{"id":49294,"date":"2024-12-02T15:41:44","date_gmt":"2024-12-02T07:41:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/49294\/"},"modified":"2024-12-02T15:41:44","modified_gmt":"2024-12-02T07:41:44","slug":"web-%e5%9b%be%e5%83%8f%ef%bc%9a%e5%ae%8c%e7%be%8e%ef%bc%88%e8%87%aa%e5%8a%a8%ef%bc%89%e8%b0%83%e6%95%b4%e5%a4%a7%e5%b0%8f%e5%92%8c%e8%bd%ac%e6%8d%a2-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/49294\/","title":{"rendered":"Web \u56fe\u50cf\uff1a\u5b8c\u7f8e\uff08\u81ea\u52a8\uff09\u8c03\u6574\u5927\u5c0f\u548c\u8f6c\u6362"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Web \u56fe\u50cf\uff1a\u5b8c\u7f8e\uff08\u81ea\u52a8\uff09\u8c03\u6574\u5927\u5c0f\u548c\u8f6c\u6362<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aWeb \u56fe\u50cf\uff1a\u5b8c\u7f8e\uff08\u81ea\u52a8\uff09\u8c03\u6574\u5927\u5c0f\u548c\u8f6c\u6362\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241126\/173260427467457172b54de.jpg\" class=\"aligncenter\" title=\"Web \u56fe\u50cf\uff1a\u5b8c\u7f8e\uff08\u81ea\u52a8\uff09\u8c03\u6574\u5927\u5c0f\u548c\u8f6c\u6362\u63d2\u56fe\" alt=\"Web \u56fe\u50cf\uff1a\u5b8c\u7f8e\uff08\u81ea\u52a8\uff09\u8c03\u6574\u5927\u5c0f\u548c\u8f6c\u6362\u63d2\u56fe\" \/><\/p>\n<p>\u51e0\u4e4e\u6bcf\u4e2a\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u90fd\u77e5\u9053\uff0c\u6211\u4eec\u9700\u8981\u5728\u4e0d\u5f71\u54cd\u8d28\u91cf\u7684\u60c5\u51b5\u4e0b\u5411\u7528\u6237\u63d0\u4f9b\u5c3d\u53ef\u80fd\u5c0f\u7684\u56fe\u50cf\u3002\u6211\u4eec\u90fd\u77e5\u9053\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002\u4f46\u8fd9\u662f\u4e00\u4ef6\u6ca1\u4eba\u559c\u6b22\u505a\u7684\u82e6\u5dee\u4e8b\u3002\u540c\u6837\u4ece\u5546\u4e1a\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u9700\u8981\u65f6\u95f4\uff0c\u800c\u65f6\u95f4\u5c31\u662f\u91d1\u94b1\u3002\u6240\u4ee5\uff0c\u201c\u8db3\u591f\u597d\u201d\u5c31\u591f\u4e86\u3002<\/p>\n<p>\u8ba9\u6211\u5206\u4eab\u4e00\u4e0b\u6211\u4eec\u5982\u4f55\u6539\u8fdb\u548c\u81ea\u52a8\u5316\u5b8c\u7f8e\u56fe\u50cf\u4ea4\u4ed8\uff0c\u800c\u4e0d\u4f1a\u7ed9\u5f00\u53d1\u4eba\u5458\u5e26\u6765\u66f4\u591a\u5de5\u4f5c\u3002<\/p>\n<h2> \u901a\u5e38\u662f\u5982\u4f55\u5b8c\u6210\u7684 <\/h2>\n<p>\u4e5f\u8bb8\u4e0d\u662f\u4f60\uff0c\u4f46\u6709\u5f88\u591a\u4eba\u2014\u2014\u53ef\u80fd\u662f\u6211\u4eec\u5927\u591a\u6570\u4eba\u3002<\/p>\n<p>\u60a8\u4ee5 2 \u500d\u9884\u671f\u5c3a\u5bf8\u5bfc\u51fa png \u56fe\u7247\uff0c\u4ee5\u6ee1\u8db3\u9ad8\u5bc6\u5ea6\u5c4f\u5e55\u7684\u9700\u6c42\uff0c\u5e76\u5c06\u5176\u7528\u4e8e &lt;img&gt; 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\u5143\u7d20\u53ef\u4ee5\u52a0\u8f7d\u56fe\u50cf<strong>\u57fa\u4e8e\u7ed9\u5b9a\u5c4f\u5e55\u7684\u50cf\u7d20\u5bc6\u5ea6<\/strong>\u3002\u8fd9\u662f\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u5f88\u96be\u505a\u5230\u7684\u4e8b\u60c5\uff0c\u5e76\u4e14\u7531\u4e8e\u591a\u79cd\u539f\u56e0\uff0c\u901a\u8fc7 javascript \u8c03\u6574 src \u662f\u4e0d\u53ef\u80fd\u7684\u3002<\/p>\n<p>\u6709\u4e86\u8fd9\u4e2a\uff0c\u6211\u4eec\u5c31\u62e5\u6709\u4e86\u6240\u9700\u7684\u4e00\u5207\uff1a<\/p>\n<ul>\n<li> <strong>\u670d\u52a1\u5668\u53ef\u4ee5\u63d0\u4f9b\u7684\u683c\u5f0f<\/strong>\u3002<\/li>\n<li> <strong>\u524d\u7aef\u5f00\u53d1\u8005\u8bf7\u6c42\u7684\u56fe\u7247\u5c3a\u5bf8<\/strong>\u3002<\/li>\n<li> <strong>\u663e\u793a\u5c4f\u7684\u50cf\u7d20\u5bc6\u5ea6<\/strong>\u3002<\/li>\n<\/ul>\n<h3> \u8fc7\u7a0b <\/h3>\n<p>\u4ee5\u4e0b\u662f\u6211\u4eec\u5982\u4f55\u81ea\u52a8\u5316\u56fe\u50cf\u4f18\u5316\u8fc7\u7a0b\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u63a5\u53d7\u4efb\u4f55\u56fe\u7247\u4e0a\u4f20<\/strong><\/p>\n<p>\u6211\u4eec\u8ba9\u5f00\u53d1\u8005\u548c\u7ba1\u7406\u5458\u4e0a\u4f20\u5e76\u4fdd\u5b58\u4ed6\u4eec\u60f3\u8981\u7684\u4efb\u4f55\u56fe\u7247\uff08\u5f53\u7136\u5f00\u53d1\u8005\u9700\u8981\u66f4\u52a0\u5c0f\u5fc3\uff09\u3002\u6211\u4eec\u7684\u7cfb\u7edf\u53ef\u4ee5\u5904\u7406\u4efb\u4f55\u4e8b\u60c5 &#8211; \u751a\u81f3\u662f\u76f4\u63a5\u6765\u81ea dslr \u76f8\u673a\u7684 250 mb jpeg\uff0c\u6211\u4eec\u6210\u529f\u5730\u5bf9\u5176\u8fdb\u884c\u4e86\u8f6c\u6362\u548c\u8c03\u6574\u5927\u5c0f\uff0c\u7136\u540e\u5f53\u6211\u4eec\u770b\u5230\u65e5\u5fd7\u65f6\u653e\u58f0\u5927\u7b11\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52a8\u8f6c\u6362\u548c\u538b\u7f29<\/strong><\/p>\n<\/li>\n<\/ol>\n<p>\u4e0a\u4f20\u56fe\u7247\u540e\uff0c\u6211\u4eec\u7684\u7cfb\u7edf\u4f1a\u81ea\u52a8\uff1a<\/p>\n<ul>\n<li>\u5c06\u5176\u8f6c\u6362\u4e3a\u591a\u79cd\u683c\u5f0f\uff1a<strong>png<\/strong>\u3001<strong>webp<\/strong> \u548c <strong>avif<\/strong>\u3002<\/li>\n<li>\u4f7f\u7528 <strong>90% \u8d28\u91cf<\/strong> \u8bbe\u7f6e\u538b\u7f29\u6bcf\u4e2a\u7248\u672c\u3002<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u662f90%\uff1f\u56e0\u4e3a\u6700\u540e 