{"id":5144,"date":"2025-04-26T17:35:41","date_gmt":"2025-04-26T09:35:41","guid":{"rendered":"https:\/\/support.fuxinsoft.cn\/?p=5144"},"modified":"2025-06-03T13:40:46","modified_gmt":"2025-06-03T05:40:46","slug":"%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e5%bd%93%e5%89%8d%e8%a7%86%e5%9b%be%e5%8c%ba%e5%9f%9f%e7%9a%84%e6%88%aa%e5%9b%be%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/support.fuxinsoft.cn\/?p=5144","title":{"rendered":"\u5982\u4f55\u83b7\u53d6\u5f53\u524d\u89c6\u56fe\u533a\u57df\u7684\u622a\u56fe\uff1f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>PDFViewer<\/strong>\u7c7b\u4e0b\u63d0\u4f9b\u4e86\u4e00\u4e2a <strong>takeSnapshot <\/strong>\u7684\u63a5\u53e3\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u751f\u6210\u9875\u9762\u4e0a\u6307\u5b9a\u533a\u57df\u7684\u56fe\u7247\u3002\u8be5\u63a5\u53e3\u7684\u8f93\u5165\u662f\u76ee\u6807\u9875\u9762\u7684\u7d22\u5f15\u503c\u3001\u6307\u5b9a\u533a\u57df\uff08\u77e9\u5f62\u533a\u57df\uff09\u5de6\u4e0a\u89d2\u7684\u9876\u70b9\u5750\u6807\uff08\u5728\u8bbe\u5907\u5750\u6807\u7cfb\u4e0b\uff09\uff0c\u4ee5\u53ca\u8981\u622a\u56fe\u533a\u57df\u7684\u5bbd\u548c\u9ad8\u3002\u8f93\u51fa\u662f\u6307\u5b9a\u533a\u57df\u7684\u56fe\u7247\u5bf9\u8c61 \u2014\u2014 <strong>Promise&lt;Blob&gt;<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PDFDocRender<\/strong>\u7c7b\u4e0b\u63d0\u4f9b\u4e86\u4e00\u4e2a <strong>getBoundingClientRects <\/strong>\u7684\u63a5\u53e3\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u5f53\u524d\u89c6\u56fe\u533a\u57df\u7684\u8bbe\u5907\u5750\u6807\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u60f3\u8981\u83b7\u53d6\u5f53\u524d\u89c6\u56fe\u533a\u57df\u7684\u622a\u56fe\uff0c\u9700\u8981\u5206\u522b\u83b7\u53d6\u5230\u5f53\u524d\u89c6\u56fe\u533a\u57df\u7684\u9875\u9762\u7d22\u5f15\uff0c\u4ee5\u53ca\u8bbe\u5907\u5750\u6807\u7cfb\u4e0b\u7684\u533a\u57df\u5750\u6807\u4fe1\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u83b7\u53d6\u5f53\u524d\u6587\u6863\u7684\u6e32\u67d3\u5bf9\u8c61\nvar docRender = await pdfui.getPDFDocRender();\n\n\/\/\u83b7\u53d6\u5f53\u524d\u89c6\u56fe\u4e2d\u5fc3\u70b9\u4f4d\u7f6e\u7684\u9875\u9762\u9875\u7801\u4fe1\u606f,\u4e5f\u53ef\u4ee5\u4f7f\u7528docRender.getCurrentPageIndex()\nvar curPageIndex = docRender.currentPageNumber; \nconsole.log(curPageIndex);\n\n\/\/\u83b7\u53d6\u53ef\u89c1\u533a\u57df\u7684\u6240\u6709\u9875\u9762\u77e9\u5f62\u533a\u57df\u4fe1\u606f\uff08\u8bbe\u5907\u5750\u6807\uff09\nlet viewerAreaInfos = await docRender.getBoundingClientRects();\n\n\/\/\u5f53\u524d\u53ef\u89c6\u533a\u57df\u5185\u53ef\u80fd\u542b\u6709\u591a\u4e2a\u9875\u9762\u7684\u5185\u5bb9\uff0c\u8fd9\u91cc\u53ea\u622a\u53d6\u89c6\u56fe\u4e2d\u5fc3\u70b9\u6240\u5728\u9875\u9762\u7684\u53ef\u89c1\u533a\u57df\uff0c\u6240\u4ee5\u8981\u5bf9viewerAreaInfos\u8fdb\u884c\u8fc7\u6ee4\n\nlet viewerAreaInfo = viewerAreaInfos.find((item) =&gt; item.index === curPageIndex);\n\nawait pdfui.takeSnapshot(viewerAreaInfo.index, viewerAreaInfo.left, viewerAreaInfo.top, viewerAreaInfo.width, viewerAreaInfo.height).then(blob =&gt; {\n    console.log(blob);\n    const url = URL.createObjectURL(blob);\n    console.log(url);\n    let link = document.createElement('a');\n    link.style.display = 'none';\n    link.href = url;\n    link.setAttribute('download', \"test\");\n    document.body.appendChild(link);\n    link.click();\n    URL.revokeObjectURL(link.href); \/\/ \u91ca\u653eURL \u5bf9\u8c61\n    document.body.removeChild(link);\n});\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5907\u6ce8\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PDFUI\u7c7b\u662f\u4ecePDFViewer\u7c7b\u7ee7\u627f\u7684\uff0c\u4f46\u8fd9\u662f\u4e00\u4e2a\u7279\u4f8b\u3002\u8fd9\u79cd\u7ee7\u627f\u5173\u7cfb\u4e0d\u662f\u4e00\u822c\u7684\u7ee7\u627f\u3002PDFUI\u53ea\u7ee7\u627f\u4e86\u65b9\u6cd5\u58f0\u660e\uff0c\u5b9e\u9645\u4e0a\u59d4\u6258\u4e86PDFViewer\u5b9e\u4f8b\u3002\u56e0\u6b64\u60a8\u4e0d\u80fd\u901a\u8fc7PDFUI\u5b9e\u4f8b\u76f4\u63a5\u8bbf\u95eePDFViewer\u5c5e\u6027\u6216\u63a5\u53e3\u3002\u7531\u4e8e\u5185\u90e8\u5b9e\u73b0\u673a\u5236\uff0cPDFViewer\u4e0a\u7684\u65b9\u6cd5\u5728PDFUI\u5b9e\u4f8b\u4e0a\u88ab\u5f02\u6b65\u8c03\u7528\uff0c\u8fd4\u56de\u503c\u5c06\u662fPromise\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PDFViewer\u7c7b\u4e0b\u63d0\u4f9b\u4e86\u4e00\u4e2a takeSnapshot \u7684\u63a5\u53e3\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u751f\u6210\u9875\u9762\u4e0a\u6307\u5b9a\u533a\u57df\u7684\u56fe\u7247\u3002\u8be5\u63a5\u53e3 [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[643,641,642],"class_list":["post-5144","post","type-post","status-publish","format-standard","hentry","category-websdk","tag-snapshot","tag-641","tag-642"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","_links":{"self":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/5144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5144"}],"version-history":[{"count":8,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/5144\/revisions"}],"predecessor-version":[{"id":5155,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/5144\/revisions\/5155"}],"wp:attachment":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}