{"id":4982,"date":"2025-03-28T10:27:59","date_gmt":"2025-03-28T02:27:59","guid":{"rendered":"https:\/\/support.foxitsoftware.cn\/?p=4982"},"modified":"2025-03-31T11:03:09","modified_gmt":"2025-03-31T03:03:09","slug":"%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e6%96%87%e4%bb%b6%e4%b8%ad%e6%89%80%e6%9c%89%e5%af%b9%e8%b1%a1%e7%9a%84%e7%b1%bb%e5%9e%8b%e5%92%8c%e6%95%b0%e9%87%8f","status":"publish","type":"post","link":"https:\/\/support.fuxinsoft.cn\/?p=4982","title":{"rendered":"\u5982\u4f55\u7edf\u8ba1PDF\u9875\u9762\u4e2d\u6240\u6709\u56fe\u5f62\u5bf9\u8c61\u7684\u7c7b\u578b\u53ca\u6570\u91cf\uff1f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var pdfViewer = await pdfui.getPDFViewer();\nvar pdfDoc = await pdfViewer.getCurrentPDFDoc();\nvar pdfPage = await pdfDoc.getPageByIndex(0);\nvar sum = await pdfPage.getGraphicsObjectsCount();\nconsole.log(\"sum:\"+sum);\nfor (let i = 0; i &lt; sum; i++) {\n    var object = await pdfPage.getGraphicsObjectByIndex(i);\n    console.log(object.getType());\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u529f\u80fd\u6269\u5c55\u5efa\u8bae<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u9700\u8fdb\u4e00\u6b65\u7edf\u8ba1\u6bcf\u79cd\u7c7b\u578b\u7684\u6570\u91cf\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u8ba1\u6570\u5668\u5bf9\u8c61\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const typeCount = {};\nfor (let i = 0; i &lt; sum; i++) {\n    var object = await pdfPage.getGraphicsObjectByIndex(i);\n    const type = object.getType();\n    typeCount&#91;type] = (typeCount&#91;type] || 0) + 1;\n}\nconsole.log(\"\u5404\u7c7b\u578b\u7edf\u8ba1:\", typeCount);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u8f93\u51fa\u6bcf\u79cd\u56fe\u5f62\u7c7b\u578b\u7684\u51fa\u73b0\u6b21\u6570\uff0c\u4fbf\u4e8e\u5206\u6790PDF\u9875\u9762\u7684\u7ec4\u6210\u7ed3\u6784\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a \u529f\u80fd\u6269\u5c55\u5efa\u8bae \u5982\u9700\u8fdb\u4e00\u6b65\u7edf\u8ba1\u6bcf\u79cd\u7c7b\u578b\u7684\u6570\u91cf\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u8ba1\u6570\u5668\u5bf9\u8c61\uff1a \u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u8f93\u51fa [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[304,457,449,450],"class_list":["post-4982","post","type-post","status-publish","format-standard","hentry","category-websdk","tag-path","tag-457","tag-449","tag-450"],"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\/4982","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\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4982"}],"version-history":[{"count":4,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/4982\/revisions"}],"predecessor-version":[{"id":5374,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/4982\/revisions\/5374"}],"wp:attachment":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}