10% \u7684\u8d28\u91cf\u5f80\u5f80\u4f1a\u5bfc\u81f4\u6536\u76ca\u5927\u5e45\u9012\u51cf\u3002\u60a8\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u5b58\u50a8\u7a7a\u95f4\u548c\u5e26\u5bbd\uff0c\u800c\u4e14\u89c6\u89c9\u8d28\u91cf\u6ca1\u6709\u4efb\u4f55\u660e\u663e\u5dee\u5f02\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u751f\u6210\u591a\u4e2a\u5206\u8fa8\u7387<\/strong><\/p>\n<p>\u5bf9\u4e8e\u6bcf\u4e2a\u56fe\u50cf\uff0c\u6211\u4eec\u6839\u636e\u50cf\u7d20\u5bc6\u5ea6\u4e58\u6570\u751f\u6210\u591a\u4e2a\u5c3a\u5bf8\uff1a<\/p>\n<\/li>\n<\/ol>\n<ul>\n<li><strong>1\u00d7<\/strong><\/li>\n<li><strong>1.5\u00d7<\/strong><\/li>\n<li><strong>2\u00d7<\/strong><\/li>\n<li>\n<p><strong>3\u00d7<\/strong><\/p>\n<p>\u8fd9\u53ef\u786e\u4fdd\u5177\u6709\u9ad8\u5206\u8fa8\u7387\u5c4f\u5e55\u7684\u8bbe\u5907\u83b7\u5f97\u6e05\u6670\u7684\u56fe\u50cf\uff0c\u800c\u5176\u4ed6\u8bbe\u5907\u5219\u63a5\u6536\u9002\u5f53\u5927\u5c0f\u7684\u56fe\u50cf\u3002<\/p>\n<p>\u4e3a\u4e86\u9762\u5411\u672a\u6765\uff0c\u6211\u4eec\u53ea\u9700\u6dfb\u52a0\u6216\u66f4\u6539\u6570\u5b57\uff0c\u4e00\u5207\u90fd\u4f1a\u81ea\u52a8\u5904\u7406\uff08\u6211\u4eec\u8fd8\u6ca1\u6709\u5236\u4f5c vr \/ ar \u5185\u5bb9\uff0c\u4f46\u6211\u6000\u7591\u8fd9\u5c31\u662f\u5b83\u4f1a\u6d3e\u4e0a\u7528\u573a\u7684\u6280\u672f\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<ol>\n<li>\n<p><strong>\u52a8\u6001\u56fe\u50cf\u670d\u52a1<\/strong><\/p>\n<p>\u5728\u6211\u4eec\u7684 html \u6a21\u677f\u4e2d\uff0c\u6211\u4eec\u6307\u5b9a\u6240\u9700\u7684\u56fe\u50cf\u5c3a\u5bf8\uff08\u5bbd\u5ea6\u6216\u9ad8\u5ea6\uff09\u3002\u7136\u540e\u6211\u4eec\u7684\u670d\u52a1\u5668\u7aef\u4ee3\u7801\uff1a<\/p>\n<\/li>\n<\/ol>\n<ul>\n<li>\u68c0\u67e5\u4f18\u5316\u56fe\u50cf\u662f\u5426\u5b58\u5728\u3002<\/li>\n<li>\u5982\u679c\u6ca1\u6709\uff0c\u8bf7\u5c06\u5b83\u4eec\u6392\u961f\u7b49\u5f85\u5904\u7406\u3002<\/li>\n<li>\n<p>\u4f7f\u7528\u50cf\u7d20\u5bc6\u5ea6\u7684 srcset \u751f\u6210\u9002\u5f53\u7684 &lt;picture&gt; \u5143\u7d20\u3002<\/p>\n<p>\u6d4f\u89c8\u5668\u4f1a\u6839\u636e\u8bbe\u5907\u7684\u529f\u80fd\u81ea\u52a8\u9009\u62e9\u6700\u4f73\u56fe\u50cf\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>&lt;picture&gt;\n  &lt;source srcset=\"\/upload\/2024\/03\/11\/tn-w200-frantisek.webp 1x,\n                   \/upload\/2024\/03\/11\/tn-w300-frantisek.webp 1.5x,\n                   \/upload\/2024\/03\/11\/tn-w400-frantisek.webp 2x,\n                   \/upload\/2024\/03\/11\/tn-w600-frantisek.webp 3x\"&gt;\n  &lt;img src=\"\/upload\/2024\/03\/11\/frantisek.jpg\" width=\"2222\" height=\"2963\" loading=\"lazy\" alt=\"video