{"id":1972,"date":"2024-11-10T10:06:29","date_gmt":"2024-11-10T02:06:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1972\/"},"modified":"2024-11-10T10:06:29","modified_gmt":"2024-11-10T02:06:29","slug":"%e4%bd%bf%e7%94%a8-html2canvas-%e7%94%9f%e6%88%90-gif-%e4%b8%ba%e4%bb%80%e4%b9%88%e5%8f%aa%e5%8f%96%e6%9c%80%e5%90%8e%e4%b8%80%e5%b8%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1972\/","title":{"rendered":"\u4f7f\u7528 html2canvas \u751f\u6210 GIF \u4e3a\u4ec0\u4e48\u53ea\u53d6\u6700\u540e\u4e00\u5e27\uff1f"},"content":{"rendered":"

\"\u4f7f\u7528<\/p>\n

\u751f\u6210gif\u4e3a\u4f55\u53ea\u53d6\u6700\u540e\u4e00\u5e27\uff1f<\/strong><\/p>\n

\u5728\u4f7f\u7528html2canvas\u5e93\u6355\u83b7\u9875\u9762\u5143\u7d20\u4ee5\u751f\u6210gif\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u51fa\u73b0\u751f\u6210\u7684\u56fe\u7247\u4ec5\u5305\u542b\u6700\u540e\u4e00\u5e27\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u9488\u5bf9\u6b64\u95ee\u9898\u8fdb\u884c\u89e3\u6790\u3002<\/p>\n

html2canvas\u7684\u539f\u7406\u662f\u5c06\u7f51\u9875\u4e2d\u7684\u5143\u7d20\u6e32\u67d3\u6210\u4e00\u5f20\u56fe\u7247\u3002\u5f53\u9875\u9762\u4e2d\u5b58\u5728\u52a8\u6001\u5143\u7d20\u65f6\uff0c\u5982\u52a8\u753b\u3001\u8fc7\u6e21\u7b49\uff0c\u5728\u6e32\u67d3\u65f6html2canvas\u4f1a\u5c06\u5f53\u524d\u65f6\u523b\u7684\u753b\u9762\u622a\u56fe\u4e0b\u6765\u3002\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u5728\u6355\u83b7gif\u4e4b\u524d\u5bf9\u5143\u7d20\u8fdb\u884c\u4e86\u52a8\u6001\u64cd\u4f5c\uff0c\u90a3\u4e48html2canvas\u5c06\u53ea\u83b7\u53d6\u5230\u6700\u540e\u4e00\u5e27\u7684\u622a\u56fe\u3002<\/p>\n

\u8981\u89e3\u51b3\u8be5\u95ee\u9898\uff0c\u9700\u8981\u5728\u6355\u83b7gif\u4e4b\u524d\uff0c\u624b\u52a8\u66ff\u6362html2canvas\u4e2d\u7684\u56fe\u7247\u4e3a\u6309\u65f6\u95f4\u6362\u7b97\u51fa\u6765\u7684\u6bcf\u4e00\u5e27\u622a\u56fe\u3002\u8fd9\u9700\u8981\u60a8\u81ea\u5b9a\u4e49\u4e00\u4e2a\u622a\u56fe\u51fd\u6570\uff0c\u6839\u636e\u52a8\u753b\u65f6\u95f4\u548c\u5f53\u524d\u65f6\u95f4\u8ba1\u7b97\u51fa\u8981\u6e32\u67d3\u7684\u5e27\uff0c\u7136\u540e\u5c06\u8be5\u5e27\u7684\u622a\u56fe\u66ff\u6362\u5230html2canvas\u4e2d\u3002<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u81ea\u5b9a\u4e49\u622a\u56fe\u51fd\u6570\uff1a<\/p>\n

