6a5f\u6703\u7814\u7a76\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\uff0c\u7c21\u55ae\u8a18\u9304\u4e00\u4e0b\u9047\u5230\u7684\u9ede\u9ede\u6ef4\u6ef4\uff5e<\/p>\n\n\n<p>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7b97\u662f\u5728\u5fae\u4fe1\u88e1\u7684\u8ff7\u4f60 App\uff0c\u6709\u81ea\u5df1\u7684\u4e00\u5957\u958b\u767c\u5de5\u5177\uff0c\u67b6\u69cb\u548c\u8a9e\u8a00\u8207\u50b3\u7d71 HTML + CSS + JS \u5341\u5206\u985e\u4f3c\uff0c\u4f46\u6709\u4e9b\u6a19\u7c64\u548c\u7279\u6027\u8981\u4f7f\u7528\u5fae\u4fe1\u6240\u63d0\u4f9b\u7684 API\u3002\u8981\u767c\u4f48 App \u5fc5\u9808\u8981\u8a3b\u518a\uff0c\u6d77\u5916\u53ea\u80fd\u4ee5\u4f01\u696d\u540d\u7fa9\u8a3b\u518a\uff0c\u4e26\u4e14\u9700\u8981\u4ed8 300 \u4eba\u6c11\u5e63\u8a8d\u8b49\u3002App \u6253\u5305\u9650\u5236\u70ba 2M\uff0c\u56e0\u6b64\u5716\u7247\u548c\u8cc7\u6e90\u6703\u5efa\u8b70\u4ee5\u4f3a\u670d\u5668\u63d0\u4f9b\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A8%A3%E5%BC%8F\"><\/span>\u6a23\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BD%BF%E7%94%A8_rpx_%E5%96%AE%E4%BD%8D%EF%BC%88responsive_pixel%EF%BC%89\"><\/span>\u4f7f\u7528 rpx \u55ae\u4f4d\uff08responsive pixel\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u53ef\u4ee5\u6839\u64da\u5c4f\u5e55\u5bec\u5ea6\u9032\u884c\u81ea\u9069\u61c9\u3002\u898f\u5b9a\u5c4f\u5e55\u5bec\u70ba750rpx\u3002\u5982\u5728 iPhone6 \u4e0a\uff0c\u5c4f\u5e55\u5bec\u5ea6\u70ba375px\uff0c\u5171\u6709750\u500b\u7269\u7406\u50cf\u7d20\uff0c\u5247750rpx = 375px = 750\u7269\u7406\u50cf\u7d20\uff0c1rpx = 0.5px = 1\u7269\u7406\u50cf\u7d20\u3002<\/p>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"iPhone_%E7%9A%84%E7%80%8F%E6%B5%B7%E5%92%8C%E5%BA%95%E9%83%A8%E5%AE%89%E5%85%A8%E5%8D%80%E5%9F%9F\"><\/span>iPhone \u7684\u700f\u6d77\u548c\u5e95\u90e8\u5b89\u5168\u5340\u57df<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u4e00\u958b\u59cb\u6211\u4f7f\u7528 <code>wx.getSystemInfo<\/code> \u53d6\u5f97\u88dd\u7f6e\u5f8c\u507d\u88dd\u7f6e\u4f5c\u7279\u5316\uff0c\u4f46\u60f3\u60f3\u89ba\u5f97\u9019\u6a23\u592a\u50bb\uff0c\u6700\u5f8c\u67e5\u5230\u53ef\u4ee5\u4f7f\u7528 CSS \u7684\u5c6c\u6027 <code>env(safe-area-inset-bottom)<\/code> \u3002\u95dc\u65bc env() \u6216 constant() \u53ef\u4ee5\u53c3\u8003\u9019\u7bc7\uff1a<a rel=\"noreferrer noopener\" aria-label=\"\u7f51\u9875\u9002\u914d iPhoneX\uff0c\u5c31\u662f\u8fd9\u4e48\u7b80\u5355 (\u5728\u65b0\u5206\u9801\u4e2d\u958b\u555f)\" href=\"https:\/\/aotu.io\/notes\/2017\/11\/27\/iphonex\/index.html\" target=\"_blank\">\u7f51\u9875\u9002\u914d