{"id":26254,"date":"2024-11-24T11:45:51","date_gmt":"2024-11-24T03:45:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26254\/"},"modified":"2024-11-24T11:45:51","modified_gmt":"2024-11-24T03:45:51","slug":"%e4%bd%bf%e7%94%a8html2canvas%e5%af%bc%e5%87%bapdf%e6%97%b6%e9%81%87%e5%88%b0%e6%97%a0%e6%b3%95%e5%9c%a8%e5%85%8b%e9%9a%86%e7%9a%84iframe%e4%b8%ad%e6%89%be%e5%88%b0%e5%85%83%e7%b4%a0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26254\/","title":{"rendered":"\u4f7f\u7528HTML2canvas\u5bfc\u51faPDF\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u5143\u7d20\u201d\u9519\u8bef\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173086853820398.jpg\" class=\"aligncenter\" title=\"\u4f7f\u7528HTML2canvas\u5bfc\u51faPDF\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u5143\u7d20\u201d\u9519\u8bef\u600e\u4e48\u529e\uff1f\u63d2\u56fe\" alt=\"\u4f7f\u7528HTML2canvas\u5bfc\u51faPDF\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u5143\u7d20\u201d\u9519\u8bef\u600e\u4e48\u529e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528html2canvas\u5bfc\u51fa\u4e3apdf\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u5143\u7d20\u201d\u7684\u9519\u8bef<\/strong><\/p>\n<p>\u4f60\u6b63\u5728\u4f7f\u7528HTML2canvas\u548cjsPDF\u5c06\u9875\u9762\u5bfc\u51fa\u4e3aPDF\uff0c\u5374\u9047\u5230\u4e86\u5982\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>Uncaught (in promise) Unable to find element in cloned iframe<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e2a\u9519\u8bef\u901a\u5e38\u662f\u7531\u4e8eHTML2canvas\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u8981\u6e32\u67d3\u7684\u5143\u7d20\u9020\u6210\u7684\u3002\u4ee5\u4e0b\u53ef\u80fd\u662f\u5bfc\u81f4\u8be5\u95ee\u9898\u7684\u539f\u56e0\uff1a<\/p>\n<p>\u4f60\u7684HTML\u7ed3\u6784\u4e2d\u4f7f\u7528\u4e86iframe\uff0c\u800cHTML2canvas\u65e0\u6cd5\u5728iframe\u5185\u90e8\u6e32\u67d3\u5143\u7d20\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4ed4\u7ec6\u68c0\u67e5\u4f60\u7684HTML\u4ee3\u7801\uff0c\u786e\u4fdd\u8981\u5bfc\u51fa\u7684\u5143\u7d20\u4f4d\u4e8eiframe\u4e4b\u5916\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff0c\u4f60\u5c1d\u8bd5\u4f7f\u7528 document.createdElement \u521b\u5efa\u4e00\u4e2a\u65b0\u7684 div \u5143\u7d20\u3002\u7136\u800c\uff0ccreatedElement \u5e76\u4e0d\u662f\u4e00\u4e2a\u6709\u6548\u7684 JavaScript \u65b9\u6cd5\u3002<\/p>\n<p>\u6b63\u786e\u7684\u8bed\u6cd5\u5e94\u8be5\u662f\uff1a<\/p>\n<pre>let div = document.createElement('div');<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528HTML2canvas\u5bfc\u51faPDF\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u5143\u7d20\u201d\u9519\u8bef\u600e\u4e48\u529e\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":"<p>\u4f7f\u7528html2canvas\u5bfc\u51fa\u4e3apdf\u65f6\u9047\u5230\u201c\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u5143\u7d20\u201d\u7684\u9519\u8bef \u4f60\u6b63\u5728\u4f7f\u7528HTML2canvas\u548cjsPDF\u5c06\u9875\u9762\u5bfc\u51fa\u4e3aPDF\uff0c\u5374\u9047\u5230\u4e86\u5982\u4e0b\u9519\u8bef\uff1a Uncaught (in promise) Unable to find element in cloned iframe \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e2a\u9519\u8bef\u901a\u5e38\u662f\u7531\u4e8eHTML2canvas\u65e0\u6cd5\u5728\u514b\u9686\u7684iframe\u4e2d\u627e\u5230\u8981\u6e32\u67d3\u7684\u5143\u7d20\u9020\u6210\u7684\u3002\u4ee5\u4e0b\u53ef\u80fd\u662f\u5bfc\u81f4\u8be5\u95ee\u9898\u7684\u539f\u56e0\uff1a \u4f60\u7684HTML\u7ed3\u6784\u4e2d\u4f7f\u7528\u4e86iframe\uff0c\u800cHTML2canvas\u65e0\u6cd5\u5728iframe\u5185\u90e8\u6e32\u67d3\u5143\u7d20\u3002 \u89e3\u51b3\u65b9\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4ed4\u7ec6\u68c0\u67e5\u4f60\u7684HTML\u4ee3\u7801\uff0c\u786e\u4fdd\u8981\u5bfc\u51fa\u7684\u5143\u7d20\u4f4d\u4e8eiframe\u4e4b\u5916\u3002 \u7b2c\u4e00\u6b65\uff0c\u4f60\u5c1d\u8bd5\u4f7f\u7528 document.createdElement \u521b\u5efa\u4e00\u4e2a\u65b0\u7684 div \u5143\u7d20\u3002\u7136\u800c\uff0ccreatedElement \u5e76\u4e0d\u662f\u4e00\u4e2a\u6709\u6548\u7684 JavaScript \u65b9\u6cd5\u3002 \u6b63\u786e\u7684\u8bed\u6cd5\u5e94\u8be5\u662f\uff1a let div = document.createElement(&#8216;div&#8217;); 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