const captureFrame = async (timestamp) => {\n  \/\/ \u6839\u636e\u5f53\u524d\u65f6\u95f4\u548c\u52a8\u753b\u65f6\u95f4\u8ba1\u7b97\u8981\u6e32\u67d3\u7684\u5e27\n  const frame = calculateFrame(timestamp);\n  const canvas = await html2canvas(ele, {\n    \/\/ ... \u5176\u4ed6\u914d\u7f6e\n  });\n  \/\/ \u5c06\u6307\u5b9a\u5e27\u7684\u622a\u56fe\u66ff\u6362\u5230 canvas\n  canvas.getContext(\"2d\").drawImage(frame, 0, 0);\n  return canvas.toDataURL();\n};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528 html2canvas \u751f\u6210 GIF \u4e3a\u4ec0\u4e48\u53ea\u53d6\u6700\u540e\u4e00\u5e27\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u751f\u6210gif\u4e3a\u4f55\u53ea\u53d6\u6700\u540e\u4e00\u5e27\uff1f \u5728\u4f7f\u7528html2canvas\u5e93\u6355\u83b7\u9875\u9762\u5143\u7d20\u4ee5\u751f\u6210gif\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u51fa\u73b0\u751f\u6210\u7684\u56fe\u7247\u4ec5\u5305\u542b\u6700\u540e\u4e00\u5e27\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u9488\u5bf9\u6b64\u95ee\u9898\u8fdb\u884c\u89e3\u6790\u3002 html2canvas\u7684\u539f\u7406\u662f\u5c06\u7f51\u9875\u4e2d\u7684\u5143\u7d20\u6e32\u67d3\u6210\u4e00\u5f20\u56fe\u7247\u3002\u5f53\u9875\u9762\u4e2d\u5b58\u5728\u52a8\u6001\u5143\u7d20\u65f6\uff0c\u5982\u52a8\u753b\u3001\u8fc7\u6e21\u7b49\uff0c\u5728\u6e32\u67d3\u65f6html2canvas\u4f1a\u5c06\u5f53\u524d\u65f6\u523b\u7684\u753b\u9762\u622a\u56fe\u4e0b\u6765\u3002\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u5728\u6355\u83b7gif\u4e4b\u524d\u5bf9\u5143\u7d20\u8fdb\u884c\u4e86\u52a8\u6001\u64cd\u4f5c\uff0c\u90a3\u4e48html2canvas\u5c06\u53ea\u83b7\u53d6\u5230\u6700\u540e\u4e00\u5e27\u7684\u622a\u56fe\u3002 \u8981\u89e3\u51b3\u8be5\u95ee\u9898\uff0c\u9700\u8981\u5728\u6355\u83b7gif\u4e4b\u524d\uff0c\u624b\u52a8\u66ff\u6362html2canvas\u4e2d\u7684\u56fe\u7247\u4e3a\u6309\u65f6\u95f4\u6362\u7b97\u51fa\u6765\u7684\u6bcf\u4e00\u5e27\u622a\u56fe\u3002\u8fd9\u9700\u8981\u60a8\u81ea\u5b9a\u4e49\u4e00\u4e2a\u622a\u56fe\u51fd\u6570\uff0c\u6839\u636e\u52a8\u753b\u65f6\u95f4\u548c\u5f53\u524d\u65f6\u95f4\u8ba1\u7b97\u51fa\u8981\u6e32\u67d3\u7684\u5e27\uff0c\u7136\u540e\u5c06\u8be5\u5e27\u7684\u622a\u56fe\u66ff\u6362\u5230html2canvas\u4e2d\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u81ea\u5b9a\u4e49\u622a\u56fe\u51fd\u6570\uff1a const captureFrame = async (timestamp) => { \/\/ \u6839\u636e\u5f53\u524d\u65f6\u95f4\u548c\u52a8\u753b\u65f6\u95f4\u8ba1\u7b97\u8981\u6e32\u67d3\u7684\u5e27 const frame = calculateFrame(timestamp); const canvas = await html2canvas(ele, { \/\/ … \u5176\u4ed6\u914d\u7f6e }); \/\/ \u5c06\u6307\u5b9a\u5e27\u7684\u622a\u56fe\u66ff\u6362\u5230 canvas canvas.getContext(“2d”).drawImage(frame, 0, 0); return canvas.toDataURL(); }; \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528 html2canvas \u751f\u6210 GIF \u4e3a\u4ec0\u4e48\u53ea\u53d6\u6700\u540e\u4e00\u5e27\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1972","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=1972"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1972\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}