poster\"&gt;\n&lt;\/picture&gt;\n<\/pre>\n<h3> \u5904\u7406\u5927\u56fe\u50cf <\/h3>\n<p>\u5982\u679c\u6211\u4eec\u4f5c\u4e3a\u5f00\u53d1\u4eba\u5458\u907f\u514d\u5b8c\u7f8e\u5730\u8c03\u6574\u56fe\u7247\u5927\u5c0f\u548c\u8f6c\u6362\u56fe\u7247\uff0c\u6211\u4eec\u5c31\u4e0d\u80fd\u6307\u671b\u666e\u901a\u7ba1\u7406\u5458\u6216\u5ba2\u6237\u80fd\u591f\u505a\u5230\u8fd9\u4e00\u70b9\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u8ba9\u4eba\u4eec\u4e0a\u4f20\u4ed6\u4eec\u60f3\u8981\u7684\u5185\u5bb9\uff0c\u7136\u540e\u6211\u4eec\u5bf9\u5176\u8fdb\u884c\u5904\u7406\uff08\u826f\u597d\u7684\u7528\u6237\u4f53\u9a8c\u548c\u5ba2\u6237\u5173\u7cfb\uff09\u3002<\/p>\n<p>\u6700\u521d\uff0c\u6211\u4eec\u6ca1\u60f3\u5230\u8c03\u6574\u5927\u5c0f\u4f1a\u5982\u6b64\u9891\u7e41\uff0c\u56e0\u6b64\u6211\u4eec\u51e0\u6b21\u5b8c\u5168\u7ec8\u6b62\u4e86\u6f14\u793a\u670d\u52a1\u5668\u3002\u6240\u4ee5\u6211\u4eec\u5f00\u53d1\u4e86\u8fd9\u79cd\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u6211\u4eec\u5728\u4e13\u7528\u4e8e\u56fe\u50cf\u5904\u7406\u7684\u72ec\u7acb\u4f4e\u7aef vps \u4e0a\u6784\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684 api \u670d\u52a1\u3002<\/li>\n<li>\u6211\u4eec\u7684\u5236\u4f5c\u670d\u52a1\u5668\u5c06\u56fe\u50cf\u548c\u6240\u9700\u7684\u683c\u5f0f\/\u5c3a\u5bf8\u53d1\u9001\u5230\u6b64\u670d\u52a1\u3002<\/li>\n<li>\u5904\u7406\u540e\u7684\u56fe\u50cf\u88ab\u8fd4\u56de\u5e76\u5b58\u50a8\u4ee5\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ul>\n<h3> \u7ed3\u679c <\/h3>\n<ul>\n<li> <strong>\u7528\u6237\u5f88\u9ad8\u5174<\/strong>\uff1a\u56fe\u50cf\u52a0\u8f7d\u901f\u5ea6\u5feb\uff0c\u5e76\u4e14\u5728\u4efb\u4f55\u8bbe\u5907\u4e0a\u770b\u8d77\u6765\u90fd\u5f88\u68d2\u3002<\/li>\n<li> <strong>\u7ba1\u7406\u5458\u5f88\u9ad8\u5174<\/strong>\uff1a\u4ed6\u4eec\u4e0d\u5fc5\u62c5\u5fc3\u5728\u4e0a\u4f20\u4e4b\u524d\u8c03\u6574\u56fe\u50cf\u5927\u5c0f\u6216\u4f18\u5316\u56fe\u50cf\u3002<\/li>\n<li> <strong>\u5f00\u53d1\u4eba\u5458\u5f88\u9ad8\u5174<\/strong>\uff1a\u8be5\u8fc7\u7a0b\u662f\u81ea\u52a8\u5316\u7684\uff0c\u4e0d\u9700\u8981\u989d\u5916\u7684\u5de5\u4f5c\u3002<\/li>\n<li> <strong>\u670d\u52a1\u5668\u5f88\u9ad8\u5174<\/strong>\uff1a\u51cf\u5c11\u4e86\u670d\u52a1\u56fe\u7247\u7684\u5e26\u5bbd\u6d88\u8017\u548c cpu \u8d1f\u8f7d\u3002<\/li>\n<\/ul>\n<p>\u6211\u77e5\u9053\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u516c\u5171\u5546\u4e1a\u670d\u52a1\u6765\u8c03\u6574\u56fe\u7247\u5927\u5c0f\uff0c\u4f46\u8bf4\u5b9e\u8bdd\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e0b\u5348\u7684\u5de5\u4f5c\uff08<strong>\u610f\u601d &#8211; \u66f4\u4fbf\u5b9c<\/strong>\uff09\uff0c\u6211\u4eec\u5df2\u7ecf\u63a7\u5236\u4e86\u6240\u6709\u65b9\u9762\u3002<\/p>\n<h3> \u6211\u4eec\u662f\u5426\u5c06\u5176\u5546\u4e1a\u5316\u53d1\u5e03\uff1f <\/h3>\n<p>\u6211\u4eec\u5bf9\u6b64\u89e3\u51b3\u65b9\u6848\u975e\u5e38\u6ee1\u610f\uff0c\u56e0\u6b64\u6211\u4eec\u6b63\u5728\u8003\u8651\u5b8c\u5584\u6b64\u8c03\u6574\u5927\u5c0f\u548c\u8f6c\u6362\u670d\u52a1\u5e76\u4f7f\u5176\u53ef\u4f9b\u60a8\u4f7f\u7528\u3002\u8fd9\u6837\u7684\u670d\u52a1\u6709\u5174\u8da3\u5417\uff1f\u8ba9\u6211\u77e5\u9053\u3002\u4e5f\u8bb8\u6211\u4eec\u53ef\u4ee5\u524a\u51cf\u5f88\u591a\u3002<\/p>\n<p><em>\u5bf9\u4e8e\u5f00\u53d1\u8005\uff0c\u7531\u5f00\u53d1\u8005 &#8211;<\/em> \u5728\u8fd9\u4e00\u70b9\u4e0a\u53ef\u80fd\u662f\u4e00\u4e2a\u6a21\u56e0\uff0c\u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u662f\u6b8b\u9177\u7684\u4e8b\u5b9e\u3002<\/p>\n<h2> \u4ee3\u7801\uff08\u7b80\u5316\uff09 <\/h2>\n<p>\u6211\u65e0\u6cd5\u5206\u4eab\u8c03\u6574\u5927\u5c0f\u7684\u65b9\u9762\uff0c\u4f46\u6211\u53ef\u4ee5\u5411\u60a8\u5c55\u793a\u9009\u62e9\u548c &lt;picture&gt; \u521b\u5efa\u3002\u6211\u4eec\u4f7f\u7528 php \u5de5\u4f5c\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002<\/p>\n<h3> \u751f\u6210 &lt;picture&gt; \u5143\u7d20 <\/h3>\n<pre>function generatepictureelement($imagepath, $width = null, $height = null, $alt = '') {\n    $multipliers = [1, 1.5, 2, 2.5, 3];\n    $srcset = [];\n    foreach ($multipliers as $multiplier) {\n        $resizedwidth = $width ? intval($width * $multiplier) : null;\n        $resizedheight = $height ? intval($height * $multiplier) : null;\n        $resizedimagepath = getresizedimagepath($imagepath, $resizedwidth, $resizedheight);\n        if ($resizedimagepath) {\n            $srcset[] = $resizedimagepath . ' ' . $multiplier . 'x';\n        }\n    }\n\n    $srcsetattribute = implode(', ', $srcset);\n    $originalimagepath = getoriginalimagepath($imagepath);\n\n    return \"\n    &lt;picture&gt;\n        &lt;source srcset=\\\"$srcsetattribute\\\"&gt;\n        &lt;img src=\\\"$originalimagepath\\\" alt=\\\"$alt\\\" loading=\\\"lazy\\\"&gt;\n    &lt;\/picture&gt;\n    \";\n}\nfunction getresizedimagepath($imagepath, $width = null, $height = null) {\n    $formats = ['avif', 'webp', 'jpg', 'png', 'gif'];\n\n    \/\/ determine the directory and filename\n    $pathinfo = pathinfo($imagepath);\n    $dir = $pathinfo['dirname'];\n    $filename = $pathinfo['filename'];\n    $ext = $pathinfo['extension'];\n\n    \/\/ decide which formats to check based on browser support\n    if (supportsavif()) {\n        $preferredformats = ['avif', 'webp', 'jpg', 'png', 'gif'];\n    } elseif (supportswebp()) {\n        $preferredformats = ['webp', 'jpg', 'png', 'gif'];\n    } else {\n        $preferredformats = ['jpg', 'png', 'gif'];\n    }\n\n    \/\/ loop through preferred formats to find the smallest suitable image\n    foreach ($preferredformats as $format) {\n        $resizedimagename = \"{$filename}-w{$width}-h{$height}.{$format}\";\n        $resizedimagepath = \"{$dir}\/{$resizedimagename}\";\n\n        if (file_exists($resizedimagepath)) {\n            \/\/ resized image exists, return its path\n            return $resizedimagepath;\n        }\n    }\n\n    \/\/ resized image doesn't exist, queue it for processing\n    queueimageforprocessing($imagepath, $width, $height, $preferredformats);\n\n    \/\/ return original image path as a fallback\n    return $imagepath;\n}\nfunction supportswebp() {\n    return isset($_server['http_accept']) &amp;&amp; strpos($_server['http_accept'], 'image\/webp') !== false;\n}\n\nfunction supportsavif() {\n    return isset($_server['http_accept']) &amp;&amp; strpos($_server['http_accept'], 'image\/avif') !== false;\n}\n<\/pre>\n<p>\u6211\u4eec\u4f7f\u7528\u81ea\u5b9a\u4e49\u6a21\u677f\u7cfb\u7edf\uff0c\u5176\u4e2d html \u4e0e php \u6df7\u5408\uff08\u6211\u77e5\u9053\u8fd9\u5e76\u4e0d\u5e38\u89c1\uff0c\u4f46\u5b83\u6700\u9002\u5408\u6211\u4eec\u7684\u9700\u6c42\uff09\u3002<\/p>\n<pre>&lt;div class=\"Image\"&gt;\n    &lt;?php echo generatePictureElement('\/path\/to\/image.png', 500, alt: 'Image alt description'); ?&gt;\n&lt;\/div&gt;\n<\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c55\u793a\u4e86\u4e00\u4e2a\u903b\u8f91\u3002\u6211\u4eec\u5b9e\u9645\u4e0a\u505a\u7684\u662f\u6211\u4eec\u6709\u4e00\u4e2a\u6587\u4ef6\u53ca\u5176\u53d8\u4f53\u7684\u6570\u636e\u5e93\uff0c\u56e0\u6b64\u6211\u4eec\u4f7f\u7528\u6570\u7ec4\u548c\u5bf9\u8c61\u800c\u4e0d\u662f\u8def\u5f84\u3002\u4f46\u662f\uff0c\u6b63\u5982\u6211\u6240\u8bf4\uff0c\u8fd9\u5b8c\u7f8e\u5730\u5c55\u793a\u4e86\u6211\u4eec\u6240\u505a\u5de5\u4f5c\u7684\u903b\u8f91\u3002<\/p>\n<p>\u6b63\u5982\u4f60\u6240\u770b\u5230\u7684\uff0c\u5982\u679c\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u7f16\u5199\u4e86\u8fd9\u6bb5\u4ee3\u7801\u6216 &lt;img&gt; 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