iPhoneX\uff0c\u5c31\u662f\u8fd9\u4e48\u7b80\u5355<\/a>\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%B5%84%E4%BB%B6%E9%99%90%E5%88%B6\"><\/span>\u7d44\u4ef6\u9650\u5236<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BB%A5%E5%A4%96%E5%9C%96%E7%89%87%E9%A0%88%E6%8E%A1_base64_%E6%88%96%E7%B6%B2%E8%B7%AF%E8%B3%87%E6%BA%90\"><\/span>&lt;image&gt; \u4ee5\u5916\u5716\u7247\u9808\u63a1 base64 \u6216\u7db2\u8def\u8cc7\u6e90<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u82e5\u662f\u8981\u5728 &lt;image&gt; \u6a19\u7c64\u4ee5\u5916\u5730\u65b9\u4f7f\u7528\u5716\u7247\uff0c\u5982\u80cc\u666f\u5716\uff0c\u7121\u6cd5\u900f\u904e CSS \u5f15\u5165\u672c\u5730\u5716\u7247\uff08\u6a21\u64ec\u5668\u770b\u4f3c\u53ef\u4ee5\uff0c\u4f46\u5176\u5be6\u662f\u500b\u5e7b\u89ba\uff09\uff0c\u53ea\u80fd\u63a1\u7528 base64 \u6216\u4f3a\u670d\u5668\u8cc7\u6e90\u5f15\u5165\u3002<\/p>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%B5%84%E4%BB%B6%E4%BD%BF%E7%94%A8_flex_%E6%A8%A3%E5%BC%8F%E7%84%A1%E6%95%88\"><\/span>&lt;scroll-view&gt; \u7d44\u4ef6\u4f7f\u7528 flex \u6a23\u5f0f\u7121\u6548<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u88fd\u4f5c\u6e05\u55ae\u3001\u5361\u7247\u7b49\u9805\u76ee\u6642\u7d93\u5e38\u6703\u4f7f\u7528 &lt;scroll-view&gt; \u5305\u88f9\u9805\u76ee\uff0c\u4f46\u537b\u767c\u73fe flexbox \u7684 CSS \u4e0d\u6703\u8d77\u4f5c\u7528\u3002\u6700\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u5f0f\u662f\u5728 &lt;scroll-view&gt; \u4e0b\u518d\u984d\u5916\u5305\u88f9\u4e00\u5c64 &lt;view&gt;\uff0c\u7531\u5176\u4f86\u5b8c\u6210 flexbox \u6392\u7248\u3002<\/p>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%B8%AD%E7%84%A1%E6%B3%95%E4%BD%BF%E7%94%A8_%E7%B5%84%E4%BB%B6\"><\/span>&lt;swiper&gt; \u4e2d\u7121\u6cd5\u4f7f\u7528 &lt;video&gt; \u7d44\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>&lt;video&gt; \u5c64\u7d1a\u8f03\u9ad8\uff0c\u53c3\u7167\u5b98\u65b9\u6587\u6a94\u300c\u539f\u751f\u7ec4\u4ef6\u7684\u5c42\u7ea7\u662f<strong>\u6700\u9ad8<\/strong>\u7684\uff0c\u6240\u4ee5\u9875\u9762\u4e2d\u7684\u5176\u4ed6\u7ec4\u4ef6\u65e0\u8bba\u8bbe\u7f6e&nbsp;<code>z-index<\/code>&nbsp;\u4e3a\u591a\u5c11\uff0c\u90fd\u65e0\u6cd5\u76d6\u5728\u539f\u751f\u7ec4\u4ef6\u4e0a\u3002\u300d\u53ef\u4ee5\u900f\u904e\u9ede\u64ca\u5f8c\u958b\u555f dialog \u64ad\u653e\u5f71\u7247\u7684\u65b9\u5f0f\u4f5c\u70ba workaround\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%96%8B%E6%94%BE%E8%B3%87%E6%96%99\"><\/span>\u958b\u653e\u8cc7\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"openid_%E7%84%A1%E6%B3%95%E7%9B%B4%E6%8E%A5%E5%8F%96%E5%BE%97\"><\/span>openid \u7121\u6cd5\u76f4\u63a5\u53d6\u5f97<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u70ba\u907f\u514d\u5c0f\u7a0b\u5e8f\u76f4\u63a5\u96b1\u542b App \u5bc6\u9470\uff0c\u5c0f\u7a0b\u5e8f\u547c\u53eb <code>wx.login<\/code> \u5f8c\uff0c\u53ea\u80fd\u53d6\u5f97 code\uff0c\u5fc5\u9808\u7528\u6b64 code \u548c App \u76f8\u95dc\u8cc7\u8a0a\u53e6\u5916\u5f9e\u5fae\u4fe1 API \u53d6\u5f97 openid \u505a\u4f7f\u7528\u3002\u5f8c\u7aef\u900f\u904e API \u6703\u53d6\u5f97 openid\u3001session key \u7b49\u654f\u611f\u8cc7\u6599\u3002<\/p>\n\n\n<p>openid \u662f\u8a72\u7528\u6236\u5728\u5c0f\u7a0b\u5e8f\u4e2d\u7684\u8eab\u4efd\u8b58\u5225\uff0c\u800c session key \u662f\u7528\u4f86\u9a57\u8b49\u5f8c\u7e8c\u53d6\u5f97\u7684\u8cc7\u6599\u5b8c\u6574\u6027\u3002\u53ef\u4ee5\u7528 raw data + session key \u7522\u51fa\u7c3d\u540d\uff0c\u6bd4\u5c0d\u7c3d\u540d\u9a57\u8b49\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"API\"><\/span>API<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"wxrequest\"><\/span>wx.request()<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p><a href=\"https:\/\/developers.weixin.qq.com\/miniprogram\/dev\/api\/network\/request\/wx.request.html\">https:\/\/developers.weixin.qq.com\/miniprogram\/dev\/api\/network\/request\/wx.request.html<\/a><\/p>\n\n\n<p>\u985e\u4f3c <code>fetch<\/code> \u6216 <code>$.ajax<\/code> \u7684\u65b9\u6cd5\uff0c\u5e36\u6709 <code>success<\/code>\u3001<code>fail<\/code>\u3001<code>complete<\/code>  callback\u3002\u9700\u6ce8\u610f\u7684\u662f\uff0c\u53ea\u8981\u5f9e\u4f3a\u670d\u5668\u7aef\u53d6\u5f97\u56de\u61c9\uff0c\u90fd\u6703\u9032\u5230 success \u4e4b\u4e2d\uff0c\u56e0\u6b64\u8981\u8a18\u5f97\u5224\u65b7 <code>statusCode<\/code>\u3002<\/p>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"wxswitchTab\"><\/span>wx.switchTab()<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u7576\u5982\u679c\u5c0e\u5411\u7684\u9801\u9762\u662f tabBar \u5176\u4e2d\u4e00\u54e1\uff0c\u8981\u4f7f\u7528 <code>switchTab()<\/code>\uff0c<code>navigateTo() <\/code>\u4e0d\u4f5c\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u6070\u597d\u6709\u6a5f\u6703\u7814\u7a76\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\uff0c\u7c21\u55ae\u8a18\u9304\u4e00\u4e0b\u9047\u5230\u7684\u9ede&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-468","post","type-post","status-publish","format-standard","hentry","category-10"],"_links":{"self":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=468"}],"version-history":[{"count":0,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/468\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}